>tr|B8HZC5|B8HZC5_CYAP4 Homocysteine S-methyltransferase OS=Cyanothece sp. (strain PCC 7425 / ATCC 29141) OX=395961 GN=Cyan7425_0064 PE=4 SV=1 MAQYRNNLPQLSSDLFITDGGIETTLIFREGLELPEFAAFDLFKSASGYQALQKYFRTYA RMASTYAVGCILESATWRANPDWGTKLGYDRDALTAVNGQAIALLHEIRHEFETEQSRLV ISGCLGPRGDGYIPADAMSETEAEFYHRPQIETFRQAGADLVTAITMNYVEEAIGIARGA KTVGIPVVISFTVETDGKLPTGQPLKEAIAQVDKATDAAPAYYMLNCAHPTHFMDELRTG ETWVERIRGIRANASTKSHAELNESETLDEGNPAELGSLYQQLREHLPHLNVLGGCCGTD DRHIEAICKACSPVLWSYLSNRFFSVAI