怎么样判断肽健数？
\u9ad8\u4e00\u751f\u7269\u9898\uff1a\u80bd\u5065\u6570=\uff08 \uff09=\uff08 \uff09-\uff08 \uff09\u80bd\u952e\u6570=\u8131\u53bb\u6c34\u5206\u5b50\u6570=\u6c28\u57fa\u9178\u6570-\u80bd\u94fe\u6570
\u6c28\u57fa\u9178\u662f\u6307\u542b\u6709\u6c28\u57fa\u7684\u7fa7\u9178\u3002\u751f\u7269\u4f53\u5185\u7684\u5404\u79cd\u86cb\u767d\u8d28\u662f\u753120\u79cd\u57fa\u672c\u6c28\u57fa\u9178\u6784\u6210\u7684\u3002\u9664\u7518\u6c28\u9178\u5916\u5747\u4e3aL\uff0d\u03b1\uff0d\u6c28\u57fa\u9178\u5176\u4e2d\uff08\u812f\u6c28\u9178\u662f\u4e00\u79cdL\uff0d\u03b1\uff0d\u4e9a\u6c28\u57fa\u9178\uff09\uff0c\u5176\u7ed3\u6784\u901a\u5f0f\u5982\u56fe\uff08R\u57fa\u4e3a\u53ef\u53d8\u57fa\u56e2\uff09\uff1a R \u2014NH2 \u6c28\u57fa
\u2502 \u2014COOH \u7fa7\u57fa
NH2 \u2014 C \u2014COOH 20\u79cdR\u57fa\u56e2
\u2502 \uff088\u79cd\u5fc5\u987b\u6c28\u57fa\u9178\uff0c12\u79cd\u975e\u5fc5\u987b\u6c28\u57fa\u9178\uff09
H
\u591a\u80bd\u662f\u6709\u6c28\u57fa\u9178\u901a\u8fc7\u8131\u6c34\u7f29\u5408\u800c\u7ec4\u6210\u7684\u5316\u5408\u7269\uff0c\u6709\u51e0\u4e2a\u6c28\u57fa\u9178\u5c31\u53eb\u505a\u51e0\u80bd\uff0c\u591a\u4e86\u5c31\u53eb\u591a\u80bd\uff1b\u4e24\u4e2a\u6c28\u57fa\u9178\u8131\u6c34\u7f29\u5408\u4f4d\u7f6e\u662f\u56fa\u5b9a\u7684 \uff0c\u770b\u5230\u591a\u80bd\u627e\u6c28\u57fa\u9178\u4e2d\u95f4\u7684C\u548c\u8131\u6c34\u7f29\u5408\u7684\u80bd\u952e\uff0c\u4f60\u53ef\u4ee5\u7528\u7b14\u5728\u80bd\u952e\u5730\u65b9\u65ad\u5f00\uff0c\u6700\u540e\u67e5\u4e00\u4e0b\u6709\u51e0\u4e2a\u6c28\u57fa\u9178\uff0c\u5c31\u53eb\u505a\u51e0\u80bd\uff1b\u8fd9\u51e0\u4e2a\u6c28\u57fa\u9178\u7684R\u57fa\u56e2\u4ee3\u8868\u4e86\u6c28\u57fa\u9178\u7684\u79cd\u7c7b\uff0c\u4e00\u79cdR\u57fa\u76f8\u5e94\u5730\u4ee3\u8868\u4e00\u79cd\u6c28\u57fa\u9178 \u3002
单链氨基酸个数减一，多肽链为氨基酸个数减n n为肽链数
绛旓細棣栧厛鍒ゆ柇璇ヨ泲鐧借川鏄灏戞潯閾撅紝鍋囧鏄袱鏉￠摼鐨勫崄鑲铔嬬櫧璐紝鑲介敭鏁=10-2=8
绛旓細鏈澶氳偨閿暟=姘ㄥ熀閰告暟-鑲介摼鏁般傜劧鑰屼竴鑸笉鐭ラ亾鍒板簳鏈夊灏戜釜渚ч摼涔熷氨涓嶈兘纭畾鑲介敭鏁帮紝鎵浠ュ彧鑳界煡閬撴渶澶氭槸17-1=16.鍥犱负姘師瀛愬湪姘ㄥ熀閲屼竴涓皑鍩洪噷鑷冲皯鏈変竴涓爱鍘熷瓙锛屾墍浠ユ渶澶氭槸16涓
绛旓細鍥炵瓟锛氭垜涔熸墠楂樹簩浣犲厛鐪嬬湅涔﹀晩!鑳芥噦鐨鑲藉仴灏辨槸缁撳眬鍚堟皑鍩洪吀鐨勪腑闂撮偅涓í,鑲介摼灏辨槸涓涓泲鐧借川閲岄潰鏈夊灏戜釜鐢辫偨閿帴鍚堢殑M涓皑鍩洪吀銆傚洜涓烘瘡涓皑鍩洪吀蹇呮湁h2n鍜宑ooh灏辨湁鍓嶈呰劚涓狧鍚庤呰劚涓狾H,灏辩粍鎴愪竴涓按,浣犱笂璇剧潯瑙変簡鍟,鍏跺疄鏈濂界殑鍔炴硶鏄棶鍚屽
绛旓細澶卞幓鐨勬按鍒嗗瓙鏁扮瓑浜庡舰鎴愯偨閿殑鏁扮洰绛変簬49
绛旓細1.姘ㄥ熀鑷冲皯9涓 [鍥犱负姣忎釜鑲介摼鑷冲皯鏈変竴涓皑鍩哄拰涓涓晶鍩,鍏1+2+3+3=9涓猐鑲藉仴42涓 [浜岃偨鏈変竴涓偨鍋ワ紝涓夎偨鏈変袱涓偨鍋ワ紝浠ユ绫绘帹,鍏1+2*4+3*5+3*6=42涓猐姘村垎瀛42 [杩欎簺鑲介摼鏈夊灏戜釜鑲藉仴,灏辫澶氬皯涓按鍒嗗瓙,鑻ュ垎瑙ｆ垚杩9涓煭鑲斤紝鍒欓渶瑕佺殑姘村垎瀛愭暟閲忔槸9涓俔2.姝荤粏鑳烇紝鑷韩...
绛旓細鑴辨按鏁=鑲介敭鏁=姘ㄥ熀閰告暟-鑲介摼鏁 姘ㄥ熀锛堢晶鍩猴級鏁=鑲介摼鏁+R鍩轰腑鐨勬皑鍩猴紙缇у熀锛夋暟
绛旓細澶╁啲閰拌兒鐨凴鍩哄惈鏈1涓狽锛 2涓ぉ鍐叞鑳虹殑R鍩哄氨鐢ㄥ幓2涓狽锛岃繕鍓17-2=15涓狽 棰樼洰瑕佹眰鏈澶氭湁鑲藉仴澶氬皯锛屾渶澶氱殑褰撶劧鏄疦閮界敤浜庢瀯鎴愭皑鍩轰簡锛屾墍浠ュ亣璁炬瀯鎴愯澶氳偨鐨勫叾浠栨皑鍩洪吀鐨凴鍩洪兘涓嶅惈N锛屼篃灏辨槸璇村寘鎷2涓ぉ鍐叞鑳哄湪鍐咃紝涓鍏辨湁15涓皑鍩洪吀鏋勬垚璇ュ鑲斤紝鐜偨鐨勮偨閿釜鏁鑲藉仴鏁=姘ㄥ熀閰告暟锛岃鏈澶氾紝鍗15銆
绛旓細鎬绘皑鍩洪吀鏁板噺鍘昏偨閾炬暟
绛旓細姘ㄥ熀閰告槸铔嬬櫧璐ㄧ殑鍩烘湰鍗曚綅锛岀敱瀹冩瀯鎴愰暱鐨勬垨鏄煭鐨鑲娈碉紝濡傛灉褰㈡垚鐨勬槸鍏锋湁涓夌骇銆佸洓绾х粨鏋勭殑鍏锋湁鐢熺墿瀛﹀姛鑳界殑鐗╄川灏辨槸铔嬬櫧璐ㄤ簡銆傛皑鍩洪吀鐨勪袱绔垎鍒湁涓や釜鍩哄洟鈥斺旀皑鍩猴紝琛ㄧず锛-NH2锛2鏄笅鏍囷級锛涚晶鍩猴紝琛ㄧず锛-COOH銆傛墍浠ユ皑鍩洪吀鏄竴涓袱鎬х墿璐紝鍚屾椂鍏锋湁纰辨у拰閰告с傛皑鍩洪吀涔嬮棿闈犱袱涓熀鍥㈣劚姘磋繛鎺ヨ捣鏉ワ紝杩欎釜杩炴帴...
绛旓細2涓皑鍩洪吀鑴1姘村舰鎴1涓偨鍋ユ瀯鎴1涓2鑲斤紝鍒橬涓皑鍩洪吀鑴盢-1涓按鏋勬垚N-1涓偨鍋ュ舰鎴怤鑲斤紝鏈鑲藉仴鏁=姘ㄥ熀閰告暟-鑲介摼鏁
