SMTL ID : 4bda.1

Fragment-based screening identifies a new area for inhibitor binding to checkpoint kinase 2 (CHK2)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.1: 5 residues within 4Å: Chain A: L.173, G.201, Y.202, N.203, R.204 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.203, A:N.203, A:R.204, A:R.204, A:R.204

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

EDO.2: 4 residues within 4Å: Chain A: K.76, I.86, K.87, N.88 2 PLIP interactions: 2 interactions with chain A Water bridges: A:N.88, A:F.89 EDO.5: 3 residues within 4Å: Chain A: E.138, N.139, G.140 1 PLIP interactions: 1 interactions with chain A Water bridges: A:E.138 EDO.6: 4 residues within 4Å: Chain A: E.17, N.88, F.89, F.90 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.88, A:F.89 Water bridges: A:F.89 EDO.7: 2 residues within 4Å: Chain A: R.144, V.206 No protein-ligand interaction detected (PLIP) EDO.8: 6 residues within 4Å: Chain A: K.263, F.273, E.277, R.280, H.281, P.282 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.263, A:K.263, A:R.280 EDO.9: 4 residues within 4Å: Chain A: Y.127, L.131, F.293, Q.294 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.127, A:Y.127, A:Q.294 EDO.10: 8 residues within 4Å: Chain A: K.47, E.71, L.75, I.84, L.99, T.165, D.166, F.167 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.166, A:F.167

1 x VFB: 3,4-dihydro[1,2,4]triazolo[1,5-a][3,1]benzimidazol-9-ium(Non-covalent)

VFB.3: 9 residues within 4Å: Chain A: L.24, V.32, A.45, E.100, L.101, M.102, G.105, E.106, L.152 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.24 Hydrogen bonds: A:E.100, A:M.102, A:M.102

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 2 residues within 4Å: Chain A: V.9, Y.10 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Silva-Santisteban, M.C. et al., Fragment-Based Screening Maps Inhibitor Interactions in the ATP-Binding Site of Checkpoint Kinase 2. Plos One (2013)

Release Date

2013-06-26

Peptides

SERINE/THREONINE-PROTEIN KINASE CHK2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

SERINE/THREONINE-PROTEIN KINASE CHK2

Related Entries With Identical Sequence