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MolNFT v1 · #93851 · protein + DNA

Crystal structure of E43A iscr mutant bound to its promoter

4HF2 · Hth-type transcriptional regulator iscr: “Crystal structure of E43A iscr mutant bound to its promoter”. X-ray diffraction, 2 pockets (best druggability 0.66). MolNFT v1 #93851 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
4HF2
Type
protein + DNA
Length
294 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hth-type transcriptional regulator iscr; DNA (29-mer)
UniProt
P0AGK8
Pockets
2 · best druggability 0.66

Structure

x-ray diffraction · 4 distinct chains · 58% helix, 9% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AHth-type transcriptional regulator iscrprotein11558% helix, 10% strandP0AGK8
BHth-type transcriptional regulator iscrprotein12157% helix, 8% strandP0AGK8
CDNA (29-mer)dna29——
DDNA (29-mer)dna29——

Pockets

2 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15560.660.7762empty
22130.550.7935empty

Interfaces

6 interfaces between chains.

  • A–B · 1469 Ų buried · 10 hydrogen bonds · protein-protein
  • C–D · 1277 Ų buried · 152 hydrogen bonds · nucleic-nucleic
  • A–C · 552 Ų buried · 12 hydrogen bonds · protein-nucleic
  • B–D · 539 Ų buried · 10 hydrogen bonds · protein-nucleic
  • B–C · 464 Ų buried · 7 hydrogen bonds · protein-nucleic

Compared structures

  • 4HF2 · Crystal Structure of E43A IscR mutant bound to its promoter · the same entry in another collection · chain B against B, TM-score 1.00
  • P0AGK8 · AlphaFold monomer V2.0 prediction for hth-type transcriptional regulator iscr (P0AGK8) · a predicted model of the same protein · chain A against A, TM-score 0.94

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