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7X1Z

Structure of the phosphorylation-site double mutant S431E/T432E of the KaiC circadian clock protein

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, C, D, E...)
Circadian clock oscillator protein KaiCpolymer48454347.76UniProt (Q79PF4)
Pfam (PF06745)
Synechococcus elongatus
2AA, BA, G, H, K...
(F, A, B, C, D...)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.212Chemie (ATP)
3CA, DA, I, J, M...
(F, A, B, C, D...)
MAGNESIUM IONnon-polymer24.312Chemie (MG)
Sequence modifications
A, B, C, D, E, F: 14 - 497 (UniProt: Q79PF4)
PDBExternal DatabaseDetails
Glu 431Ser 431engineered mutation
Glu 432Thr 432engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight326086.0
Non-Polymers*Number of molecules24
Total formula weight6377.8
All*Total formula weight332463.8
*Water molecules are not included.

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PDB entries from 2025-06-25

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