>2KLB_1|Chain A|Putative diflavin flavoprotein A 3|Nostoc sp. (103690) SIGVFYVSEYGYSDRLAQAIINGITKTGVGVDVVDLGAAVDLQELRELVGRCTGLVIGMSPAASAASIQGALSTILGSVNEKQAVGIFETGGGDDEPIDPLLSKFRNLGLTTAFPAIRIKQTPTENTYKLCEEAGTDLGQWVTRDRLEHHHHHH