Annotations: 3F43

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Anti-sigma factor antagonist SpoIIaa	8076663	4003567	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SpoIIaa-like	8076664	3001065	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	zf-CCCH_4	e3f43A1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: zf-CCCH_4	ECOD (v294.2)

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)

Chains	Accession	Name	Description	Comments	Source
A	PF01740	STAS domain (STAS)	STAS domain	The STAS (after Sulphate Transporter and AntiSigma factor antagonist) domain is found in the C terminal region of Sulphate transporters and bacterial antisigma factor antagonists. It has been suggested that this domain may have a general NTP binding ...	The STAS (after Sulphate Transporter and AntiSigma factor antagonist) domain is found in the C terminal region of Sulphate transporters and bacterial antisigma factor antagonists. It has been suggested that this domain may have a general NTP binding function [2].	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Putative anti-sigma factor antagonist TM1081	transcription regulator activity anti-sigma factor antagonist activity	-	-

Chains	Accession	Name	Type
A	IPR036513	STAS domain superfamily	Homologous Superfamily
A	IPR002645	STAS domain	Domain
A	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.

3F43 | pdb_00003f43