O66931   327 HGKVKEYLEYKAKEYGIEVEYISEAYtSGVDSSVEGAVNKEtyt---peARVKRGLFRTRLLGFLNADVNACRNLLKK 401 Aquifex aeolicus
AAK41099 359 YRKLMESIELKAQEYGMKVFEVVEYN-TSKYCAYHDVEVKR----------NPRGVVNRPLGHKLHSDLNGALNILKK 425
Q9WXQ4   302 FRKLMSQIEYKAQIFGIEVVRISEAH-TSKTCPVCGTQNRP----------SGRNYKCAGCGFEYHRDGVGAINIWKR 368 Thermotoga maritima
Q9X0B6   300 FRKLIEMIRYKAEQFGIEVKLISEAN-TSKTCPVCGAKNKP----------NGRRYHCKTCGFEYHRDGVGAINIWKR 366 Thermotoga maritima
Q8YWC9   289 HGETRAFLTYKSQRLGMKVEIQCERY-SSQVCPSCGQRHKP----------KNRTYKCK-CGFEFHRDGVGCVNIRRK 354 Nostoc sp. PCC 7120
P81315     6 AKKFLGYLKNKCLEFGVKVIEGNPAY-TSIKCPNCGSRLSQlykladerALPSRLMYCFDCGFYADRDTVAVFNLIKR 82  Methanocaldococcus ja...
Q96XT5   297 YRRVQYWIEWQAKKHGLLVVYVNPHY-SSVSCPKCGKKMVE---------VSYRWFKCI-CGYENDRDVIGIMNLNRR 363 Sulfurisphaera tokodaii
Q9HKN3   307 YRLFQMFVEYKSK---NETLYVDPEG-TSSECPVCGGILEH---------PIWKMSKCDNCGATFDRDRLSSLSIAVR 371 Thermoplasma acidophilum
Q58161   192 FSKLQFFIEYKAKWDGLDVEYVNPSR-TSKLCPICGCKLDP---------NGQRLLKCNNCNLVFDRDVVATFNLFKK 259 Methanocaldococcus ja...
Q8U235   288 FRKLQRIIEYKAKLRGIKVIFVNPAY-TSTLCPICGGKLSP---------NGHRVLKCK-CGFEADRDVVGSWNVRLK 354 Pyrococcus furiosus