Contacts of the helix formed by residues 37 - 65 (chain W) in PDB entry 3IS7
Residue contacts within the protein are
derived with the CSU software (Sobolev V., Sorokine A.,
Prilusky J., Abola E.E. and Edelman M. (1999) Automated
analysis of interatomic contacts in proteins.
Bioinformatics, 15, 327-332). A
short description of the analytical approach
is given at the end of the page.
Note:
Non-standard 3 letter residue
codes indicate a heterogroup. To identify
and analyse, use LPC software
Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC - hydrophobic-hydrophilic contact (destabilizing contact)
+/- - indicates presence/absence of a specific contacts
* - indicates residues forming contacts by their side chain
(including CA atoms)
Residues in contact with LEU 37 (chain W).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
140O LEU* 4.0 18.4 - - + -
143O LYS* 4.5 12.6 - - + -
144O VAL* 5.2 0.2 - - + -
32W TRP* 3.1 41.9 + - + +
35W TRP* 4.2 20.2 - - + +
36W GLY* 1.3 76.7 - - - +
38W LYS* 1.3 64.3 + - - +
39W ARG 3.2 0.7 + - - -
40W LEU* 3.3 8.3 + - + +
41W GLY* 3.0 17.8 + - - -
83W THR* 3.8 13.2 - - - +
150W LEU* 3.4 45.3 - - + +
153W HIS* 3.2 12.1 - - + +
154W MET* 4.1 4.5 - - + -
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Residues in contact with LYS 38 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
33W ASN* 3.8 21.7 + - + +
36W GLY* 4.3 14.8 - - - +
37W LEU* 1.3 75.9 - - - +
39W ARG* 1.3 56.9 + - - +
41W GLY* 3.6 0.3 - - - -
42W ALA* 2.9 30.3 + - - +
154W MET 3.1 21.3 + - - +
155W HIS* 5.2 9.0 - - - +
156W GLU* 3.9 30.4 - - + +
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Residues in contact with ARG 39 (chain W).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155G HIS* 3.4 45.2 + - - +
38W LYS* 1.3 77.2 - - - +
40W LEU* 1.3 57.6 + - - +
42W ALA* 3.5 2.8 + - - +
43W HIS* 3.1 29.2 + - + +
152W SER 3.6 19.0 + - - -
153W HIS* 3.0 30.7 + - + +
154W MET 4.2 1.0 + - - -
155W HIS 3.5 26.3 + - - +
156W GLU* 3.6 25.8 + - + -
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Residues in contact with LEU 40 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
32W TRP* 3.7 49.7 - - + +
37W LEU* 3.3 15.6 + - + +
39W ARG* 1.3 74.3 - - - +
41W GLY* 1.3 60.1 - - - +
43W HIS* 3.9 2.9 - - - +
44W GLU* 2.9 34.1 + - - +
83W THR* 3.9 16.4 - - + +
87W LEU* 4.7 5.8 - - + -
133W TYR* 3.6 22.8 + - - +
149W TYR* 3.6 21.1 - - + +
150W LEU* 4.9 2.5 - - + -
153W HIS* 3.8 30.1 + - + -
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Residues in contact with GLY 41 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
29W SER* 2.8 38.3 + - - -
30W ARG* 5.2 0.2 - - - -
32W TRP* 3.7 4.8 - - - +
33W ASN* 3.3 26.2 - - - -
37W LEU 3.0 10.5 + - - -
39W ARG 3.3 0.2 - - - -
40W LEU* 1.3 77.3 - - - +
42W ALA* 1.3 56.9 + - - +
45W TYR* 2.9 16.1 + - - +
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Residues in contact with ALA 42 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
33W ASN* 4.1 1.2 - - - +
38W LYS 2.9 16.9 + - - +
39W ARG* 4.0 3.4 - - - +
40W LEU 3.4 0.2 - - - -
41W GLY* 1.3 71.3 - - - +
43W HIS* 1.3 65.6 + - - +
45W TYR* 3.4 8.9 + - + +
46W HIS* 3.1 38.3 + - + +
156W GLU* 4.0 22.9 - - + +
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Residues in contact with HIS 43 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39W ARG* 3.1 17.8 + - + +
40W LEU* 3.9 3.8 - - - +
41W GLY 3.3 0.2 - - - -
42W ALA* 1.3 76.4 - - - +
44W GLU* 1.3 61.5 + - - +
46W HIS* 3.1 10.9 + - + +
47W GLU* 2.8 52.3 + - + +
133W TYR* 3.4 58.1 - + + +
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Residues in contact with GLU 44 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25W TYR* 3.1 35.5 - - - +
28W HIS* 3.4 14.0 + - - +
29W SER* 3.6 15.3 - - - +
32W TRP* 3.6 19.3 - - + -
40W LEU 2.9 18.8 + - - +
43W HIS* 1.3 78.6 - - + +
45W TYR* 1.3 64.3 + - - +
47W GLU* 3.2 13.2 + - - +
48W SER* 3.0 21.1 + - - -
87W LEU* 5.8 0.5 - - - +
90W ASP* 2.5 36.6 - - - +
130W HIS* 4.6 3.8 + - - -
133W TYR* 5.4 3.5 - - - -
134W LEU* 5.5 0.3 - - - +
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Residues in contact with TYR 45 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
26W PHE* 3.9 24.7 - + - -
29W SER* 3.5 12.6 - - - +
30W ARG* 3.4 29.2 - - - +
41W GLY 2.9 17.5 + - - +
42W ALA* 3.5 8.7 - - - +
44W GLU* 1.3 75.7 - - - +
46W HIS* 1.3 80.7 + + - +
48W SER* 3.1 7.3 + - - -
49W ILE* 2.9 50.7 + - + +
159X HEM 3.4 35.7 + - + +
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Residues in contact with HIS 46 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
42W ALA* 3.1 32.0 + - + -
43W HIS* 3.1 9.7 + - + +
45W TYR* 1.3 93.0 - + - +
47W GLU* 1.3 66.2 + - - +
49W ILE* 3.7 11.0 - - + +
50W ASP* 2.9 30.7 + - - +
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Residues in contact with GLU 47 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25W TYR* 4.0 17.2 - - + -
43W HIS* 2.8 44.4 + - + +
44W GLU* 3.2 11.6 + - - +
46W HIS* 1.3 76.6 - - - +
48W SER* 1.3 63.5 + - - +
50W ASP* 3.1 15.1 + - - +
51W GLU* 3.0 27.4 + - - +
130W HIS* 3.3 46.7 + - + +
133W TYR* 4.6 1.4 - - - +
----------------------------------------------------------
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Residues in contact with SER 48 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
22W ILE* 2.8 22.4 + - - +
25W TYR* 3.8 19.7 - - - +
26W PHE* 3.6 17.1 - - - +
44W GLU 3.0 12.5 + - - -
45W TYR* 3.1 9.2 + - - -
47W GLU* 1.3 76.9 - - - +
49W ILE* 1.3 63.6 + - - +
51W GLU* 3.1 6.6 + - - +
52W MET* 2.9 42.9 + - - +
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Residues in contact with ILE 49 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
45W TYR* 2.9 48.4 + - + +
46W HIS* 3.7 12.3 - - + +
48W SER* 1.3 75.6 - - - +
50W ASP* 1.3 65.4 + - - +
52W MET* 3.2 18.4 + - + +
53W LYS* 3.1 42.3 + - - +
159X HEM 3.6 56.5 - - + +
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Residues in contact with ASP 50 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
46W HIS* 2.9 22.5 + - - +
47W GLU* 3.1 21.2 + - - +
49W ILE* 1.3 78.2 - - - +
51W GLU* 1.3 62.6 + - + +
53W LYS* 3.3 24.4 + - - +
54W HIS* 3.2 38.1 + - + +
126W SER* 5.1 6.0 + - - +
----------------------------------------------------------
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Residues in contact with GLU 51 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18W GLU* 2.2 32.8 - - - +
21W ALA* 3.5 11.2 - - + +
22W ILE* 3.7 20.3 - - + +
25W TYR* 3.3 33.0 + - + -
47W GLU* 3.0 20.3 + - - +
48W SER 3.1 6.5 + - - +
50W ASP* 1.3 75.2 - - - +
52W MET* 1.3 65.0 + - - +
54W HIS* 3.1 16.3 + - - +
55W ALA* 2.9 23.4 + - - +
94W GLU* 3.3 4.2 - - - +
127W GLU* 2.7 32.5 - - - +
130W HIS* 5.8 0.2 - - - -
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Residues in contact with MET 52 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
22W ILE* 3.6 20.2 - - + +
26W PHE* 4.1 5.2 - - + -
48W SER* 2.9 37.9 + - - +
49W ILE* 3.2 22.9 + - + +
51W GLU* 1.3 74.6 - - - +
53W LYS* 1.3 63.8 + - - +
55W ALA* 3.2 3.5 + - - +
56W ASP* 3.0 22.3 + - - +
159X HEM 2.3 104.9 - - + +
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Residues in contact with LYS 53 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
49W ILE* 3.1 33.3 + - - +
50W ASP* 3.6 21.0 + - - +
51W GLU 3.2 0.2 - - - -
52W MET* 1.3 77.0 - - - +
54W HIS* 1.3 66.9 + - + +
56W ASP* 3.3 8.9 + - - +
57W LYS* 3.1 29.2 + - + +
159X HEM 4.1 32.6 + - + +
----------------------------------------------------------
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Residues in contact with HIS 54 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18W GLU* 3.8 12.8 - - - -
50W ASP* 3.2 21.9 + - + +
51W GLU* 3.1 29.1 + - - +
53W LYS* 1.3 82.0 - - + +
55W ALA* 1.3 56.2 - - - +
57W LYS* 3.3 12.9 + - + +
58W LEU* 3.0 34.4 + - - +
122W ASP 4.9 1.0 + - - -
123W ILE* 3.8 30.8 - - + +
126W SER* 3.1 36.4 + - - -
127W GLU* 3.6 10.0 + - - -
----------------------------------------------------------
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Residues in contact with ALA 55 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
15W LEU* 4.0 21.0 - - + +
18W GLU* 4.2 6.5 - - + +
19W LEU* 4.7 3.1 - - + -
22W ILE* 4.1 17.0 - - + -
51W GLU 2.9 13.0 + - - +
52W MET 3.5 8.3 - - - +
53W LYS 3.2 0.2 - - - -
54W HIS* 1.3 76.6 - - - +
56W ASP* 1.3 57.4 + - - +
58W LEU* 3.4 7.2 + - - +
59W ILE* 2.9 37.4 + - + +
159X HEM 4.2 10.1 - - + -
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Residues in contact with ASP 56 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
52W MET 3.0 12.7 + - - +
53W LYS* 3.5 11.8 - - - +
55W ALA* 1.3 74.2 - - - +
57W LYS* 1.3 67.7 + - - +
59W ILE* 3.1 3.5 + - - +
60W GLU* 3.0 35.7 + - - +
26X PHE* 3.5 28.1 - - + -
30X ARG* 3.1 36.8 + - - +
159X HEM 4.1 9.7 - - + +
----------------------------------------------------------
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Residues in contact with LYS 57 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
53W LYS* 3.1 20.1 + - + +
54W HIS* 3.7 14.8 - - + +
56W ASP* 1.3 79.3 - - + +
58W LEU* 1.3 61.7 + - - +
60W GLU* 3.4 15.8 + - - +
61W ARG* 3.0 24.8 + - - +
119W LEU* 3.8 21.7 - - + +
123W ILE* 5.6 1.6 - - + -
----------------------------------------------------------
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Residues in contact with LEU 58 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
11W LEU* 4.0 31.6 - - + +
14W ILE* 3.8 19.1 - - + -
15W LEU* 3.9 27.4 - - + +
18W GLU* 4.0 9.9 - - + -
54W HIS 3.0 21.8 + - - +
55W ALA* 3.7 5.4 - - - +
57W LYS* 1.3 76.1 - - - +
59W ILE* 1.3 64.7 + - - +
61W ARG* 3.8 4.0 - - + +
62W ILE* 3.0 31.1 + - + +
119W LEU* 3.7 22.0 - - + -
120W LEU* 4.1 6.5 - - + -
123W ILE* 3.8 18.4 - - + -
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Residues in contact with ILE 59 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
15W LEU* 3.9 24.2 - - + -
55W ALA* 2.9 26.6 + - + +
56W ASP* 3.1 4.5 + - - +
58W LEU* 1.3 76.4 - - - +
60W GLU* 1.3 63.4 + - - +
62W ILE* 3.2 4.0 + - - +
63W LEU* 3.0 40.8 + - + +
69W PRO* 3.9 14.3 - - + +
71W LEU* 4.1 26.5 - - + -
26X PHE* 4.0 25.6 - - + -
27X LEU* 4.4 6.1 - - + -
30X ARG* 3.8 18.8 - - + -
159X HEM 4.7 4.7 - - + -
----------------------------------------------------------
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Residues in contact with GLU 60 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
56W ASP* 3.0 39.0 + - - +
57W LYS* 3.8 15.2 - - - +
58W LEU 3.3 0.2 - - - -
59W ILE* 1.3 76.9 - - - +
61W ARG* 1.3 56.7 + - - +
63W LEU* 3.4 8.0 + - - +
64W PHE* 2.9 28.8 + - - +
30X ARG* 3.8 25.1 + - + +
33X ASN* 5.3 2.3 - - - +
----------------------------------------------------------
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Residues in contact with ARG 61 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128A GLU* 2.8 33.1 + - - +
11W LEU* 3.9 15.3 - - + -
57W LYS 3.0 17.2 + - - +
58W LEU* 3.8 4.7 - - - +
60W GLU* 1.3 76.8 - - - +
62W ILE* 1.3 65.3 + - - +
64W PHE* 3.1 31.3 + - - +
65W LEU* 3.0 38.4 + - + +
113W ASP* 3.0 29.7 + - - -
115W VAL* 3.6 20.5 - - - +
116W SER* 2.9 24.0 + - - +
119W LEU* 4.0 22.0 - - + -
----------------------------------------------------------
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Residues in contact with ILE 62 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
8W ILE* 4.3 10.8 - - + +
11W LEU* 3.6 42.2 - - + +
12W ASN* 3.7 22.7 - - - +
15W LEU* 4.1 12.8 - - + -
58W LEU 3.0 24.3 + - - +
59W ILE* 3.2 4.2 + - - +
61W ARG* 1.3 73.6 - - - +
63W LEU* 1.3 61.8 + - - +
65W LEU* 3.1 13.9 + - - +
67W GLY* 3.0 48.5 + - - -
68W LEU 3.8 3.8 - - - +
69W PRO* 3.7 18.4 - - + -
----------------------------------------------------------
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Residues in contact with LEU 63 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
59W ILE* 3.0 38.0 + - + +
60W GLU* 3.7 6.1 - - - +
62W ILE* 1.3 73.1 - - - +
64W PHE* 1.3 68.3 + - - +
66W GLU* 3.0 16.3 + - - +
67W GLY 3.8 10.1 - - - +
68W LEU* 5.7 2.5 - - + -
69W PRO* 3.4 26.5 - - + -
27X LEU* 4.6 0.9 - - + -
30X ARG* 3.9 27.1 - - + +
31X MET* 4.1 20.9 - - + +
34X ASP* 3.8 34.1 - - + +
----------------------------------------------------------
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Residues in contact with PHE 64 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128A GLU* 3.7 42.2 - - + -
131A ILE* 4.3 5.4 - - + -
132A ASP* 3.8 34.8 - - + +
2W LYS* 2.8 62.3 + - + -
60W GLU 2.9 17.7 + - - +
61W ARG* 3.1 39.2 + - - +
63W LEU* 1.3 78.2 - - - +
65W LEU* 1.3 65.3 + - + +
66W GLU* 3.4 2.9 + - - +
34X ASP* 4.3 8.2 + - - +
----------------------------------------------------------
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Residues in contact with LEU 65 (chain W).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2W LYS* 4.1 9.9 - - + +
3W GLY* 3.0 39.8 + - - -
4W ASP 5.5 0.2 - - - +
7W VAL* 4.2 7.6 - - + -
8W ILE* 3.7 14.6 - - + +
11W LEU* 3.9 27.8 - - + -
61W ARG* 3.0 36.1 + - + +
62W ILE 3.1 7.8 + - - +
64W PHE* 1.3 86.4 - - + +
66W GLU* 1.3 66.5 + - - +
67W GLY 3.2 1.1 + - - -
113W ASP* 4.1 8.5 - - - +
116W SER* 4.0 12.8 - - - +
----------------------------------------------------------
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A short description of the
analytical approach
The contact analysis used in this page
is based upon the approach
developed in:
Sobolev V., Wade R.C., Vriend G.
and Edelman M. PROTEINS (1996)
25, 120-129.
Contact legitimacy depends on the hydrophobic-hydrophilic
properties of the contacting atoms. In order to
define it, for each inter-atomic contact,
eight atom classes have been introduced:
I Hydrophilic - N and O that can donate and accept hydrogen bonds
(e.g., oxygen of hydroxyl group of Ser. or Thr)
II Acceptor - N or O that can only accept a hydrogen bond
III Donor - N that can only donate a hydrogen bond
IV Hydrophobic - Cl, Br, I and all C atoms that are not in
aromatic rings and do not have a covalent bond to
a N or O atom
V Aromatic - C in aromatic rings irrespective of any other
bonds formed by the atom
VI Neutral - C atoms that have a covalent bond to at least one
atom of class I or two or more atoms from class II
or III; atoms; S, F, P, and metal atoms in all cases
VII Neutral-donor - C atoms that have a covalent bond with only one
atom of class III
VIII Neutral-acceptor - C atoms that have a covalent bond with only
one atom of class II
For each pair of contacts the state of legitimacy
is shown below:
Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically
assigned based on the atomic coordinates. However, in
three cases (see below) the automatic assignment
is currently ambiguous. In these
cases, the user is advised to manually analyse
the full list of contacts using
LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are
considered "aromatic" (Class V) if the ring is approximately
planar, and "hydrophobic" (Class IV) or "neutral" (Classes
VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
"hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
"carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).
Please E-mail any
questions and/or suggestions concerning this page to
Vladimir.Sobolev@weizmann.ac.il