SMTL ID : 5m4f.1

Complex structure of human protein kinase CK2 catalytic subunit with the inhibitor 4'-carboxy-6,8-chloro-flavonol (FLC21) crystallized under low-salt conditions

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.52 Å

Oligo State

monomer

Ligands

1 x 7FC: 4-[6,8-bis(chloranyl)-3-oxidanyl-4-oxidanylidene-chromen-2-yl]benzoic acid(Non-covalent)

7FC.1: 13 residues within 4Å: Chain A: L.45, R.47, V.66, K.68, I.95, F.113, E.114, H.115, V.116, N.118, M.163, I.174, D.175 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:V.66, A:V.66, A:F.113, A:F.113, A:F.113, A:I.174, A:I.174, A:I.174 Hydrogen bonds: A:V.116, A:D.175 Water bridges: A:R.47, A:D.175, A:W.176 Salt bridges: A:K.68

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 4 residues within 4Å: Chain A: D.14, V.15, H.18 Ligands: GOL.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.18 GOL.3: 6 residues within 4Å: Chain A: Y.12, T.13, D.14, V.15, H.18 Ligands: GOL.2 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:Y.12, A:T.13, A:T.13, A:D.14, A:D.14, A:D.14, A:H.18 GOL.4: 4 residues within 4Å: Chain A: K.303, E.317, E.320, H.321 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.303, A:K.303

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

CL.5: 3 residues within 4Å: Chain A: R.155, Y.188, N.189 Ligand excluded by PLIP CL.6: 3 residues within 4Å: Chain A: H.148, T.314, A.315 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Niefind, K. et al., Structural Hypervariability of the Two Human Protein Kinase CK2 Catalytic Subunit Paralogs Revealed by Complex Structures with a Flavonol- and a Thieno[2,3-d]pyrimidine-Based Inhibitor. Pharmaceuticals (2017)

Release Date

2017-01-18

Peptides

Casein kinase II subunit alpha: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Casein kinase II subunit alpha

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