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8CU3

Structure of a K+ selective NaK mutant (NaK2K, Laue diffraction) in the presence of an electric field of ~0.8MV/cm along the crystallographic z axis, 200ns, with eightfold extrapolation of structure factor differences

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Potassium channel proteinpolymer9610640.52UniProt (B7HBV5)
Pfam (PF07885)
Bacillus cereus m1550
2C
(D)
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranosebranched342.31In PDB
GlyTouCan (G07411ON)
3D, E, F, G, H...
(A, B)
(4S)-2-METHYL-2,4-PENTANEDIOLnon-polymer118.216Chemie (MPD)
4AA, BA, CA, DA, J...
(B, A)
POTASSIUM IONnon-polymer39.111Chemie (K)
5EA, FA
(A, B)
waterwater18.050Chemie (HOH)
Sequence modifications
A, B: 20 - 110 (UniProt: B7HBV5)
PDBExternal DatabaseDetails
Ala 19-expression tag
Tyr 66Asp 66conflict
Asp 68Asn 68conflict
Leu 111-expression tag
Val 112-expression tag
Pro 113-expression tag
Arg 114-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight21281.0
BranchedNumber of molecules1
Total formula weight342.3
Non-Polymers*Number of molecules27
Total formula weight2320.9
All*Total formula weight23944.1
*Water molecules are not included.

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PDB entries from 2025-07-02

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