1BI7 | pdb_00001bi7

MECHANISM OF G1 CYCLIN DEPENDENT KINASE INHIBITION FROM THE STRUCTURE OF THE CDK6-P16INK4A TUMOR SUPPRESSOR COMPLEX

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1bi7b_	Alpha and beta proteins (a+b)	beta-hairpin-alpha-hairpin repeat	Ankyrin repeat	Ankyrin repeat	Cell cycle inhibitor p16ink4A	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1bi7a_	Alpha and beta proteins (a+b)	Protein kinase-like (PK-like)	Protein kinase-like (PK-like)	Protein kinases, catalytic subunit	Cyclin-dependent PK, CDK6	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Ankyrin repeat	8004107	4000366	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Ankyrin repeat	8044602	3000154	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Protein kinase-like (PK-like)	8036604	3000066	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)
B	FXa_inhibition	e1bi7B2	A: alpha bundles	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: PreATP-grasp domain	F: FXa_inhibition	ECOD (develop294)
A	Pkinase	e1bi7A1	A: alpha bundles	X: EGF-like	H: LDL receptor-like module	T: LDL receptor-like module	F: Pkinase	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00069	Protein kinase domain (Pkinase)	Protein kinase domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	MULTIPLE TUMOR SUPPRESSOR	transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding NF-kappaB binding enzyme regulator activity cyclin-dependent protein kinase regulator activity enzyme inhibitor activity protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity cyclin-dependent protein serine/threonine kinase inhibitor activity molecular function regulator activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding NF-kappaB binding enzyme regulator activity cyclin-dependent protein kinase regulator activity enzyme inhibitor activity protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity cyclin-dependent protein serine/threonine kinase inhibitor activity molecular function regulator activity cyclin-dependent protein serine/threonine kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity RNA binding nucleic acid binding kinase binding enzyme binding protein kinase binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic 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 regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process developmental process epithelium development epidermal cell differentiation cellular developmental process epidermis development animal organ development tissue development epithelial cell differentiation skin development cell differentiation keratinocyte differentiation anatomical structure development catabolic process regulation of ubiquitin-dependent protein catabolic process macromolecule catabolic process negative regulation of protein catabolic process modification-dependent macromolecule catabolic process protein metabolic process negative regulation of protein metabolic process negative regulation of ubiquitin-dependent protein catabolic process negative regulation of catabolic process regulation of protein metabolic process protein catabolic process regulation of catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process regulation of protein catabolic process replicative senescence cell cycle cell cycle process cell population proliferation epithelial cell proliferation keratinocyte proliferation regulation of growth regulation of cellular component organization growth negative regulation of cell growth regulation of cell growth cell growth cellular component organization negative regulation of growth cellular component organization or biogenesis regulation of localization cellular localization nucleocytoplasmic transport transport regulation of transport nuclear transport regulation of nucleocytoplasmic transport intracellular transport establishment of localization localization regulation of cellular localization establishment of localization in cell regulation of intracellular transport leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death macrophage apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of macrophage apoptotic process positive regulation of leukocyte apoptotic process positive regulation of cellular process myeloid cell apoptotic process regulation of leukocyte apoptotic process positive regulation of programmed cell death regulation of apoptotic process cell death positive regulation of apoptotic process regulation of macrophage apoptotic process inflammatory cell apoptotic process apoptotic process regulation of myeloid cell apoptotic process programmed cell death multicellular organismal process mammary gland development gland development negative regulation of mammary gland epithelial cell proliferation regulation of multicellular organismal process negative regulation of cell population proliferation regulation of mammary gland epithelial cell proliferation mammary gland epithelium development regulation of cell population proliferation regulation of epithelial cell proliferation negative regulation of multicellular organismal process negative regulation of epithelial cell proliferation mammary gland epithelial cell proliferation regulation of catalytic activity negative regulation of cell cycle negative regulation of catalytic activity regulation of transferase activity negative regulation of kinase activity regulation of cyclin-dependent protein serine/threonine kinase activity phosphate-containing compound metabolic process negative regulation of protein modification process phosphorus metabolic process protein modification process protein phosphorylation phosphorylation regulation of molecular function regulation of kinase activity negative regulation of protein phosphorylation macromolecule modification regulation of protein serine/threonine kinase activity regulation of phosphorus metabolic process regulation of protein modification process regulation of protein phosphorylation negative regulation of phosphate metabolic process negative regulation of cyclin-dependent protein serine/threonine kinase activity negative regulation of protein serine/threonine kinase activity regulation of cell cycle negative regulation of cyclin-dependent protein kinase activity negative regulation of molecular function negative regulation of protein kinase activity regulation of protein kinase activity negative regulation of phosphorus metabolic process regulation of phosphorylation negative regulation of phosphorylation cellular response to stimulus cellular response to stress response to stimulus response to stress cellular senescence small GTPase-mediated signal transduction signaling Ras protein signal transduction intracellular signal transduction cell communication intracellular signaling cassette signal transduction cellular response to oxidative stress response to oxygen-containing compound cellular response to chemical stress cellular response to oxygen-containing compound cellular response to hydrogen peroxide response to reactive oxygen species response to hydrogen peroxide response to oxidative stress cellular response to reactive oxygen species cellular response to chemical stimulus response to chemical positive regulation of smooth muscle cell apoptotic process muscle cell apoptotic process smooth muscle cell apoptotic process regulation of muscle cell apoptotic process regulation of smooth muscle cell apoptotic process positive regulation of muscle cell apoptotic process oncogene-induced cell senescence rRNA transcription rRNA metabolic process regulation of cell-substrate adhesion regulation of cell adhesion cell-substrate adhesion negative regulation of cell-matrix adhesion negative regulation of cell adhesion cell adhesion cell-matrix adhesion regulation of cell-matrix adhesion negative regulation of cell-substrate adhesion somatic stem cell population maintenance maintenance of cell number stem cell population maintenance transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II regulation of cell cycle phase transition regulation of cell cycle process cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle regulation of mitotic cell cycle phase transition regulation of mitotic cell cycle regulation of G1/S transition of mitotic cell cycle mitotic cell cycle process G1/S transition of mitotic cell cycle mitotic cell cycle phase transition apoptotic process involved in morphogenesis mammary gland morphogenesis apoptotic process involved in mammary gland involution apoptotic process involved in development anatomical structure morphogenesis gland morphogenesis tissue remodeling mammary gland involution animal organ morphogenesis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis regulation of developmental process positive regulation of apoptotic process involved in mammary gland involution positive regulation of developmental process positive regulation of apoptotic process involved in morphogenesis positive regulation of apoptotic process involved in development regulation of apoptotic process involved in development	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen chromatin chromosome senescence-associated heterochromatin focus heterochromatin cytoplasm cytosol
A	CYCLIN-DEPENDENT KINASE 6	binding 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 binding 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 protein serine/threonine kinase activity cyclin-dependent protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity cyclin-dependent protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein binding cyclin binding protein serine kinase activity FBXO family protein binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of biological process regulation of cellular process regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cell-substrate adhesion cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of biological process regulation of cellular process regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cell-substrate adhesion positive regulation of cell-matrix adhesion cell adhesion cell-matrix adhesion positive regulation of cell-substrate adhesion regulation of cell-matrix adhesion positive regulation of cellular process cell division regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process negative regulation of cellular process negative regulation of biological process negative regulation of cell cycle cell cycle regulation of cell cycle developmental process multicellular organismal process head development lateral ventricle development forebrain development animal organ development brain development nervous system development multicellular organism development central nervous system development ventricular system development anatomical structure development telencephalon development system development cellular developmental process regulation of developmental process homeostatic process cell development regulation of cell differentiation regulation of cell development cell differentiation regulation of immune system process regulation of multicellular organismal process myeloid cell homeostasis erythrocyte homeostasis regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation erythrocyte differentiation regulation of erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process regulation of hemopoiesis homeostasis of number of cells astrocyte differentiation glial cell development neurogenesis astrocyte development gliogenesis glial cell differentiation cell activation mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell differentiation in thymus T cell activation T cell differentiation leukocyte differentiation mitotic cell cycle process cell cycle phase transition G1/S transition of mitotic cell cycle cell cycle G1/S phase transition mitotic cell cycle mitotic cell cycle phase transition cell cycle process generation of neurons cell cycle G2/M phase transition regulation of cell cycle phase transition regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process G2/M transition of mitotic cell cycle regulation of cell cycle G2/M phase transition regulation of mitotic cell cycle phase transition regulation of mitotic cell cycle epithelium development endocrine system development type B pancreatic cell development tissue development epithelial cell differentiation epithelial cell development pancreas development endocrine pancreas development enteroendocrine cell differentiation type B pancreatic cell differentiation negative regulation of developmental process negative regulation of cell differentiation RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation negative regulation of epithelial cell proliferation myeloid leukocyte differentiation regulation of leukocyte differentiation monocyte differentiation negative regulation of hemopoiesis negative regulation of monocyte differentiation regulation of monocyte differentiation negative regulation of leukocyte differentiation regulation of myeloid leukocyte differentiation negative regulation of myeloid cell differentiation negative regulation of myeloid leukocyte differentiation negative regulation of cell development negative regulation of immune system process negative regulation of multicellular organismal process cell surface receptor signaling pathway signaling cell communication Notch signaling pathway signal transduction regulation of hematopoietic stem cell differentiation stem cell differentiation regulation of stem cell differentiation hematopoietic stem cell differentiation regulation of hematopoietic progenitor cell differentiation hematopoietic progenitor cell differentiation regulation of osteoblast differentiation negative regulation of osteoblast differentiation osteoblast differentiation ossification fibroblast proliferation positive regulation of cell population proliferation regulation of fibroblast proliferation positive regulation of fibroblast proliferation regulation of cellular senescence cellular senescence negative regulation of cellular senescence cell dedifferentiation dedifferentiation dentate gyrus development pallium development hippocampus development limbic system development biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus regulation of cell motility regulation of locomotion cell motility locomotion	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex cyclin D2-CDK6 complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cyclin D3-CDK6 complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol ruffle protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex cyclin D2-CDK6 complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cyclin D3-CDK6 complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol ruffle cell projection cell leading edge plasma membrane bounded cell projection cyclin D1-CDK6 complex intracellular organelle centrosome microtubule organizing center cytoskeleton organelle membraneless organelle intracellular membraneless organelle microtubule cytoskeleton membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
B	IPR050776	Ankyrin Repeat and Cyclin-Dependent Kinase Inhibitor	Family
A	IPR000719	Protein kinase domain	Domain
A	IPR050108	Cyclin-dependent kinase	Family
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR028788	Cyclin-dependent kinase 6	Family
A	IPR008271	Serine/threonine-protein kinase, active site	Active Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: P42771	melanoma plasma cell myeloma cutaneous melanoma malignant glioma cancer melanoma and neural system tumor syndrome dysplastic nevus syndrome adrenal cortex carcinoma melanoma-pancreatic cancer syndrome diffuse large B-cell lymphoma esophageal adenocarcinoma familial melanoma lymphoma non-small cell lung carcinoma Sezary syndrome melanoma plasma cell myeloma cutaneous melanoma malignant glioma cancer melanoma and neural system tumor syndrome dysplastic nevus syndrome adrenal cortex carcinoma melanoma-pancreatic cancer syndrome diffuse large B-cell lymphoma esophageal adenocarcinoma familial melanoma lymphoma non-small cell lung carcinoma Sezary syndrome Li-Fraumeni syndrome breast carcinoma malignant mesothelioma head and neck squamous cell carcinoma pancreatic ductal adenocarcinoma thymoma urinary bladder cancer esophageal squamous cell carcinoma nasopharyngeal carcinoma glaucoma neuroblastoma lung adenocarcinoma exocrine pancreatic carcinoma poisoning vulvar lichen sclerosus breast cancer gastric cancer glioblastoma adenocarcinoma primary cutaneous T-cell non-Hodgkin lymphoma squamous cell carcinoma thymic carcinoma trisomy peripheral neuropathy mixed glioma esophageal cancer Neoplasm Invasiveness acute lymphoblastic leukemia perineurioma peripheral nervous system disease liver cancer bone disease tubular adenocarcinoma lung cancer granular cell carcinoma peripheral nervous system neoplasm brain aneurysm ulcerative colitis pituitary cancer brain glioma urinary bladder neoplasm myeloid neoplasm lung disease nasopharyngeal disease neoplasm of neck abdominal aortic aneurysm Burkitt lymphoma nerve sheath neoplasm carotid artery disease granulomatous slack skin disease prostate carcinoma oral cavity neoplasm hematologic disease adrenal gland cancer ovarian carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atypical teratoid rhabdoid tumor cribriform carcinoma of breast large cell medulloblastoma benign neoplasm melanoma, cutaneous malignant, susceptibility to, 1 biliary tract neoplasm digestive system disease liver neoplasm brain cancer lung benign neoplasm urogenital neoplasm myocardial infarction eye disease familial pancreatic carcinoma gastric neoplasm glioma cataract open-angle glaucoma adrenal carcinoma psoriasis osteosarcoma hepatocellular carcinoma skin basal cell carcinoma congenital anemia pancreatic neoplasm B-cell acute lymphoblastic leukemia cutaneous lupus erythematosus leukemia depressive disorder mesothelioma pilocytic astrocytoma low tension glaucoma brain disease plasma cell neoplasm uterine disease precancerous condition lymphatic system disease brainstem cancer neoplasm of esophagus major depressive disorder breast disease acute T cell leukemia primary cutaneous T-cell lymphoma primitive neuroectodermal tumor childhood acute lymphoblastic leukemia oral cavity cancer heart disease malignant pancreatic neoplasm colorectal cancer ovarian cancer pancreatic intraductal papillary-mucinous neoplasm hereditary diffuse gastric adenocarcinoma astrocytic tumor skin disease cribriform carcinoma inflammatory bowel disease benign mesothelioma thoracic aortic aneurysm peripheral arterial disease benign neoplasm of pancreas
A	Pharos: Q00534	rheumatoid arthritis medulloblastoma microcephaly 12, primary, autosomal recessive glioblastoma acute myeloid leukemia microcephaly giant cell glioblastoma anemia childhood medulloblastoma Chromosome Aberrations atrial fibrillation medullomyoblastoma with myogenic differentiation cancer adult medulloblastoma malignant mesothelioma rheumatoid arthritis medulloblastoma microcephaly 12, primary, autosomal recessive glioblastoma acute myeloid leukemia microcephaly giant cell glioblastoma anemia childhood medulloblastoma Chromosome Aberrations atrial fibrillation medullomyoblastoma with myogenic differentiation cancer adult medulloblastoma malignant mesothelioma melanotic medulloblastoma childhood acute lymphoblastic leukemia ovarian cancer cholangiocarcinoma desmoplastic/nodular medulloblastoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor sarcoidosis lung cancer malignant ependymoma autosomal recessive primary microcephaly malignant pancreatic neoplasm breast disease cerebrovascular disorder pancreatic ductal adenocarcinoma pilocytic astrocytoma invasive ductal breast carcinoma psoriasis liposarcoma transitional cell carcinoma adrenal cortex adenoma lung carcinoma malignant glioma brainstem cancer metastatic melanoma osteosarcoma cystic fibrosis pancreatic intraductal papillary-mucinous carcinoma eye disease large cell medulloblastoma lung adenocarcinoma tuberculosis lymphoma atypical teratoid rhabdoid tumor breast cancer

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.