1IOI | pdb_00001ioi

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d1ioid_	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 furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
C	d1ioic_	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 furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d1ioib_	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 furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
A	d1ioia_	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 furiosus ) [TaxId: 2261 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8034138	3000655	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8034138	3000655	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8034138	3000655	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase)	8034138	3000655	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Abhydrolase_1	e1ioiD1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Abhydrolase_1	ECOD (v295.2)
C	Abhydrolase_1	e1ioiC1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Abhydrolase_1	ECOD (v295.2)
B	Abhydrolase_1	e1ioiB1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Abhydrolase_1	ECOD (v295.2)
A	Abhydrolase_1	e1ioiA1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Abhydrolase_1	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

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

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	PYRROLIDONE CARBOXYL 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

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

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.