>4RB3_1|Chain A|DNA (25-MER)| TTAATTGCAAATCATTTGCAATTGC >4RB3_2|Chain B|DNA (25-MER)| GCAATTGCAAATGATTTGCAATTAA >4RB3_3|Chains C, D|DNA-binding transcriptional dual regulator of siderophore biosynthesis and transport(Fur family)|Magnetospirillum gryphiswaldense (1430440) GHMVSRIEQRLIDKGLKVTDQRRVIAQVLSDSADHPDVEEVYRRATAKDPRISIATVYRTVRLFEEESILERHDFGDGRARYEEAPSEHHDHLIDVNSARVIEFTSPEIEALQREIARKHGFRLVGHRLELYGVPLTSGGDSDDK