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MolNFT v1 · #125718 · protein

Structure of glycosylated human aminopeptidase N

5LHD: “Structure of glycosylated human aminopeptidase N”. X-ray diffraction, 3 ligands (NAG, BMA, ZN), 20 pockets (best druggability 0.74). MolNFT v1 #125718 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
5LHD
Type
protein
Length
3,616 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Aminopeptidase N
EC
3.4.11.2
UniProt
P15144
Ligands
NAG, BMA, ZN
Pockets
20 · best druggability 0.74

Structure

x-ray diffraction · 3 distinct chains · 46% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AAminopeptidase N (EC 3.4.11.2)protein90346% helix, 21% strandP15144
B, DAminopeptidase N (EC 3.4.11.2)protein90446% helix, 19% strandP15144
CAminopeptidase N (EC 3.4.11.2)protein90546% helix, 20% strandP15144

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 64 copies · chains A, B, C, D
  • BMA · beta-D-mannopyranose · sugar · 37 copies · chains C, A, D, B
  • ZN · Zinc ion · metal · 4 copies · chains A, B, C, D
  • EDO · 1,2-ethanediol · additive · 46 copies · chains A, B, C, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 17 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18430.740.7867empty
28090.730.7871EDO
39010.730.7784EDO
45950.730.8065EDO
59390.730.7787EDO

Interfaces

4 interfaces between chains.

  • B–C · 388 Ų buried · 5 hydrogen bonds · protein-protein
  • A–B · 348 Ų buried · 5 hydrogen bonds · protein-protein
  • B–D · 268 Ų buried · 3 hydrogen bonds · protein-protein
  • C–D · 63 Ų buried · 1 hydrogen bond · protein-protein

Modifications

Observed in the structure: 35 glycan, 8 disulfide (N-glycosylation, disulfide).

Compared structures

  • 5LHD · Structure of glycosylated human aminopeptidase N · the same entry in another collection · chain D against D, TM-score 1.00
  • P15144 · AlphaFold monomer V2.0 prediction for aminopeptidase N (P15144) · a predicted model of the same protein · chain C against A, TM-score 0.97

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