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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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HISTIDINE
| Serial
No. |
Properties |
Description/Values |
| 1 |
Symbol |
His
(H) |
| 2 |
Molecular
formula |
C6H9N3O2 |
| 3 |
Molecular
weight |
155.16
g·mol-1 |
| 4 |
Systematic
name |
2-amino-3-(3H-imidazol-4-yl)propanoic
acid |
| 5 |
Synonyms |
({S/D})-a-amino-1H-imidazole-4-propanoic
acid, 4-(2-amino-2-carboxyethyl)imidazole, a-amino-1H-imidazole-4-propionic
acid, a-amino-4-imidazolepropionic acid, Anti-rheuma,
Glyoxaline-5-alanine |
| 6 |
Isoelectric
point |
7.59 |
| 7 |
pKa |
1.82
|
| 8 |
pKb |
9.17 |
| 9 |
pKx |
6.00(imidazole) |
| 10 |
CAS
registry number |
71-00-1 |
| 11 |
Melting
point |
287
°C |
| 12 |
Interaction
mode |
Ionic,
H-bonds, aromatic stacking, van der Waals |
| 13 |
Potential
side chain H-bonds |
3 |
| 14 |
Hydrophobicity |
0.584 |
| 15 |
Codons |
CAU,
CAC |
| 16 |
Standard
codon(s) |
CAY |
| 17 |
SMILES |
C1=C(NC=N1)CC(C(=O)O)N |
| 18 |
Physical
properties |
Polar
(Positively Charged) |
| 19 |
Chemical
properties |
Basic |
| 20 |
Side
chain flexibility |
Moderate |
Structure
:
Properties
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