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7TBG

AtTPC1 D454N with 1 mM Ca2+

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Two pore calcium channel protein 1polymer73384956.82UniProt (Q94KI8)
Pfam (PF00520)
Arabidopsis thaliana (thale cress)Calcium channel protein 1,AtCCH1,Fatty acid oxygenation up-regulated protein 2,Voltage-dependent calcium channel protein TPC1,AtTPC1
2C, D, F, G
(A, B)
CALCIUM IONnon-polymer40.14Chemie (CA)
3E
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
4H, I
(A, B)
waterwater18.020Chemie (HOH)
Sequence modifications
A, B: 1 - 733 (UniProt: Q94KI8)
PDBExternal DatabaseDetails
Asn 454Asp 454engineered mutation
Asn 463Pro 463conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight169913.7
Non-Polymers*Number of molecules5
Total formula weight183.3
All*Total formula weight170097.0
*Water molecules are not included.

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PDB entries from 2026-01-28

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