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It
is not length of life, but depth of life.
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-Ralph
W. Emerson
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CYSTEINE
| Serial
No. |
Properties |
Description/Values |
| 1 |
Symbol |
Cys
(C) |
| 2 |
Molecular
formula |
C3H7NO2S |
| 3 |
Molecular
weight |
121.16
g mol-1 |
| 4 |
Systematic
name |
(2R)-2-amino-3sulfanyl-propanoic
acid |
| 5 |
Synonyms |
2-amino-3-mercaptopropanoic
acid, 2-amino-3-mercaptopropionic acid, 2-amino-3-sulfanylpropanoic
acid, 3-mercaptoalanine |
| 6 |
Isoelectric
point |
5.07 |
| 7 |
pKa |
1.96
|
| 8 |
pK1 |
10.28
(thiol) |
| 9 |
pK2 |
8.18 |
| 10 |
CAS
registry number |
52-90-4 |
| 11 |
Melting
point |
240
°C |
| 12 |
Interaction
mode |
Covalent
disulfide bonds, van der Waals |
| 13 |
Potential
side chain H-bonds |
0 |
| 14 |
Hydrophobicity |
0.680 |
| 15 |
Codons |
UGU,
UGC |
| 16 |
Standard
codon(s) |
UGY |
| 17 |
SMILES |
SCC(N)C(=O)O |
| 18 |
Physical
properties |
Polar
(Uncharged) |
| 19 |
Chemical
properties |
Sulfur
Containing |
| 20 |
Side
chain flexibility |
low |
Structure
:
Properties
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