Search for dissertations about: "catalytic triad"

Showing result 1 - 5 of 18 swedish dissertations containing the words catalytic triad.

2. 1. Structure-function relationships of hormone-sensitive lipase

   Author : Torben Österlund; Institutionen för translationell medicin; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Proteins; mutagenesis; domain; fold; catalytic triad; lipase; structure; enzymology; Proteiner; enzymologi;

   Abstract : The primary role of hormone-sensitive lipase (HSL), an 84 kDa enzyme of 768 amino acids (in the rat protein), is to hydrolyse stored triacylglycerols in adipocytes of white adipose tissue. Catecholamines and insulin regulate lipolysis through cellular signalling. READ MORE

4. 2. Gene fusion in protein engineering : design of novel peptides and bifunctional enzymes

   Author : Sarah Fredriksson; Tillämpad biokemi; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cadmium; Bifunctional enzyme; Catalytic triad; Channeling; Coenzyme recycling; Galactose dehydrogenase; ß-Galactosidase; Gene fusion; Hexapeptide; Lactate dehydrogenase; Linker region; Multifunctional enzymes; Oligomeric protein; NADH; Phage; OmpA; Biochemistry; Biokemi; metabolism; Biotechnology; Bioteknik;

   Abstract : The gene fusion technique is widely used in protein engineering and in this thesis it constitutes the basis of both the construction of artificial bifunctional enzymes and the display of two novel peptides. Artificial bifunctional enzymes have been used as model systems in the studies of native multifunctional enzymes and proximity effects within these complexes. READ MORE

5. 3. Monoglyceride Lipase and Hormone-Sensitive Lipase - Molecular and structural aspects

   Author : Marie Karlsson; Institutionen för experimentell medicinsk vetenskap; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; genomic organisation; baculovirus-insect cells; catalytic triad; alfa beta hydrolase fold; tissue distribution; cDNA sequence; lipolysis; adipocyte; monoglyceride lipase; hormone-sensitive lipase; chromosomal localisation; Clinical biology; Klinisk biologi;

   Abstract : Triglycerides in the adipocyte are hydrolysed by means of three consecutive reactions through the combined action of two lipases: hormone-sensitive lipase (HSL) and monoglyceride lipase (MGL). HSL catalyses the first and rate-limiting step, i.e. READ MORE

6. 4. Towards Classification and Functional Description of Enzymes: A case study of feruloyl esterases

   Author : Gupta Udatha; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; descriptors; enzyme immobilization; catalytic triad; pharmacophore; enzyme promiscuity; functional classification; molecular docking; feruloyl esterases; protein evolution; structure-function relationship;

   Abstract : The prediction of enzyme functionality from sequence or structure data remains a challenging task that can be best addressed by studying the structure-function relationships determined from previously available information. This thesis work was focused on developing a reliable classification and functional description for the feruloyl esterase (FAE) enzyme family, whose members’ possess both structural and catalytic promiscuity. READ MORE

7. 5. Exploiting enzyme promiscuity for rational design

   Author : Cecilia Branneby; Karl Hult; Alex Zaks; KTH; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Biochemistry; Candida antarctica lipase B; alanine racemase; substrate specificity; reaction specificity; enzyme catalytic promiscuity; Biokemi; Biochemistry; Biokemi;

   Abstract : Enzymes are today well recognized in various industrial applications, being an important component in detergents, and catalysts in the production of agrochemicals, foods, pharmaceuticals, and fine chemicals. Their large use is mainly due to their high selectivity and environmental advantage, compared to traditional catalysts. READ MORE