3WB2

HcgB from Methanocaldococcus jannaschii in complex with the guanylyl-pyridinol product in a model reaction of [Fe]-hydrogenase cofactor biosynthesis

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ITPase-like	8095994	3000497	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ITPase-like	8095994	3000497	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	ITPase-like	8095994	3000497	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	ITPase-like	8095994	3000497	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	DUF3236	e3wb2A1	A: a/b three-layered sandwiches	X: ITPase-like (From Topology)	H: ITPase-like (From Topology)	T: ITPase-like	F: DUF3236	ECOD (1.6)
B	DUF3236	e3wb2B1	A: a/b three-layered sandwiches	X: ITPase-like (From Topology)	H: ITPase-like (From Topology)	T: ITPase-like	F: DUF3236	ECOD (1.6)
C	DUF3236	e3wb2C1	A: a/b three-layered sandwiches	X: ITPase-like (From Topology)	H: ITPase-like (From Topology)	T: ITPase-like	F: DUF3236	ECOD (1.6)
D	DUF3236	e3wb2D1	A: a/b three-layered sandwiches	X: ITPase-like (From Topology)	H: ITPase-like (From Topology)	T: ITPase-like	F: DUF3236	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
A	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)
B	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
B	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)
C	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
C	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)
D	1.10.287.470	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
D	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF11576	FeGP cofactor biosynthesis protein HcgB, guanylyltransferase (HcgB)	FeGP cofactor biosynthesis protein HcgB, guanylyltransferase	This entry represents the guanylyltransferase component of the Iron-guanylylpyridinol (FeGP) cofactor biosynthesis protein HcgB [1]. This family of proteins with unknown function appears to be restricted to Methanobacteria.	Domain

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR012019	FeGP cofactor biosynthesis protein HcgB, guanylyltransferase	Family
A, B, C, D	IPR010254	B12-dependent dehydratases, beta subunit	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.