SMTL ID : 7akm.2 (1 other biounit)

Crystal structure of CHK1 kinase domain in complex with ATPyS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

monomer

Ligands

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

EDO.1: 4 residues within 4Å: Chain A: K.264, D.265, R.266, N.269 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.266, A:R.266, A:R.266 EDO.2: 2 residues within 4Å: Chain A: E.100, I.103 No protein-ligand interaction detected (PLIP) EDO.3: 9 residues within 4Å: Chain A: F.96, K.135, P.136, E.137, T.173, P.175, Y.176, L.209 Ligands: EDO.4 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.137, A:Y.176 Water bridges: A:E.137 EDO.4: 4 residues within 4Å: Chain A: K.135, E.137, T.173 Ligands: EDO.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.135, A:E.137 Water bridges: A:T.173 EDO.5: 4 residues within 4Å: Chain A: L.174, P.175, D.212, Q.213 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.213

1 x CIT: CITRIC ACID(Non-functional Binders)

CIT.6: 6 residues within 4Å: Chain A: R.132, T.156, R.165, L.167, N.168, K.169 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:T.156, A:K.169 Hydrogen bonds: A:R.165, A:N.168, A:K.169 Water bridges: A:R.132, A:T.156, A:R.165 Salt bridges: A:R.132, A:R.165, A:K.169

1 x MG: MAGNESIUM ION(Non-covalent)

MG.7: 2 residues within 4Å: Chain A: K.41, D.151 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.151, H2O.2, H2O.6, H2O.6

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Day, M. et al., Structural basis for recruitment of the CHK1 DNA damage kinase by the CLASPIN scaffold protein. Structure (2021)

Release Date

2021-04-14

Peptides

Serine/threonine-protein kinase Chk1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Serine/threonine-protein kinase Chk1

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