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MolNFT v1 · #95595 · protein

Crystal structure of SHH1 sawadee domain in complex with H3K9ME3 peptide

4IUR: “Crystal structure of SHH1 sawadee domain in complex with H3K9ME3 peptide”. X-ray diffraction, 2 ligands (CVM, ZN), 3 pockets (best druggability 0.49). MolNFT v1 #95595 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4IUR
Type
protein
Length
274 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
SHH1 sawadee; Histone H3.2, H3(1-15)K9ME3
UniProt
Q9XI47, P59226
Ligands
CVM, ZN
Pockets
3 · best druggability 0.49

Structure

x-ray diffraction · 3 distinct chains · 11% helix, 48% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
BSHH1 sawadeeprotein13312% helix, 48% strandQ9XI47
CHistone H3.2, H3(1-15)K9ME3protein80% helix, 13% strandP59226
ASHH1 sawadeeprotein13310% helix, 50% strandQ9XI47

Ligands and binding sites

  • CVM · Cymal-4 · ligand · 2 copies · chains B, A
  • ZN · Zinc ion · metal · 2 copies · chains B, A

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

Pockets

3 pockets found on a 1 Å grid, 0 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
11450.490.7830empty
21640.420.7423empty
3640.350.7716empty

Interfaces

2 interfaces between chains.

  • B–C · 639 Ų buried · 14 hydrogen bonds · protein-protein
  • B–A · 280 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 1 modified (methylation).

Compared structures

  • 4IUR · crystal structure of SHH1 SAWADEE domain in complex with H3K9me3 peptide · the same entry in another collection · chain B against B, TM-score 1.00
  • Q9XI47 · AlphaFold monomer V2.0 prediction for protein sawadee homeodomain homolog 1 (Q9XI47) · a predicted model of the same protein · chain A against A, TM-score 0.98
  • P59226 · AlphaFold monomer V2.0 prediction for histone H3.2 (P59226) · a predicted model of the same protein · chain C against A, TM-score 0.49

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