http://www.chem.ucalgary.ca/courses/351/Carey5th/Ch27/ch27-1-4-2.html

pKa1= α-carboxyl group, pKa2 = α-ammonium ion, and pKa3 = side chain group. Amino acid, pKa1, pKa2, pKa3, pI ... Asparagine, 2.02, 8.80, ---, 5.41.

https://en.wikipedia.org/wiki/Asparagine

Asparagine is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group an α-carboxylic acid group (which is in the deprotonated ...

http://www.chem.ucla.edu/~rebecca/153A/amino_acids.pdf

Approximate pKa values of ionizable groups of amino acids and peptides. (side chains listed unless ... Asparagine -3.50. Glutamine -3.50. Lysine. -3.90.

http://www.bmrb.wisc.edu/referenc/commonaa.php?asn

Asparagine, Asn, N ... Asparagine image. C4H8N2O3. Mass, Peptide mass, Monoisotopic mass, Occurence in Protein (%), pKa 1 (-COOH), pKa 2 (-NH3), pKa R

https://www.anaspec.com/html/pK_n_pl_Values_of_AminoAcids.html

Name. pK. pI. at 25°C. pK. α-CO2H. pK. NH3. pK. R-group. Alanine. 2.35. 9.87. 6.11. Arginine. 2.18. 9.09. 13.2. 10.76. Asparagine. 2.18. 9.09. 13.2. 10.76.

https://www.rose-hulman.edu/~brandt/Chem330/Amino_acids.pdf

Asparagine and glutamine contain amide groups in their side chains. Amide ... Lysine (pKa = 10.5) and arginine (pKa = 12.5) are basic amino acids that are.

http://academics.keene.edu/rblatchly/Chem220/hand/npaa/aawpka.htm

http://www.thinkpeptides.com/aminoacidproperties.html

Point**. Alanine. Ala. A. Nonpolar (hydrophobic). Neutral. 1.8. 89.09. 6.00. Arginine. Arg. R. Polar (soluble). Basic (strongly). -4.5. 174.20. 11.15. Asparagine . Asn.

https://pubchem.ncbi.nlm.nih.gov/compound/Asparagine

Asparagine | C4H8N2O3 | CID 6267 - structure, chemical names, physical and chemical properties, ... It is a tautomer of a L-asparagine zwitterion. ..... 4.2.10pKa .

https://proteinstructures.com/Structure/Structure/amino-acids.html

It has two –NH group with a pKa value of around 6. ... However, the pKa may be modulated by the environment inside the protein, and ... Asparagine - Asn - N