SMTL ID : 7avq.1

Crystal structure of haspin in complex with disubstituted imidazo[1,2- b]pyridazine inhibitor (compound 12)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

monomer

Ligands

1 x S1Z: (2~{R})-2-[[3-(2~{H}-indazol-5-yl)imidazo[1,2-b]pyridazin-6-yl]amino]butan-1-ol(Non-covalent)

S1Z.1: 17 residues within 4Å: Chain A: I.49, G.50, E.51, F.54, V.57, A.68, K.70, I.116, F.164, E.165, F.166, G.167, D.170, G.212, L.215, I.245, D.246 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:I.49, A:I.49, A:F.54, A:V.57, A:A.68, A:F.164, A:F.164, A:L.215, A:L.215, A:I.245, A:I.245 Hydrogen bonds: A:G.167, A:D.170 Water bridges: A:E.51, A:E.51

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

NA.2: 4 residues within 4Å: Chain A: E.113, F.115, V.242, S.243 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.243

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 9 residues within 4Å: Chain A: T.112, E.113, G.114, Q.190, S.194, L.224, H.225, Y.226, Q.241 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.112, A:E.113, A:G.114, A:Q.190, A:S.194, A:Q.241 GOL.4: 7 residues within 4Å: Chain A: Y.226, L.228, K.231, S.232, S.233, L.350, C.351 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.232 Water bridges: A:S.233, A:L.350

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.5: 5 residues within 4Å: Chain A: I.96, L.252, R.254, I.257, V.259 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.96, A:L.252, A:I.257, A:V.259

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Elie, J. et al., Design of new disubstituted imidazo[1,2- b ]pyridazine derivatives as selective Haspin inhibitors. Synthesis, binding mode and anticancer biological evaluation. J Enzyme Inhib Med Chem (2020)

Release Date

2020-11-18

Peptides

Serine/threonine-protein kinase haspin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Serine/threonine-protein kinase haspin

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