Contacts of the helix formed by residues 4 - 15 (chain D) in PDB entry 3G3B
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 GLY 4 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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2D VAL 3.9 0.4 + - - -
3D PHE* 1.3 76.9 - - - +
5D ARG* 1.3 59.8 + - - -
6D CYS 3.4 2.2 - - - -
7D GLU* 3.1 19.8 + - - -
8D LEU* 2.9 29.3 + - - +
38D PHE* 4.3 1.3 - - - -
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Residues in contact with ARG 5 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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4D GLY* 1.3 70.7 - - - +
6D CYS* 1.3 74.3 + - - +
8D LEU* 3.3 3.0 + - - +
9D ALA* 2.9 27.6 + - - +
29D VAL* 4.1 13.9 - - + +
38D PHE* 3.6 25.8 - - + -
122D ALA 3.7 3.6 + - - -
123D TRP* 2.7 62.2 + - - +
125D ARG 3.1 27.5 + - - -
126D GLY* 4.7 3.4 - - - -
127D CYS* 3.6 5.7 - - - -
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Residues in contact with CYS 6 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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4D GLY 3.4 0.2 - - - -
5D ARG* 1.3 96.9 - - - +
7D GLU* 1.3 60.0 + - - +
9D ALA* 3.4 2.9 + - - +
10D ALA* 2.9 30.3 + - - +
126D GLY 4.0 5.8 - - - -
127D CYS* 2.5 58.0 - - + +
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Residues in contact with GLU 7 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1D LYS* 2.7 34.8 + - - -
2D VAL 4.6 1.0 - - - +
3D PHE* 3.7 14.3 - - + -
4D GLY* 3.1 28.5 + - - +
5D ARG 3.3 0.2 - - - -
6D CYS* 1.3 75.6 - - - +
8D LEU* 1.3 66.1 + - - +
10D ALA* 3.4 6.4 + - - +
11D ALA* 3.0 23.9 + - - +
14D ARG* 5.0 0.9 + - - -
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Residues in contact with LEU 8 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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3D PHE* 3.7 29.3 - - + -
4D GLY 2.9 17.9 + - - +
5D ARG* 3.6 4.9 - - - +
7D GLU* 1.3 73.7 - - - +
9D ALA* 1.3 59.8 + - - +
11D ALA* 3.1 2.8 + - - +
12D MET* 2.9 52.9 + - + +
29D VAL* 4.6 4.9 - - + -
32D ALA* 3.7 20.6 - - + -
38D PHE* 3.5 34.1 - - + -
55D ILE* 4.3 7.6 - - + -
88D ILE* 4.0 30.3 - - + -
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Residues in contact with ALA 9 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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5D ARG 2.9 15.5 + - - +
6D CYS* 3.5 12.3 - - - +
7D GLU 3.4 0.2 - - - -
8D LEU* 1.3 76.0 - - - +
10D ALA* 1.3 59.4 + - - +
12D MET* 3.4 1.3 + - - -
13D LYS* 3.1 24.4 + - - +
25D LEU* 3.7 10.2 - - + +
29D VAL* 3.8 13.1 - - + +
123D TRP 5.0 0.7 - - - +
124D ILE* 3.6 29.8 - - + +
127D CYS* 4.6 10.1 - - + -
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Residues in contact with ALA 10 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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6D CYS 2.9 20.2 + - - +
7D GLU* 3.8 6.5 - - - +
8D LEU 3.3 0.4 - - - -
9D ALA* 1.3 72.9 - - - +
11D ALA* 1.3 61.4 + - - +
13D LYS* 3.5 8.3 + - - +
14D ARG* 3.2 42.4 + - - +
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Residues in contact with ALA 11 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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3D PHE* 4.1 14.6 - - + -
7D GLU 3.0 17.5 + - - +
8D LEU 3.6 3.6 - - - +
10D ALA* 1.3 74.5 - - - +
12D MET* 1.3 62.3 + - - +
14D ARG* 3.3 19.1 - - - +
15D HIS* 2.8 35.3 + - + +
88D ILE* 3.8 21.8 - - + -
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Residues in contact with MET 12 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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8D LEU* 2.9 38.0 + - + +
9D ALA 3.8 0.2 - - - +
11D ALA* 1.3 75.0 - - - +
13D LYS* 1.3 61.2 + - - +
15D HIS* 3.4 5.5 + - - +
16D GLY 3.4 4.2 + - - -
17D LEU* 3.1 43.7 + - + +
25D LEU* 3.8 16.2 - - + -
28D TRP* 3.6 41.3 - - + +
29D VAL* 3.7 20.6 - - - -
32D ALA* 4.2 3.8 - - + -
55D ILE* 4.0 20.9 - - + -
56D LEU* 4.7 6.7 - - + -
88D ILE* 3.7 17.5 - - + -
92D VAL* 5.8 0.2 - - + -
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Residues in contact with LYS 13 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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4A SER* 5.6 0.9 + - - -
9D ALA 3.1 16.3 + - - +
10D ALA* 3.7 7.6 - - - +
11D ALA 3.2 0.2 - - - -
12D MET* 1.3 74.6 - - - +
14D ARG* 1.3 61.8 + - - +
15D HIS 3.0 5.4 - - - -
16D GLY* 3.0 14.8 + - - +
17D LEU 4.6 2.5 - - - +
18D ASP* 3.2 35.4 + - + +
25D LEU* 3.7 24.2 - - + +
124D ILE* 6.0 2.6 - - - +
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Residues in contact with ARG 14 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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7D GLU 5.0 0.8 + - - -
10D ALA* 3.2 26.6 + - - +
11D ALA* 3.3 44.2 + - - +
13D LYS* 1.3 78.6 - - - +
15D HIS* 1.3 71.4 + - + +
16D GLY 3.4 1.0 + - - -
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Residues in contact with HIS 15 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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11D ALA* 2.8 30.2 + - + +
12D MET 3.9 3.6 - - - +
13D LYS 3.0 1.2 - - - -
14D ARG* 1.3 90.4 + - + +
16D GLY* 1.3 52.7 + - - +
17D LEU 3.5 2.5 - - - -
87D ASP* 4.3 4.4 + - - -
88D ILE* 4.0 19.6 + - + +
89D THR* 3.0 40.2 + - + +
92D VAL* 3.5 25.6 - - + +
96D LYS* 2.8 30.9 + - - -
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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
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Atomic class I II III IV V VI VII VIII
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I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
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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