GL1X · GenesisL1 explorer

Research workbench

Complex of high-affinity sirp alpha variant FD6 with CD47

Analyse Complex of high-affinity sirp alpha variant FD6 with CD47 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4KJY
Type
protein
Length
458 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Leukocyte surface antigen CD47; High-affinity sirpa variant FD6
UniProt
Q08722
Ligands
NAG, SO4
Pockets
3 · best druggability 0.62

Structure

x-ray diffraction · 3 distinct chains · 6% helix, 42% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CLeukocyte surface antigen CD47protein11412% helix, 46% strandQ08722
BHigh-affinity sirpa variant FD6protein1143% helix, 40% strand—
DHigh-affinity sirpa variant FD6protein1163% helix, 41% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 8 copies · chains A, C
  • SO4 · Sulfate ion · ion · 3 copies · chains A, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15730.620.7459SO4
2700.320.7519empty
3650.280.7318empty

Interfaces

4 interfaces between chains.

  • A–B · 943 Ų buried · 22 hydrogen bonds · protein-protein
  • C–D · 937 Ų buried · 21 hydrogen bonds · protein-protein
  • B–D · 281 Ų buried · 4 hydrogen bonds · protein-protein
  • A–D · 175 Ų buried · 4 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 glycan, 4 disulfide, 2 modified (N-glycosylation, disulfide, cyclization).

Compared structures

  • 4KJY · Complex of high-affinity SIRP alpha variant FD6 with CD47 · the same entry in another collection · chain A against A, TM-score 1.00
  • Q08722 · AlphaFold monomer V2.0 prediction for leukocyte surface antigen CD47 (Q08722) · a predicted model of the same protein · chain C against A, TM-score 0.99

Analyse

GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.