SMTL ID : 3kb7.1

Crystal structure of Polo-like kinase 1 in complex with a pyrazoloquinazoline inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x 071: 8-{[2-methoxy-5-(4-methylpiperazin-1-yl)phenyl]amino}-1-methyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide(Non-covalent)

071.1: 16 residues within 4Å: Chain A: L.25, G.26, C.33, A.46, K.48, L.96, E.97, L.98, C.99, R.100, R.102, S.103, E.106, G.146, F.149, D.160 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:A.46, A:L.96, A:R.102, A:F.149, A:F.149 Hydrogen bonds: A:C.99, A:C.99, A:D.160, A:D.160, A:D.160 Salt bridges: A:E.106 071.4: 16 residues within 4Å: Chain B: L.25, G.26, C.33, A.46, K.48, L.96, E.97, L.98, C.99, R.100, R.102, S.103, E.106, G.146, F.149, D.160 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:A.46, B:L.96, B:R.102, B:F.149, B:F.149 Hydrogen bonds: B:C.99, B:C.99, B:D.160, B:D.160 Salt bridges: B:E.106

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.59, C.178 Chain B: C.221, L.222 Ligands: TLA.3 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.59, A:C.178, B:C.221 ZN.5: 5 residues within 4Å: Chain A: C.221, L.222 Chain B: H.59, C.178 Ligands: TLA.6 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Metal complexes: B:H.59, B:C.178, A:C.221

2 x TLA: L(+)-TARTARIC ACID(Non-covalent)

TLA.3: 9 residues within 4Å: Chain A: K.57, H.59, Q.60, K.63, C.178 Chain B: S.220, C.221, L.222 Ligands: ZN.2 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Q.60, B:L.222 Salt bridges: A:K.57, A:H.59, A:K.63 TLA.6: 9 residues within 4Å: Chain A: S.220, C.221, L.222 Chain B: K.57, H.59, Q.60, K.63, C.178 Ligands: ZN.5 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.60, A:L.222 Salt bridges: B:K.57, B:H.59, B:K.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Beria, I. et al., Identification of 4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline derivatives as a new class of orally and selective Polo-like kinase 1 inhibitors. J.Med.Chem. (2010)

Release Date

2010-05-19

Peptides

Serine/threonine-protein kinase PLK1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Serine/threonine-protein kinase PLK1

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