4X3Q | pdb_00004x3q

Crystal structure of S-adenosylmethionine-dependent methyltransferase SibL in complex with SAH

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8093247	3000118	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Winged helix DNA-binding domain	8093246	3000034	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8093247	3000118	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Winged helix DNA-binding domain	8093246	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8093246	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8093247	3000118	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8093247	3000118	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Winged helix DNA-binding domain	8093246	3000034	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)
D		e4x3qD1	A: CBS-domain	X: Porins	H: Invertebrate chitin-binding proteins	T:	F:	ECOD (20:10:01)
C		e4x3qC1	A: CBS-domain	X: Porins	H: Invertebrate chitin-binding proteins	T:	F:	ECOD (20:10:01)
B		e4x3qB1	A: CBS-domain	X: Porins	H: Invertebrate chitin-binding proteins	T:	F:	ECOD (20:10:01)
A		e4x3qA1	A: CBS-domain	X: Porins	H: Invertebrate chitin-binding proteins	T:	F:	ECOD (20:10:01)

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 (utative)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SibL	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity O-methyltransferase activity protein binding binding protein dimerization activity cation binding ion binding S-adenosyl-L-methionine binding sulfur compound binding small molecule binding	methylation metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR012967	Caffeic acid 3-O-methyltransferase-like, dimerisation domain	Domain
A, B, C, D	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C, D	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR016461	O-methyltransferase-like	Family
A, B, C, D	IPR001077	O-methyltransferase, C-terminal domain	Domain
A, B, C, D	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily

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.