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Medical biochemistry enzymes

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Enzyme
Reaction/Fxn
Pathway
Hexokinase   show Glycolysis  
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Phosphoglucoisomerase   show Glycolysis/Gluconeogenesis  
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Phosphofructokinase (PFK)   show Glycolysis  
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Aldolase   show Glycolysis/Gluconeogenesis  
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show Dihydroxyacetone Phosphate <----> Glyceraldehyde 3-phosphate   Glycolysis/Gluconeogenesis  
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Glyceraldehyde 3-phosphate Dehydrogenase   show Glycolysis/Gluconeogenesis  
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Phosphoglycerate Kinase   1,3 Bisphosphogycerate <---> 3-phosphoglycerate   show
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Pyruvate Kinase   show Glycolysis  
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show Pyruvate --> Oxaloacetate   Gluconeogenesis  
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show Oxaloacetate --> Phosphoenolpyruvate (PEP)   Gluconeogenesis  
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show F-1,6-bisP --> F-6-P   Gluconeogenesis  
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Glucose 6-phosphatases   show Gluconeogenesis  
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Pyruvate Dehydrogenase (E1)   TPP + Pyruvate --> Hydroxyethyl-TPP   show
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Dihydrolipoyl Transacetylase (E2   Acetyllipoamide + Coenzyme A --> Acetyl CoA   show
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Dihyrolipoyl dehydrogenase (E3)   show Pyruvate Dehydrogenase Complex  
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show Acetyl CoA + H2O + Oxaloacetate --> Citrate (C6)   TCA Cycle  
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Aconitase   show TCA Cycle  
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Isocitrate Dehydrogenase   show TCA Cycle  
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show alpha-Ketoglutorate --> Succinyl CoA (C4)   TCA Cycle  
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Succinyl CoA Synthetase   Succinyl CoA --> Succinate (C4)   show
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Succinate Dehydrogenase   show TCA Cycle  
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Fumarase   show TCA Cycle  
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Malate Dehydrogenase   show TCA Cycle  
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show G-1-P <---> G-1,6-P <---> G-6-P   Glycogen Synthesis  
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UDP-glucose Pyrophosphorylase   show Glycogen Synthesis  
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show Glucose + AA ---> dimer w/ Glycogen Synthase ---> +8 glucose residues ---> Glycogen Synthases finishes   Glycogen Synthesis  
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Glycogen Synthase   Glycogen(n) + UDP-glucose ---> UDP + Glycogen(n+1)   show
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Branching Enzyme   Cuts 7 terminal units off ---> forms alpha 1-6 linkage 4 units back   show
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show +Adenylate cyclase   Glycogen Synthesis  
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show ATP ---> cyclic AMP   Glycogen Synthesis  
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Cyclic AMP   +PKA   show
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show +Phosphorylase kinase, -Glycogen synthase (b)   Glycogen Synthesis  
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show +Phosphorylase (a)   Glycogen Synthesis  
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Phosphorylase (a)   show Glycogen Synthesis  
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PKA + Ca2+   ++++ Phosphorylase kinase   show
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Protein phosphatase 1 (PP1)   show Glycogen Synthesis  
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Insulin-sensitive protein kinase   +PP1   show
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show act* Glycogen synthase, inact* Phosphorylase kinase and Glycogen phosphorylase   Glycogen Synthesis  
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PKB   inact* GSK-3   show
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show inact* Glycogen synthase   Glycogen Synthesis  
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show TAGs ---> Fatty Acids   Lipoproteins  
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show cleaves TAGs (chylomicron) ---> FA + Glycerol   Lipoproteins  
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Apoprotein B-100   show Lipoproteins  
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show fatty acid packaging ---> circulatory system ---> liver   Lipoproteins  
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VLDL   show Lipoproteins  
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show after liporprotein lipases extract FAs, VLDL --> IDL and is transported to liver   Lipoproteins  
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LDL   show Lipoproteins  
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HDL   show Lipoproteins  
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ACAT   packages VLDL   show
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LCAT   HDL scavages cholesterol   show
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show HSL and perilipin   Lipoproteins  
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show changes conformation, allows lipase to enter lipid droplet   Lipoproteins  
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HSL   enters lipid droplet and cleaves FAs from TAGs   show
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Albumin   show Lipoproteins  
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Lipase   show Lipoproteins  
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Fatty acyl-CoA synthetase   FA + ATP <--> Acyl adenylate + PPi <--> Acyl adenylate + CoA <--> Acyl CoA + AMP   show
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show Acyl CoA + Carnitine ---> Acyl carnitine + CoA   FA Oxidation  
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Translocase   moves Acyl carnitine into Matrix and Carnitine out to cytoplasm   show
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show Acyl carnitine + CoA ---> Acyl CoA + Carnitine   FA Oxidation  
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Acyl-CoA dehydrogenase   show FA Oxidation  
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Enoyl-CoA hydratase   trans-delta2-Enoyl CoA + H2O ---> L-3-Hydroxyacyl CoA   show
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show L-3-Hydroxyacyl CoA + NAD+ ---> 3- Ketoacyl CoA + NADH   FA Oxidation  
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Acyl-CoA acetyltransferase (thiolase)   3-Keyoacyl CoA + CoA ---> Acyl CoA + Acetyl CoA   show
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delta3, delta2 -enoyl-CoA isomerase   converts cis-monosaturated FA ---> trans double bond, oxidizable by regular mechanism   show
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Enoyl-CoA isomerase   acts on 1st db of polyunsaturated FAs and also trans-delta3   show
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2,4-dienoyl-CoA reductase   show FA Oxidation  
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Propionyl-CoA carboxylase   show Odd Chain FA  
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Methylmalonyl-CoA epimerase   D-Methylmalonyl-CoA ---> L-Methylmalonyl-CoA   show
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show L-Methylmalonyl-CoA ---(B12)---> Succinyl-CoA   Odd Chain FA  
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Citrate Synthase   show FA Biosynthesis  
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Citrate transporter   moves Citrate out of Mitochondria   show
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show Citrate + CoA + ATP ---> Acetyl-CoA + ADP + Pi   FA Biosynthesis  
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Malate Dehydrogenase   Oxaloacetate + NADH + (H+) ---> Malate + NAD+   show
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Malate-alpha-ketoglutarate transporter   show FA Biosynthesis  
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Malic Enzyme   Malate + NADP+ ---> NADPH + (H+) + CO2 + Pyruvate   show
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show brings Pyruvate into matrix   FA Biosynthesis  
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Pyruvate Carboxylase   show FA Biosynthesis  
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Malate Dehydrogenase   Malate + NAD+ ---> Oxaloacetate + NADH + (H+)   show
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show Acetyl-CoA + HCO3 + ATP ---> Malonyl-CoA + ADP + Pi + (H+)   FA Biosynthesis  
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Malonyl-CoA-ACP transacylase   show FA Biosynthesis  
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Acetyl-CoA-ACP transacylase   Acetyl-CoA + ACP ---> Acetyl-ACP + CoA   show
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beta-Ketoacyl synthase (condensing)   Acetyl-ACP + Malonyl-ACP ---> Acetoacetyl-ACP + ACP + CO2   show
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show Acetoacetyl-ACP + NADPH ---> D-3-Hydroxbutyryl-ACP + NADP+   FA Biosynthesis  
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show D-3-Hydroxybutyryl-ACP ---> H2O + Crotonyl-ACP   FA Biosynthesis  
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Fatty acyl-CoA desaturase   extracts electrons from 2 diff substrates and creates a double bond (saturated fatty acyl-CoA)   show
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Carbamoyl phosphate synthetase I (CPS I)   show Pyrimidine Synthesis  
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Aspartate trans-carbamoylase (ATCase)   show Pyrimidine Synthesis  
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Orotate phosphoribosyl transferase   Orotate + 5--phosphoribosyl-1-pyrophosphate (PRPP) ---> Orotidylate   show
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show Orotidylate ---> Uridylate (UMP)   Pyrimidine Synthesis  
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UMP kinase   show Pyrimidine Synthesis  
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Nucleoside diphosphate kinase   UDP + YTP ---> UTP + YDP   show
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show UTP + NH3 + ATP ---> CTP + ADP + Pi   Pyrimidine Synthesis  
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PRPP synthetase   Ribose 5-phosphate ---> PRPP   show
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Glutamine phosphoribosyl amidotransferase   show Purine Synthesis  
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IMP dehydrogenase   show Purine Synthesis  
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Adenylosuccinate synthetase   IMP + GTP + Aspartate ---> Adenylsuccinate ---> Adenylate (AMP)   show
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HMG-CoA synthase   show Cholesterol Synthesis  
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HMG-CoA reductase   HMG-CoA ---> Mevalonate   show
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Squalene synthase   Farnesyl pyrophosphate + Farnesyl pyrophosphate ---> Squalene (C30)   show
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show Lanosterol --(19 steps)--> Cholesterol   Cholesterol Synthesis  
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show Cholesterol ---> Cholesteryl ester (LDL form)   Cholesterol Synthesis  
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Glutaminase   show AA Synthesis  
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show alpha-Ketoglutarate + Amino Acid ---> Glutamate + alpha-Keto acid   AA Synthesis  
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ALT   show Cahill Cycle  
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show Glutamate <-[schiff base]--> NH4+ + alpha-Ketoglutarate   Urea Cycle  
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Carbamoyl phosphate synthetase-1   Bicarb + 2ATPs ---> ---> Carbamoyl phosphate   show
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show Orthine +Carbamoyl phosphate ---> Citrulline   Urea Cycle-Mito  
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Argininosuccinate synthetase   show Urea Cycle-Cyto  
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show Argininosuccinate ---> Arginine + Fumarate   Urea Cycle-Cyto  
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Arginase   show Urea Cycle-Cyto  
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Pyridoxal phosphate (PLP)   co-enzyme for aminotransferase = transamination   show
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Pyridoxamine phosphate   co-enzyme for aminotransferase = transamination   show
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show Glutamate ---> [Schiff base] ---> alpha-Ketoglutarate + NH4+   Urea Cycle  
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show Tryptophan ---> Alanine ---> Pyruvate   AA Catabolism  
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Serine dehydratase (PLP)   show AA Catabolism  
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show Cysteine ---> Pyruvate   AA Catabolism  
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Serine hydroxylmethyl transferase   Threonine ---> Serine + Folate   show
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Glycine cleavage enzyme   Glycine ---> NH4+ Folate   show
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Phenylalanine hydroxylase (PKU)   show AA Catabolism  
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show Homogentisate ---> Maleylacetoacetate   AA Catabolism  
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show a-Ketoglutarate ---> Glutamate   AA Synthesis  
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show Glutatmate ---> Glutamine   AA Synthesis  
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ALT   show AA Synthesis  
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AST   show AA Synthesis  
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show Aspartate ---> Asparagine   AA Synthesis  
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show Glutamate ---> Ornithine <---> Proline <---> Ornithine <--- Arginine   AA Synthesis  
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show 3-Phosphoglycerate ---> 3-Phosphohydroxyl pyruvate ---> 3-phosphoserine ---> Serine   AA Synthesis  
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show Serine + THF ---> Glycine + 5,10-methylTHF   AA Synthesis  
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Glycine synthase   CO2 + NH4 + 5,10-MethylTHF ---> Glycine + THF   show
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SAM   Met + ATP ---> SAM   show
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SAM   show AA Synthesis  
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Methionine synthase (B12)   show AA Synthesis  
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none   show AA Synthesis  
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Tyrosine hydroxylase   Tyrosine ---> L-Dopa   show
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Aromatic AA decarboxylase   L-Dopa ---> Dopamine   show
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Dopamine hydroxylase   show Catacholamine Synthesis  
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Ph-N-Methyltransferase   show Catacholamine Synthesis  
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Aromatic AA decarboxylase   Tryptophan ---> Serotonin   show
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Glutamate decarboxylase   show Catacholamine Synthesis  
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Histadine decarboxylase   show Catecholamine Synthesis  
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heme syn 1   Succinyl-CoA + Glycine ---> g-Aminolevulinate   show
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heme syn 2   (2) g-Aminolevulinate ---> Porphobilogen   show
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Porphobilinogen deaminase   Porphobilogen ---> linear Terapyrrole + 4NH3+   show
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Uroporphyrinogen synthase + (uroporphyrinogen III)   Uroporphyrinogen III (isoenzyme)   show
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heme syn 5   Uroporphyrinogen III + Methyl ---> Coproporphyrinogen III + Vinyl ---> Protoporhyrin IX   show
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Ferrochetalase   show Heme Synthesis  
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Heme oxygenase   Heme ---> Biliverdin + CO-   show
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Biliverdin reductase   show Heme Degradation  
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show Bilirubin changed - transported to intestine - changed back to Bilirubin (bile) ---> Urobilinogen ==> Stercobilin (feces), Urobilin (kidney-urine)   Heme Degradation  
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g-Glutanyl cysteine synthetase   show Glutathione Synthesis  
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Glutathione synthetase   show Glutathione Synthesis  
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show GSH ---> GSSG (glutathione dimer w/ disulfide bridge)   Glutathione Synthesis  
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Glutathione reductase   show Glutathione Synthesis  
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Creatine kinase   show Glutathione Synthesis  
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Ribonucleotide reductase   show Deoxyribonucleotide Syn  
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Thymidylate synthase   show Deoxyribonucleotide Syn  
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show Dihydrofolate + NADPH ---> THF + NADP+   Deoxyribonucleotide Syn  
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none   show Deoxyribonucleotide Syn  
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show Thymidylate synthase inhibitor   Deoxyribonucleotide Syn  
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Aminopterin & methotrexate   show Deoxyribonucleotide Syn  
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Adenine phosphoribosyltransferase   Adenine + PRPP ---> Adenylate + PPi   show
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Hypoxanthine-guanine phosphoribosyltransferase (HGPRT)   Hypoxanthine + PRPP ---> inosinate + PPi   show
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show Guanine + PRPP ---> Guanylate + PPi   Purine Salvage Pathway  
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show Orotate + PRPP ---> Orotidylate   Pyrimidine Salvage Pathway  
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Xanthine Oxidase   AMP ---> IMP ---> Hypoxanthine ---> Xanthine ---> Uric acid ---> Urate   show
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Guanase   Guanine ---> Xanthine ---> Uric acid ---> Urate   show
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Allopurinol   Xanthine oxidase inhibitor = gout treatment   show
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show Allopurinol ---> Alloxanthine   Gout treatment  
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