4E3T | pdb_00004e3t

Round 18 Arylesterase Variant of Phosphotriesterase with Bound Transition State Analog

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d4e3ta_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Phosphotriesterase-like	automated matches	(Brevundimonas diminuta ) [TaxId: 293 ],	SCOPe (2.08)
B	d4e3tb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Phosphotriesterase-like	automated matches	(Brevundimonas diminuta ) [TaxId: 293 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Metallo-dependent hydrolases	8033495	3000428	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Metallo-dependent hydrolases	8033495	3000428	SCOP2B (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	Mannitol_dh	e4e3tA1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: Mannitol_dh	ECOD (v294.1)
B	14-3-3	e4e3tB1	A: a/b three-layered sandwiches	X: beta-Grasp	H: HTH	T: winged helix domain	F: 14-3-3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
B	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Phosphotriesterase	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding phosphoric ester hydrolase activity aryldialkylphosphatase activity hydrolase activity, acting on ester bonds phosphoric triester hydrolase activity hydrolase activity catalytic activity	-	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017947	Aryldialkylphosphatase, zinc-binding site	Binding Site
A, B	IPR001559	Phosphotriesterase	Family
A, B	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, B	IPR032466	Metal-dependent hydrolase	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.