>sp|Q9ZCC8|FER_RICPR Ferredoxin OS=Rickettsia prowazekii (strain Madrid E) OX=272947 GN=fdxA PE=3 SV=3 MTYVVTDECVKCKYTDCVEVCPVDCFYEGEFMLVINPDECIDCGVCVPDCPIDAIKPESP ELIEWVERAKDFIENHGWKNITKKKCALPGADKFKDEKDKFNKYIIKKT