24.2 AMINO ACIDS 24.2A STRUCTURES AND NAMES CO,H H2N H R AbbrE- NAME VIATION Glycine Gly 6.0 CH3 Alanine Ala 6.0 -CH(CH3)2 Vali Val 6.0 CH2CH(CH3)2 Leucine eu 6.0 CH(CH3 )CH2CH3 norleucine24.2 AMINO ACIDS 24.2A STRUCTURES AND NAMES H2 N H CO2 H R R NAME ABBRE￾VIATION pI -H -CH3 -CH(CH3 ) 2 -CH2CH(CH3 ) 2 -CH(CH3 )CH2CH3 Glycine Alanine Valine e Leucine e Isoleucine e Gly Ala Val Leu Ile 6.0 6.0 6.0 6.0 6.1