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1WPG

Crystal structure of the SR CA2+-ATPase with MGF4

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1polymer994109602.64UniProt (P04191)
Pfam (PF00690)
Pfam (PF00122)
Pfam (PF13246)
Pfam (PF00702)
Pfam (PF00689)
Oryctolagus cuniculus (rabbit)CA2+-ATPASE, SERCA1
2E, F, K, L, Q...
(A, B, C, D)
MAGNESIUM IONnon-polymer24.38Chemie (MG)
3G, M, S, Y
(A, B, C, D)
SODIUM IONnon-polymer23.04Chemie (NA)
4H, N, T, Z
(A, B, C, D)
TETRAFLUOROMAGNESATE(2-)non-polymer100.34Chemie (MF4)
5AA, I, O, U
(D, A, B, C)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.24Chemie (ADP)
6BA, J, P, V
(D, A, B, C)
OCTANOIC ACID [3S-[3ALPHA, 3ABETA, 4ALPHA, 6BETA, 6ABETA, 7BETA, 8ALPHA(Z), 9BALPHA]]-6-(ACETYLOXY)-2,3,-3A,4,5,6,6A,7,8,9B-DECAHYDRO-3,3A-DIHYDROXY-3,6,9-TRIMETHYL-8-[(2-METHYL-1-OXO-2-BUTENYL)OX Y]-2-OXO-4-(1-OXOBUTOXY)-AZULENO[4,5-B]FURAN-7-YL ESTERnon-polymer650.84Chemie (TG1)
7CA, DA, EA, FA
(A, B, C, D)
waterwater18.0690Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 993 (UniProt: P04191)
PDBExternal DatabaseDetails
Gly 994-SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight438410.3
Non-Polymers*Number of molecules24
Total formula weight4999.4
All*Total formula weight443409.7
*Water molecules are not included.

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PDB entries from 2025-07-23

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