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MolNFT v1 · #59910 · protein

H-2DB complex with human GP100

3CC5 · H-2 class I histocompatibility antigen, D-B alpha chain: “H-2DB complex with human GP100”. X-ray diffraction, 1 ligand (SO4), 10 pockets (best druggability 0.69). MolNFT v1 #59910 on GenesisL1: 3D structure, binding sites and…

PDB
3CC5
Type
protein
Length
768 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
H-2 class I histocompatibility antigen, D-B alpha chain; Beta-2-microglobulin; Nonameric…
UniProt
P01899, P01887, P40967
Ligands
SO4
Pockets
10 · best druggability 0.69

Structure

x-ray diffraction · 3 distinct chains · 20% helix, 41% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, DH-2 class I histocompatibility antigen, D-B alpha chainprotein27627% helix, 39% strandP01899
B, EBeta-2-microglobulinprotein990% helix, 49% strandP01887
C, FNonameric peptide from melanocyte protein pmel 17protein90% helix, 0% strandP40967

Ligands and binding sites

  • SO4 · Sulfate ion · ion · 3 copies · chains A, C, D
  • GOL · Glycerol · additive · 6 copies · chains A, B, D, E

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

Pockets

10 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17760.690.7666GOL
26750.660.7561GOL
31610.450.7531empty
4930.440.7915empty
5900.430.7916empty

Interfaces

5 interfaces between chains.

  • D–E · 1222 Ų buried · 23 hydrogen bonds · protein-protein
  • A–B · 1217 Ų buried · 22 hydrogen bonds · protein-protein
  • D–F · 1016 Ų buried · 26 hydrogen bonds · protein-protein
  • A–C · 1015 Ų buried · 25 hydrogen bonds · protein-protein
  • A–D · 654 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 disulfide (disulfide).

Compared structures

  • 3CC5 · H-2Db complex with human gp100 · the same entry in another collection · chain F against F, TM-score 1.00
  • P01887 · AlphaFold monomer V2.0 prediction for beta-2-microglobulin (P01887) · a predicted model of the same protein · chain E against A, TM-score 0.98
  • P40967 · AlphaFold monomer V2.0 prediction for melanocyte protein pmel (P40967) · a predicted model of the same protein · chain C against A, TM-score 0.50

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