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4178274
Glycan Structure & Complexity
Descrição
review chart
Sem etiquetas
biochemistry
glucose
metabolism
bioc2600
course
Mapa Mental por
Judith Yan
, atualizado more than 1 year ago
Mais
Menos
Criado por
Judith Yan
mais de 9 anos atrás
9
0
0
Resumo de Recurso
Glycan Structure & Complexity
related fields
genomics
gene sequence
proteomics
proteins
post-translational modification
peptides
glycomics
cell glycans
Locations in the cell?
membrane-associated glycoforms
classifications
glycolipids
glycan functions in the ectodomain
linkage
glucose -- ceramide
glycoproteins
polypeptide
ectodomain
cytoplasmic domain
covalent linkage
N - asp
O - Ser/Thr
glycan functions in the ectodomain
proteoglycans
long glycan part
lots of SO4-
prevents collapsing
examples
syndecans
glypicans
CD44
in extracellular matrix:
aggrecan/versican
"test-tube brush"
glycosaminoglycans
hyaluronan
DRU + tetrasaccharide - ser
lectin-saccharide interactions
cell-cell interactions
recognition
by viral proteins
cell-cell
by bacteria
adhesion
epithelial layer formation
binding of toxins...?
strength
weaker than antigen-antibody
functions
fertilization
immunity
infection
cancer
synthesis
quality-control
addition of glycan
Golgi apparatus
sorting
ER
extocytosis
examples
blood group glycoprotein
tetrasaccharide
has fifth sugar: A/B
no fifth sugar: O
intracellular
storage glycoforms
starch (plants)
amylopectin
amylose
a-1,4 linear
a-1,4 / 1,6
glycogen (animals)
a-1,4 / 1,6
many nonreducing ends
digestion
intracellular
glycogen phosphorylase
releases glc-1-phosphate
debranching enzymes
extracellular
alpha amylase
random attacks alpha-1,4
insoluble
glucose metabolism
glucose from diet
amylase action
gut lumen
intestinal absorption
hepatic portal vein
hepatocytes
glycolysis
ATP
glycogenesis
glycogen
glycogen from liver/myocyte
glycogen phosphorylase
glc-1-phosphate
glc-6-phosphate
glycolysis
...
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