Protein
Mechanosensitive ion channel protein 8
Organism
Arabidopsis thaliana
Function
Mechanosensitive channel that opens in response to stretch forces in the membrane lipid bilayer. Exhibits a 6.3-fold preference for chloride over sodium. Regulates osmotic forces during pollen hydration and germination.
Similarity
Belongs to the MscS (TC 1.A.23) family.
Sequence
MDFRNSFKSHSSYKQIRSPGDQSEPSPEHLPILHDHHPDHSGMVVDDQKPDSTRSSLDDGRNAPVERDASYKFWQDNTTGTSTDHTAVRTSDKDPIAISRKGDRLSGSFDFVHGKLPVDESPTKMVAGEPVNRQWRGRNNEEITLDVDQENDDVSHQTMPTPTSTARTSFDASREMRVSFNVRRAGGAFVAGSVPSSSSHSSSSSSATMRTNQDQPQLQEEEVVRCTSNMSFQRKSELISRVKTRSRLQDPPREEETPYSGWRSGQLKSGLLADIDEEDDPLAEEDVPDEYKRGKLDAITLLQWLSLVAIIAALACSLSIQSWKKVRVWNLHLWKWEVFLLVLICGRLVSGWGIRIVVFFIERNFLLRKRVLYFVYGVRRAVQNCLWLGLVLLAWHFLFDKKVQRETRSRFLPYVTKILVCFLLSTILWLIKTLVVKVLASSFHVSTYFDRIQEALFNQYVIETLSGPPMIEMSRIEEEEERAQDEIFKMQNAGANLPPDLCAAAFPPGKSGRVMNPKLSPIIPKSTTDNGISMEHLHRMNHKNISAWNMKRLMKIVRNVSLTTLDEQMLESTYEDESTRQIRSEKEAKAAARKIFKNVEQRGAKYIYLEDLMRFLREDEAMKTMGLFEGAPENKRISKSALKNWLVNAFRERRALALTLNDTKTAVNKLHHMINIVTAIVIVVIWLVLLEIASSKVLLFVSSQVVLLAFIFGNTVKTVFESIIFLFIVHPYDVGDRCEIDSVQLVVEEMNILTTVFLRYDNLKIMYPNSLLWQKSINNYYRSPDMGDAIEFCVHITTPLEKISVIKQRISNYIDNKPEYWYPQAKIIVKDLEDLHIVRLAIWPCHRINHQDMAERWTRRAVLVEEVIKILLELDIQHRFYPLDINVRTMPTVVSSRVPPGWSQNQPA