Annotations: 3EGI

Methyltransferase domain of human trimethylguanosine synthase TGS1 bound to m7GpppA (inactive form)

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Methyltr_RsmB-F	e3egiD2	A: alpha arrays	X: DEATH domain	H: omega toxin-related	T: Scorpion toxin-like	F: Methyltr_RsmB-F	ECOD (v295)
C	Methyltr_RsmB-F	e3egiC2	A: alpha arrays	X: DEATH domain	H: omega toxin-related	T: Scorpion toxin-like	F: Methyltr_RsmB-F	ECOD (v295)
B	Methyltr_RsmB-F	e3egiB2	A: alpha arrays	X: DEATH domain	H: omega toxin-related	T: Scorpion toxin-like	F: Methyltr_RsmB-F	ECOD (v295)
A	FtsJ	e3egiA1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: FtsJ	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF09445	RNA cap guanine-N2 methyltransferase (Methyltransf_15)	RNA cap guanine-N2 methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Trimethylguanosine synthase homolog	RNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity methyltransferase activity catalytic activity RNA cap trimethylguanosine synthase activity S-adenosylmethionine-dependent methyltransferase activity	7-methylguanosine cap hypermethylation RNA metabolic process primary metabolic process RNA capping gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process RNA modification biosynthetic process methylation 7-methylguanosine cap hypermethylation RNA metabolic process primary metabolic process RNA capping gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process RNA modification biosynthetic process methylation macromolecule modification RNA 5'-end processing metabolic process cellular process macromolecule metabolic process RNA processing RNA methylation DNA-templated transcription ribonucleoprotein complex biogenesis mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA splicing protein-containing complex organization spliceosomal snRNP assembly mRNA metabolic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile	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 Cajal body ribonucleoprotein granule nuclear body nucleoplasm supramolecular complex nuclear ribonucleoprotein granule protein-containing complex nuclear protein-containing complex Sm-like protein family complex small nuclear ribonucleoprotein complex ribonucleoprotein complex cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C, D	IPR019012	RNA cap guanine-N2 methyltransferase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	: Q96RS0	atypical teratoid rhabdoid tumor glioblastoma malignant mesothelioma ovarian cancer primitive neuroectodermal tumor breast cancer large cell medulloblastoma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma psoriasis diabetes mellitus malignant glioma osteosarcoma pilocytic astrocytoma

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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.