Annotations: 4X9S

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4x9sa_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Ribulose-phoshate binding barrel	Histidine biosynthesis enzymes	automated matches	(Streptomyces sp. Mg1 ) [TaxId: 465541 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Histidine biosynthesis enzymes	8077796	4003056	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribulose-phoshate binding barrel	8077797	3000216	SCOP2 (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	Ank, Ank_2, Ank_3, Ank_4	e4x9sA1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ank, Ank_2, Ank_3, Ank_4	ECOD (develop294)

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 (4.3.0)

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.