Stick model of L-arginine (R).
Some facts on L-arginine.
- Abbreviation: Arg.
- One-letter code: R, as in "aRginine".
- Molecular mass: 174 daltons.
- Side-chain (or R-group) features:
- Formula: -(CH2)3-NH-C-(NH2)2+;
- Category: Very hydrophilic, positively charged;
- pKa: 12.5.
Return to image of Arg.
Last modified August 1, 1996