Peptide daim ntawv cog lus muaj cov phiaj xwm, hloov pauv, teeb tsa thiab nkag mus kev sib hloov me melossis twisting ib ncig ntawm amide daim ntawv cog lus uas txuas cov α-amino nitrogen ntawm ib qho amino acid rau carbonyl carbon. ntawm cov tom ntej (Daim duab 4-1).
Vim li cas kev sib hloov ntawm peptide daim ntawv cog lus txwv tsis pub?
Vim li cas kev sib hloov ntawm peptide daim ntawv cog lus txwv tsis pub, thiab dab tsi yog qhov tshwm sim ntawm qhov tsis muaj kev sib hloov? Daim ntawv cog lus peptide muaj ib feem ob daim ntawv cog lus, uas tiv thaiv kev sib hloov. Qhov tsis muaj kev sib hloov no txwv qhov kev hloov pauv ntawm peptide qaum qaum thiab txwv cov qauv tsim tau.
Peptide bonds Khoov?
Txij li lub pob txha ntawm polypeptide, tuav ua ke los ntawm peptide daim ntawv cog lus, yog yoog raws (vim "kev sib hloov ntawm txhua daim ntawv cog lus"), cov saw tuaj yeem khoov, ntswj, thiab flex mus rau hauv ntau yam loj ntawm peb seem duab.
Peptide daim ntawv cog lus puas thim rov qab?
Txawm hais tias peptide daim ntawv cog lus kev tsim tuaj yeem thim rov qab los ntawm kev ntxiv dej (hydrolysis), amide bonds ruaj khov hauv dej ntawm nruab nrab pH, thiab hydrolysis ntawm peptide bonds hauv hlwb kuj tseem tswj tau enzymatically.
Peptide daim ntawv cog lus puas muaj kev taw qhia?
Txawm hais tias lub geometry ntawm pab pawg peptide yog tsau, cov ntawv cog lus ntawm ob sab ntawm alpha carbons tuaj yeem tig. Qhov no tso cai rau kev hloov pauv hauv peptide qaum. … Cov kab ke ntawm cov amino acids hauv cov protein muaj kev taw qhia lossiskev taw qhia uas txhais los ntawm cov pab pawg ua haujlwm ntawm qhov kawg ntawm cov saw hlau.
