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2H8P

Structure of a K channel with an amide to ester substitution in the selectivity filter

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
FAB heavy chainpolymer21923411.21Pfam (PF07686)
Pfam (PF07654)
UniProt (by SIFTS) (Q569B4)
Mus musculus (house mouse)
2B
(B)
FAB light chainpolymer21223435.71Pfam (PF07654)
UniProt (by SIFTS) (P01837)
Mus musculus (house mouse)
3C
(C)
KcsA Channelpolymer10110782.51Pfam (PF00520)
Pfam (PF07885)
UniProt (by SIFTS) (P0A334)
synthetic construct
4D, E, F, G, H...
(C)
POTASSIUM IONnon-polymer39.16Chemie (K)
5J
(C)
(2S)-2-(BUTYRYLOXY)-3-HYDROXYPROPYL NONANOATEnon-polymer302.41Chemie (B3H)
6K, L, M
(A, B, C)
waterwater18.090Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight57629.5
Non-Polymers*Number of molecules7
Total formula weight537.0
All*Total formula weight58166.5
*Water molecules are not included.

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PDB entries from 2025-06-18

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