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Fruktosa 6-fosfat

Fruktosa 6-fosfat
Nama
Nama IUPAC
[(2R,3R,4S)-3,4,5-trihydroxy-5-(hydroxymethyl)oxolan-2-yl]methoxyphosphonic acid
Nama lain
β-D-fructose 6-phosphate,
fructose 6-phosphate
Pengecam
Imej model 3D Jmol
Singkatan F6P
ChEBI
ChemSpider
ECHA InfoCard 100.010.360
UNII
  • InChI=1S/C6H13O9P/c7-2-6(10)5(9)4(8)3(15-6)1-14-16(11,12)13/h3-5,7-10H,1-2H2,(H2,11,12,13)/t3-,4-,5+,6+/m1/s1 ☑Y
    Key: BGWGXPAPYGQALX-ZXXMMSQZSA-N ☑Y
  • InChI=1/C6H13O9P/c7-2-6(10)5(9)4(8)3(15-6)1-14-16(11,12)13/h3-5,7-10H,1-2H2,(H2,11,12,13)/t3-,4-,5+,6+/m1/s1
    Key: BGWGXPAPYGQALX-ZXXMMSQZBI
  • O=P(O)(O)OC[C@H]1O[C@@](O)(CO)[C@@H](O)[C@@H]1O
Sifat
C6H13O9P
Jisim molar 260.14 g/mol
Kecuali jika dinyatakan sebaliknya, data diberikan untuk bahan-bahan dalam keadaan piawainya (pada 25 °C [77 °F], 100 kPa).
 ☑Y pengesahan (apa yang perlu☑Y/N?)
Rujukan kotak info

Fruktosa 6-fosfat (kadangkala dipanggil ester Neuberg) ialah terbitan fruktosa, yang telah difosforilasi pada kumpulan 6-hidroksi. Ia adalah salah satu daripada beberapa kemungkinan fruktosa fosfat . Bentuk β- D sebatian ini sangat biasa dalam sel.[1][2] Sebahagian besar glukosa ditukar kepada fruktosa 6-fosfat apabila memasuki sel. Fruktosa kebanyakannya ditukar kepada fruktosa 1-fosfat oleh fruktokinase berikutan import selular.

Glikolisis

[sunting | sunting sumber]

Fruktosa 6-fosfat terletak dalam laluan metabolisme glikolisis, dan dihasilkan melalui pengisomeran glukosa 6-fosfat. Ia seterusnya difosforilasi kepada fruktosa 1,6-bisfosfat.

α-D-glukosa 6-fosfat Fosfoglukosa isomerase α-D-fruktosa 6-fosfat Fosfofruktokinase-1 α-D-fruktosa 1,6-bisfosfat
   
ATP ADP
Pi H2O
   
  Fosfoglukosa isomerase   Fruktosa bisfosfatase
  1. ^ Berg, Jeremy M.; Tymoczko, Stryer (2002). Biochemistry (ed. 5th). New York: W.H. Freeman and Company. ISBN 0-7167-3051-0.
  2. ^ Nelson, D. L.; Cox, M. M. "Lehninger, Principles of Biochemistry" 3rd Ed. Worth Publishing: New York, 2000. ISBN 1-57259-153-6
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Fruktosa 6-fosfat
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