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6Y4P

Calmodulin N53I variant bound to cardiac ryanodine receptor (RyR2) calmodulin binding domain

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Calmodulin-1polymer14916851.61UniProt (P0DP23)
Pfam (PF13499)
Homo sapiens (Human)
2B
(B)
Ryanodine receptor 2polymer303478.21UniProt (E9Q401)
UniProt (by SIFTS) (Q92736)
Mus musculus (Mouse)RyR2,Cardiac muscle ryanodine receptor,Cardiac muscle ryanodine receptor-calcium release channel,Type 2 ryanodine receptor
3C, D, E, F
(A)
CALCIUM IONnon-polymer40.14Chemie (CA)
4G, H
(A, B)
waterwater18.061Chemie (HOH)
Sequence modifications
A: 0 - 148 (UniProt: P0DP23)
PDBExternal DatabaseDetails
Ile 53Asn 54engineered mutation
B: 3614 - 3640 (UniProt: E9Q401)
PDBExternal DatabaseDetails
Ser 3611-expression tag
Asn 3612-expression tag
Ala 3613-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight20329.8
Non-Polymers*Number of molecules4
Total formula weight160.3
All*Total formula weight20490.1
*Water molecules are not included.

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PDB entries from 2025-07-16

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