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Leucyl aminopeptidase
Class of enzymes / From Wikipedia, the free encyclopedia
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Leucyl aminopeptidases (EC 3.4.11.1, leucine aminopeptidase, LAPs, leucyl peptidase, peptidase S, cytosol aminopeptidase, cathepsin III, L-leucine aminopeptidase, leucinaminopeptidase, leucinamide aminopeptidase, FTBL proteins, proteinates FTBL, aminopeptidase II, aminopeptidase III, aminopeptidase I) are enzymes that preferentially catalyze the hydrolysis of leucine residues at the N-terminus of peptides and proteins. Other N-terminal residues can also be cleaved, however. LAPs have been found across superkingdoms. Identified LAPs include human LAP, bovine lens LAP, porcine LAP, Escherichia coli (E. coli) LAP (also known as PepA or XerB), and the solanaceous-specific acidic LAP (LAP-A) in tomato (Solanum lycopersicum).
Leucine aminopeptidase | |||||||
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![]() Crystal structure of bovine leucyl aminopeptidase with co-ordinated zinc ions. Rendered from PDB 1BLL. | |||||||
Identifiers | |||||||
Symbol | LAP | ||||||
Alt. symbols | PEPS | ||||||
NCBI gene | 51056 | ||||||
HGNC | 18449 | ||||||
OMIM | 170250 | ||||||
RefSeq | NM_015907 | ||||||
UniProt | P28838 | ||||||
Other data | |||||||
EC number | 3.4.11.1 | ||||||
Locus | Chr. 4 p15.33 | ||||||
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