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4BY5

Crystal structure of Drosophila Frq2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
FI18190P1polymer18721922.44UniProt (Q9VWX8)
Pfam (PF00036)
Pfam (PF13499)
DROSOPHILA MELANOGASTER (FRUIT FLY)FREQUENIN, FREQUENIN 2
2E, F, G, H, I...
(A, B, C, D)
CALCIUM IONnon-polymer40.112Chemie (CA)
3K
(B)
SODIUM IONnon-polymer23.01Chemie (NA)
4R, S, T, U
(A, B, C, D)
waterwater18.0227Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 187 (UniProt: Q9VWX8)
PDBExternal DatabaseDetails
Met 178Ile 178engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight87689.8
Non-Polymers*Number of molecules13
Total formula weight503.9
All*Total formula weight88193.7
*Water molecules are not included.

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PDB entries from 2025-12-17

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