Sequence numbers correspond to the following labels:

1. • TR462
2. • gi|170288693|ref|YP_001738931.1|_77:143 FeoA family protein [Thermotoga sp. RQ2]
   • gi|170176196|gb|ACB09248.1| FeoA family protein [Thermotoga sp. RQ2]
3. • gi|15642825|ref|NP_227866.1|_77:143 iron(II) transport protein A [Thermotoga maritima MSB8]
   • gi|148270009|ref|YP_001244469.1| FeoA family protein [Thermotoga petrophila RKU-1]
   • gi|4980536|gb|AAD35144.1|AE001692_1 iron(II) transport protein A [Thermotoga maritima MSB8]
   • gi|147735553|gb|ABQ46893.1| FeoA family protein [Thermotoga petrophila RKU-1]
4. • gi|150021610|ref|YP_001306964.1|_76:142 FeoA family protein [Thermosipho melanesiensis BI429]
   • gi|149794131|gb|ABR31579.1| FeoA family protein [Thermosipho melanesiensis BI429]
5. • gi|157363427|ref|YP_001470194.1|_82:143 FeoA family protein [Thermotoga lettingae TMO]
   • gi|157314031|gb|ABV33130.1| FeoA family protein [Thermotoga lettingae TMO]
6. • gi|160902429|ref|YP_001568010.1|_86:151 FeoA family protein [Petrotoga mobilis SJ95]
   • gi|160360073|gb|ABX31687.1| FeoA family protein [Petrotoga mobilis SJ95]
7. • gi|104162031|emb|CAJ75739.1|_81:149 Fe2+ transport system protein [uncultured Thermotogales bacterium]

              10        20        30        40                50       
              |         |         |         |                 |       
   1 ELPLILADDGTYEITKLNGGRRFLFRMKNLGIESGKKIQVSGR...R.....YYIEGREI..DLG
   2 ELPLILADDGTYEITKLNGGRRFLFRMKNLGIESGKKIQVSGR...R.....YYIEGREI..DLG
   3 ELPLILADDGTYEITKLNGGRRFLFRMKNLGIESGKKIQVSGR...R.....YYIEGREI..DLG
   4 SIPLIFASDGEYEVVELCGGRMFRRKMELLGVYVGKEISVING...N.....IKLNDEVI..NMG
   5 ------APRGIYSVVNVIGGRFFKDKMAQIGVENGSIVEVIKPf..L.....IKTNKGTF..QVG
   6 ------SETGKYEIIDLKGGNNFIEEMKSMGLYKGVNINLVNK...LgnriiVEVDGSKY..ELG
   7 -VPLSYATNGEYFVSIINGGMGFRERLRMVGVEVGKKITVTGNigkR.....IEINANGIrsALS


         60       
         |       
   1 YGEATKIWVRRV
   2 YGEATKIWVRRV
   3 YGEATKIWVRRV
   4 DGMKKKIILRRL
   5 RGMSGRIILRRI
   6 RGRAAKIFCKKV
   7 RGQAMRIIVR--