Contacts of the helix formed by residues 37 - 65 (chain O) 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 O).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
140I LEU* 4.0 18.2 - - + -
143I LYS* 4.5 11.7 - - + -
32O TRP* 2.9 32.1 + - + +
35O TRP* 4.2 21.1 - - + +
36O GLY* 1.3 76.0 - - - +
38O LYS* 1.3 57.6 + - - +
39O ARG 3.4 0.3 + - - -
40O LEU* 3.4 8.9 + - + +
41O GLY* 2.9 23.4 + - - -
83O THR* 3.9 21.8 - - - +
150O LEU* 3.4 45.8 - - + +
153O HIS* 3.2 12.3 - - + +
154O MET* 4.1 3.8 - - + -
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Residues in contact with LYS 38 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
33O ASN* 3.8 23.5 + - + +
36O GLY* 4.2 15.0 - - - +
37O LEU* 1.3 70.7 - - - +
39O ARG* 1.3 59.0 + - - +
42O ALA* 2.9 29.6 + - - +
153O HIS 3.2 0.2 + - - -
154O MET 3.2 21.5 + - - +
155O HIS* 5.2 3.4 - - + -
156O GLU* 3.6 23.3 - - + +
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Residues in contact with ARG 39 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
38O LYS* 1.3 76.7 - - - +
40O LEU* 1.3 58.8 + - - +
42O ALA* 3.4 2.5 + - - +
43O HIS* 2.9 30.1 + - + +
152O SER 3.6 17.7 + - - -
153O HIS* 3.1 27.1 + - + +
154O MET 4.2 1.0 + - - -
155O HIS 3.4 26.1 + - - +
156O GLU* 4.0 24.5 + - - +
155W HIS* 3.3 45.6 + - - +
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Residues in contact with LEU 40 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
32O TRP* 3.7 50.6 - - + +
37O LEU* 3.4 13.8 + - + +
39O ARG* 1.3 76.1 - - - +
41O GLY* 1.3 59.3 + - - +
43O HIS* 3.1 5.1 + - - +
44O GLU* 2.9 31.9 + - - +
83O THR* 4.0 17.0 - - + +
87O LEU* 4.7 5.8 - - + -
133O TYR* 3.7 20.9 - - - +
149O TYR* 3.9 21.3 - - + +
150O LEU* 4.6 4.3 - - + -
153O HIS* 3.5 30.7 + - + -
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Residues in contact with GLY 41 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
29O SER* 2.5 39.3 + - - -
30O ARG* 4.4 0.3 + - - -
32O TRP* 3.7 5.6 - - - +
33O ASN* 3.3 25.6 - - - -
37O LEU 2.9 11.8 + - - -
39O ARG 3.2 0.4 - - - -
40O LEU* 1.3 77.9 - - - +
42O ALA* 1.3 56.9 + - - +
45O TYR* 3.1 12.3 + - - +
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Residues in contact with ALA 42 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
33O ASN* 4.1 0.8 - - - +
38O LYS 2.9 17.8 + - - +
39O ARG* 3.9 3.1 - - - +
41O GLY* 1.3 73.5 - - - +
43O HIS* 1.3 68.5 + - - +
45O TYR* 3.2 8.0 + - + +
46O HIS* 3.1 36.9 + - + +
156O GLU* 3.5 29.2 - - + +
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Residues in contact with HIS 43 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39O ARG 2.9 18.2 + - - +
40O LEU* 3.6 5.4 - - - +
42O ALA* 1.3 79.7 - - - +
44O GLU* 1.3 64.5 + - - +
46O HIS* 3.0 19.2 + - + +
47O GLU* 3.0 38.7 + - + +
133O TYR* 3.2 57.9 - + + +
153O HIS* 6.4 0.4 - - + -
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Residues in contact with GLU 44 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25O TYR* 3.0 42.0 - - - +
28O HIS* 3.3 12.5 - - + +
29O SER* 3.6 16.4 - - - +
32O TRP* 3.7 17.6 - - + -
40O LEU 2.9 17.0 + - - +
43O HIS* 1.3 76.1 - - - +
45O TYR* 1.3 66.3 + - - +
47O GLU* 3.3 12.6 + - - +
48O SER* 2.9 22.9 + - - -
87O LEU* 5.9 0.9 - - - +
90O ASP* 2.4 37.5 - - - +
130O HIS* 4.6 3.5 + - - -
133O TYR* 5.4 2.9 - - - -
134O LEU* 5.7 0.5 - - - +
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Residues in contact with TYR 45 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
26O PHE* 4.0 20.4 - + - -
29O SER* 3.5 10.3 + - - +
30O ARG* 3.7 31.2 - - - +
41O GLY 3.1 19.5 + - - +
42O ALA* 3.4 8.3 - - + +
43O HIS 3.1 0.4 - - - -
44O GLU* 1.3 77.1 - - - +
46O HIS* 1.3 83.9 - + - +
48O SER* 3.1 8.2 + - - -
49O ILE* 3.0 49.0 + - + +
159P HEM 3.3 33.9 + - + +
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Residues in contact with HIS 46 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
42O ALA* 3.1 30.0 + - + +
43O HIS* 3.0 12.6 + - + +
45O TYR* 1.3 95.4 - + - +
47O GLU* 1.3 65.3 + - - +
49O ILE* 3.4 12.2 + - + +
50O ASP* 3.0 29.8 + - - +
156O GLU* 6.1 0.4 - - - -
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Residues in contact with GLU 47 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25O TYR* 4.0 16.6 - - + -
43O HIS* 3.0 42.7 + - + +
44O GLU* 3.3 13.2 + - - +
46O HIS* 1.3 74.5 - - - +
48O SER* 1.3 63.6 + - - +
50O ASP* 3.3 16.4 + - - +
51O GLU* 3.1 24.8 + - - +
130O HIS* 3.4 47.6 + - + +
133O TYR* 4.4 2.6 - - - +
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Residues in contact with SER 48 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
22O ILE* 3.1 18.4 + - - +
25O TYR* 3.8 21.3 - - - +
26O PHE* 3.6 18.4 - - - -
44O GLU 2.9 13.5 + - - -
45O TYR* 3.1 8.9 + - - -
47O GLU* 1.3 76.7 - - - +
49O ILE* 1.3 62.6 + - - +
51O GLU* 3.1 7.5 + - - +
52O MET* 3.0 43.7 + - - +
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Residues in contact with ILE 49 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
45O TYR* 3.0 45.8 + - + +
46O HIS* 3.7 15.3 - - + +
48O SER* 1.3 74.6 - - - +
50O ASP* 1.3 65.5 + - - +
52O MET* 3.1 18.6 + - + +
53O LYS* 3.0 35.0 + - - +
159P HEM 3.6 64.4 - - + +
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Residues in contact with ASP 50 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
46O HIS* 3.0 19.8 + - - +
47O GLU* 3.5 20.7 - - - +
48O SER 3.3 0.2 - - - -
49O ILE* 1.3 80.2 - - - +
51O GLU* 1.3 62.5 + - + +
53O LYS* 3.3 21.7 + - - +
54O HIS* 3.1 40.5 + - + +
126O SER* 5.2 4.1 + - - +
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Residues in contact with GLU 51 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18O GLU* 2.6 33.6 - - - +
21O ALA* 3.3 18.4 - - + +
22O ILE* 3.6 19.3 - - + +
25O TYR* 3.7 20.0 - - + -
47O GLU* 3.4 13.5 - - - +
48O SER 3.1 7.4 + - - +
50O ASP* 1.3 75.3 - - - +
52O MET* 1.3 58.1 + - - +
54O HIS* 3.0 16.9 + - - -
55O ALA* 3.0 28.6 + - - +
94O GLU* 3.6 7.8 - - - +
97O ALA* 6.0 0.9 - - - +
127O GLU* 2.8 32.6 - - - +
130O HIS* 5.8 0.4 - - - -
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Residues in contact with MET 52 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
22O ILE* 3.5 20.4 - - + -
26O PHE* 4.0 4.5 - - + -
48O SER* 3.0 40.4 + - - +
49O ILE* 3.1 19.0 + - + +
51O GLU* 1.3 76.8 - - - +
53O LYS* 1.3 62.3 + - - +
55O ALA 3.5 0.3 + - - -
56O ASP* 3.1 18.0 + - - +
159P HEM 2.3 114.1 - - + +
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Residues in contact with LYS 53 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
49O ILE* 3.0 26.9 + - - +
50O ASP* 3.3 19.7 + - - +
52O MET* 1.3 75.9 - - - +
54O HIS* 1.3 68.0 + - + +
56O ASP* 3.2 8.3 + - - +
57O LYS* 3.1 29.9 + - + +
159P HEM 3.4 46.2 + - + +
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Residues in contact with HIS 54 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18O GLU* 3.6 14.6 - - - +
50O ASP* 3.1 22.6 + - + +
51O GLU* 3.0 28.8 + - - +
53O LYS* 1.3 80.3 - - + +
55O ALA* 1.3 57.9 + - - +
57O LYS* 3.2 14.4 + - + +
58O LEU* 2.9 34.4 + - - +
122O ASP 5.0 1.0 + - - -
123O ILE* 3.7 29.0 - - + +
126O SER* 3.0 37.4 + - - -
127O GLU* 3.8 7.6 + - - -
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Residues in contact with ALA 55 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
15O LEU* 3.7 24.7 - - + -
18O GLU* 4.2 9.3 - - + +
19O LEU* 5.0 3.1 - - + -
22O ILE* 4.2 9.6 - - + -
51O GLU 3.0 17.1 + - - +
52O MET 3.6 5.4 - - - +
54O HIS* 1.3 76.2 - - - +
56O ASP* 1.3 57.1 + - - +
58O LEU* 3.3 6.3 + - - +
59O ILE* 2.9 37.0 + - + +
159P HEM 4.0 13.7 - - + -
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Residues in contact with ASP 56 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
52O MET 3.1 14.2 + - - +
53O LYS* 3.5 12.5 - - - +
54O HIS 3.1 0.4 - - - -
55O ALA* 1.3 76.1 - - - +
57O LYS* 1.3 66.1 + - + +
59O ILE* 3.3 1.7 + - - +
60O GLU* 3.0 32.9 + - - +
26P PHE* 3.5 20.0 - - + -
30P ARG* 2.8 45.0 + - - +
159P HEM 4.0 13.8 - - + +
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Residues in contact with LYS 57 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
53O LYS* 3.1 17.5 + - + +
54O HIS* 3.7 13.7 - - + +
56O ASP* 1.3 79.9 - - + +
58O LEU* 1.3 61.4 + - - +
60O GLU* 3.4 15.7 + - - +
61O ARG* 3.0 23.7 + - - +
119O LEU* 3.9 20.9 - - + +
123O ILE* 5.7 2.0 - - + -
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Residues in contact with LEU 58 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
11O LEU* 3.8 30.9 - - + +
14O ILE* 3.7 22.9 - - + -
15O LEU* 3.8 27.1 - - + +
18O GLU* 3.8 17.5 - - + -
54O HIS 2.9 19.9 + - - +
55O ALA* 3.6 7.9 - - - +
57O LYS* 1.3 74.3 - - - +
59O ILE* 1.3 59.0 + - - +
61O ARG* 3.3 5.5 + - - +
62O ILE* 3.0 36.6 + - - +
119O LEU* 3.6 23.6 - - + -
120O LEU* 4.1 5.2 - - + -
123O ILE* 3.9 11.0 - - + -
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Residues in contact with ILE 59 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
15O LEU* 4.0 22.9 - - + -
19O LEU* 6.2 0.2 - - + -
55O ALA 2.9 25.8 + - - +
56O ASP* 3.6 4.3 - - - +
58O LEU* 1.3 75.7 - - - +
60O GLU* 1.3 63.3 + - - +
62O ILE* 3.5 7.6 + - - +
63O LEU* 3.2 40.8 + - + +
69O PRO* 3.9 10.6 - - + +
71O LEU* 3.9 31.2 - - + -
26P PHE* 4.2 19.5 - - + -
27P LEU* 4.4 6.3 - - + +
30P ARG* 3.9 17.0 - - + -
159P HEM 4.8 4.7 - - + -
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Residues in contact with GLU 60 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
56O ASP* 3.0 43.4 + - - +
57O LYS* 3.8 15.8 - - - +
58O LEU 3.4 0.2 - - - -
59O ILE* 1.3 76.9 - - - +
61O ARG* 1.3 57.1 + - - +
63O LEU* 3.6 6.7 + - - +
64O PHE* 3.0 27.5 + - - +
30P ARG* 3.5 25.8 + - + -
33P ASN* 5.3 1.8 - - + +
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Residues in contact with ARG 61 (chain O).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128N GLU* 2.9 32.5 + - - +
11O LEU* 3.9 13.2 - - + -
57O LYS 3.0 17.7 + - - +
58O LEU* 3.3 4.9 + - - +
60O GLU* 1.3 74.5 - - - +
62O ILE* 1.3 59.1 + - - +
64O PHE* 3.1 28.5 + - - +
65O LEU* 2.8 46.4 + - + +
113O ASP* 3.0 28.5 + - - -
115O VAL* 3.6 21.6 - - - +
116O SER* 2.9 23.2 + - - +
119O LEU* 3.7 23.6 - - + -
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Residues in contact with ILE 62 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
8O ILE* 4.2 11.2 - - + +
11O LEU* 3.7 35.4 - - + +
12O ASN* 3.5 23.8 - - - +
15O LEU* 4.1 14.1 - - + -
58O LEU 3.0 26.0 + - - +
59O ILE 3.9 3.1 - - - +
60O GLU 3.4 0.2 - - - -
61O ARG* 1.3 74.9 - - - +
63O LEU* 1.3 59.0 + - - +
65O LEU* 3.0 8.1 + - - +
66O GLU 2.9 9.7 + - - -
67O GLY* 2.8 50.2 + - - -
68O LEU 3.7 6.3 - - - +
69O PRO* 3.7 16.8 - - + -
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Residues in contact with LEU 63 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
59O ILE* 3.2 38.5 + - + +
60O GLU* 3.9 5.2 - - - +
62O ILE* 1.3 79.9 - - - +
64O PHE* 1.3 64.3 + - - +
66O GLU* 2.9 17.3 + - - +
67O GLY 4.0 9.0 - - - +
68O LEU* 5.2 1.3 - - + -
69O PRO* 3.3 27.1 - - + -
27P LEU* 4.5 1.1 - - + -
30P ARG* 3.8 28.5 - - + +
31P MET* 4.1 20.6 - - + +
34P ASP* 4.0 34.0 - - + +
----------------------------------------------------------
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Residues in contact with PHE 64 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128N GLU* 3.6 31.6 - - + -
131N ILE* 4.3 14.8 - - + -
132N ASP* 3.6 48.5 - - + +
135N GLU* 4.3 9.4 - - - +
60O GLU 3.0 15.3 + - - +
61O ARG* 3.3 43.7 - - - +
63O LEU* 1.3 78.1 - - - +
65O LEU* 1.3 71.8 + - + +
66O GLU* 3.1 12.2 + - - +
34P ASP* 4.5 8.0 + - - -
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Residues in contact with LEU 65 (chain O).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
128N GLU* 6.2 0.2 - - - -
3O GLY* 3.8 40.3 + - - +
7O VAL* 4.2 7.2 - - + -
8O ILE* 3.9 16.6 - - + +
11O LEU* 4.0 16.8 - - + -
61O ARG* 2.8 41.2 + - - +
62O ILE* 3.0 4.7 + - - +
64O PHE* 1.3 90.2 - - + +
66O GLU* 1.3 71.2 + - - +
67O GLY 3.3 1.4 + - - -
113O ASP* 4.0 9.6 - - - +
116O SER* 3.9 19.5 - - - +
----------------------------------------------------------
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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