1H4Y | pdb_00001h4y

Structure of the Anti-Sigma Factor Antagonist SpoIIAA in its Unphosphorylated Form

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d1h4ya_	Alpha and beta proteins (a/b)	SpoIIaa-like	SpoIIaa-like	Anti-sigma factor antagonist SpoIIaa	Anti-sigma factor antagonist SpoIIaa	(Lysinibacillus sphaericus ) [TaxId: 1421 ],	SCOPe (2.08)
B	d1h4yb_	Alpha and beta proteins (a/b)	SpoIIaa-like	SpoIIaa-like	Anti-sigma factor antagonist SpoIIaa	Anti-sigma factor antagonist SpoIIaa	(Lysinibacillus sphaericus ) [TaxId: 1421 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SpoIIaa-like	8032910	3001065	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SpoIIaa-like	8032910	3001065	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	Glyco_hydro_20b	e1h4yA1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Glyco_hydro_20b	ECOD (v294.1)
B	Glyco_hydro_20b	e1h4yB1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Glyco_hydro_20b	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.750.24	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	STAS domain	CATH (4.3.0)
B	3.30.750.24	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	STAS domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ANTI-SIGMA F FACTOR ANTAGONIST	transcription regulator activity anti-sigma factor antagonist activity protein binding binding antisigma factor binding	sporulation resulting in formation of a cellular spore developmental process anatomical structure morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development sporulation	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036513	STAS domain superfamily	Homologous Superfamily
A, B	IPR014237	Anti-sigma F factor antagonist	Family
A, B	IPR002645	STAS domain	Domain
A, B	IPR003658	Anti-sigma factor antagonist	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.