>sp|B1XSF4|SYR_POLNS Arginine--tRNA ligase OS=Polynucleobacter necessarius subsp. necessarius GN=argS MLSTNKNRLIEMLSAALTGLAQERGLEAPPTPRLERPKAVDHGDVACNIALQLSKAWKLN PRELAQALVERLQQQTGFNELIASCEIAGPGFSNFRLSNAAKTAVVQEILSGGTSFGESA PADGSATSAMIEFVSANPTGPLHVGHGRQAALGDALANLLATQGIKVHREFYYNDAGVQI ANLALSVQARLQGLKPGDAKWPEQAYNGEYIAEIATTFKASPEFKDDIEAIRQFAVAYLR NEQDIDLKTFGVKFDCYYLESSLYTDGSVAQIVGDLQSIGKTYESEGVLWLKTIDDGDDK DRVMRKSDGSFTYFVPDVAYHTSKWNRGFQKVINVQGSDHHGTIARVRSGLQGVAQKRGW DIPKTYPDYVLHKMVTVMRHGEEVKISKRAGSYVTVRDLVEWSGGVTPEMTSEERELALQ RGRDAVRFFLISRKADTEFVFDIDLALQQNDENPVFYVQYAHARISSILQQWGGQTSDLA SADLSLLQSKASDHLLRCLAEYPEMLTTAAEELAPHALAFYLRNLAGDFHTFYNADRVLV DDQNLKLARLALLSATRQVLQNGLKVLGVSAPAKM