The crystal structure of light-driven chloride pump ClR in pH 4.5.

PNSMKNIESLFDYSAGQFEFIDHLLTMGVGVHFAALIFFLVVSQFVAPKYRIATALSCIVMVSAGLILNSQAVMWTDAYA
YVDGSYQLQDLTFSNGYRYVNWMATIPCLLLQLLIVLNLKGKELFSTATWLILAAWGMIITGYVGQLYEVDDIAQLMIWG
AVSTAFFVVMNWIVGTKIFKNRATMLGGTDSTITKVFWLMMFAWTLYPIAYLVPAFMNNADGVVLRQLLFTIADISSKVI
YGLMITYIAIQQSAAAGYVPAQQALGRIGMDSKAA

THE CRYSTAL STRUCTURE OF LIGHT-DRIVEN CHLORIDE PUMP CLR IN PH 6.0.