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renal dipeptidase; microsomal dipeptidase; dipeptidase 1 (DPEP1, MDP, RDP)

Function: - hydrolyzes a wide range of dipeptides - implicated in renal metabolism of glutathione & its conjugates - converts leukotriene D4 to leukotriene E4 - may play role in regulation of leukotriene activity - inhibited by L-penicillamine (putative) - hydrolysis of dipeptides Cofactor: Zn+2 Structure: - homodimer, disulfide-linked - belongs to the peptidase M19 family Compartment: - apical cell membrane, lipid-anchor, GPI-anchor - cell projection, microvillus membrane - brush border membrane

General

dipeptidase glycoprotein glypiated protein metalloprotein oligomerizing protein

Properties

SIZE: entity length = 411 aa MW = 46 kD COMPARTMENT: plasma membrane CELL-REGION: apical region CELL: epithelial cell MOTIF: signal sequence {1-16} Zn+2-binding site SITE: 36-36 Zn+2-binding site SITE: 38-38 N-glycosylation site {N57} cysteine residue {C87} MODIFICATION: cysteine residue {C170} Zn+2-binding site SITE: 141-141 binding site SITE: 168-168 FOR-BINDING-OF: Substrate cysteine residue {C170} MODIFICATION: cysteine residue {C87} Zn+2-binding site SITE: 214-214 Zn+2-binding site SITE: 235-235 cysteine residue {C242} MODIFICATION: cysteine residue {C274} binding site SITE: 246-246 FOR-BINDING-OF: Substrate cysteine residue {C274} MODIFICATION: cysteine residue {C242} N-glycosylation site {N279} binding site SITE: 304-304 FOR-BINDING-OF: Substrate N-glycosylation site {N332} N-glycosylation site {N358} cysteine residue {C377} MODIFICATION: cysteine residue {C-INTERCHAIN} glycosyl phosphatidylinositol [GPI] membrane anchor {N385}

Database Correlations

OMIM 179780 UniProt P16444 Pfam PF01244 Kegg hsa:1800 ENZYME 3.4.13.19

References

UniProt :accession P16444