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3SJQ

Crystal structure of a small conductance potassium channel splice variant complexed with calcium-calmodulin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, BCalmodulinpolymer14916852.52UniProt (P62161)
Pfam (PF13499)
UniProt (by SIFTS) (P0DP29)
In PDB
Rattus norvegicus (rat)CaM
2C, DSmall conductance calcium-activated potassium channel protein 2polymer8710443.22UniProt (P70604)
Pfam (PF02888)
In PDB
Rattus norvegicus (rat)SK2, SKCa 2, SKCa2, KCa2.2
3A, BCALCIUM IONnon-polymer40.18Chemie (CA)
4D, A, B, C1-phenylureanon-polymer136.24Chemie (PHU)
5D, A, BGLYCEROLnon-polymer92.16Chemie (GOL)
6D, A, B, CSULFATE IONnon-polymer96.18Chemie (SO4)
7waterwater18.0340Chemie (HOH)
Sequence modifications
C, D: 412 - 490 (UniProt: P70604)
PDBExternal DatabaseDetails
Ala 463-variant
Arg 464-variant
Lys 465-variant
Leu 491-expression tag
Glu 492-expression tag
His 493-expression tag
His 494-expression tag
His 495-expression tag
His 496-expression tag
His 497-expression tag
His 498-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight54591.6
Non-Polymers*Number of molecules26
Total formula weight2186.3
All*Total formula weight56777.9
*Water molecules are not included.

222036

PDB entries from 2024-07-03

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