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3R3K

Crystal structure of a parallel 6-helix coiled coil

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
CChex-Phi22 helixpolymer343477.93
2D, J
(A, C)
CHLORIDE IONnon-polymer35.52Chemie (CL)
3E, G, H, K
(B, C)
SODIUM IONnon-polymer23.04Chemie (NA)
4F, I
(B, C)
1,2-ETHANEDIOLnon-polymer62.12Chemie (EDO)
5L, M, N
(A, B, C)
waterwater18.071Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight10433.7
Non-Polymers*Number of molecules8
Total formula weight287.0
All*Total formula weight10720.7
*Water molecules are not included.

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PDB entries from 2025-06-11

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