磷酸戊糖途徑糖異生及糖原合成(更新版)
【正文】 OHCCCCCCH 2 O P O 3 H 2H O HHOHO HHHOO HCH 2 OHCCCCH 2 O PO 3 H 2OH O HHNADP+ NADPH+H+ O HCH2OHCCCCH2O PO3H2OH O HH5磷酸核酮糖 ribulose 5phosphate 6磷酸葡萄糖酸脫氫酶 6phosphogluconate dehydrogenase (4) 三種五碳糖的互換 O HCH2OHCCCCH2O PO3H2OH O HH5磷酸核酮糖 ribulose 5phosphate H O HO HCHOCCCCH2O PO3H2H O HH5磷酸核糖 ribose 5phosphate 異構(gòu)酶 O HCH2OHCCCCH2O PO3H2OHOHH5磷酸木酮糖 xylulose 5phosphate 差向酶 （ 5) 二分子五碳糖的基團(tuán)轉(zhuǎn)移反應(yīng) O HCH2OHCCCCH2O PO3H2OHOHH5磷酸核酮糖 ribulose 5phosphate H O HO HCHOCCCCH2O PO3H2H O HH5磷酸核糖 ribose 5phosphate O HCHOCCH 2 O PO 3 H 2H3磷酸甘油醛 glyceraldehyde 3phosphate HOHH O HO HCCCCCH2O PO3H2H O HHCH2OHC O7磷酸景天糖 sedoheptulose 7phosphate (6)七碳糖與三碳糖的基團(tuán)轉(zhuǎn)移反應(yīng) HOHH O HO HCCCCCH2O PO3H2H O HHCH2OHC O7磷酸景天糖 sedoheptulose 7phosphate O HCHOCCH 2O PO 3H 2H3磷酸甘油醛 glyceraldehyde 3phosphate O HCHOCCCH 2O PO 3H 2H O HH4磷酸赤蘚糖 erythrose 4phosphate H O HO HCCCH2O PO3H2HHOHCH2OHCCO6磷酸果糖 fructose 6phosphate Mg2+或Mn2+ 轉(zhuǎn)酮醇酶與轉(zhuǎn)醛醇酶 HOHCH 2OHCCOCH2OHC O 轉(zhuǎn)酮醇酶 (transketolase)就是催化含有一個(gè)酮基、一個(gè)醇基的二碳基團(tuán)轉(zhuǎn)移的酶。其接受體是醛，輔酶是 TPP。其接受體是亦是醛，但不需要 TPP。 磷酸戊糖途徑 (phosphopentose pathway) 又稱 磷酸已糖旁路 (hexose monophosphate shunt,HMS) 或 WarburgDikens
研究報(bào)告相關(guān)推薦
鄂ICP備17016276號(hào)-1