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The complex between TCR JKF6 and human class I MHC HLA-A2 presenting the mart-1(27-35)(A27L) peptide

Analyse The complex between TCR JKF6 and human class I MHC HLA-A2 presenting the… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4EUP
Type
protein
Length
1,633 residues
Chains
10
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
HLA class I histocompatibility antigen, a-2 alpha chain; Beta-2-microglobulin; Melanoma…
UniProt
P01892, P61769, Q16655
Pockets
20 · best druggability 0.78

Structure

x-ray diffraction · 7 distinct chains · 14% helix, 45% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
DHLA class I histocompatibility antigen, a-2 alpha chainprotein26528% helix, 38% strandP01892
E, BBeta-2-microglobulinprotein1000% helix, 51% strandP61769
F, CMelanoma antigen recognized by T-cells 1protein90% helix, 11% strandQ16655
HJKF6 beta chainprotein2417% helix, 51% strand—
AHLA class I histocompatibility antigen, a-2 alpha chainprotein26727% helix, 39% strandP01892
G, IJKF6 alpha chainprotein2011% helix, 45% strand—
JJKF6 beta chainprotein2408% helix, 52% strand—

Pockets

20 pockets found on a 1 Å grid, 8 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19270.780.8095empty
210900.710.7587empty
32790.690.8437empty
41980.680.8635empty
55120.660.7849empty

Interfaces

17 interfaces between chains.

  • H–G · 2116 Ų buried · 24 hydrogen bonds · protein-protein
  • I–J · 2068 Ų buried · 23 hydrogen bonds · protein-protein
  • A–B · 1445 Ų buried · 20 hydrogen bonds · protein-protein
  • D–E · 1435 Ų buried · 19 hydrogen bonds · protein-protein
  • A–C · 847 Ų buried · 11 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 16 disulfide (disulfide).

Compared structures

  • 4EUP · The complex between TCR JKF6 and human Class I MHC HLA-A2 presenting the… · the same entry in another collection · chain J against J, TM-score 1.00
  • P61769 · AlphaFold monomer V2.0 prediction for beta-2-microglobulin (P61769) · a predicted model of the same protein · chain E against A, TM-score 0.98

Analyse

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