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Structure of SARS-cov-2 spike rbd in complex with cyclic peptide

Analyse Structure of SARS-cov-2 spike rbd in complex with cyclic peptide in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7L4Z
Type
protein
Length
1,079 residues
Chains
10
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike protein S1; ACE-dty-lys-ala-gly-val-val-tyr-gly-tyr-asn-ala-TRP-ile- arg-cys-NH2
UniProt
P0DTC2
Ligands
ACE, NAG, NH2
Pockets
10 · best druggability 0.72

Structure

x-ray diffraction · 5 distinct chains · 14% helix, 28% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
B, ASpike protein S1protein19917% helix, 27% strandP0DTC2
DSpike protein S1protein20314% helix, 27% strandP0DTC2
CSpike protein S1protein20212% helix, 29% strandP0DTC2
ESpike protein S1protein20112% helix, 28% strandP0DTC2
S, T, R, U, VACE-dty-lys-ala-gly-val-val-tyr-gly-tyr-asn-ala-TRP-ile- arg-cys-NH2protein1540% helix, 20% strand—

Ligands and binding sites

  • ACE · Acetyl group · ligand · 5 copies · chains B, S, D, T, A, R, U, V
  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 7 copies · chains B, S, D, T, A, R, C, E
  • NH2 · Amino group · ion · 5 copies · chains B, S, T, A, R, U, V

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

Pockets

10 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
1760.720.9622empty
23630.720.8336empty
34520.650.7835empty
41330.540.8127empty
51440.420.7536empty

Interfaces

7 interfaces between chains.

  • A–R · 893 Ų buried · 11 hydrogen bonds · protein-protein
  • B–S · 888 Ų buried · 11 hydrogen bonds · protein-protein
  • B–D · 809 Ų buried · 4 hydrogen bonds · protein-protein
  • A–E · 784 Ų buried · 7 hydrogen bonds · protein-protein
  • D–T · 761 Ų buried · 12 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 20 disulfide, 10 covalent, 7 glycan, 5 d-amino (disulfide, covalent ligand, N-glycosylation, D-amino acid).

Compared structures

  • 7L4Z · Structure of SARS-CoV-2 spike RBD in complex with cyclic peptide · the same entry in another collection · chain V against V, TM-score 1.00

Analyse

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