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Cryoem structure of kdelr with legobody

Analyse Cryoem structure of kdelr with legobody in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7RXC
Type
protein
Length
1,178 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
FAB_8D3_2 heavy chain; FAB_8D3_2 light chain; NB_KR; Maltodextrin-binding…
UniProt
A0A4Z0THX4, P99134, P06654, Q5ZKX9
Ligands
POV, GLC
Pockets
11 · best druggability 0.78

Structure

electron microscopy · 5 distinct chains · 32% helix, 31% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
HFAB_8D3_2 heavy chainprotein2074% helix, 51% strand—
LFAB_8D3_2 light chainprotein2047% helix, 52% strand—
NNB_KRprotein1262% helix, 52% strand—
BMaltodextrin-binding PROTEIN,IMMUNOGLOBULIN G-binding protein A,IMMUNOGLOBULIN G-binding protein Gprotein43946% helix, 19% strandA0A4Z0THX4, P99134, P06654
KEr lumen protein-retaining receptor 2protein20276% helix, 0% strandQ5ZKX9

Ligands and binding sites

  • POV · (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate · ligand · 4 copies · chains K
  • GLC · alpha-D-glucopyranose · sugar · 2 copies · chains B

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

Pockets

11 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
11490.780.9524empty
23080.750.8728GLC
32000.630.8439empty
45930.610.7466empty
5580.570.9018empty

Interfaces

7 interfaces between chains.

  • H–L · 1710 Ų buried · 17 hydrogen bonds · protein-protein
  • N–K · 1254 Ų buried · 12 hydrogen bonds · protein-protein
  • H–B · 654 Ų buried · 12 hydrogen bonds · protein-protein
  • N–B · 611 Ų buried · 9 hydrogen bonds · protein-protein
  • L–N · 589 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 5 disulfide (disulfide).

Compared structures

  • 7RXC · CryoEM structure of KDELR with Legobody · the same entry in another collection · chain K against K, TM-score 1.00
  • Q5ZKX9 · AlphaFold monomer V2.0 prediction for er lumen protein-retaining receptor 2 (Q5ZKX9) · a predicted model of the same protein · chain K against A, TM-score 0.93
  • P06654 · AlphaFold monomer V2.0 prediction for immunoglobulin G-binding protein G (P06654) · a predicted model of the same protein · chain B against A, TM-score 0.18
  • P99134 · AlphaFold monomer V2.0 prediction for immunoglobulin G-binding protein a (P99134) · a predicted model of the same protein · chain B against A, TM-score 0.18

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