Protein
Vitamin B6 transporter bsu1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Function
Thiamine-regulated, high affinity import carrier of pyridoxine, pyridoxal and pyridoxamine. Also imports, but does not export, amiloride and so confers sensitivity.
Similarity
Belongs to the major facilitator superfamily. CAR1 family.
Sequence
MASKIASLFSPSETASKDQHENVAEDLELGTASSQSDGIHETNSEYDEKKREESPEVIDISNLISSDHPAHPQNWHWAKRWSIVFMFCLMQIYVIWTSNGFGSIEYSVMAQFNVSAQVATLCLSMNILGSGLGPMFLGPLSDIGGRKPVYFCSIFVYTVFNISCALPRNIVQMIISHFIIGVAGSTALTNVAGGIPDLFPEDTAGVPMSLFVWACAGGAIGAPMATGVDINAKYGWRWLYYINIIVGGFFLIVILIIPETLPIKVITRYENAKGRIVEGIPKNNLKEVLKKCKFVTTMGFRMMLTEPIILSMGLYNFYAYGISYFFLTAIWPVFYDTYKMSEMGASCTYLSGFVASTLLFLYQPIQDWIFRRDKAKNNGVARPEARFTSALFITLLFPAGMFLFAFTCHPPFPWMSPIVGNSMVTVANGHNWMCILNYLTDSYPLLSGSAVAAFTLPSFIGATVFAHVSQIMFNNMSVKWAVATMAFISISIPFIIYTFYFFGQRIRALSSLTGNKALKYLPLENN