2XWQ

Anaerobic cobalt chelatase from Archeaoglobus fulgidus (CbiX) in complex with metalated sirohydrochlorin product

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2xwqa1	Alpha and beta proteins (a/b)	Chelatase-like	Chelatase	CbiX-like	automated matches	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
A	d2xwqa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
B	d2xwqb_	Alpha and beta proteins (a/b)	Chelatase-like	Chelatase	CbiX-like	automated matches	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
C	d2xwqc1	Alpha and beta proteins (a/b)	Chelatase-like	Chelatase	CbiX-like	automated matches	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
C	d2xwqc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
D	d2xwqd_	Alpha and beta proteins (a/b)	Chelatase-like	Chelatase	CbiX-like	automated matches	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Chelatase	8040247	3001656	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Chelatase	8040247	3001656	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Chelatase	8040247	3001656	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Chelatase	8040247	3001656	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	CbiX	e2xwqA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: CbiX	ECOD (1.6)
B	CbiX	e2xwqB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: CbiX	ECOD (1.6)
C	CbiX	e2xwqC1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: CbiX	ECOD (1.6)
D	CbiX	e2xwqD1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: CbiX	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1400	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.40.50.1400	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.40.50.1400	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D	3.40.50.1400	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01903	CbiX (CbiX)	CbiX	The function of CbiX is uncertain, however it is found in cobalamin biosynthesis operons and so may have a related function. Some CbiX proteins contain a striking histidine-rich region at their C-terminus, which suggests that it might be involved in ...	The function of CbiX is uncertain, however it is found in cobalamin biosynthesis operons and so may have a related function. Some CbiX proteins contain a striking histidine-rich region at their C-terminus, which suggests that it might be involved in metal chelation [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SIROHYDROCHLORIN COBALTOCHELATASE	cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding organic cyclic compound binding tetrapyrrole binding sirohydrochlorin cobaltochelatase activity lyase activity catalytic activity	cobalamin metabolic process cobalamin biosynthetic process water-soluble vitamin biosynthetic process tetrapyrrole metabolic process anaerobic cobalamin biosynthetic process small molecule biosynthetic process vitamin biosynthetic process vitamin metabolic process tetrapyrrole biosynthetic process biosynthetic process small molecule metabolic process metabolic process cellular process water-soluble vitamin metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR023652	Sirohydrochlorin cobaltochelatase	Family
A, B, C, D	IPR002762	Sirohydrochlorin cobaltochelatase CbiX-like	Family

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.