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4GX5

GsuK Channel

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
TrkA domain proteinpolymer56561830.34UniProt (Q74FS9)
Pfam (PF07885)
Pfam (PF02254)
Pfam (PF02080)
Geobacter sulfurreducens
2E, F, G, H, K...
(A, C)
POTASSIUM IONnon-polymer39.112Chemie (K)
3I, M, S, X
(A, B, C, D)
ZINC IONnon-polymer65.44Chemie (ZN)
4J, N, T, U
(A, B, C)
CALCIUM IONnon-polymer40.14Chemie (CA)
Sequence modifications
A, B, C, D: 9 - 564 (UniProt: Q74FS9)
PDBExternal DatabaseDetails
Met 4-expression tag
Gln 5-expression tag
Arg 6-expression tag
Gly 7-expression tag
Ser 8-expression tag
Ala 52Glu 52engineered mutation
Glu 77Gln 77engineered mutation
Leu 565-expression tag
Val 566-expression tag
Pro 567-expression tag
Arg 568-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight247321.2
Non-Polymers*Number of molecules20
Total formula weight891.1
All*Total formula weight248212.4
*Water molecules are not included.

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PDB entries from 2025-06-18

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