SMTL ID : 3qu6.1 (2 other biounits)

Crystal structure of IRF-3 DBD free form

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: Q.58, E.62 Ligands: CL.10 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.62, A:E.62 ZN.2: 3 residues within 4Å: Chain A: V.16, D.20 Ligands: CL.6 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.20, H2O.2 ZN.3: 3 residues within 4Å: Chain A: D.102, H.104 Ligands: CL.7 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.102, A:D.102, A:H.104 ZN.4: 4 residues within 4Å: Chain A: E.97, R.99, H.107, I.109 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.97, A:E.97, A:H.107

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.5: 4 residues within 4Å: Chain A: R.99, D.102, D.105, H.107 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain A: D.20 Ligands: ZN.2 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain A: R.99, D.102, H.104 Ligands: ZN.3 Ligand excluded by PLIP CL.10: 5 residues within 4Å: Chain A: F.54, Q.58, A.59, E.62 Ligands: ZN.1 Ligand excluded by PLIP

2 x NA: SODIUM ION(Non-functional Binders)

NA.8: 2 residues within 4Å: Chain A: G.26, A.28 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.26 Water bridges: A:L.24, A:V.27 NA.9: 5 residues within 4Å: Chain A: D.53, G.55, F.57, Q.58, L.76 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.53, A:G.55, A:G.55, A:F.57, A:Q.58 Water bridges: A:F.54

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

De Ioannes, P. et al., Structures of apo IRF-3 and IRF-7 DNA binding domains: effect of loop L1 on DNA binding. Nucleic Acids Res. (2011)

Release Date

2011-06-01

Peptides

IRF3 protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

IRF3 protein

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