Grantham R. Amino Acid Difference Formula to Help Explain Protein Evolution. Science. 1974;185: 862–864. doi:10.1126/science.185.4154.862
Format
A data frame with 20 rows and 5 columns:
- amino
Amino acid
- c
Composition c, the atomic weight ratio of noncarbon elements in end groups or rings to carbons in the side chain
- p
Polarity p from published data
- v
Volume v from published data
Examples
grantham
#> amino c p v
#> 1 Ser 1.42 9.2 32.0
#> 2 Arg 0.65 10.5 124.0
#> 3 Leu 0.00 4.9 111.0
#> 4 Pro 0.39 8.0 32.5
#> 5 Thr 0.71 8.6 61.0
#> 6 Ala 0.00 8.1 31.0
#> 7 Val 0.00 5.9 84.0
#> 8 Gly 0.74 9.0 3.0
#> 9 Ile 0.00 5.2 111.0
#> 10 Phe 0.00 5.2 132.0
#> 11 Tyr 0.20 6.2 136.0
#> 12 Cys 2.75 5.5 55.0
#> 13 His 0.58 10.4 96.0
#> 14 Gln 0.89 10.5 85.0
#> 15 Asn 1.33 11.6 56.0
#> 16 Lys 0.33 11.3 119.0
#> 17 Asp 1.38 13.0 54.0
#> 18 Glu 0.92 12.3 83.0
#> 19 Met 0.00 5.7 105.0
#> 20 Trp 0.13 5.4 170.0