Annotations: 3PN9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Creatinase_N	e3pn9D1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Creatinase/prolidase N-terminal domain (From Topology)	T: Creatinase/prolidase N-terminal domain	F: Creatinase_N	ECOD (1.6)
C	Creatinase_N	e3pn9C1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Creatinase/prolidase N-terminal domain (From Topology)	T: Creatinase/prolidase N-terminal domain	F: Creatinase_N	ECOD (1.6)
B	Creatinase_N	e3pn9B1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Creatinase/prolidase N-terminal domain (From Topology)	T: Creatinase/prolidase N-terminal domain	F: Creatinase_N	ECOD (1.6)
A	Creatinase_N	e3pn9A1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Creatinase/prolidase N-terminal domain (From Topology)	T: Creatinase/prolidase N-terminal domain	F: Creatinase_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.350.10	Alpha Beta	3-Layer(aba) Sandwich	Creatine Amidinohydrolase	Chain A, domain 1	CATH (4.2.0)
C	3.40.350.10	Alpha Beta	3-Layer(aba) Sandwich	Creatine Amidinohydrolase	Chain A, domain 1	CATH (4.2.0)
B	3.40.350.10	Alpha Beta	3-Layer(aba) Sandwich	Creatine Amidinohydrolase	Chain A, domain 1	CATH (4.2.0)
A	3.40.350.10	Alpha Beta	3-Layer(aba) Sandwich	Creatine Amidinohydrolase	Chain A, domain 1	CATH (4.2.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01321	Creatinase/Prolidase N-terminal domain (Creatinase_N)	Creatinase/Prolidase N-terminal domain	This family includes the N-terminal non-catalytic domains from creatinase and prolidase. The exact function of this domain is uncertain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Proline dipeptidase	peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity proline dipeptidase activity dipeptidase activity cation binding transition metal ion binding ion binding binding metal ion binding peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity proline dipeptidase activity dipeptidase activity cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding aminopeptidase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR000587	Creatinase, N-terminal	Domain
A, B, C, D	IPR001714	Peptidase M24, methionine aminopeptidase	Family
A, B, C, D	IPR001131	Peptidase M24B, X-Pro dipeptidase/aminopeptidase P, conserved site	Conserved Site
A, B, C, D	IPR029149	Creatinase/Aminopeptidase P/Spt16, N-terminal	Homologous Superfamily
A, B, C, D	IPR050659	Peptidase M24B family	Family
A, B, C, D	IPR036005	Creatinase/aminopeptidase-like	Homologous Superfamily
A, B, C, D	IPR000994	Peptidase M24	Domain

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.