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H9/8 Amino Acids and Peptides
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Proline
Which amino acid is cyclic
therefore different from the other L Amino Acids
Glycine
Whichj amino acid is not chiral
Glycine
Amino acids exist in L and D form except for which amino acid
Means opposite
Greek
Enantiomers
are non superimposeable
Chiral Molecules and Enantiomers (mirror Image)
L- Amino Acids
All amino acids in proteins are what type of amino acids?
Bacterial Cells Walls
Digestive Enzymes
Some peptide antibodies
Where are D- Amino Acids found usa.
Because they are degraded slower so they have a longer therapeutic lifetime
Whare are D-Amino Acids beneficial to humans?
synthesize proteins
The 20 standard amino acids are commonly used to
Charged
Neutral
What are the 2 groups of AA
Positive
Negative
What are the two charges of AAs
Aspartic Acid
Glutamic Acid
Which AAs are negative charge
AaGa
Lysine
Arginine
Histidine
Which AAs are positively charged?
LAH
Serotin
Cysteine
Threonine
Asparagine
Glutamine
Which AAs are polar
SCTAG
Phenylalanine
Tyrosine
Tryptophan
Which AAs are neutral?
PTT
Glycine Alanine Valine Lecine
Methionine Isoleucine Proline
Which AAs are Non Polar?
Unprotonnated
Protonated
At physiological pH, the Carboxyl group is
and the Amino group is
An AA with no ionizable R-Group would be electrically neutral
Zwitterion
ALWAYA N-Terminal to C-Terminal
What is the direction in AAs?
Peptide Bonds
AAs form what type of bonds
AA that make up or are derived from a polymer
Residues
the
stronger the acid
The lower the pka,
Leucine and Lysine
Which AAs are keteogenic?
LL
Threonine
Isoleucine
Phenylalanine
Tyrosine
Trptiphan
Which AAs are both ketogenic and glycogenic?
5
convert glucose to glycogen
Glucogenic AAs
Isoleucine Leucine Lysine
Methionine Phenylalanine Threonine
Trypophan Valine
Which AAs are essential?
Thyroxine (Thyroid Hormone)
Epinephrine (Adrenalin)
Tyrosine produces with biomolecule
Serotonin or 5 HT --> Melatonin
Niacin (Vit B3)
Trypophan produces which biomolecules
GABA
Glutamate produces which Biomolecule
Histamine (allergy and stomach acid production)
Histidine produce which biomolecule
In the CNS neurotransmitter
Creates pain sensation
Glycine is found where
Hydroxylysine
Hydroxyproline
Which two AAs are important for maintaining collagen structure
Hardening of the artiteries, heart problems, Strokes
What is the AA Homocystenine associated with
From Aspartic Acid and Phenylamine
How is aspartame made
Antidiuretic Hormone
Diabetes pts experience this
Lots of urine and constantly thirsty
Vasopressin AKA
Author
phxtopher
ID
103769
Card Set
H9/8 Amino Acids and Peptides
Description
H 9/8 Amino Acids and Peptides
Updated
2011-09-23T06:23:53Z
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