DISTRIBUCION DE GLUCOSA EN EL

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DISTRIBUCION DE GLUCOSA EN EL GLUCOLISIS DISTRIBUCION DE GLUCOSA EN EL PERIODO POSPRANDIAL 60% HIGADO  GLUCOGENO 25% CEREBRO  CO2 TEJIDO MUSCULAR  GLUCOGENO + CO2 15% TEJIDO ADIPOSO  TRIGLICERIDOS

O CH2OH OH HO O CH2OPO3- OH HO + ATP HEXOCINASA* *REACCION IRREVERSIBLE Glucosa + ADP Glucosa 6- fosfato

O CH2OPO3- OH HO O CH2OH OH HO C H2 OPO3- GLUCOSA-6P ISOMERASA Glucosa 6- fosfato Fructosa 6-fosfato

O CH2OH OH HO C H2 OPO3- + ATP CH2OPO3- + ADP Fructosa 1,6-difosfato FOSFOFRUCTO CINASA-I* CH2OPO3- + ADP Fructosa 1,6-difosfato Fructosa 6-fosfato

Dihidroxiacetona fosfato CH2OPO3- OH HO C H2 OPO3- C=O CH C-OH HO- H- CH2OH + ALDOLASA Fructosa 1,6-difosfato (hemicetal) Fructosa 1,6-difosfato (cetosa) Gliceraldehído 3-fosfato

Dihidroxiacetona fosfato Gliceraldehído 3-fosfato CH2OPO3- C=O CH2OH C-OH H- FOSFOTRIOSA ISOMERASA Dihidroxiacetona fosfato Gliceraldehído 3-fosfato

Gliceraldehído 3-fosfato 1,3-bifosfoglicerato C-OH CH2OPO3- C=O H- + NAD+ + Pi GLICERALDEHIDO-3P DESHIDROGENASA C-OPO3- = O + NADH + H+ Gliceraldehído 3-fosfato 1,3-bifosfoglicerato

C-OH CH2OPO3- C-OPO3- H- = O + ADP C-O- + ATP 3-fosfoglicerato CINASA + ADP C-O- + ATP 3-fosfoglicerato 1,3-bifosfoglicerato

C-OH CH2OPO3- C-O- H- = O C-OPO3- CH2OH 3-fosfoglicerato MUTASA C-OPO3- CH2OH 3-fosfoglicerato 2-fosfoglicerato

ENOLASA C-OPO3- CH2OH C-O- H- = O CH2 + H2O 2-fosfoglicerato fosfoenolpiruvato

C=O CH2OH C-O- = O PIRUVATO CINASA* C-OPO3- CH2 + ADP + ATP fosfoenolpiruvato piruvato

C=O CH2OH C-O- = O LACTATO DESHIDROGENASA C-OH H- lactato piruvato

REGULACION ALOSTERICA DE LA PFK-1

REGULACION ALOSTERICA DE LA PFK-1

CONTROL DE LA [FRUCTOSA-2,5-BISFOSFATO]

CONTROL DE LA PIRUVATO CINASA