>2BQ4_1|Chains A, B|BASIC CYTOCHROME C3|DESULFOVIBRIO AFRICANUS (873) PQVPADVVIDHLSNPNAKLEYKVKFSHKAHASLGTDAAACQKCHHKWDGKSEIGGCATEGCHADTTSFKATEKDPKFLMTAFHSKSPMSCQGCHKEMKTAKKTTGPTACAQCHNQK