ABBRE R NAME Ⅵ IATION -CH(CH3 )OH Threonine 6.5 2C OH Tyrosine yr 5.7 HOOCCH-CH, HN、CH Hyroxyproline yp 6.3 (complete structure) CHOSH Cysteine Cys 50 H2 aa- S Cystine ys-cyS CHoCHSCH Methionine Met 5.8 CHCOOH Aspartic acid A 3.0R NAME ABBRE￾VIATION pI -CH(CH3 )OH H2 C OH HN C H2 CH HOOC CH CH2 (complete structure) OH Threonine e Tyrosine Hyroxyproline Thr Tyr Hyp 6.5 5.7 6.3 -CH2 SH H2 C S S H2 C -CH2 CH2 SCH3 -CH2 COOH Cysteine Cystine Methionine e Aspartic acid Cys Cys-Cys Met Asp 5.0 5.1 5.8 3.0