7NFX_g          21 RRLSYNTASNKTRLSRTPGNRIVYLYTKKVGKAPKsaCGVcPGRLRGVRAVRPKVLMRLSKTKKHVSRAYGGSMCAKCVR 100
WP_012955680     2 PANRFRSRSYKRTNTKTPGGVNVLRYKKKKPSKHV--CAEcGAVLHGVPRGRPFEVNKLAKSKKRPNRPFGGNLCPECTR 79  Methanobrevib...
P58026           2 VRPGLRSRSLRRVYRRTPGGSTVVHYERRKPGPAR--CARcGRPLGGVPRGRPPRVRRLSKTAKRPERPYGGVLCSTCLA 79  Aeropyrum per...
jgi:Igni_1197    2 VRPAYRSRSRRRVYKRTPGGKTVVHFEKRKPKAAR--CAIcGRPLGGVPRGRPVEIRKLSKTERRPERPYGGYICHACLM 79 
A2BME5           2 PRPHQRTRSLRRVYVRTPGGETKIHYEKRRPGPAR--CAIcGRPLNGVPRLRPVELRKLPKTAKRPERMYGGVLCAECLE 79  Hyperthermus ...
A3DND2           2 PRPGLKTRSKRRVYVRTPGGKVVIHYEPRKPGPAR--CAIcGKPLNGVPRLIPSKLRKLAKTEKRPERPYGGYICPRCLS 79  Staphylotherm...
jgi:Pyrfu_1685   2 PRPGLRTRSKRRVYVRLPGGETVVHYEPRRPGPAR--CGLcGRPLNGVPRLRPSELRKLPLSQKRPERMFGGVLCHACLE 79 
P54053           2 PAPRYRSRSYRRIYRRTPGGRIVIHYKRRKPGKPK--CAIcGAELHGVPRGRPVEIRKLPKSQRRPERPYGGYLCPRCLK 79  Methanocaldoc...
Q6LZK0           2 PAPRYKSGSSKKVYRKAPGNSSIVHYRRKKQSKAV--CGAcGALLNGVPRGRAVEITKLAKTEKRPERPFGGNLCPKCVK 79  Methanococcus...
A6UW33           2 PAPRFKSGSFKKISKRGPGNKTLTHHRRSKVSKAK--CGAcGALLNGVPRGRKIEIAKLSKTEKRPERPYGGFLCPKCLK 79  Methanococcus...

7NFX_g         101 DRIKRAFL 108
WP_012955680    80 KHFKQEAr 87  Methanobrevibacter ruminantium
P58026          80 EMIFEAIa 87  Aeropyrum pernix K1
jgi:Igni_1197   80 KFYKYAVs 87 
A2BME5          80 KLLKKSIR 87  Hyperthermus butylicus DSM 5456
A3DND2          80 RLLRESIr 87  Staphylothermus marinus F1
jgi:Pyrfu_1685  80 RILKATIr 87 
P54053          80 RLMIQKAr 87  Methanocaldococcus jannaschii DSM 2661
Q6LZK0          80 KMMVAKAr 87  Methanococcus maripaludis S2
A6UW33          80 RLMIEKAr 87  Methanococcus aeolicus Nankai-3