>sp|P0A3E0|FLAV_NOSSO Flavodoxin OS=Nostoc sp. (strain ATCC 29151 / PCC 7119) OX=1168 GN=isiB PE=1 SV=2
MSKKIGLFYGTQTGKTESVAEIIRDEFGNDVVTLHDVSQAEVTDLNDYQYLIIGCPTWNI
GELQSDWEGLYSELDDVDFNGKLVAYFGTGDQIGYADNFQDAIGILEEKISQRGGKTVGY
WSTDGYDFNDSKALRNGKFVGLALDEDNQSDLTDDRIKSWVAQLKSEFGL