1AUG

CRYSTAL STRUCTURE OF THE PYROGLUTAMYL PEPTIDASE I FROM BACILLUS AMYLOLIQUEFACIENS

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
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1auga_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
B	d1augb_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
C	d1augc_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	SCOPe (2.08)
D	d1augd_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	(Bacillus amyloliquefaciens ) [TaxId: 1390 ],	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)	8032195	4000580	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8044573	3000655	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8044573	3000655	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8044573	3000655	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8044573	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	PF01470	e1augA1	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: PF01470	ECOD (1.6)
B	PF01470	e1augB1	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: PF01470	ECOD (1.6)
C	PF01470	e1augC1	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: PF01470	ECOD (1.6)
D	PF01470	e1augD1	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: PF01470	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)
C	3.40.630.20	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Peptidase C15, pyroglutamyl peptidase I-like	CATH (4.3.0)
D	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, C, D	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, C, D	PYROGLUTAMYL PEPTIDASE-1	cysteine-type peptidase activity peptidase activity pyroglutamyl-peptidase activity omega peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity	organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

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

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	pyroglutamyl-peptidase I M-CSA #633	Pyroglutamyl peptidase I is a cytosolic cysteine protease that cleaves cleaves N-terminal pyroglutamyl (pGlu) residues from a broad specturm of pGlu-containing peptides including thyrotropin releasing hormone (TRH), luterinizing hormone releasing hormone (LH-RH), bombesin (from the skin of reptiles), neurotensin (from mammalian brain) and the gastrins (gastric secretion stimulants). Such peptides with an N-terminal pGlu residue are resistant to degradation by conventional aminopeptidases. In the case of TRH and LH-RH this is important in protecting the hormones during their journey from the hypothalamus (where they are produced) to the pituitary gland. Pyroglutamyl peptidase I is widely found in bacteria and plants as well as in animals; in archaea and eubacteria it may have a role in detoxification/nutrient assimilation of N-terminally blocked peptides.	Defined by 4 residues: GLU:A-81ARG:A-91CYS:A-144HIS:A-168 \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 3.4.19.3 (PDB Primary Data) Search M-CSA Motif + EC 3.4.19.3

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.