>gnl|CDD|132311 TIGR03267, methan_mark_2, putative methanogenesis marker protein 2. A single member of this protein family is found in each of the first ten complete genome sequences of archaeal methanogens, and nowhere else. Sequence similarity to various bacterial proteins is reflected in Pfam models pfam00586 and pfam02769, AIR synthase related protein N-terminal and C-terminal domains, respectively. The functions of proteins in this family are unknown, but their role is likely one essential to methanogenesis. Length = 323

Score = 57.5 bits (139), Expect = 1e-08 Identities = 61/253 (24%), Positives = 104/253 (41%), Gaps = 36/253 (14%) Query: 417 VYEQYDTMIQSNSIQLPGGDAGVIRVEGHETKALAFSSD-VTPRYVKADPFEGTKQAVAE 475 + E D + N I G DA I++ G L ++D + + + ADP+ AV Sbjct: 27 ILEPLDVTYEGNVIVDFGDDAAAIKIGG--DDILLLAADGIWGKLLDADPWWAGYCAVLV 84 Query: 476 CWRNIIATGAKPLAITDNLNFGNPEK-EEIMGQFVHSVKGIREACQILDFPIVSGNVSFY 534 +I A G KP+ + + L+ + + E++ +G+RE P+V G+ Sbjct: 85 NVNDIAAMGGKPVGMVNVLSINDVDVCREVL-------EGMREGAWKFGVPVVGGHTHPD 137 Query: 535 NETNGQSIFPTPTIAGVGILPDYSLMTRIDSAHEGDLILMIGNDGCHLDCSMYS---LEC 591 N + I G+ + R D+A GDLI+ LD Y L Sbjct: 138 TPYNALDV----AIVGIA---KEDCIIRSDTAKPGDLIIF----AIDLDGRPYPSFPLNW 186 Query: 592 ASSNIGPPPKVDCHLEKNHGFFVLSMINAKKI-TACHDISTGGLIITLAEMTISSAKGMD 650 ++ + P + ++ + I +K+ A DIS GLI TL + +S G + Sbjct: 187 DTTTMKSPDYLRAQMD------AVVEIAERKLVKAGKDISNPGLIGTLGMLLEASRVGAE 240 Query: 651 IILPIEIEKDPKP 663 +++E PKP Sbjct: 241 ----VDLESIPKP 249

RPSBLAST alignment for GI: 254780970 and conserved domain: TIGR03267