Annotations: 8G3H

Structure of cobalamin-dependent methionine synthase (MetH) in a resting state

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SH3_14	e8g3hA1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: SH3_14	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.330	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Homocysteine-binding-like domain	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Methionine synthase	vitamin binding binding cobalamin binding tetrapyrrole binding heterocyclic compound binding small molecule binding methionine synthase activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity catalytic activity cation binding transition metal ion binding vitamin binding binding cobalamin binding tetrapyrrole binding heterocyclic compound binding small molecule binding methionine synthase activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity catalytic activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding	homocysteine metabolic process oxoacid metabolic process sulfur amino acid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process alpha-amino acid metabolic process non-proteinogenic amino acid metabolic process metabolic process cellular process small molecule metabolic process sulfur compound metabolic process folic acid-containing compound metabolic process homocysteine metabolic process oxoacid metabolic process sulfur amino acid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process alpha-amino acid metabolic process non-proteinogenic amino acid metabolic process metabolic process cellular process small molecule metabolic process sulfur compound metabolic process folic acid-containing compound metabolic process modified amino acid metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process methylation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003759	Cobalamin (vitamin B12)-binding module, cap domain	Domain
A	IPR050554	Methionine Synthase/Corrinoid	Family
A	IPR011005	Dihydropteroate synthase-like superfamily	Homologous Superfamily
A	IPR033706	Methionine synthase, B12-binding domain	Domain
A	IPR006158	Cobalamin (vitamin B12)-binding domain	Domain
A	IPR003726	Homocysteine-binding domain	Domain
A	IPR004223	Vitamin B12-dependent methionine synthase, activation domain	Domain
A	IPR036589	Homocysteine-binding domain superfamily	Homologous Superfamily
A	IPR000489	Pterin-binding domain	Domain
A	IPR036724	Cobalamin-binding domain superfamily	Homologous Superfamily
A	IPR011822	Cobalamin-dependent methionine synthase	Family
A	IPR036594	Methionine synthase domain	Homologous Superfamily
A	IPR037010	Vitamin B12-dependent methionine synthase, activation domain superfamily	Homologous Superfamily

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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.

8G3H | pdb_00008g3h

Structure of cobalamin-dependent methionine synthase (MetH) in a resting state

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Domain Annotation: CATH CATH Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage