SMTL ID : 3lj0.1

IRE1 complexed with ADP and Quercetin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: N.145, D.171 Ligands: ADP.3 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.171 MG.5: 3 residues within 4Å: Chain B: N.145, D.171 Ligands: ADP.7 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.171

2 x SR: STRONTIUM ION(Non-functional Binders)

SR.2: 2 residues within 4Å: Chain A: D.171 Ligands: ADP.3 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.171 SR.6: 2 residues within 4Å: Chain B: D.171 Ligands: ADP.7 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.171

2 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.3: 20 residues within 4Å: Chain A: L.23, G.24, Y.25, G.26, S.27, T.30, V.32, A.43, K.45, I.72, L.88, E.89, C.91, N.94, Q.144, N.145, L.147, D.171 Ligands: MG.1, SR.2 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.27, A:E.89, A:C.91, A:N.94 Salt bridges: A:K.45, A:K.45 ADP.7: 18 residues within 4Å: Chain B: L.23, G.24, Y.25, G.26, S.27, T.30, V.32, A.43, K.45, E.89, C.91, N.94, Q.144, N.145, L.147, D.171 Ligands: MG.5, SR.6 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:S.27, B:S.27, B:T.30, B:E.89, B:C.91, B:N.94 Salt bridges: B:K.45, B:K.45

2 x QUE: 3,5,7,3',4'-PENTAHYDROXYFLAVONE(Non-covalent)

QUE.4: 12 residues within 4Å: Chain A: P.301, S.303, K.304, K.311, I.427, E.430, F.431 Chain B: S.303, E.307, Y.378, P.396 Ligands: QUE.8 10 PLIP interactions: 4 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:E.307, B:P.396, A:K.304, A:K.304 Hydrogen bonds: B:Y.378, B:Y.378, A:S.303, A:K.304, A:K.311 pi-Stacking: A:F.431 QUE.8: 13 residues within 4Å: Chain A: S.303, E.307, Y.378, P.396 Chain B: P.301, S.303, K.304, E.307, K.311, I.427, E.430, F.431 Ligands: QUE.4 10 PLIP interactions: 6 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:K.304, B:K.304, B:E.307, A:E.307, A:P.396 Hydrogen bonds: B:S.303, B:K.311, A:E.307, A:Y.378 pi-Stacking: B:F.431

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wiseman, R.L. et al., Flavonol activation defines an unanticipated ligand-binding site in the kinase-RNase domain of IRE1. Mol.Cell (2010)

Release Date

2010-05-12

Peptides

Serine/threonine-protein kinase/endoribonuclease IRE1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Serine/threonine-protein kinase/endoribonuclease IRE1

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