>9I2A_1|Chains A, B|Ferredoxin-4|Rhodobacter capsulatus SB 1003 (272942) MAWSHPQFEKDKATLTFTDVSITVNVPTGTRIIEMSEKVGSGITYGCREGECGTCMTHILEGSENLSEPTALEMRVLEENLGGKDDRLACQCRVLGGAVKVRPA