Open and conductive conformation of KcsA-T75A mutant

Inverted allosteric coupling between activation and inactivation gates in K+channels.

QVQLQQPGAELVKPGASVKLSCKASGYTFTSDWIHWVKQRPGHGLEWIGEIIPSYGRANYNEKIQKKATLTADKSSSTAF
MQLSSLTSEDSAVYYCARERGDGYFAVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWN
SGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRD

DILLTQSPAILSVSPGERVSFSCRASQSIGTDIHWYQQRTNGSPRLLIKYASESISGIPSRFSGSGSGTDFTLSINSVES
EDIANYYCQQSNRWPFTFGSGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVL
NSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN

WRCAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATAVGYGDLYPVTLWGRCVAVVVMVAGITSFGL
VTAALATWFVGQCQQQ

PEG400, 50 mM magnesium acetate, 50 mM sodium acetate

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

KcsA, C-type inactivation, ion channel, potassium channel, MEMBRANE PROTEIN

WRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRLVAVVVMVAGITSFGL
VTAALATWFVG