>4brv_D mol:protein length:124 DESULFOFERRODOXIN, FERROUS IRON-BINDING REGIONMKSFGELIYTPDRAEGEAISKAATHTPKIEAPEKVKADQPFQVRVSVGPHPNEAAHSIRWIELYFYEEGRPFNPVMLGRVAFEPGYAEPDVTFTLKLKKSGVLYAISYCNLHGLWEARKEIKVE