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Table 1 Parameters for fitting cubic equation (y = b0+ b1x + b2x2+ b3x3) to relate ASA (y) to the partner number, PN (x) for different residues.

From: Accessibility and partner number of protein residues, their relationship and a webserver, ContPlot for their display

Residuea ASA (Å2) Whole residue Side chain
  Gly-X-Glyb b0 b1 b2 b3 R2 b0 b1 b2 b3 R2
Gly
6245
83.9 84.4
4.40
-3.4
2.31
-1.1
0.33
0.07
0.01
0.991      
Ala
6688
116.4 (55.4) 130.5
6.53
-9.2
3.42
-0.9
0.49
0.07
0.02
0.990 62.3
2.86
-15.9
3.30
0.4
1.00
0.08
0.08
0.989
Ser
4614
125.7 (69.1) 140.0
3.89
-12.6
2.04
-0.5
0.29
0.05
0.01
0.997 74.3
2.14
-17.6
1.95
0.9
0.47
0.01
0.03
0.994
Cys
1367
141.5 (82.1) 65.6
12.37
3.4
4.79
-1.5
0.55
0.06
0.02
0.982 65.6
2.62
-11.3
2.39
-0.3
0.57
0.08
0.04
0.990
Thr
4724
148.1 (88.6) 156.7
4.17
-10.5
2.06
-0.9
0.28
0.06
0.01
0.997 101.7
2.65
-19.1
1.99
0.7
0.40
0.02
0.02
0.994
Asp
4463
155.4 (97.8) 170.9
4.02
-15.4
1.78
-0.1
0.22
0.03
0.01
0.997 107.6
1.34
-18.2
1.10
0.3
0.24
0.04
0.01
0.999
Pro
3701
144.8 (106.4) 147.2
4.16
-6.5
2.06
-1.3
0.28
0.08
0.01
0.997 103.7
2.70
-10.8
2.03
-0.9
0.40
0.09
0.02
0.995
Asn
3537
168.9 (109.9) 173.0
4.49
-11.8
2.10
-0.7
0.27
0.05
0.01
0.997 116.9
2.24
-20.4
1.55
0.7
0.28
0.01
0.01
0.997
Val
5619
162.2 (103.1) 167.8
7.37
-15.1
3.05
-0.4
0.36
0.04
0.01
0.995 111.8
2.51
-21.6
2.07
0.7
0.45
0.04
0.03
0.996
Glu
3843
187.2 (132.5) 190.8
4.47
-9.7
1.77
-1.0
0.20
0.05
0.01
0.999 134.1
0.79
-19.4
0.65
-0.0
0.14
0.06
0.01
1.000
Gln
2645
189.2 (129.7) 231.8
9.56
-21.9
3.78
0.2
0.42
0.02
0.02
0.995 139.0
2.27
-20.5
1.57
0.3
0.29
0.03
0.02
0.998
His
1789
198.5 (141.3) 209.9
3.31
-15.9
1.47
-0.4
0.18
0.04
0.01
0.999 147.5
1.88
-21.9
1.41
0.3
0.28
0.04
0.02
0.999
Leu
6575
198.0 (141.5) 233.2
12.42
-26.7
4.91
0.6
0.55
0.01
0.02
0.990 151.2
4.90
-31.7
2.92
1.9
0.48
-0.03
0.02
0.995
Ile
4362
190.0 (130.7) 214.5
5.24
-22.6
2.17
0.2
0.26
0.03
0.01
0.998 140.0
3.39
-26.2
2.35
1.1
0.43
0.01
0.02
0.995
Met
1533
210.6 (150.4) 223.0
5.88
-15.7
2.61
-0.8
0.31
0.05
0.01
0.996 151.7
3.20
-26.1
2.22
0.8
0.41
0.02
0.02
0.996
Lys
3861
207.5 (148.0) 231.0
8.66
-15.3
3.42
-0.4
0.38
0.03
0.01
0.996 157.6
1.37
-20.6
0.95
0.3
0.17
0.03
0.01
0.999
Phe
3225
223.3 (164.2) 210.3
7.59
-11.4
3.20
-1.0
0.37
0.06
0.01
0.993 173.5
3.14
-27.0
2.01
0.8
0.34
0.02
0.02
0.997
Tyr
2927
238.3 (180.0) 220.1
8.06
-10.0
3.40
-1.2
0.39
0.06
0.01
0.992 174.0
4.67
-21.7
2.79
0.1
0.44
0.04
0.02
0.993
Arg
3024
249.3 (190.2) 274.3
5.26
-21.1
1.76
0.1
0.17
0.02
0.01
0.998 193.6
2.05
-26.8
1.08
0.9
0.15
0.03
0.01
0.999
Trp
1230
265.4 (209.6) 265.8
10.60
-20.5
3.25
-0.1
0.29
0.02
0.01
0.996 225.6
2.84
-34.2
1.49
1.5
0.21
-0.01
0.01
0.998
  1. Standard error for each parameter is given below in italics.
  2. aTotal number of each residue type in the non redundant dataset of 432 polypeptide chains is provided.
  3. bThe values for the whole residue and the side chain (in parentheses) for the Gly-based tripeptide are taken from [7].