4fyq

X-ray diffraction
1.9Å resolution

Human aminopeptidase N (CD13)

Released:

Function and Biology Details

Reaction catalysed:
Release of an N-terminal amino acid, Xaa-|-Yaa- from a peptide, amide or arylamide. Xaa is preferably Ala, but may be most amino acids including Pro (slow action). When a terminal hydrophobic residue is followed by a prolyl residue, the two may be released as an intact Xaa-Pro dipeptide.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-537857 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Aminopeptidase N Chain: A
Molecule details ›
Chain: A
Length: 903 amino acids
Theoretical weight: 103.25 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P15144 (Residues: 66-967; Coverage: 93%)
Gene names: ANPEP, APN, CD13, PEPN
Sequence domains:
Structure domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA
Carbohydrate polymer : NEW Components: NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P64
Unit cell:
a: 157.901Å b: 157.901Å c: 115.047Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.171 0.17 0.193
Expression system: Homo sapiens