Annotations: 4Q6M

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Csd4 C-terminal domains	8046492	3002215	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Zn-dependent exopeptidases	8053708	3000662	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Csd4 C-terminal domains	8053707	3002215	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_M99_m	e4q6mA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Csd4 Ig-like domain (From Topology)	T: Csd4 Ig-like domain	F: Peptidase_M99_m	ECOD (1.6)
A	Peptidase_M99_C	e4q6mA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Csd4 Ig-like domain (From Topology)	T: Csd4 Ig-like domain	F: Peptidase_M99_C	ECOD (1.6)
A	AstE_AspA_N	e4q6mA1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: AstE_AspA_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF17130	beta-barrel domain of carboxypeptidase M99 (Peptidase_M99_m)	beta-barrel domain of carboxypeptidase M99	This is the central, beta-barrel, domain of the metallo-carboxypeptidase that maintains helical cell-shape in Helicobacter. It shows a novel fold. It has a highly positively charged surface which contributes to a high overall isoelectric point. A cal ...	This is the central, beta-barrel, domain of the metallo-carboxypeptidase that maintains helical cell-shape in Helicobacter. It shows a novel fold. It has a highly positively charged surface which contributes to a high overall isoelectric point. A calcium-binding channel is formed from residues in the C-terminal Ig-like domain in conjunction with some of the long side-chains of residues from strands beta-14 and beta-18 of this domain [1].	Domain
A	PF17033	Carboxypeptidase controlling helical cell shape catalytic (Peptidase_M99)	Carboxypeptidase controlling helical cell shape catalytic	This is the peptidase domain of a D,L-carboxypeptidase. The active site residues are Arg86, Glu222 and the metal ligands, in the peptidase domain, are Gln46, Glu49 and His128 in UniProtKB:O25708. The protein binds many zinc ions and a calcium ion a ...	This is the peptidase domain of a D,L-carboxypeptidase. The active site residues are Arg86, Glu222 and the metal ligands, in the peptidase domain, are Gln46, Glu49 and His128 in UniProtKB:O25708. The protein binds many zinc ions and a calcium ion and there are other metal binding sites. The catalytic activity is the release of m-Dpm from the peptide muramyl-Ala-gamma-D-Glu-m-Dpm; this is probably the precursor of the cell wall cross-linking peptide [1].	Domain
A	PF17129	C-terminal domain of metallo-carboxypeptidase (Peptidase_M99_C)	C-terminal domain of metallo-carboxypeptidase	C-terminal immunoglobulin-like domain of helical cell shape-determining peptidoglycan hydrolases, a metallo-carboxypeptidase. The structural elements of this domain form a Ca2+ binding-channel, the Ca2+ being co-ordinated by six ligand-atoms [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Conserved hypothetical secreted protein	cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR033398	Carboxypeptidase M99, beta-barrel domain	Domain
A	IPR033397	Metallo-carboxypeptidase, C-terminal domain	Domain
A	IPR031489	D,L-carboxypeptidase, peptidase domain	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.