R4YX57 R4YX57_9ACTN Periplasmic solute binding protein BN381_130286 Candidatus Microthrix parvicella RN1 328 AA R4YZQ8 R4YZQ8_9ACTN Putative Heme exporter protein CcmA BN381_310049 Candidatus Microthrix parvicella RN1 256 AA R4Z229 R4Z229_9ACTN Cytochrome c domain-containing protein BN381_20115 Candidatus Microthrix parvicella RN1 465 AA R4Z645 R4Z645_9ACTN Cytochrome c domain-containing protein BN381_50143 Candidatus Microthrix parvicella RN1 137 AA R4Z7N9 R4Z7N9_9ACTN Blue (type 1) copper domain-containing protein BN381_80367 Candidatus Microthrix parvicella RN1 148 AA R4YX24 R4YX24_9ACTN Putative Fe(3+)-binding periplasmic protein BN381_130198 Candidatus Microthrix parvicella RN1 352 AA R4YYA9 R4YYA9_9ACTN Molybdenum ABC transporter, periplasmic molybdate-binding protein BN381_250052 Candidatus Microthrix parvicella RN1 266 AA