Contacts of the helix formed by residues 37 - 65 (chain T) 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 T).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
140R LEU* 4.1 18.8 - - + -
143R LYS* 4.7 10.8 - - + -
32T TRP* 2.8 44.8 + - + +
35T TRP* 4.3 19.1 - - + +
36T GLY* 1.3 79.5 - - - +
38T LYS* 1.3 57.2 + - - +
40T LEU* 3.3 8.6 + - + -
41T GLY* 2.9 23.7 + - - -
83T THR* 3.7 13.7 - - - +
150T LEU* 3.4 46.2 - - + +
153T HIS* 3.2 11.2 - - + +
154T MET* 4.1 4.0 - - + +
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Residues in contact with LYS 38 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
33T ASN* 3.8 20.0 + - - +
36T GLY* 4.2 14.4 - - - +
37T LEU* 1.3 69.2 - - - +
39T ARG* 1.3 61.2 + - - +
41T GLY 3.7 0.2 - - - -
42T ALA* 2.8 32.6 + - - +
153T HIS 3.2 3.2 + - - -
154T MET 3.3 17.6 + - - +
155T HIS* 5.4 3.1 - - + -
156T GLU* 3.8 25.3 - - + +
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Residues in contact with ARG 39 (chain T).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155N HIS* 3.3 49.8 + - - +
38T LYS* 1.3 76.7 - - - +
40T LEU* 1.3 59.5 + - - +
42T ALA* 3.9 3.7 - - - +
43T HIS* 2.9 30.6 + - + +
152T SER 3.6 17.6 + - - -
153T HIS* 3.0 27.4 + - + +
154T MET 4.2 0.8 + - - -
155T HIS* 3.2 27.8 + - - +
156T GLU* 3.8 21.1 + - - +
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Residues in contact with LEU 40 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
32T TRP* 3.6 51.6 - - + +
37T LEU* 3.3 14.4 + - + +
39T ARG* 1.3 77.9 - - - +
41T GLY* 1.3 59.4 + - - +
43T HIS* 3.3 4.2 + - - +
44T GLU* 2.9 32.2 + - - +
83T THR* 3.9 17.0 - - + +
87T LEU* 4.5 7.0 - - + -
133T TYR* 3.6 21.3 + - - +
149T TYR* 3.8 22.2 - - + +
150T LEU* 4.7 2.0 - - + -
153T HIS* 3.6 29.6 + - + -
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Residues in contact with GLY 41 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
29T SER* 2.7 38.9 + - - -
32T TRP* 3.7 3.8 - - - +
33T ASN* 3.4 24.7 - - - -
37T LEU 2.9 11.4 + - - -
39T ARG 3.3 0.2 - - - -
40T LEU* 1.3 78.3 - - - +
42T ALA* 1.3 56.0 + - - +
45T TYR* 3.0 16.7 + - - +
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Residues in contact with ALA 42 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
30T ARG* 6.0 0.4 - - - +
33T ASN* 4.2 1.9 - - - +
38T LYS 2.8 21.3 + - - +
39T ARG* 3.9 4.0 - - - +
41T GLY* 1.3 69.4 - - - +
43T HIS* 1.3 67.3 + - - +
45T TYR* 3.4 8.5 + - - +
46T HIS* 3.2 36.1 + - + +
156T GLU* 3.5 24.9 - - - +
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Residues in contact with HIS 43 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39T ARG* 2.9 18.8 + - + +
40T LEU* 3.8 3.8 - - - +
42T ALA* 1.3 77.6 - - - +
44T GLU* 1.3 60.0 + - - +
46T HIS* 3.3 10.2 + - + +
47T GLU* 2.6 51.0 + - + +
133T TYR* 3.3 57.2 - + + +
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Residues in contact with GLU 44 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25T TYR* 3.1 39.5 - - - +
28T HIS* 3.4 13.0 + - - +
29T SER* 3.5 16.8 - - - +
32T TRP* 3.6 17.9 - - + -
40T LEU 2.9 15.8 + - - +
43T HIS* 1.3 77.5 - - - +
45T TYR* 1.3 59.9 + - - +
47T GLU* 3.2 17.6 + - - +
48T SER* 2.9 28.6 + - - -
87T LEU* 6.1 0.3 - - - +
90T ASP* 2.4 35.3 - - - +
130T HIS* 4.3 5.2 + - - -
133T TYR* 5.3 3.5 - - - -
134T LEU* 5.6 0.3 - - - +
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Residues in contact with TYR 45 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159S HEM 3.4 36.9 + - + +
26T PHE* 3.8 28.3 - + - -
29T SER* 3.4 14.1 - - - +
30T ARG* 3.6 25.1 - - - +
41T GLY 3.0 17.9 + - - +
42T ALA* 3.5 7.2 - - - +
44T GLU* 1.3 74.6 - - - +
46T HIS* 1.3 82.5 + + - +
48T SER* 3.1 8.3 + - - -
49T ILE* 3.0 53.8 + - + +
----------------------------------------------------------
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Residues in contact with HIS 46 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
42T ALA* 3.2 31.7 + - + +
43T HIS* 3.7 10.0 - - + +
44T GLU 3.2 0.4 - - - -
45T TYR* 1.3 98.9 - + - +
47T GLU* 1.3 64.1 + - - +
49T ILE* 3.3 11.8 + - + +
50T ASP* 3.0 29.9 + - - +
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Residues in contact with GLU 47 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25T TYR* 3.8 17.4 - - + -
43T HIS* 2.6 45.3 + - + +
44T GLU* 3.2 12.8 + - - +
46T HIS* 1.3 78.1 - - - +
48T SER* 1.3 63.1 + - - +
50T ASP* 3.2 13.4 + - - +
51T GLU* 3.2 25.8 + - - +
130T HIS* 3.2 47.6 + - + +
133T TYR* 4.3 1.7 - - - +
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Residues in contact with SER 48 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
22T ILE* 2.9 29.0 + - - +
25T TYR* 3.9 15.1 - - - +
26T PHE* 3.6 18.7 - - - +
44T GLU 2.9 16.0 + - - -
45T TYR* 3.1 9.8 + - - -
47T GLU* 1.3 71.6 - - - +
49T ILE* 1.4 57.9 + - - +
51T GLU* 3.1 7.5 + - - +
52T MET* 2.9 50.9 + - - +
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Residues in contact with ILE 49 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159S HEM 3.8 44.2 - - + +
45T TYR* 3.0 55.6 + - + +
46T HIS* 3.7 15.5 - - + +
47T GLU 3.2 0.2 - - - -
48T SER* 1.4 76.4 - - - +
50T ASP* 1.3 64.8 + - - +
52T MET* 3.1 27.8 + - + +
53T LYS* 3.1 31.7 + - - +
----------------------------------------------------------
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Residues in contact with ASP 50 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
46T HIS* 3.0 21.4 + - - +
47T GLU* 3.2 16.4 + - - +
49T ILE* 1.3 80.6 - - - +
51T GLU* 1.3 57.2 + - + +
53T LYS* 3.3 25.3 + - - +
54T HIS* 3.0 44.0 + - + -
126T SER* 5.2 4.3 + - - +
----------------------------------------------------------
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Residues in contact with GLU 51 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18T GLU* 2.4 32.8 - - - +
21T ALA* 3.7 11.7 - - + +
22T ILE* 3.7 22.0 - - + +
25T TYR* 3.4 20.8 - - + -
47T GLU* 3.3 14.6 - - - +
48T SER 3.1 7.5 + - - +
50T ASP* 1.3 72.6 - - - +
52T MET* 1.3 61.2 + - - +
54T HIS* 3.2 8.3 + - - -
55T ALA* 2.9 30.3 + - - +
94T GLU* 3.2 13.3 - - - +
127T GLU* 2.5 33.4 - - - +
130T HIS* 4.8 0.5 + - - -
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Residues in contact with MET 52 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159S HEM 2.3 110.7 - - + +
22T ILE* 3.6 15.9 - - + +
26T PHE* 4.1 2.7 - - + -
48T SER* 2.9 37.3 + - - +
49T ILE* 3.1 24.7 + - + +
51T GLU* 1.3 76.8 - - - +
53T LYS* 1.3 60.9 + - - +
55T ALA* 3.4 2.9 + - - +
56T ASP* 3.0 22.3 + - - +
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Residues in contact with LYS 53 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159S HEM 3.5 43.9 + - + +
49T ILE* 3.1 23.8 + - - +
50T ASP* 3.6 21.8 + - - +
51T GLU 3.2 0.4 - - - -
52T MET* 1.3 78.0 - - - +
54T HIS* 1.3 64.7 + - + +
56T ASP* 3.3 7.5 + - - +
57T LYS* 3.2 27.2 + - + +
----------------------------------------------------------
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Residues in contact with HIS 54 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18T GLU* 3.8 13.9 - - - +
50T ASP* 3.0 28.7 + - + +
51T GLU* 3.2 24.7 + - - +
53T LYS* 1.3 76.6 - - + +
55T ALA* 1.3 66.0 + - - +
57T LYS* 3.2 7.9 + - + +
58T LEU* 3.0 28.1 + - - +
122T ASP* 4.9 1.1 + - + -
123T ILE* 3.7 32.7 - - + +
126T SER* 2.9 37.0 + - - -
127T GLU* 3.8 7.5 + - - -
----------------------------------------------------------
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Residues in contact with ALA 55 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
159S HEM 4.0 11.4 - - + -
15T LEU* 3.9 23.3 - - + -
18T GLU* 4.3 9.0 - - + +
19T LEU* 4.7 2.5 - - + -
22T ILE* 4.0 17.5 - - + -
51T GLU 2.9 18.3 + - - +
52T MET 3.5 8.7 - - - +
54T HIS* 1.3 72.4 - - - +
56T ASP* 1.3 62.6 + - - +
58T LEU* 3.1 4.9 + - - +
59T ILE* 2.9 30.6 + - + +
----------------------------------------------------------
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Residues in contact with ASP 56 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
26S PHE* 3.5 23.7 - - + -
30S ARG* 2.8 44.2 + - - +
159S HEM 4.3 9.4 - - + +
52T MET 3.0 13.4 + - - +
53T LYS* 3.5 12.9 - - - +
54T HIS 3.2 0.2 - - - -
55T ALA* 1.3 75.9 - - - +
57T LYS* 1.3 64.7 + - + +
59T ILE* 3.4 3.2 + - - +
60T GLU* 3.1 31.4 + - - +
----------------------------------------------------------
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Residues in contact with LYS 57 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
53T LYS 3.2 14.8 + - - +
54T HIS* 3.2 9.8 + - + +
56T ASP* 1.3 80.7 - - + +
58T LEU* 1.3 61.6 + - - +
60T GLU* 3.3 15.8 + - - +
61T ARG* 3.0 24.8 + - - +
119T LEU* 3.9 23.2 - - + +
123T ILE* 6.2 0.4 - - + -
----------------------------------------------------------
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Residues in contact with LEU 58 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
11T LEU* 3.8 35.4 - - + +
14T ILE* 3.8 23.8 - - + -
15T LEU* 3.9 23.1 - - + +
18T GLU* 3.9 16.4 - - + -
54T HIS 3.0 18.2 + - - +
55T ALA* 3.5 7.9 - - - +
57T LYS* 1.3 74.8 - - - +
59T ILE* 1.3 65.8 + - - +
61T ARG* 3.2 4.1 + - - +
62T ILE* 2.9 30.7 + - + +
119T LEU* 4.3 8.5 - - + -
120T LEU* 4.2 7.6 - - + -
123T ILE* 3.8 21.5 - - + -
----------------------------------------------------------
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Residues in contact with ILE 59 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
26S PHE* 4.1 18.8 - - + -
27S LEU* 4.4 7.2 - - + -
30S ARG* 3.8 16.8 - - + -
159S HEM 4.8 4.9 - - + -
15T LEU* 4.0 22.9 - - + -
55T ALA 2.9 19.8 + - - +
56T ASP* 3.5 6.3 - - - +
58T LEU* 1.3 75.9 - - - +
60T GLU* 1.3 58.0 + - - +
62T ILE* 3.3 8.3 + - - +
63T LEU* 2.9 47.6 + - + +
69T PRO* 3.9 13.3 - - + +
71T LEU* 4.1 28.5 - - + -
----------------------------------------------------------
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Residues in contact with GLU 60 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
30S ARG* 3.8 27.0 + - + +
33S ASN* 5.2 5.2 - - + +
56T ASP* 3.1 37.7 + - - +
57T LYS* 3.6 21.1 - - - +
58T LEU 3.2 0.2 - - - -
59T ILE* 1.3 74.6 - - - +
61T ARG* 1.3 65.7 + - - +
63T LEU* 3.5 7.0 + - - +
64T PHE* 3.0 23.7 + - - +
----------------------------------------------------------
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Residues in contact with ARG 61 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128K GLU* 2.8 32.9 + - - +
11T LEU* 3.9 14.6 - - + -
57T LYS 3.0 16.2 + - - +
58T LEU* 3.2 4.0 + - - +
60T GLU* 1.3 75.8 - - - +
62T ILE* 1.3 65.0 + - - +
64T PHE* 3.2 29.8 + - - +
65T LEU* 2.9 40.1 + - + +
113T ASP* 2.9 29.1 + - - -
115T VAL* 3.6 21.2 - - - +
116T SER* 2.9 22.5 + - - +
119T LEU* 3.7 23.3 - - + -
----------------------------------------------------------
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Residues in contact with ILE 62 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
8T ILE* 4.5 11.4 - - + +
11T LEU* 3.7 40.6 - - + +
12T ASN* 3.9 21.3 - - - +
15T LEU* 4.1 12.6 - - + -
58T LEU 2.9 26.9 + - - +
59T ILE* 3.6 5.4 - - - +
61T ARG* 1.3 78.3 - - - +
63T LEU* 1.3 60.3 + - - +
65T LEU* 3.1 8.6 + - - +
66T GLU 3.0 4.9 + - - -
67T GLY* 2.9 48.9 + - - -
68T LEU 3.8 2.9 - - - +
69T PRO* 3.8 16.4 - - + -
----------------------------------------------------------
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Residues in contact with LEU 63 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
27S LEU* 4.5 1.3 - - + -
30S ARG* 3.7 42.6 - - + +
31S MET* 3.8 18.8 - - + +
34S ASP* 3.9 29.5 - - + +
59T ILE* 2.9 25.6 + - + +
60T GLU* 3.9 5.6 - - - +
62T ILE* 1.3 77.0 - - - +
64T PHE* 1.3 58.4 + - - +
66T GLU* 2.8 23.4 + - - +
67T GLY 3.9 7.9 - - - +
68T LEU* 5.8 2.2 - - + -
69T PRO* 3.1 34.1 - - + -
----------------------------------------------------------
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Residues in contact with PHE 64 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128K GLU* 3.7 30.1 - - + -
131K ILE* 4.3 13.7 - - + -
132K ASP* 3.6 48.9 - - + +
135K GLU* 4.3 10.6 - - - +
34S ASP* 4.2 8.7 + - - -
60T GLU 3.0 18.1 + - - +
61T ARG* 3.5 36.1 - - - +
63T LEU* 1.3 76.4 - - - +
65T LEU* 1.3 76.1 + - + +
66T GLU* 3.3 10.2 + - - +
----------------------------------------------------------
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Residues in contact with LEU 65 (chain T).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
3T GLY* 3.6 41.3 + - - +
4T ASP 5.6 0.4 - - - +
7T VAL* 4.3 6.7 - - + -
8T ILE* 3.7 15.1 - - + +
11T LEU* 3.9 17.7 - - + -
61T ARG* 2.9 47.3 + - - +
62T ILE* 3.1 5.8 + - - +
64T PHE* 1.3 92.7 - - + +
66T GLU* 1.3 71.9 + - - +
67T GLY 3.3 1.0 + - - -
113T ASP* 4.0 8.7 - - - +
116T SER* 3.8 11.4 - - - +
----------------------------------------------------------
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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