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MES1

Gene
MES1
Protein
Methionine--tRNA ligase, cytoplasmic
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
751 amino acids
Function
Catalyzes the attachment of methionine to tRNA(Met) in a two-step reaction: methionine is first activated by ATP to form Met-AMP and then transferred to the acceptor end of tRNA(Met).
Similarity
Belongs to the class-I aminoacyl-tRNA synthetase family.
Mass
85.678 kDa
Sequence
MSFLISFDKSKKHPAHLQLANNLKIALALEYASKNLKPEVDNDNAAMELRNTKEPFLLFDANAILRYVMDDFEGQTSDKYQFALASLQNLLYHKELPQQHVEVLTNKAIENYLVELKEPLTTTDLILFANVYALNSSLVHSKFPELPSKVHNAVALAKKHVPRDSSSFKNIGAVKIQADLTVKPKDSEILPKPNERNILITSALPYVNNVPHLGNIIGSVLSADIFARYCKGRNYNALFICGTDEYGTATETKALEEGVTPRQLCDKYHKIHSDVYKWFQIGFDYFGRTTTDKQTEIAQHIFTKLNSNGYLEEQSMKQLYCPVHNSYLADRYVEGECPKCHYDDARGDQCDKCGALLDPFELINPRCKLDDASPEPKYSDHIFLSLDKLESQISEWVEKASEEGNWSKNSKTITQSWLKDGLKPRCITRDLVWGTPVPLEKYKDKVLYVWFDATIGYVSITSNYTKEWKQWWNNPEHVSLYQFMGKDNVPFHTVVFPGSQLGTEENWTMLHHLNTTEYLQYENGKFSKSRGVGVFGNNAQDSGISPSVWRYYLASVRPESSDSHFSWDDFVARNNSELLANLGNFVNRLIKFVNAKYNGVVPKFDPKKVSNYDGLVKDINEILSNYVKEMELGHERRGLEIAMSLSARGNQFLQENKLDNTLFSQSPEKSDAVVAVGLNIIYAVSSIITPYMPEIGEKINKMLNAPALKIDDRFHLAILEGHNINKAEYLFQRIDEKKIDEWRAKYGGQQV

Gene
MES1
Protein
Methylesterase 1
Organism
Arabidopsis thaliana
Length
263 amino acids
Function
Methylesterase shown to have carboxylesterase activity, methyl indole-3-acetic acid (MeIAA) esterase activity, methyl salicylate (MeSA) esterase activity and methyl jasmonate (MeJA) esterase activity in vitro. Required to convert methyl salicylate (MeSA) to salicylic acid (SA) as part of the signal transduction pathways that activate systemic acquired resistance in systemic tissue. MeSA is believed to be an inactive form that needs to be demethylated to exert a biological effect.
Similarity
Belongs to the AB hydrolase superfamily. Methylesterase family.
Mass
29.766 kDa
Sequence
MSEEKRKQHFVLVHGSCHGAWCWYKVKPLLEAVGHRVTAVDLAASGIDTTRSITDIPTCEQYSEPLTKLLTSLPNDEKVVLVGHSFGGLNLAIAMEKFPEKISVAVFLTAFMPDTEHSPSFVLDKFGSNMPQEAWMGTEFEPYGSDNSGLSMFFSPDFMKLGLYQLSPVEDLELGLLLMRPGSLFINDLSKMKNFSDEGYGSVPRVFIVCKEDKAIPEERQRWMIDNFPVNLVMEMEETDHMPMFCKPQQLSDYFLKIADKFV

Gene
mes1
Protein
Protein mes1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
101 amino acids
Function
Specifically required for meiosis II (MII). Binds to slp1, an activator of the anapahase promoting complex/cyclcosome (APC/C), and counteracts its function in promoting proteolysis of cdc13. By suppressing the degradation of cdc13 at anaphase I this protein may help maintain a sufficient level of cdc2 kinase activity to complete MII.
Mass
11.318 kDa
Sequence
MVNTDNKENEPPNMEKAHMDSSNALYRVQRPLQRRPLQELSIELVKPSQTITVKKSKKSTNSSSYFAQLHAASGQNPPPSVHSSHKQPSKARSPNPLLSMR