Biochem Flashcards
Diseases associated with FA Synthesis/Oxidation
Myopathic CAT/CPT deficiencyMedium Chain Acyl-dehydrogenase deficiency
What does Aminopeptidase cut?
Right of any AA on the amino terminal
Hunter’s
Iduronidase deficiency XRMilder(MPS II)
Diseases associated with Pyruvate Metabolism
Pyruvate Dehydrogenase deficiency
Peak level
4 hours after dose (if too high, decrease dose)
RLE Purine Synthesis
PRPP Synthase
Lateral leg bowing
Ricketts
RLE Urea Cycle
CPS-1
Where does the Pro label send stuff to?
Golgi
Galactosemia
Galactose-1-uridyl-transferase deficiency Cataracts MRLiver damage
Von Gierke’s
Glucose-6-phosphatase deficiency HypoglycemiaHepatosplenomegaly
Osteogenesis Imperfecta presentation
Shattered bones Blue sclera
Diseases associated with Ketone Body Metabolism
DKA, Alcoholic Ketoacidosis
RLE Glycogenolysis
Glycogen Phosphorylase
Ketogenic
Made from and broken down to Acetyl CoALysine and Leucine
Essential FA
Linolenic AcidLinoleic Acid
First Order Kinetics
Constant drug percentage metabolized over timeDependent on concentration
Ehlers Danlos presentation
Hyperstretchable skinHyperextensible joints
Scleroderma presentation
Tight skin
Anderson’s
Branching enzyme deficiencyLong chains of glycogen
Nonsense Mutation
Early stop codon
Lysosomal diseases with gargoyle face
Gaucher’s Hurler’s
Both Ketogenic and Glucogenic
PITTPhenylalanineIsoleucine Threonine Tryptophan
Marfan’s presentation
Wing span longer than heightArachnodactyly Aortic root dilation, aortic aneurysm MVPDislocated lens from the bottom (look up)
Diseases associated with Urea Cycle
CPS deficiencyOrnithine Transcarbamoylase deficiency
Western Blot
Protein
Pellagra
Niacin (B3) deficiency DiarrheaDermatitisDementiaDeath
Gaucher’s
Glucocerebrosidase deficiency Wrinkled tissue - crumpled paper macrophageBone pain
Albinism
Tyrosinase deficiencyNo tyrosine to melanin
Essential Fructosuria
Fructokinase deficiencyExcrete fructose (still have hexokinase)
Frameshift Mutation
+/- 1 or 2 bases
Kd
Concentration of drug that binds 50% of receptors
Essential AA
PVT TIM HALLPhenylalanineValineTryptophan Threonine Isoleucine Methionine Histidine Arginine LysineLeucine
Diseases associated with Gluconeogenesis
Von Gierke’s
Carboxylase
Forms C-C bond using ATP and Biotin
Hydrophobic AA
ValineAlanineIsoleucine
Noncompetitive Inhibition
Binds at regulatory site, efficacy decreases, Vmax decreases, Km no change
Difference between Heterochromatin and Euchromatin
H = tight (inactive)E = loose (active)
Where does the N-terminal sequence send stuff to?
Mitochondria
Marasmus
Calorie deficiency SkinnyStarvation
RLE Beta-Oxidation
CAT-1
Point Mutation
Change in one base
Southern Blot
DNA
What does Carboxypeptidase cut?
Left of any AA on the carboxy terminal
Exothermic reaction
Gives off heat
What AAs does Acid Hydrolysis cut?
Asparagine Glutamine
Lesch-Nyhan
HGPRT deficiencyGoutNeuropathySelf-mutilation
What AAs do Chymotrypsin cut?
PhenylalanineTyrosineTryptophan
RLE Gluconeogenesis
Pyruvate Carboxylase
Scurvy presentation
Bleeding gums and hair follicles
Cori’s
Debranching enzyme deficiencyShort branches of glycogen
Dehydrogenase
Removes H with cofactor
Diseases associated with AA Synthesis/Metabolism
Hartnup’s, PKU, Alkaptonuria, Homocysteinuria, Cystinuria, MSUD, Propionyl-CoA Carboxylase deficiency, Methylmalonyl-CoA Mutase deficiency
Galactosuria
Galactokinase deficiency Cataracts
Sandhoff’s
Hexosaminidase A/B deficiencyWorse
Sythase
Consumes 2 substrates
Endothermic reaction
Consumes heat
N-bond AA
Asparagine Glutamine