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Methionine
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Methionine
M
Alanine
A
Glycine
G
Isoleucine
I
Cysteine
C
Phenylalanine
F
Tryptophan
W
Valine
V
Leucine
L
Proline
P
Asparagine
N
Glutamine
Q
Serine
S
Threonine
T
Tyrosine
Y
Arginine
R
Lysine
K
Histidine
H
Aspartic Acid
D
Glutamic Acid
E
Methionine - 3letters
Met
Alanine - 3letters
Ala
Glycine - 3letter
Gly
Isoleucine - 3letter
Ile
Cysteine - 3letter
Cys
Phenylalanine - 3letter
Phe
Tryptophan - 3letter
Trp
Valine - 3letter
Val
Leucine - 3letter
Leu
Proline - 3letter
Pro
Asparagine - 3letter
Asn
Glutamine - 3letter
Gln
Serine - 3letter
Ser
Threonine - 3letter
Thr
Tyrosine - 3letter
Tyr
Arginine - 3letter
Arg
Lysine - 3letter
Lys
Histidine - 3letter
His
Aspartic Acid - 3letter
Asp
Glutamic Acid - 3letter
Glu
Methionine - polarity
no charge; nonpolar (1/10)
Alanine - polarity
no charge; nonpolar (2/10)
Glycine - polarity
no charge; nonpolar (3/10)
Isoleucine - polarity
no charge; nonpolar (4/10)
Cysteine - polarity
no charge; nonpolar (5/10)
Phenylalanine - polarity
no charge; nonpolar (6/10)
Tryptophan - polarity
no charge; nonpolar (7/10)
Valine - polarity
no charge; nonpolar (8/10)
Leucine - polarity
no charge; nonpolar (9/10)
Proline - polarity
no charge; nonpolar (10/10)
Asparagine - polarity
no charge; polar (1/5)
Glutamine - polarity
no charge; polar (2/5)
Serine - polarity
no charge; polar (3/5)
Threonine - polarity
no charge; polar (4/5)
Tyrosine - polarity
no charge; polar (5/5)
Arginine - polarity
positive; polar (1/3) more basic than the other 2
Lysine - polarity
positive; polar (2/3)
Histidine - polarity
positive; polar (3/3) basic depending on pH
Aspartic Acid - polarity
negative; polar (1/2)
Glutamic Acid - polarity
negative; polar (2/2)
Most Hidrophobic aa
Isoleucine (I) -4.5
Most Hidrophilic aa
Arginine (R) (4.5)
(+), (-) and Asparagine, Glutamine (N&Q) are
Hidrophilic
Basic aa
(+) charged K,R,H *Lysine, Arginine, Histidine
Acidic aa
(-) charged D,E *Aspartate, Glutamate
Lowest PI
Negatively charged (D&E *Aspartate, Glutamate)
Highest PI
Positively charged (K,H,R)
Negatively charged aa have ____ charge at neutral PH
Negative
PI
The isoelectric point
Isoelectric point
The pH at which the molecules carries no charge
Glutamate has 2 carboxilic acid (pka 2 & 4) and a NHx (pka 9.6) groups. approx PI? why?
3 because at low PH glutamate has a net charge of 2
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