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cas 51-35-4 L-Hydroxyproline Amino acid glycoprotein Gelatini Hydrolyzed

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  • CAS NO:cas 51-35-4
  • Igoa:L-Hydroxyproline
  • Fua fa'atatau kemikolo:C5H9NO3
  • fomu:pauta
  • Molar mass:131.13
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    Fa'aoga

    I le 1902, na vavae ese ai e Hermann Emil Fischer le hydroxyproline mai le gelatin hydrolyzed.I le 1905, na faʻapipiʻiina ai e Hermann Leuchs se faʻafefiloi racemic o le 4-hydroxyproline.

    Hydroxyproline e ese mai le proline i le i ai o vaega hydroxyl (OH) faʻapipiʻi i gamma carbon atoms.

    O le Hydroxyproline e maua mai i le hydroxylation o le amino acid proline e le prolyl hydroxylase pe a uma le faʻaogaina o le porotini.O gaioiga e fa'aosoina e le enzyme e tupu i totonu o le endoplasmic reticulum lumen.E ui lava e le o tuʻufaʻatasia saʻo i totonu o polotini, o le hydroxyproline e fausia ai le tusa ma le 4 pasene o amino acids uma o loʻo maua i totonu o manu, sili atu nai lo isi amino acids e fitu ua tuʻufaʻatasia.

    collagen
    O le Hydroxyproline o le vaega autu lea o le collagen, e tusa ma le 13.5% o le collagen mammalian.O le hydroxyproline ma le proline e fai se sao taua i le mautu o le collagen.Latou te fa'ataga le mimilo fa'atosina o collagen.I le collagen masani XAa-Yaa-Gly triplet (lea Xaa ma Yaa so o se amino acid), o le proline nofoia le tulaga Yaa e hydroxylated e maua ai le faasologa XAa-hyp-Gly.O lenei suiga o toega proline e faʻateleina ai le mautu o le collagen triple helix.Na mua'i fa'atonuina o le mautu na mafua ona o le fa'atūina o se feso'ota'iga o so'oga hydrogen i le va o le prolyl hydroxyl group ma le backbone carbonyl group.Na mulimuli ane fa'aalia o le fa'atupula'ia o le mautu e fa'atatau i a'afiaga o le stereoelectronic, fa'atasi ai ma le fa'amamaina o toega o le hydroxyproline e maua ai sina mautu pe leai.

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