Annotations: 6JAU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Glyco_hydro_108,PG_binding_3	e6jauA1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Glyco_hydro_108,PG_binding_3	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03888	MucB/RseB N-terminal domain (MucB_RseB)	MucB/RseB N-terminal domain	Members of this family are regulators of the anti-sigma E protein RseD.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Sigma factor AlgU negative regulatory protein	sigma factor antagonist activity transcription corepressor activity transcription regulator activity transcription coregulator activity	regulation of biosynthetic process carbohydrate metabolic process regulation of biological process regulation of cellular process polysaccharide biosynthetic process carbohydrate biosynthetic process biological regulation primary metabolic process regulation of macromolecule metabolic process macromolecule biosynthetic process regulation of polysaccharide metabolic process regulation of primary metabolic process polysaccharide metabolic process biosynthetic process regulation of polysaccharide biosynthetic process regulation of biosynthetic process carbohydrate metabolic process regulation of biological process regulation of cellular process polysaccharide biosynthetic process carbohydrate biosynthetic process biological regulation primary metabolic process regulation of macromolecule metabolic process macromolecule biosynthetic process regulation of polysaccharide metabolic process regulation of primary metabolic process polysaccharide metabolic process biosynthetic process regulation of polysaccharide biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of carbohydrate biosynthetic process regulation of carbohydrate metabolic process regulation of metabolic process alginic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process	cell periphery cellular anatomical structure plasma membrane membrane
A	Sigma factor AlgU regulatory protein MucB	protein binding binding antisigma factor binding	regulation of biosynthetic process carbohydrate metabolic process regulation of biological process regulation of cellular process polysaccharide biosynthetic process carbohydrate biosynthetic process biological regulation primary metabolic process regulation of macromolecule metabolic process macromolecule biosynthetic process regulation of polysaccharide metabolic process regulation of primary metabolic process polysaccharide metabolic process biosynthetic process regulation of polysaccharide biosynthetic process regulation of biosynthetic process carbohydrate metabolic process regulation of biological process regulation of cellular process polysaccharide biosynthetic process carbohydrate biosynthetic process biological regulation primary metabolic process regulation of macromolecule metabolic process macromolecule biosynthetic process regulation of polysaccharide metabolic process regulation of primary metabolic process polysaccharide metabolic process biosynthetic process regulation of polysaccharide biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of carbohydrate biosynthetic process regulation of carbohydrate metabolic process regulation of metabolic process alginic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process	cellular anatomical structure extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR005573	Anti sigma-E protein RseA, C-terminal	Domain
B	IPR036147	Anti sigma-E protein RseA, N-terminal domain superfamily	Homologous Superfamily
B	IPR052383	Anti-sigma-E factor RseA-like	Family
B	IPR005572	Anti sigma-E protein RseA, N-terminal	Domain
A	IPR005588	MucB/RseB	Family
A	IPR033436	MucB/RseB, C-terminal	Domain
A	IPR033434	MucB/RseB, N-terminal	Domain
A	IPR038484	MucB/RseB, C-terminal 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.