RPSBLAST alignment for GI: 255764461 and conserved domain: TIGR00398
>gnl|CDD|161858 TIGR00398, metG, methionyl-tRNA synthetase. The methionyl-tRNA synthetase (metG) is a class I amino acyl-tRNA ligase. This model appears to recognize the methionyl-tRNA synthetase of every species, including eukaryotic cytosolic and mitochondrial forms. The UPGMA difference tree calculated after search and alignment according to this model shows an unusual deep split between two families of MetG. One family contains forms from the Archaea, yeast cytosol, spirochetes, and E. coli, among others. The other family includes forms from yeast mitochondrion, Synechocystis sp., Bacillus subtilis, the Mycoplasmas, Aquifex aeolicus, and Helicobacter pylori. The E. coli enzyme is homodimeric, although monomeric forms can be prepared that are fully active. Activity of this enzyme in bacteria includes aminoacylation of fMet-tRNA with Met; subsequent formylation of the Met to fMet is catalyzed by a separate enzyme. Note that the protein from Aquifex aeolicus is split into an alpha (large) and beta (small) subunit; this model does not include the C-terminal region corresponding to the beta chain. Length = 530
Score = 488 bits (1258), Expect = e-138
Identities = 198/533 (37%), Positives = 300/533 (56%), Gaps = 37/533 (6%)
Query: 8 YISTAIAYPNAQPHIGHAYEMIIADVLARFHRLDGLDVLFTTGTDEHGQKIAKAAQNAGV 67
I+TA+ Y N +PH+GHAY I+ADV AR+ RL G +VLF GTDEHG KI A+ G+
Sbjct: 2 LITTALPYANGKPHLGHAYTTILADVYARYKRLRGYEVLFVCGTDEHGTKIELKAEQEGL 61
Query: 68 TTKVFVDQNSRNFRDMADVLDISYDDFIRTTEKRHHDTCRILWKKISDKGDIYKGCYSGW 127
T K VD+ F+D L+IS+D FIRTT++ H + + +++K+ + G IY+
Sbjct: 62 TPKELVDKYHEEFKDDWKWLNISFDRFIRTTDEEHKEIVQKIFQKLKENGYIYEKEIKQL 121
Query: 128 YSLRDEAYYNDDEV-----YKGADGQYYNAQHN------PVQ--------------WMEE 162
Y E + D V G++ + P + +
Sbjct: 122 YCPECEMFLPDRYVEGTCPKCGSEDARGDHCEVCGRHLEPTELINPRCKICGAKPELRDS 181
Query: 163 EGYFFRLSAYQDKLLSYYESHPEFILPIERRNEVI-SFVKSGLKDLSLSRKTFDWGIKIP 221
E YFFRLSA++ +L + +PE P +++K GLKDL+++R WGI +P
Sbjct: 182 EHYFFRLSAFEKELEEWIRKNPESGSPASNVKNKAQNWLKGGLKDLAITRDLVYWGIPVP 241
Query: 222 DDPQYIMYVWIDALTNYLTTTGYLDNPDGSKAKFWPAD-----LHVIGKDILRFHAIYWP 276
+DP ++YVW DAL Y+++ G L K+W D +H IGKDI+RFH IYWP
Sbjct: 242 NDPNKVVYVWFDALIGYISSLGILSGDTEDWKKWWNNDEDAELIHFIGKDIVRFHTIYWP 301
Query: 277 AFLLSANLPLPKKVFSHGFILHKGEKISKSLGNVIDPIEVIEEVGVDALRYFLVREIACG 336
A L+ LPLP +VFSHG++ +G K+SKSLGNV+DP +++ G D LRY+L++E G
Sbjct: 302 AMLMGLGLPLPTQVFSHGYLTVEGGKMSKSLGNVVDPSDLLARFGADILRYYLLKERPLG 361
Query: 337 KDGFYDKDGLKKRVNADLANGIGNLVSRSVSMILKDYDGMIPTPGAFTESDESILSVCSR 396
KDG + + +RVNADLAN +GNL++R++ I K ++G++P+ E D+ +L + +
Sbjct: 362 KDGDFSWEDFVERVNADLANKLGNLLNRTLGFIKKYFNGVLPSEDITDEEDKKLLKLINE 421
Query: 397 VLQEIRENMQNQLIHRALAQVISLVSEVDRYFDAQKPWELKKTNPDRASTVLYVTVEVIR 456
L++I E +++ +AL +++ L ++Y D KPWEL K +P R +L V +IR
Sbjct: 422 ALEQIDEAIESFEFRKALREIMKLADRGNKYIDENKPWELFKQSP-RLKELLAVCSMLIR 480
Query: 457 QLAILLQAFVPKLANKIFDILFVADENRCFQSLDQRLKPGFMLHKTFDPIFPR 509
L+ILL +PKL+ KI L E L + G L+K +P+F +
Sbjct: 481 VLSILLYPIMPKLSEKILKFLNFELEWDFKLKLLE----GHKLNK-AEPLFSK 528