>sp|F6X2V8|MTAP_CIOIN S-methyl-5'-thioadenosine phosphorylase OS=Ciona intestinalis MMESGDRQNNKIGIIGGSGLESIELFTVKDKVNCNTPYGKPSSSLINGTLNGIECVLLSR HGDSHDIMPTDVNYRANLYALKEAGCSIILATTACGSLQEELKPTDFVVIDQFIDRTTKR HSTFYDGQNVQMKGVCHIPMRNPFCEKLQNVLLSACNVNNVSCHSKGTMVTIEGPRFSTY AESNLFRKWGGSLINMTTVPEVVLANELGMLYAALAMVTDYDCWKEDHASVNVENVMKTM KVNRGNALKVLVSAVEIISKQNLQPDIQLAEKNAKNSVML