Annotations: 4J9J

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	His_biosynth	e4j9jA4	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: His_biosynth	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.2.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00977	Histidine biosynthesis protein (His_biosynth)	Histidine biosynthesis protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Imidazole glycerol phosphate synthase subunit HisF	lyase activity catalytic activity imidazoleglycerol-phosphate synthase activity pentosyltransferase activity glycosyltransferase activity transferase activity	oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process aromatic amino acid metabolic process aromatic amino acid family biosynthetic process L-histidine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process imidazole-containing compound metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process aromatic amino acid metabolic process aromatic amino acid family biosynthetic process L-histidine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process L-histidine biosynthetic process proteinogenic amino acid biosynthetic process metabolic process cellular process alpha-amino acid biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011060	Ribulose-phosphate binding barrel	Homologous Superfamily
A	IPR004651	Histidine biosynthesis, HisF	Family
A	IPR050064	Imidazole glycerol phosphate synthase HisA/HisF	Family
A	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A	IPR006062	Histidine biosynthesis protein	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.