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4AQR

Crystal structure of calmodulin in complex with the regulatory domain of a plasma-membrane Ca2+-ATPase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
CALMODULIN-7polymer14916863.62UniProt (P59220)
Pfam (PF13499)
ARABIDOPSIS THALIANACALMODULIN, CAM-7
2C
(D)
CALCIUM-TRANSPORTING ATPASE 8, PLASMA MEMBRANE-TYPEpolymer576916.11UniProt (Q9LF79)
Pfam (PF12515)
ARABIDOPSIS THALIANACA(2+)-ATPASE ISOFORM 8
3D, E, F, G, H...
(A, B)
CALCIUM IONnon-polymer40.18Chemie (CA)
PubChem (271)
4L, M, N
(A, B, D)
waterwater18.0176Chemie (HOH)
Sequence modifications
D: 40 - 95 (UniProt: Q9LF79)
PDBExternal DatabaseDetails
Ser 39-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight40643.3
Non-Polymers*Number of molecules8
Total formula weight320.6
All*Total formula weight40963.9
*Water molecules are not included.

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PDB entries from 2026-04-08

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