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1SY9

Structure of calmodulin complexed with a fragment of the olfactory CNG channel

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
CALMODULINpolymer14816721.31UniProt (P62155)
Pfam (PF13499)
UniProt (by SIFTS) (P0DP33)
Xenopus laevis (African clawed frog)
2B
(B)
Cyclic-nucleotide-gated olfactory channelpolymer263269.81UniProt (Q03041)Cyclic-nucleotide-gated cation channel 2, CNG channel 2, CNG-2, CNG2
3C, D, E, F
(A)
CALCIUM IONnon-polymer40.14Chemie (CA)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight19991.2
Non-Polymers*Number of molecules4
Total formula weight160.3
All*Total formula weight20151.5
*Water molecules are not included.

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PDB entries from 2025-06-11

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