SMTL ID : 3t9t.1

Crystal structure of BTK mutant (F435T,K596R) complexed with Imidazo[1,5-a]quinoxaline

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

monomer

Ligands

1 x IAQ: (2Z)-4-(dimethylamino)-N-{7-fluoro-4-[(2-methylphenyl)amino]imidazo[1,5-a]quinoxalin-8-yl}-N-methylbut-2-enamide(Non-covalent)

IAQ.1: 19 residues within 4Å: Chain A: I.16, G.17, S.18, G.19, V.24, A.36, K.38, L.80, T.82, E.83, F.84, M.85, G.88, C.89, D.92, L.136, S.146, D.147 Ligands: GOL.2 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.16, A:V.24, A:A.36, A:L.80, A:T.82 Hydrogen bonds: A:T.82, A:M.85 Water bridges: A:C.89 Salt bridges: A:D.92 pi-Cation interactions: A:K.38

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 8 residues within 4Å: Chain A: G.19, Q.20, K.38, C.89, R.133, S.146, D.147 Ligands: IAQ.1 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Q.20, A:K.38, A:K.38, A:R.133, A:S.146, A:S.146 GOL.3: 2 residues within 4Å: Chain A: R.128, T.160 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.128, A:T.160

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kim, K.H. et al., Imidazo[1,5-a]quinoxalines as irreversible BTK inhibitors for the treatment of rheumatoid arthritis. Bioorg.Med.Chem.Lett. (2011)

Release Date

2011-10-12

Peptides

Tyrosine-protein kinase ITK/TSK: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Tyrosine-protein kinase ITK/TSK