1GEQ

Entropic stabilization of the tryptophan synthase A-subunit from a hyperthermophile, pyrococcus furiosus: X-ray analysis and calorimetry

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d1geqa_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Ribulose-phoshate binding barrel	Tryptophan biosynthesis enzymes	Trp synthase alpha-subunit	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d1geqb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Ribulose-phoshate binding barrel	Tryptophan biosynthesis enzymes	Trp synthase alpha-subunit	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribulose-phoshate binding barrel	8043261	3000216	SCOP2B (2022-06-29)
B	SCOP2 Family	Tryptophan biosynthesis enzymes	8030882	4003071	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Ribulose-phoshate binding barrel	8043261	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	Trp_syntA	e1geqA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Trp_syntA	ECOD (1.6)
B	Trp_syntA	e1geqB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Trp_syntA	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 (4.3.0)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00290	Tryptophan synthase alpha chain (Trp_syntA)	Tryptophan synthase alpha chain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	TRYPTOPHAN SYNTHASE ALPHA-SUBUNIT	hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity tryptophan synthase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002028	Tryptophan synthase, alpha chain	Family
A, B	IPR011060	Ribulose-phosphate binding barrel	Homologous Superfamily
A, B	IPR018204	Tryptophan synthase, alpha chain, active site	Active Site
A, B	IPR013785	Aldolase-type TIM barrel	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.