GL1X · GenesisL1 explorer

Research workbench

Crystal structure of CD4M33, a scorpion-toxin mimic of CD4, in complex with HIV-1 YU2 GP120 envelope glycoprotein and anti-HIV-1 antibody 17B

Analyse Crystal structure of CD4M33, a scorpion-toxin mimic of CD4, in complex with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1YYL
Type
protein
Length
1,540 residues
Chains
8
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Exterior membrane GLYCOPROTEIN(GP120),EXTERIOR membrane GLYCOPROTEIN(GP120),EXTERIOR…
UniProt
P35961
Ligands
MPT, NAG
Pockets
20 · best druggability 0.70

Structure

x-ray diffraction · 4 distinct chains · 11% helix, 45% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
G, PExterior membrane GLYCOPROTEIN(GP120),EXTERIOR membrane GLYCOPROTEIN(GP120),EXTERIOR membrane GLYCOPROTEIN(GP120)protein30117% helix, 38% strandP35961
L, QAntibody 17B light chainprotein2145% helix, 50% strand—
H, RAntibody 17B heavy chainprotein2298% helix, 49% strand—
M, SCD4M33, scorpion-toxin mimic of CD4protein2635% helix, 31% strand—

Ligands and binding sites

  • MPT · Beta-mercaptopropionic acid · ligand · 2 copies · chains G, M, P, S
  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 16 copies · chains G, P

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
1550.700.9825empty
22760.660.8228NAG
33200.650.8031NAG
41850.640.8431empty
55220.620.7563empty

Interfaces

9 interfaces between chains.

  • L–H · 1914 Ų buried · 14 hydrogen bonds · protein-protein
  • Q–R · 1870 Ų buried · 10 hydrogen bonds · protein-protein
  • H–R · 763 Ų buried · 12 hydrogen bonds · protein-protein
  • P–S · 668 Ų buried · 8 hydrogen bonds · protein-protein
  • G–M · 635 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 26 disulfide, 16 glycan, 4 covalent, 4 modified (disulfide, N-glycosylation, covalent ligand, nonstandard).

Compared structures

  • 1YYL · crystal structure of CD4M33, a scorpion-toxin mimic of CD4, in complex with HIV-1 YU2… · the same entry in another collection · chain Q against Q, TM-score 1.00

Analyse

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