1IU8

The X-ray Crystal Structure of Pyrrolidone-Carboxylate Peptidase from Hyperthermophilic Archaeon Pyrococcus horikoshii

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	d1iu8a_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d1iu8b_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8027356	4000580	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8039735	3000655	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8039735	3000655	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	Peptidase_C15	e1iu8A1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase) (From Topology)	T: Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	F: Peptidase_C15	ECOD (1.6)
B	Peptidase_C15	e1iu8B1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase) (From Topology)	T: Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	F: Peptidase_C15	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.630.20	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Peptidase C15, pyroglutamyl peptidase I-like	CATH (4.3.0)
B	3.40.630.20	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Peptidase C15, pyroglutamyl peptidase I-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01470	Pyroglutamyl peptidase (Peptidase_C15)	Pyroglutamyl peptidase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Pyrrolidone-carboxylate peptidase	cysteine-type peptidase activity peptidase activity pyroglutamyl-peptidase activity omega peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR033694	Pyroglutamyl peptidase I, Cys active site	Active Site
A, B	IPR029762	Pyroglutamyl peptidase I, bacterial-type	Family
A, B	IPR036440	Peptidase C15, pyroglutamyl peptidase I-like superfamily	Homologous Superfamily
A, B	IPR000816	Peptidase C15, pyroglutamyl peptidase I	Family
A, B	IPR033693	Pyroglutamyl peptidase I, Glu active site	Active Site
A, B	IPR016125	Peptidase C15, pyroglutamyl peptidase I-like	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.