The Common Amino Acids

 General Structure:
Amino
Acid
Name,
Abbr.		 R = Molar
Mass		 Melting
Point
oC		 r
g/mL		 Soluble
in		 pKa Rf
with
1:1
H2O/
n-prop		 Rf
with
3:7 conc
NH3/
n-prop		 Spectra Copper
Complex		 Color Molar
Mass		 Melting
Point
oC		 r
g/mL		 Soluble
in

Spectra
alanine
ala,A		 CH3- 89.09 291(dec) 1.424 water
(0.17 g/mL)
alcohol		 2.4,9.7 0.65 0.45 IR
Nujol IR		 Cu(ala)2 purple-
blue		 239.71 IR
arginine
arg,R		 H2N-C(=NH2+)-
NH-(CH2)3-		 174.2 235(dec) 1.1 water
(0.15 g/mL)		 2.2,9.0
12.5		 ~0 0.15 IR
NMR		 Cu(arg)2 aqua 409.93 IR
asparagine
asn,N		 H2NC(O)CH2- 132.12 235(dec) 1.54 water
(0.04 g/mL)		 2.0,8.8 325.77
aspartic
acid
asp,D		 HOOC-CH2- 133.10 >300 1.66 water
(0.0078
g/mL)
dil HCl		 2.1,9.8
3.90		 0.74 0.15 IR
NMR		 Cu(asp)2 327.73

IR
cysteine
cys,C		 HS-CH2- 121.16 240(dec)   water
(very)
alcohol
acetic acid		 1.7,10.8
8.3		   0.44 303.85
glutamic
acid
glu,E		 HOOC-(CH2)2- 147.13 185(dec) 1.460 water
(0.0086
g/mL)		 2.2,9.7
4.3		 355.79
glutamine
gln,Q		 H2NC(O)CH2-
CH2-		 146.15 185(dec)   water
(0.025 g/mL)		 2.2,9.1 353.83
glycine
gly,G		 H- 75.07 240(dec) 1.607 water
(0.25 g/mL)		 2.3,9.6 0.55 0.25 IR
NMR		 Cu(gly)2 sky
blue		 211.67 IR
histidine
his,H		 155.16 273(dec)   water
(0.042 g/mL)		 1.8,9.2
6.0		   0.46 371.85
isoleucine
ile,I		 CH3CH2-
CH(CH3)-		 131.18 288(dec)   water
(0.041 g/mL)		 2.4,9.7 323.89
leucine
leu,L		 (CH3)2CHCH2- 131.18 >300 1.293 water
(0.024 g/mL)		 2.4,9.6   0.61 323.89
lysine
lys,K		 +H3N(CH2)4- 146.19 170(dec)   water
(very)		 2.2,9.0
10.5		 353.91
methionine
met,M		 CH3SCH2CH2- 149.21 280(dec) 1.340 water
(0.034 g/mL)		 2.3,9.2 0.81 0.56 IR
NMR		 Cu(met)2 blue/
grey-
blue		 359.95 IR
phenyl-
alanine
phe,F		 Ph-CH2- 165.19 266-267
(dec)		 1.600 water
(0.030 g/mL)		 1.8,9.1 391.91
proline
pro,P		 115.10 205(dec)   water
(1.6 g/mL)
alcohol		 2.1,10.6 0.65 0.37 IR
NMR		 Cu(pro)2 purple-
blue		 291.73 IR
serine
ser,S		 HOCH2- 105.09 240(dec) 1.60 water
(0.05 g/mL)		 2.2,9.2
~13		   0.28 271.71
threonine
thr,T		 CH3CH(OH)- 119.12 244(dec)   water
(very)		 2.6,10.4
~13		 0.57 0.46 IR
NMR		 Cu(thr)2 purple-
blue		 299.77 IR
tryptophan
trp,W		 204.23 289-290
(dec)		   water
(0.011 g/mL)		 2.4,9.4 0.92 0.58 IR
NMR		 Cu(trp)2 purple-
blue		 469.99 IR
tyrosine
tyr,Y		 HO-Ph-CH2- 181.19 325(dec) 1.456 water
(0.00045
g/mL)		 2.2,9.1
10.13		 423.91
valine
val,V		 (CH3)2CH- 117.15 >295
(subl)		 1.316 water
(0.089 g/mL)		 2.3,9.6   0.57 295.83