>sp|B3DX68|SYS_METI4 Serine--tRNA ligase OS=Methylacidiphilum infernorum GN=serS MLDIQLIRHNLAQTKQKLALRSKGLETLLDHIFELDFKKRSLQSEIEKYRALRNKQSKEI GLKKIKGENVEGQFSELKKMGSRIEEMEKELIQFENQINTLLLSLPNIPHDSVPTGGPEA NKVVKTWGEPRQANFPLKTHWELGRELGILDLERGAKLSGSGFSLFTGNGAKLQRALIQF MLTIHTEEHGYKELWPPYLVTEDCMRGTGHLPKFALDMYATDKDNLYLIPTGEVPLTNFH RDEILAESSLPLRYVAYTPCFRREAGSAGKDTRGLLRLHQFDKVELVQITKPENSYTALE EMVSHAENILRSLNLCYRVVLLASQDMGFGAAKCYDLEVWSPGIQSWLEVSSVSNMENFQ SRRMNLRYKSSSGKNILCHTLNGSGTALPRLVAAILENYQKEDGRVLIPEKIRTYFKEEY L