2PG4

Crystal structure of a putative dna binding protein (ape_0880a) from aeropyrum pernix k1 at 2.21 A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family 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	d2pg4a1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	F93-like	Uncharacterized protein APE0880.1	(Aeropyrum pernix K1 ) [TaxId: 272557 ],	SCOPe (2.08)
B	d2pg4b_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	F93-like	Uncharacterized protein APE0880.1	(Aeropyrum pernix K1 ) [TaxId: 272557 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	F93-like	8057973	4000152	SCOP2 (2021-05-27)
A	SCOP2 Superfamily	Winged helix DNA-binding domain	8057974	3000034	SCOP2 (2021-05-27)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8057974	3000034	SCOP2B (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF22166	e2pg4A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF22166	ECOD (1.6)
B	PF22166	e2pg4B1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF22166	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF22166	ArnR1-like, winged-helix domain (ArnR1-like_WHD)	ArnR1-like, winged-helix domain	This entry represents a WH-like domain present in ArnR1-like proteins (PDB:2pg4). ArnR1-like transcription factors have been implicated in regulating the expression of components found in both the archaeal adhesive pilus and UV-inducible pili systems ...	This entry represents a WH-like domain present in ArnR1-like proteins (PDB:2pg4). ArnR1-like transcription factors have been implicated in regulating the expression of components found in both the archaeal adhesive pilus and UV-inducible pili systems [1,2].	Domain

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	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 R01GM133198.