2D5D

Structure of Biotin Carboxyl Carrier Protein (74Val start) from Pyrococcus horikoshi OT3 Ligand Free Form II

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	Single hybrid motif	8071104	3001880	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Single hybrid motif	8071104	3001880	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	Biotin_lipoyl	e2d5dA1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: Biotin_lipoyl	ECOD (1.6)
B	Biotin_lipoyl	e2d5dB1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: Biotin_lipoyl	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
B	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00364	Biotin-requiring enzyme (Biotin_lipoyl)	Biotin-requiring enzyme	This family covers two Prosite entries, the conserved lysine residue binds biotin in one group and lipoic acid in the other. Note that the HMM does not currently recognise the Glycine cleavage system H proteins.	Domain

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050709	Biotin Carboxyl Carrier/Decarboxylase Components	Family
A, B	IPR011053	Single hybrid motif	Homologous Superfamily
A, B	IPR001882	Biotin-binding site	Binding Site
A, B	IPR000089	Biotin/lipoyl attachment	Domain

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.