SMTL ID : 7akm.1 (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

1 x AGS: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER(Non-covalent)

AGS.1: 23 residues within 4Å: Chain A: L.18, G.19, E.20, G.21, A.22, Y.23, G.24, V.26, A.39, K.41, V.71, L.87, E.88, Y.89, C.90, E.94, E.137, N.138, L.140, S.150, D.151 Ligands: MG.2, MG.3 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:A.22, A:Y.23, A:G.24, A:E.88, A:C.90, A:E.94, A:E.94 Water bridges: A:K.41, A:K.41, A:K.41, A:K.41, A:N.138 Salt bridges: A:K.41

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: N.138, D.151 Ligands: AGS.1, MG.3 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.151, H2O.2 MG.3: 3 residues within 4Å: Chain A: D.151 Ligands: AGS.1, MG.2 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.151, H2O.1, H2O.2, H2O.6

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

EDO.4: 4 residues within 4Å: Chain A: F.158, R.159, E.164, E.190 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.159, A:R.159, A:E.190 Water bridges: A:E.164 EDO.5: 5 residues within 4Å: Chain A: K.57, R.132, T.156, L.167, K.169 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.132, A:R.132, A:K.169 EDO.6: 7 residues within 4Å: Chain A: G.126, I.127, G.128, R.159, Y.160, N.161, N.162 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.126, A:R.159, A:N.162 EDO.7: 9 residues within 4Å: Chain A: F.96, I.99, P.101, P.136, Y.176, A.203, G.207, E.208, L.209 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.176 Water bridges: A:Y.176

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
A

Serine/threonine-protein kinase Chk1

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