>sp|Q5U4U6|T23O_XENLA Tryptophan 2,3-dioxygenase OS=Xenopus laevis GN=tdo2 MSGCPFMAKKHHFTFSELSLEDKHEDNSQEGLNKASKGGLIYGDYLQLDKVLNAQELQSE KKGNKIHDEHLFIVTHQAYELWFKQILWELDSVREIFQNGHVRDERNMLKVVARIHRISM ILKLLVEQFSVLETMTAMDFFDFRDYLSPASGFQSLQFRLLENKIGVPEILRVPYNRRHY RDNFKGETNELLLRSEQEPTLLGLVEAWLERTPGLEEEGFHFWGKLEVNIFRALEEELQA AKTKPDSEDKEEHLAELQKQKELFGALFDERRHEHLLSKGERRLSYKALKGALMINFYRE EPRFQVPFQLLTSLMEIDTLMTKWRYNHVCMVHRMIGSKAGTGGSSGYQYLRSTVSDRYK VFVDLFNLSTYLVPRHWVPRLNPSIHKFLYTAECCDSSYFSSDDSD