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7SPD

Crystal Structure of The Tetramerization Domain (29-147) From Human Voltage-gated Potassium Channel Kv2.1 in C 2 2 21 Space Group

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E
(A, B, C, D, E)
Potassium voltage-gated channel subfamily B member 1polymer12314650.55UniProt (Q14721)
Pfam (PF02214)
Homo sapiens (Human)Delayed rectifier potassium channel 1,DRK1,h-DRK1,Voltage-gated potassium channel subunit Kv2.1
2F, G, J, L, M...
(A, C, D, E)
DI(HYDROXYETHYL)ETHERnon-polymer106.16Chemie (PEG)
3H, I, K, N, O...
(A, C, D, E)
ZINC IONnon-polymer65.46Chemie (ZN)
4R, S, T, U, V
(A, B, C, D, E)
waterwater18.013Chemie (HOH)
Sequence modifications
A, B, C, D, E: 29 - 147 (UniProt: Q14721)
PDBExternal DatabaseDetails
Gly 25-expression tag
Ser 26-expression tag
His 27-expression tag
Met 28-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight73252.5
Non-Polymers*Number of molecules12
Total formula weight1029.2
All*Total formula weight74281.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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