Contacts of the helix formed by residues 45 - 74 (chain A) in PDB entry 2ZA6
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 45 (chain A).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
38A PHE* 3.0 26.5 + - + +
43A VAL* 3.6 12.5 - - + +
44A ALA* 1.3 82.6 - - - +
46A GLU* 1.3 66.2 + - - +
47A GLY 3.3 2.5 - - - -
48A VAL* 3.0 17.1 + - + +
49A CYS* 3.0 21.0 + - - +
93A THR* 3.5 24.9 - - - +
164A GLU* 3.8 24.7 - - + +
165A TYR* 4.6 13.0 - - + +
168A GLU* 3.9 26.2 - - + +
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Residues in contact with GLU 46 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
38A PHE 4.4 0.9 - - - +
39A ASP* 3.1 19.7 - - - +
44A ALA* 3.8 5.0 + - - -
45A LEU* 1.3 72.8 + - - +
47A GLY* 1.3 57.8 + - - +
49A CYS* 3.2 1.7 + - - +
50A HIS* 2.9 43.5 + - + +
168A GLU* 3.4 10.1 + - - +
169A ARG* 4.5 9.2 - - - +
201A CD 2.2 31.8 - - - -
202A CD 2.5 24.8 - - - -
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Residues in contact with GLY 47 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
46A GLU* 1.3 72.3 - - - +
48A VAL* 1.3 55.6 + - - +
50A HIS* 3.6 5.4 + - - +
51A PHE* 3.0 27.7 + - - +
168A GLU* 2.8 28.5 + - - -
172A LEU* 3.7 29.4 - - - +
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Residues in contact with VAL 48 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
38A PHE* 3.5 26.2 - - + -
45A LEU* 3.0 24.3 + - + +
47A GLY* 1.3 75.7 - - - +
49A CYS* 1.3 66.8 + - - +
51A PHE* 3.3 3.5 + - + +
52A PHE* 3.1 49.8 + - + -
93A THR* 4.0 25.6 - - + +
97A MET* 5.8 1.8 - - + -
168A GLU* 4.2 8.7 - - + -
172A LEU* 3.6 21.8 - - + -
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Residues in contact with CYS 49 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
35A GLY* 3.4 28.5 - - - +
36A PHE* 6.0 0.2 - - - -
38A PHE* 3.7 4.5 - - - +
39A ASP* 3.9 13.9 - - - +
45A LEU 3.0 11.5 + - - +
46A GLU* 3.4 11.0 - - - +
48A VAL* 1.3 78.0 - - - +
50A HIS* 1.3 62.7 + - - +
52A PHE 3.8 0.3 - - - -
53A ARG* 2.9 52.3 + - - +
201A CD 2.6 30.5 - - - -
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Residues in contact with HIS 50 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
46A GLU* 2.9 37.1 + - + +
47A GLY* 4.0 5.6 - - - +
49A CYS* 1.3 80.4 - - - +
51A PHE* 1.3 66.5 + - - +
53A ARG* 4.0 6.8 - - + +
54A GLU* 2.9 46.3 + - - +
202A CD 2.2 31.9 - - - -
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Residues in contact with PHE 51 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
47A GLY 3.0 19.3 + - - +
48A VAL* 3.5 7.4 - - - +
50A HIS* 1.3 77.0 - - - +
52A PHE* 1.3 89.6 + + - +
54A GLU* 3.6 12.5 + - - +
55A LEU* 3.2 48.7 + - + +
97A MET* 3.8 20.4 - - + -
141A LEU* 4.8 6.1 - - + -
144A LYS* 4.9 7.2 - - + -
145A MET* 4.2 16.2 - - + -
148A HIS* 3.9 26.9 - + - -
172A LEU* 4.2 19.3 - - + -
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Residues in contact with PHE 52 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
31A TYR* 3.4 36.1 - + + +
34A LEU* 3.7 19.3 - - + -
35A GLY* 3.7 17.9 - - - +
38A PHE* 3.8 8.5 - + - -
48A VAL* 3.1 42.6 + - + +
51A PHE* 1.3 103.9 - + - +
53A ARG* 1.3 61.6 + - - +
55A LEU* 3.1 3.0 + - + +
56A ALA 2.9 23.7 + - - -
93A THR* 6.3 0.2 - - + -
96A ALA* 3.8 37.0 - - + -
97A MET* 4.3 8.7 - - + -
100A ALA* 3.8 21.1 - - + -
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Residues in contact with ARG 53 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
31A TYR 4.8 2.0 - - - +
32A LEU* 3.5 28.0 - - + +
35A GLY* 4.0 11.9 - - - -
36A PHE* 3.6 30.9 - - + -
49A CYS* 2.9 40.8 + - - +
50A HIS* 4.0 7.0 - - + +
52A PHE* 1.3 74.6 - - - +
54A GLU* 1.3 62.5 + - + +
56A ALA* 3.2 16.9 + - - +
57A GLU* 3.2 12.8 + - - +
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Residues in contact with GLU 54 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
50A HIS* 2.9 39.4 + - - +
51A PHE* 3.7 12.3 - - - +
53A ARG* 1.3 74.8 - - + +
55A LEU* 1.3 59.5 + - + +
57A GLU* 3.2 12.6 + - - +
58A GLU* 3.0 34.2 + - + +
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Residues in contact with LEU 55 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
31A TYR* 3.7 26.7 - - + -
51A PHE* 3.2 38.3 + - + +
52A PHE* 3.1 9.9 + - + +
54A GLU* 1.3 75.5 - - + +
56A ALA* 1.3 64.6 + - - +
58A GLU* 3.2 16.3 + - + +
59A LYS* 2.9 30.4 + - - +
141A LEU* 3.7 33.7 - - + -
145A MET* 3.6 28.0 - - + -
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Residues in contact with ALA 56 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
28A SER* 2.7 43.8 + - - +
31A TYR* 3.5 15.8 - - + +
32A LEU* 3.7 18.8 - - + +
52A PHE 2.9 9.6 + - - +
53A ARG* 3.2 13.2 + - - +
55A LEU* 1.3 75.6 - - - +
57A GLU* 1.3 62.9 + - - +
59A LYS 3.4 0.2 + - - -
60A ARG* 3.0 13.8 + - - +
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Residues in contact with GLU 57 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
53A ARG 3.2 8.0 + - - +
54A GLU* 3.2 12.0 + - - +
55A LEU 3.2 0.4 - - - -
56A ALA* 1.3 78.2 - - - +
58A GLU* 1.3 68.8 + - - +
60A ARG* 3.2 29.3 + - - +
61A GLU* 2.9 53.2 + - - +
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Residues in contact with GLU 58 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
24A TYR* 5.4 0.3 - - - -
54A GLU* 3.0 21.1 + - + +
55A LEU* 3.2 21.7 + - + +
57A GLU* 1.3 91.0 - - - +
59A LYS* 1.3 62.3 + - - +
61A GLU* 3.3 24.4 + - - +
62A GLY* 3.0 23.9 + - - -
137A GLU* 4.3 25.4 - - - +
141A LEU* 6.4 0.4 - - + -
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Residues in contact with LYS 59 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
24A TYR* 3.5 41.3 - - + +
27A ALA* 3.9 5.2 - - + -
28A SER* 3.7 9.6 - - - +
31A TYR* 3.8 18.2 - - + -
55A LEU* 2.9 23.2 + - - +
58A GLU* 1.3 76.8 - - - +
60A ARG* 1.3 67.4 + - - +
62A GLY 3.2 0.9 + - - -
63A ALA* 3.0 18.2 + - - +
104A GLU* 2.7 31.6 + - - -
107A LEU* 3.7 18.8 - - + +
137A GLU* 4.7 7.5 + - - +
138A GLU* 2.7 30.3 + - - -
141A LEU* 3.9 11.6 - - - +
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Residues in contact with ARG 60 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25A LEU* 4.5 14.4 - - + -
28A SER* 3.7 13.2 + - - +
56A ALA 3.0 16.9 + - - +
57A GLU* 3.6 38.8 + - - +
59A LYS* 1.3 77.1 - - - +
61A GLU* 1.3 66.5 + - - +
63A ALA* 3.2 8.9 + - - +
64A GLU* 3.0 53.9 + - + +
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Residues in contact with GLU 61 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
57A GLU* 2.9 45.9 + - + +
58A GLU* 3.5 27.5 - - - +
60A ARG* 1.3 86.0 + - - +
62A GLY* 1.3 55.3 + - - +
64A GLU* 3.3 15.5 + - - +
65A ARG* 2.9 37.2 + - - +
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Residues in contact with GLY 62 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
24A TYR* 4.0 8.3 - - - -
58A GLU 3.0 14.5 + - - -
59A LYS 3.2 4.2 + - - -
61A GLU* 1.3 73.5 - - - +
63A ALA* 1.3 62.4 + - - +
65A ARG* 3.3 4.7 + - - -
66A LEU* 3.0 21.8 + - - +
134A PHE* 3.5 31.7 - - - -
137A GLU* 5.6 2.7 - - - -
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Residues in contact with ALA 63 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
21A VAL* 4.1 10.6 - - + +
24A TYR* 3.9 14.8 - - + +
25A LEU* 3.6 35.2 - - + -
59A LYS 3.0 10.9 + - - +
60A ARG 3.2 8.9 + - - +
62A GLY* 1.3 75.9 - - - +
64A GLU* 1.3 57.4 + - + +
66A LEU* 3.2 9.8 + - - +
67A LEU* 2.9 36.0 + - + +
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Residues in contact with GLU 64 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
25A LEU* 6.3 1.1 - - + -
60A ARG* 3.0 46.7 + - + +
61A GLU* 3.3 18.5 + - - +
63A ALA* 1.3 75.2 - - + +
65A ARG* 1.3 57.9 + - - +
67A LEU* 3.2 14.6 + - + +
68A LYS* 2.9 29.6 + - - +
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Residues in contact with ARG 65 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
61A GLU* 2.9 19.5 + - - +
62A GLY* 3.3 9.9 + - - +
64A GLU* 1.3 77.4 - - - +
66A LEU* 1.3 55.9 + - - +
68A LYS* 3.4 9.8 + - + +
69A MET* 2.9 28.6 + - - +
129A PHE* 3.7 15.6 - - + -
133A HIS* 3.4 57.3 + - - +
134A PHE* 4.1 8.2 - - + -
----------------------------------------------------------
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Residues in contact with LEU 66 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
17A VAL* 4.0 14.3 - - + +
20A LEU* 3.8 43.1 - - + -
21A VAL* 3.5 20.6 - - + +
24A TYR* 4.1 14.1 - - + -
62A GLY 3.0 20.6 + - - +
63A ALA* 3.5 7.6 - - - +
65A ARG* 1.3 77.1 - - - +
67A LEU* 1.3 58.9 + - - +
69A MET* 3.3 13.1 + - + +
70A GLN* 2.8 28.6 + - - +
114A LEU* 5.1 0.2 - - + -
129A PHE* 3.7 24.5 - - + -
130A LEU* 4.6 4.5 - - + -
134A PHE* 3.7 14.6 - - + -
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Residues in contact with LEU 67 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
18A ASN* 5.0 3.1 - - - +
21A VAL* 3.9 24.2 - - + -
25A LEU* 5.6 2.2 - - + -
63A ALA* 2.9 24.8 + - + +
64A GLU* 3.2 16.8 + - + +
66A LEU* 1.3 72.8 - - - +
68A LYS* 1.3 65.6 + - - +
70A GLN* 3.2 7.1 + - + +
71A ASN* 3.1 27.5 + - - +
77A ALA* 3.7 22.2 - - + +
78A LEU 5.6 0.7 - - - +
79A PHE* 3.6 42.4 - - + -
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Residues in contact with LYS 68 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
64A GLU 2.9 17.1 + - - +
65A ARG* 3.6 9.2 - - + +
67A LEU* 1.3 74.9 - - - +
69A MET* 1.3 58.6 + - - +
71A ASN* 3.3 8.5 + - - +
72A GLN* 2.9 58.9 + - + +
----------------------------------------------------------
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Residues in contact with MET 69 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
9A TYR* 4.0 12.1 - - - -
17A VAL* 3.8 34.1 - - + -
65A ARG 2.9 18.1 + - - +
66A LEU* 3.6 6.3 - - + +
68A LYS* 1.3 74.9 - - - +
70A GLN* 1.3 66.6 + - - +
72A GLN* 3.0 16.1 + - - +
73A ARG* 2.9 36.2 + - - +
125A HIS* 4.4 14.6 - - + -
126A LEU* 3.8 16.6 - - + -
129A PHE* 3.6 46.2 - - + -
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Residues in contact with GLN 70 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
9A TYR* 2.6 44.9 + - - -
14A GLU* 3.1 24.0 + - - +
17A VAL* 3.7 11.9 - - + +
18A ASN* 3.0 29.2 + - - +
66A LEU 2.8 17.8 + - - +
67A LEU* 3.2 14.6 + - + +
69A MET* 1.3 73.2 - - - +
71A ASN* 1.3 61.5 + - - +
73A ARG* 3.3 1.9 + - - +
74A GLY 3.2 3.8 + - - -
75A GLY* 2.9 40.0 + - - +
76A ARG 3.8 1.0 + - - -
77A ALA* 3.7 26.5 - - + +
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Residues in contact with ASN 71 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2A SER* 5.7 0.2 - - - -
5A ILE* 3.6 10.4 - - - +
67A LEU 3.1 12.1 + - - +
68A LYS* 3.7 9.1 - - - +
70A GLN* 1.3 79.5 - - - +
72A GLN* 1.3 65.6 + - - +
74A GLY* 3.0 11.3 + - - -
75A GLY 3.7 13.9 - - - +
76A ARG* 5.1 0.3 - - - -
77A ALA* 4.6 13.3 + - - +
----------------------------------------------------------
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Residues in contact with GLN 72 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
5A ILE* 3.4 15.3 - - - +
68A LYS* 2.9 51.6 + - + +
69A MET* 3.0 26.3 + - + +
71A ASN* 1.3 76.3 - - + +
73A ARG* 1.3 64.8 + - + +
125A HIS* 5.1 8.3 - - + -
129A PHE* 5.4 2.6 - - - -
----------------------------------------------------------
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Residues in contact with ARG 73 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
5A ILE* 4.3 3.7 - - - +
6A ARG* 3.5 25.1 - - - +
7A GLN 3.0 21.8 + - - +
8A ASN* 2.8 33.9 + - - +
9A TYR* 3.4 44.5 - - + +
69A MET* 2.9 28.1 + - + +
70A GLN 3.9 0.7 - - - +
72A GLN* 1.3 79.6 - - - +
74A GLY* 1.3 60.9 + - - +
123A ASP* 2.8 29.9 + - - -
125A HIS* 3.6 39.6 + - + +
126A LEU* 3.9 4.4 - - - +
----------------------------------------------------------
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Residues in contact with GLY 74 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2A SER* 2.8 42.3 + - - +
5A ILE* 3.8 10.8 - - - -
6A ARG* 4.0 15.2 + - - -
70A GLN 3.2 0.2 + - - -
71A ASN 3.0 15.5 + - - -
72A GLN 3.3 0.8 + - - -
73A ARG* 1.3 79.4 - - - +
75A GLY* 1.3 62.0 + - - +
----------------------------------------------------------
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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