>sp|Q8YVQ2|PETL_NOSS1 Cytochrome b6-f complex subunit 6 OS=Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) OX=103690 GN=petL PE=1 SV=1 MLAIVAYIGFLALFTGIAAGLLFGLRSAKIL