1BBX | pdb_00001bbx

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1bbxc_	All beta proteins	SH3-like barrel	Chromo domain-like	Histone-like proteins from archaea	DNA-binding protein	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d1bbxd_	All beta proteins	SH3-like barrel	Chromo domain-like	Histone-like proteins from archaea	DNA-binding protein	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Chromo domain-like	8077307	3000161	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Chromo domain-like	8077307	3000161	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Chromo	e1bbxC1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Chromo	ECOD (v294.1)
D	Chromo	e1bbxD1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Chromo	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
C, D	PF02294	7kD DNA-binding domain (7kD_DNA_binding)	7kD DNA-binding domain	This family contains members of the hyper-thermophilic archaebacterium 7kD DNA-binding/endoribonuclease P2 family. There are five 7kD DNA-binding proteins, 7a-7e, found as monomers in the cell. Protein 7e shows the tightest DNA-binding ability.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	DNA-BINDING PROTEIN 7D	DNA binding binding nucleic acid binding endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm
A, B	DNA (5'-D(CPTPAPGPCPGPCPGPCPTPAPG)-3')	-	-	-

Chains	Accession	Name	Type
C, D	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
C, D	IPR003212	DNA-binding protein 7a-e	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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