Tyrosine--tRNA ligase SYY_ANAVT Catalyzes the attachment of tyrosine to tRNA(Tyr) in a two-step reaction: tyrosine is first activated by ATP to form Tyr- AMP and then transferred to the acceptor end of tRNA(Tyr) (By similarity). tyrS Tyrosyl-tRNA synthetase MAENFSWLHRGIAEVFPQPTDAESDIESLEKRLATTDRPLRVKYGIDPTGADIHLGHSIPMRKLRGFQDAGHTAVLIIGDFTARIGDPTGKSEMRRQLTEEDVKQNAQTYLDQVRPILDFDTPGRLEVRYNSEWLSRLDLGKITELLATMTVGQMLAKEGFADRYKKENPIFLHEFLYPLMQGYDSVAIEADVELGGTDQKFNIAVGRDLQRHFGQKPQFGVLLPILIGTDGVQKMSKSLGNYVSLSEHPGQKYQKLQGVPDQMLEQYFELLTDLPIDKLPANPRDRQMLLAWEIVKQYHGEQAAQEAKEAAQSGGKEGAVPEFSLAGVPQFPVKLAYLLGATGLCKSTGEGKRKIQEGGVRLDGDRISDADTIFQQPDELQGRVLQVGKNKFVRLVL Ava_0925 398