Annotations: 6CYT

HIV-1 TAR loop in complex with Tat:AFF4:P-TEFb

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Protein kinase-like (PK-like)	8039362	3000066	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cyclin-like	8039367	3000768	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cyclin-like	8039364	3000768	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ubiquitin	e6cytA1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin	ECOD (v295)
D	ubiquitin	e6cytD1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin	ECOD (v295)
C	ubiquitin	e6cytC1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin	ECOD (v295)
B	ubiquitin	e6cytB1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ubiquitin	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
A	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
B	1.10.472.10	Mainly Alpha	Orthogonal Bundle	Cyclin A	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00069	Protein kinase domain (Pkinase)	Protein kinase domain		Domain
D	PF00539	Transactivating regulatory protein (Tat) (Tat)	Transactivating regulatory protein (Tat)	-	Family
B	PF00134	Cyclin, N-terminal domain (Cyclin_N)	Cyclin, N-terminal domain	Cyclins regulate cyclin dependent kinases (CDKs). Swiss:P22674 is a Uracil-DNA glycosylase that is related to other cyclins [4]. Cyclins contain two domains of similar all-alpha fold, of which this family corresponds with the N-terminal domain.	Domain
B	PF21797	Cyclin-T2-like, C-terminal domain (CycT2-like_C)	Cyclin-T2-like, C-terminal domain	This domain is found at the C-terminal end of human Cyclin-T2 (CycT2) and similar animal sequences. CycT2 is the regulatory subunit of the cyclin-dependent kinase pair (CDK9/cyclin T) complex, also called positive transcription elongation factor B (P ...	This domain is found at the C-terminal end of human Cyclin-T2 (CycT2) and similar animal sequences. CycT2 is the regulatory subunit of the cyclin-dependent kinase pair (CDK9/cyclin T) complex, also called positive transcription elongation factor B (P-TEFB). This domain adopts s cyclin box fold consisting of five helices and a short C-terminal helix [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cyclin-dependent kinase 9	kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding chromatin binding protein serine/threonine kinase activity histone H1-4S187 kinase activity catalytic activity, acting on a protein protein kinase activity phosphotransferase activity, alcohol group as acceptor histone H1 kinase activity histone modifying activity histone kinase activity RNA binding snRNA binding 7SK snRNA binding protein serine kinase activity adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cyclin-dependent protein serine/threonine kinase activity cyclin-dependent protein kinase activity protein binding kinase binding enzyme binding protein kinase binding transcription factor binding transcription coregulator binding transcription coactivator binding transcription regulator activity transcription elongation factor activity RNA polymerase II CTD heptapeptide repeat modifying activity RNA polymerase II CTD heptapeptide repeat kinase activity	DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA replication metabolic process cellular process macromolecule metabolic process replication fork processing regulation of cellular process RNA metabolic process mRNA processing DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA replication metabolic process cellular process macromolecule metabolic process replication fork processing regulation of cellular process RNA metabolic process mRNA processing regulation of primary metabolic process RNA biosynthetic process nucleic acid biosynthetic process regulation of RNA metabolic process RNA 3'-end processing regulation of nucleobase-containing compound metabolic process RNA processing regulation of mRNA processing regulation of biological process mRNA 3'-end processing regulation of mRNA 3'-end processing biological regulation regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process biosynthetic process regulation of mRNA metabolic process regulation of metabolic process DNA-templated transcription transcription by RNA polymerase II cell population proliferation developmental process regulation of developmental process cellular developmental process regulation of cell differentiation muscle cell differentiation muscle structure development regulation of muscle cell differentiation cell differentiation anatomical structure development animal gross anatomical part developmental process regulation of localization protein localization to chromatin regulation of protein localization negative regulation of biological process negative regulation of protein localization to chromatin localization protein localization to chromosome macromolecule localization protein localization to organelle intracellular protein localization regulation of protein localization to chromatin negative regulation of protein localization organelle localization nucleus localization DNA-templated transcription initiation transcription initiation at RNA polymerase II promoter protein phosphorylation phosphorylation macromolecule modification phosphate-containing compound metabolic process protein metabolic process protein modification process cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair transcription elongation by RNA polymerase II transcription elongation-coupled chromatin remodeling cellular component organization DNA-templated transcription elongation chromatin organization chromatin remodeling cellular component organization or biogenesis host-mediated activation of viral transcription biological process involved in interspecies interaction between organisms host-mediated perturbation of viral transcription host-mediated perturbation of viral process modulation of process of another organism host-mediated activation of viral process host-mediated perturbation of symbiont process positive regulation of biological process positive regulation of protein localization positive regulation of protein localization to chromatin positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription cell cycle regulation of cell cycle regulation of cellular response to stress regulation of response to stress regulation of DNA repair regulation of response to stimulus regulation of DNA metabolic process response to peptide response to chemical response to cytokine cellular response to cytokine stimulus	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular organelle lumen intracellular organelle nucleoplasm cyclin/CDK positive transcription elongation factor complex intracellular membrane-bounded organelle organelle lumen carboxy-terminal domain protein kinase complex organelle nuclear cyclin-dependent protein kinase holoenzyme complex nuclear lumen cytoplasm P-TEFb complex intracellular membraneless organelle nuclear body membraneless organelle PML body
D	Protein Tat	protein binding binding protein domain specific binding transcription regulator activity RNA-binding transcription regulator activity enzyme regulator activity phosphatase inhibitor activity molecular function inhibitor activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity protein phosphatase inhibitor activity enzyme inhibitor activity protein serine/threonine phosphatase inhibitor activity protein binding binding protein domain specific binding transcription regulator activity RNA-binding transcription regulator activity enzyme regulator activity phosphatase inhibitor activity molecular function inhibitor activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity protein phosphatase inhibitor activity enzyme inhibitor activity protein serine/threonine phosphatase inhibitor activity molecular function activator activity transcription regulator activator activity cyclin binding cytoskeletal protein binding actinin binding RNA binding trans-activation response element binding nucleic acid binding pre-miRNA binding transcription factor binding transcription coregulator binding transcription coactivator binding histone acetyltransferase binding enzyme binding molecular sequestering activity RNA polymerase binding RNA polymerase core enzyme binding cation binding ion binding metal ion binding small molecule binding protein-containing complex binding chromatin binding nucleosome binding	symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host translation initiation symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host chromatin organization RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host translation initiation symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host chromatin organization RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process symbiont-mediated perturbation of host defense response symbiont-mediated suppression of host immune response symbiont-mediated perturbation of host immune response symbiont-mediated suppression of host antigen processing and presentation symbiont-mediated suppression of host adaptive immune response response to stimulus response to other organism symbiont-mediated response to host defenses response to external stimulus response to biotic stimulus response to host immune response symbiont-mediated evasion of host immune response response to host response to external biotic stimulus host-mediated activation of viral transcription host-mediated perturbation of viral transcription host-mediated perturbation of viral process host-mediated activation of viral process host-mediated perturbation of symbiont process transcription elongation by RNA polymerase II regulation of cellular process positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II positive regulation of biological process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of DNA-templated transcription elongation regulation of biological process regulation of transcription elongation by RNA polymerase II biological regulation regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process regulation of gene expression DNA-templated transcription elongation positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host innate immune response symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated suppression of host type I interferon-mediated signaling pathway symbiont-mediated perturbation of host signal transduction pathway viral gene expression regulation of viral process regulation of viral transcription positive regulation of viral process viral process viral transcription positive regulation of viral transcription	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell nucleus other organism part host cell nucleolus host cell nuclear part host intracellular organelle cellular anatomical structure host cell part host intracellular region host cell cytoplasm extracellular region
E [auth N]	RNA (5'-R(PAPUPCPUPGPAPGPCPCPUPGPGPGPAPGPCP*U)-3')	-	-	-
C	AF4/FMR2 family member 4	transcription regulator activity transcription coregulator activity	RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process DNA-templated transcription elongation biosynthetic process metabolic process cellular process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process DNA-templated transcription elongation biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of cellular process regulation of primary metabolic process regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation regulation of macromolecule metabolic process regulation of gene expression regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process multicellular organismal process system process nervous system process	membrane-bounded organelle protein-containing complex intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex super elongation complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure nucleoplasm organelle lumen membrane-bounded organelle protein-containing complex intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex super elongation complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen intracellular membraneless organelle nucleolus fibrillar center membraneless organelle euchromatin chromatin chromosome nuclear body
B	Cyclin-T1	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding chromatin binding molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity RNA polymerase binding protein binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding chromatin binding molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity RNA polymerase binding protein binding enzyme binding RNA binding snRNA binding 7SK snRNA binding cyclin-dependent protein serine/threonine kinase activator activity enzyme regulator activity protein serine/threonine kinase activator activity molecular function activator activity cyclin-dependent protein kinase regulator activity protein kinase regulator activity kinase activator activity enzyme activator activity cyclin-dependent protein serine/threonine kinase regulator activity molecular function regulator activity protein kinase activator activity kinase regulator activity kinase binding protein kinase binding transcription factor binding DNA-binding transcription factor binding	regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of DNA-templated transcription, elongation positive regulation of biosynthetic process regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of DNA-templated transcription, elongation positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of DNA-templated transcription elongation regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression DNA-templated transcription elongation biosynthetic process positive regulation of RNA biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process cell division transcription by RNA polymerase II host-mediated activation of viral transcription biological process involved in interspecies interaction between organisms host-mediated perturbation of viral transcription host-mediated perturbation of viral process modulation of process of another organism host-mediated activation of viral process host-mediated perturbation of symbiont process transcription elongation by RNA polymerase II positive regulation of transcription elongation by RNA polymerase II regulation of transcription by RNA polymerase II regulation of transcription elongation by RNA polymerase II positive regulation of transcription by RNA polymerase II regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation regulation of transferase activity regulation of cyclin-dependent protein serine/threonine kinase activity phosphate-containing compound metabolic process protein metabolic process protein modification process protein phosphorylation phosphorylation regulation of protein metabolic process regulation of protein kinase activity regulation of molecular function regulation of kinase activity regulation of protein serine/threonine kinase activity macromolecule modification regulation of phosphorylation	membrane-bounded organelle protein-containing complex intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex transferase complex intracellular organelle lumen protein kinase complex intracellular organelle cellular anatomical structure nucleoplasm catalytic complex membrane-bounded organelle protein-containing complex intracellular anatomical structure transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex transferase complex intracellular organelle lumen protein kinase complex intracellular organelle cellular anatomical structure nucleoplasm catalytic complex cyclin/CDK positive transcription elongation factor complex cyclin-dependent protein kinase holoenzyme complex intracellular membrane-bounded organelle transferase complex, transferring phosphorus-containing groups organelle lumen carboxy-terminal domain protein kinase complex organelle serine/threonine protein kinase complex nuclear cyclin-dependent protein kinase holoenzyme complex nuclear lumen P-TEFb complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR000719	Protein kinase domain	Domain
A	IPR050108	Cyclin-dependent kinase	Family
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR008271	Serine/threonine-protein kinase, active site	Active Site
D	IPR001831	Immunodeficiency virus transactivating regulatory protein (Tat)	Family
D	IPR036963	Tat domain superfamily	Homologous Superfamily
C	IPR007797	AF4/FMR2 family	Family
C	IPR043640	AF4/FMR2, C-terminal homology domain	Domain
C	IPR043639	AF4 interaction motif	Conserved Site
B	IPR047320	Cyclin-T1, second cyclin box	Domain
B	IPR006671	Cyclin, N-terminal	Domain
B	IPR036915	Cyclin-like superfamily	Homologous Superfamily
B	IPR043198	Cyclin/Cyclin-like subunit Ssn8	Family
B	IPR013763	Cyclin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P50750	Gaucher disease
C	: Q9UHB7	cognitive impairment - coarse facies - heart defects - obesity - pulmonary involvement - short stature - skeletal dysplasia syndrome obesity disorder Facies lung disease malignant glioma medulloblastoma non-small cell lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma astrocytic tumor breast cancer large cell medulloblastoma malignant mesothelioma ovarian cancer acquired metabolic disease cognitive impairment - coarse facies - heart defects - obesity - pulmonary involvement - short stature - skeletal dysplasia syndrome obesity disorder Facies lung disease malignant glioma medulloblastoma non-small cell lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma astrocytic tumor breast cancer large cell medulloblastoma malignant mesothelioma ovarian cancer acquired metabolic disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atypical teratoid rhabdoid tumor cancer genetic endocrine growth disease intellectual disability lung cancer malignant ependymoma malignant pancreatic neoplasm myopathy oligodendroglioma pancreatic ductal adenocarcinoma adenoma congenital heart disease glioblastoma juvenile dermatomyositis
B	: O60563	acute myeloid leukemia osteosarcoma Pick disease juvenile dermatomyositis ovarian cancer psoriasis myopathy pancreatic ductal adenocarcinoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	TPO	Parent Component: THR : AA0038 : O-phospho-L-threonine MOD:00047
D	ACE	: AA0038 , AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 : O-phospho-L-threonine MOD:00047 , N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.