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MolNFT v1 · #109645 · protein

Crystal structure of lysosomal phospholipase A2

4X90 · Group xv phospholipase A2: “Crystal structure of lysosomal phospholipase A2”. X-ray diffraction, 3 ligands (NAG, CL, PO4), 11 pockets (best druggability 0.80). MolNFT v1 #109645 on GenesisL1: 3D structure, binding sites and pockets…

PDB
4X90
Type
protein
Length
1,504 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Group xv phospholipase A2
EC
2.3.1.-
UniProt
Q8NCC3
Ligands
NAG, CL, PO4
Pockets
11 · best druggability 0.80

Structure

x-ray diffraction · 1 distinct chain · 35% helix, 21% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, C, DGroup xv phospholipase A2 (EC 2.3.1.-)protein37635% helix, 21% strandQ8NCC3

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 16 copies · chains A, B, C, D
  • CL · Chloride ion · ion · 4 copies · chains A, B, C, D
  • PO4 · Phosphate ion · ion · 4 copies · chains A, B, C, D
  • MPD · (4S)-2-methyl-2,4-pentanediol · additive · 14 copies · chains A, B, C, D
  • EPE · 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid · additive · 4 copies · chains A, B, C, D

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

Pockets

11 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15370.800.8652MPD
25480.800.8551MPD
36100.770.8351MPD
46730.770.8256MPD
510650.760.7991MPD

Interfaces

5 interfaces between chains.

  • B–D · 340 Ų buried · 4 hydrogen bonds · protein-protein
  • A–C · 336 Ų buried · 4 hydrogen bonds · protein-protein
  • A–D · 320 Ų buried · 8 hydrogen bonds · protein-protein
  • C–D · 296 Ų buried · 6 hydrogen bonds · protein-protein
  • A–B · 294 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 16 glycan, 7 disulfide (N-glycosylation, disulfide).

Compared structures

  • Q8NCC3 · AlphaFold monomer V2.0 prediction for phospholipase A2 group xv (Q8NCC3) · a predicted model of the same protein · chain A against A, TM-score 0.99

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