Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyLeucine aminopeptidase, C-terminal domain 8019819 4000584 SCOP2 (2022-06-29)
ASCOP2 FamilyPepA N-terminal domain-like 8032036 4000505 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyZn-dependent exopeptidases 8032199 3000662 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyMacro domain-like 8044414 3000458 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APeptidase_M17e1lamA1 A: a/b three-layered sandwichesX: Phosphorylase/hydrolase-likeH: Zn-dependent exopeptidases (From Topology)T: Zn-dependent exopeptidasesF: Peptidase_M17ECOD (1.6)
APeptidase_M17_Ne1lamA2 A: a/b three-layered sandwichesX: Macro domain-like (From Topology)H: Macro domain-like (From Topology)T: Macro domain-likeF: Peptidase_M17_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.220.10 Alpha Beta 3-Layer(aba) Sandwich Leucine Aminopeptidase, subunit E domain 1CATH (4.3.0)
A3.40.630.10 Alpha Beta 3-Layer(aba) Sandwich Aminopeptidase Zn peptidasesCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF02789Cytosol aminopeptidase family, N-terminal domain (Peptidase_M17_N)Cytosol aminopeptidase family, N-terminal domain- Domain
PF00883Cytosol aminopeptidase family, catalytic domain (Peptidase_M17)Cytosol aminopeptidase family, catalytic domainThe two associated zinc ions and the active site are entirely enclosed within the C-terminal catalytic domain in leucine aminopeptidase.Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
leucyl aminopeptidase  M-CSA #587

Bovine lens leucine aminopeptidase (blLAP) is a widespread bizinc exopeptidase, whose function is to remove the N-terminal residue in a peptide chain. It plays a key role in the degradation and modification of proteins in the metabolism of mammals and has even been implicated in human HIV pathophysiology. blLAP has a hexameric structure, in which each monomer functions independently of the others. The active site (one per monomer) is sitting on the edge of two water channels: a large one for the substrate located below the two metal ions and a much smaller one located above Zn1.

Defined by 2 residues: LYS:A-262ARG:A-336
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