蛋白质计算问题归纳氨基酸的结构通式 C R H C O OH N H H 1 - COOH NH 2 - COOH NH 2 C R H R-C 2 H 4 O 2 NC R H C O OH N H H C R H C O OH N H H C C R 1 O N H H 2 N C COOH R 2 H H + H 2 O + 1 - COOH NH 2 - 21 - COOH NH 2 - 2 3 4 5 n - - - - - - + (n-1)H 2 O 1 - COOH NH 2 - + + + 2 - COOH NH 2 - 3 - COOH NH 2 - 4 - COOH NH 2 - 5 - COOH NH 2 - n - COOH NH 2 - + + + 1 - COOH NH 2 - 2 3 4 5 n - - - - - - + (n-1)H 2 O 脱水数=氨基酸数-肽链数 1 - COOH NH 2 - 2 3 4 5 n - - - - - - + (n-1)H 2 O m条链 mn 个氨基酸 m(n-1) 个H 2 O1 - COOH NH 2 - 2
