Tyrosine Know your Amino Acids fact sheet: Full name Tyrosine 3 letter name Tyr 1 letter name Y What you see: What a biochemist sees: Speciality – Sources (animal) – Sources (plant) – Chemical formula C9H11NO3 Essential X Non-essential – Hydrophobic – Hydrophilic (neutral) X (positive) – (negative) – Learn more… <- GO BACK