SMTL ID : 7v3x.4 (3 other biounits)

Crystal Structure of Cyanobacterial Circadian Clock Protein KaiC

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

homo-hexamer

Ligands

10 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 20 residues within 4Å: Chain A: T.290, G.291, T.292, G.293, K.294, T.295, L.296, S.330, W.331, R.451 Chain B: T.432, K.457, M.458, R.459, G.460, S.461, W.462, H.463, K.465 Ligands: MG.3 17 PLIP interactions: 4 interactions with chain B, 13 interactions with chain A Hydrogen bonds: B:G.460, B:H.463, A:A.289, A:G.291, A:G.291, A:T.292, A:G.293, A:G.293, A:K.294, A:T.295, A:L.296, A:R.451 Salt bridges: B:K.457, B:R.459, A:K.294, A:K.294 pi-Stacking: A:W.331 ATP.2: 12 residues within 4Å: Chain A: T.50, G.51, K.52, T.53, L.54, S.89, R.218, I.239, T.240 Chain B: K.224, S.229, H.230 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:H.230, A:G.49, A:K.52, A:T.53, A:T.53, A:T.53, A:L.54, A:R.218 ATP.4: 24 residues within 4Å: Chain B: A.289, T.290, G.291, T.292, G.293, K.294, T.295, L.296, E.318, W.331, T.415, R.451, I.472, S.473 Chain E: T.432, K.457, M.458, R.459, G.460, S.461, W.462, H.463, K.465 Ligands: MG.6 19 PLIP interactions: 7 interactions with chain E, 12 interactions with chain B Hydrogen bonds: E:M.458, E:G.460, E:S.461, E:W.462, E:H.463, B:A.289, B:T.290, B:G.291, B:T.292, B:G.293, B:K.294, B:T.295, B:L.296, B:T.415, B:R.451 Salt bridges: E:K.457, E:R.459, B:K.294, B:K.294 ATP.7: 19 residues within 4Å: Chain C: T.290, G.291, T.292, G.293, K.294, T.295, L.296, S.330, W.331, T.415, R.451, I.472 Chain D: K.457, M.458, R.459, G.460, S.461, W.462, H.463 19 PLIP interactions: 6 interactions with chain D, 13 interactions with chain C Hydrogen bonds: D:M.458, D:G.460, D:S.461, D:H.463, C:G.291, C:T.292, C:T.292, C:T.292, C:G.293, C:K.294, C:T.295, C:T.295, C:L.296, C:T.415, C:R.451 Salt bridges: D:K.457, D:R.459, C:K.294, C:K.294 ATP.8: 16 residues within 4Å: Chain C: G.49, T.50, G.51, K.52, T.53, L.54, S.89, I.239, T.240, D.241 Chain D: K.224, L.225, G.227, T.228, S.229, H.230 15 PLIP interactions: 11 interactions with chain C, 4 interactions with chain D Hydrogen bonds: C:G.49, C:T.50, C:T.50, C:G.51, C:K.52, C:T.53, C:T.53, C:L.54, C:D.241, D:L.225, D:L.225 Salt bridges: C:K.52, C:K.52, D:K.224, D:K.224 ATP.9: 21 residues within 4Å: Chain A: K.457, M.458, G.460, S.461, W.462, H.463 Chain D: A.289, T.290, G.291, T.292, G.293, K.294, T.295, L.296, E.318, S.330, W.331, R.451, I.472, S.473, D.474 17 PLIP interactions: 12 interactions with chain D, 5 interactions with chain A Hydrogen bonds: D:T.290, D:T.290, D:G.291, D:T.292, D:G.293, D:K.294, D:T.295, D:T.295, D:L.296, D:E.318, D:R.451, D:R.451, A:M.458, A:M.458, A:G.460, A:S.461, A:H.463 ATP.10: 13 residues within 4Å: Chain A: G.227, T.228, S.229, H.230 Chain D: T.47, S.48, G.49, T.50, G.51, K.52, T.53, L.54, S.89 15 PLIP interactions: 2 interactions with chain A, 13 interactions with chain D Hydrogen bonds: A:T.228, A:H.230, D:S.48, D:G.49, D:G.49, D:T.50, D:T.50, D:G.51, D:K.52, D:T.53, D:T.53, D:T.53, D:L.54 Salt bridges: D:K.52, D:K.52 ATP.11: 22 residues within 4Å: Chain E: T.290, G.291, T.292, G.293, K.294, T.295, L.296, E.318, W.331, T.415, R.451, I.472, S.473 Chain F: K.457, M.458, R.459, G.460, S.461, W.462, H.463, K.465 Ligands: MG.13 20 PLIP interactions: 15 interactions with chain E, 5 interactions with chain F Hydrogen bonds: E:G.291, E:T.292, E:G.293, E:K.294, E:T.295, E:L.296, E:E.318, E:T.415, E:R.451, E:R.451, E:D.474, F:M.458, F:H.463, F:K.465 Water bridges: E:K.294, E:T.295 Salt bridges: E:K.294, E:K.294, F:K.457, F:R.459 ATP.12: 18 residues within 4Å: Chain E: T.47, S.48, G.49, T.50, G.51, K.52, T.53, L.54, S.89, R.218, I.239, D.241 Chain F: F.199, K.224, L.225, T.228, S.229, H.230 16 PLIP interactions: 13 interactions with chain E, 3 interactions with chain F Hydrogen bonds: E:T.47, E:G.49, E:G.49, E:T.50, E:G.51, E:K.52, E:T.53, E:T.53, E:L.54, E:R.218, E:D.241, F:L.225, F:L.225, F:T.228 Salt bridges: E:K.52, E:K.52 ATP.15: 22 residues within 4Å: Chain C: F.199, L.223, K.224, L.225, R.226, G.227, T.228, S.229, H.230 Chain F: S.48, G.49, T.50, G.51, K.52, T.53, L.54, S.89, F.90, R.218, I.239, T.240, D.241 16 PLIP interactions: 6 interactions with chain C, 10 interactions with chain F Hydrogen bonds: C:F.199, C:L.225, C:G.227, C:H.230, F:G.49, F:G.49, F:T.50, F:G.51, F:K.52, F:T.53, F:T.53, F:L.54, F:S.89, F:R.218 Salt bridges: C:K.224, C:R.226

3 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: T.295 Ligands: ATP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.295 MG.6: 5 residues within 4Å: Chain B: T.295, E.318, E.319 Chain E: R.459 Ligands: ATP.4 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.295 MG.13: 4 residues within 4Å: Chain E: T.295, E.318, D.378 Ligands: ATP.11 4 PLIP interactions: 2 interactions with chain E, 2 Ligand-Water interactions Metal complexes: E:T.295, E:E.318, H2O.1, H2O.1

2 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.5: 12 residues within 4Å: Chain B: T.47, G.49, T.50, G.51, K.52, T.53, L.54, S.89, T.240 Chain E: L.223, L.225, R.226 9 PLIP interactions: 2 interactions with chain E, 7 interactions with chain B Hydrogen bonds: E:L.223, E:L.225, B:G.49, B:T.50, B:G.51, B:K.52, B:T.53, B:T.53, B:L.54 ADP.14: 21 residues within 4Å: Chain C: K.457, M.458, G.460, S.461, W.462, H.463, K.465 Chain F: A.289, G.291, T.292, G.293, K.294, T.295, L.296, E.319, S.330, W.331, R.451, I.472, S.473, D.474 17 PLIP interactions: 13 interactions with chain F, 4 interactions with chain C Hydrogen bonds: F:A.289, F:G.291, F:T.292, F:T.292, F:G.293, F:G.293, F:K.294, F:T.295, F:L.296, F:S.330, F:R.451, F:R.451, C:M.458, C:G.460, C:S.461, C:H.463 Salt bridges: F:K.294

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Furuike, Y. et al., Elucidation of master allostery essential for circadian clock oscillation in cyanobacteria. Sci Adv (2022)

Release Date

2022-04-27

Peptides

Circadian clock protein kinase KaiC: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
T

B
U

C
X

D
S

E
V

F
W

Circadian clock protein kinase KaiC

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