1LAM | pdb_00001lam

LEUCINE AMINOPEPTIDASE (UNLIGATED)


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)
Ae1lamA1 A: Phosphorylase/hydrolase-likeX: Zn-dependent exopeptidasesH: Zn-dependent exopeptidasesT: Peptidase_M17F:ECOD (20:10:01)
Ae1lamA2 A: Macro domain-likeX: Macro domain-likeH: Macro domain-likeT: Peptidase_M17_NF:ECOD (20:10:01)

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 domainDomain
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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