LYS-LEU-LYS-LYS-THR-GLU-THR-GLN-GLU-LYS-ASN-PRO-LEU-PRO-SER-LYS-GLU-THR-ILE-GLU-GLN-GLU-LYS H-LYS-LEU-LYS-LYS-THR-GLU-THR-GLN-GLU-LYS-ASN-PRO-LEU-PRO-SER-LYS-GLU-THR-ILE-GLU-GLN-GLU-LYS-OH THYMOSIN B4 (16-38) THYMOSIN BETA4 (16-38) (2S)-6-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]-3-hydroxybutanoyl]amino]-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypro 16-38-Thymosin β4 (cattle) (9CI)