>tr|A0A9W4EIV8|A0A9W4EIV8_ARTPN 2Fe-2S ferredoxin I OS=Arthrospira platensis GN=petF MATYKVTLISEAEGINETIDCDDDTYILDAAEEAGLDLPYSCRAGACSTCAGKITSGSID QSDQSFLDDDQIEAGYVLTCVAYPTSDCTIQTHQEEGLY