SMTL ID : 4u6r.1

Crystal structure of human IRE1 cytoplasmic domains in complex with a sulfonamide inhibitor.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

monomer

Ligands

1 x 3E4: N-{4-[(3-{2-[(trans-4-aminocyclohexyl)amino]pyrimidin-4-yl}pyridin-2-yl)oxy]-3-methylnaphthalen-1-yl}-2-chlorobenzenesulfonamide(Non-covalent)

3E4.1: 19 residues within 4Å: Chain A: L.55, V.64, A.75, K.77, E.90, L.94, Y.106, I.118, I.120, E.121, C.123, A.124, A.125, E.129, L.173, S.188, D.189, F.190, G.191 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:L.55, A:V.64, A:V.64, A:A.75, A:K.77, A:L.94, A:Y.106, A:I.118, A:I.120, A:I.120, A:I.120, A:L.173, A:D.189, A:F.190 Hydrogen bonds: A:K.77, A:K.77, A:C.123, A:C.123, A:D.189, A:F.190, A:G.191

5 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: S.269, L.270, D.271, R.284 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:L.270, A:D.271 Water bridges: A:R.284 Salt bridges: A:R.284 SO4.3: 2 residues within 4Å: Chain A: K.315, P.437 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.315 SO4.4: 2 residues within 4Å: Chain A: R.72, R.105 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.72, A:R.105 SO4.5: 3 residues within 4Å: Chain A: R.200, H.201, S.202 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:H.201, A:H.201, A:S.202, A:S.202 Salt bridges: A:R.200 SO4.6: 5 residues within 4Å: Chain A: E.341, R.342, G.343, G.344, R.345 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:G.343, A:G.344, A:R.345 Water bridges: A:A.346 Salt bridges: A:R.345

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.7: 2 residues within 4Å: Chain A: L.139, E.142 2 PLIP interactions: 2 interactions with chain A Water bridges: A:E.142, A:E.142

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.8: 6 residues within 4Å: Chain A: H.158, S.159, N.161, Y.231, T.232, S.300 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.159 Water bridges: A:A.301

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Harrington, P.E. et al., Unfolded Protein Response in Cancer: IRE1 alpha Inhibition by Selective Kinase Ligands Does Not Impair Tumor Cell Viability. Acs Med.Chem.Lett. (2015)

Release Date

2014-10-08

Peptides

Serine/threonine-protein kinase/endoribonuclease IRE1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Serine/threonine-protein kinase/endoribonuclease IRE1