Contacts of the helix formed by residues 157 - 165 (chain A) in PDB entry 3EOV
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 157 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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42A ARG 3.4 20.0 - - - -
43A ILE* 4.1 3.8 - - - +
154A VAL* 4.0 2.9 - - - -
156A ASP* 1.3 83.7 + - - +
158A MET* 1.3 65.7 + - - +
159A ASP* 3.1 3.6 - - - -
160A VAL* 3.1 23.7 + - - +
161A VAL* 3.2 15.4 + - - +
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Residues in contact with MET 158 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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117A VAL* 4.0 19.1 - - + -
118A GLY* 4.0 17.7 - - - -
136A ILE* 5.2 0.2 - - + -
137A THR 4.0 21.5 - - - +
138A THR* 4.5 0.9 - - - -
154A VAL* 3.8 21.9 - - + +
156A ASP* 3.4 2.3 - - - -
157A GLY* 1.3 78.2 - - - +
159A ASP* 1.3 61.4 + - - +
161A VAL* 3.2 26.0 + - + +
162A LEU* 2.9 58.0 + - + +
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Residues in contact with ASP 159 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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157A GLY* 3.1 1.5 - - - -
158A MET* 1.3 80.9 - - - +
160A VAL* 1.3 60.7 + - + +
162A LEU* 3.4 17.8 + - - +
163A ARG* 3.1 26.0 + - - +
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Residues in contact with VAL 160 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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33A VAL* 4.5 6.1 - - + -
40A LEU* 4.1 36.6 - - + +
41A GLY* 4.3 9.0 - - - +
42A ARG 4.0 20.4 - - - +
43A ILE* 3.9 22.2 - - + -
157A GLY* 3.1 17.0 + - - +
159A ASP* 1.3 80.0 - - + +
161A VAL* 1.3 58.0 + - - +
163A ARG* 3.3 8.4 - - - +
164A ILE* 3.2 27.2 + - + +
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Residues in contact with VAL 161 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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43A ILE* 3.8 31.0 - - + -
85A ILE* 4.1 17.3 - - + +
136A ILE* 4.0 26.9 - - + -
138A THR* 3.6 25.8 - - + -
154A VAL* 4.6 4.9 - - + -
157A GLY 3.2 10.9 + - - +
158A MET* 3.2 20.5 + - + +
160A VAL* 1.3 75.9 - - - +
162A LEU* 1.3 56.6 + - - +
163A ARG 3.1 4.7 - - - -
164A ILE* 3.5 4.2 + - - +
165A GLU* 3.2 25.8 + - - +
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Residues in contact with LEU 162 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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138A THR* 4.3 16.4 - - + +
158A MET* 2.9 48.0 + - + +
159A ASP* 3.4 21.5 + - - +
160A VAL 3.4 0.2 - - - -
161A VAL* 1.3 74.8 - - - +
163A ARG* 1.3 58.5 + - - +
165A GLU* 3.9 19.1 - - - +
166A LYS* 2.9 43.3 + - - +
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Residues in contact with ARG 163 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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35A ILE* 4.9 5.8 - - + +
38A GLU* 3.6 20.2 + - - -
39A PRO 5.3 1.4 + - - -
40A LEU* 3.1 40.0 + - + +
159A ASP 3.1 13.2 + - - +
160A VAL* 3.3 15.3 - - - +
162A LEU* 1.3 79.0 - - - +
164A ILE* 1.3 65.9 + - - +
166A LYS* 3.1 17.8 + - - +
167A THR* 3.7 5.2 + - - -
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Residues in contact with ILE 164 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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33A VAL* 3.9 31.0 - - + -
35A ILE* 5.0 2.5 - - - -
40A LEU* 3.7 17.9 - - + -
43A ILE* 4.4 8.5 - - + -
76A PHE* 4.6 6.3 - - + -
79A VAL* 3.7 23.0 - - + +
85A ILE* 4.2 25.8 - - + -
160A VAL* 3.2 14.8 + - + +
161A VAL 3.9 4.9 - - - +
163A ARG* 1.3 76.9 - - - +
165A GLU* 1.3 65.6 + - - +
167A THR* 2.8 27.8 + - - +
179A VAL* 3.9 24.7 - - + -
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Residues in contact with GLU 165 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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79A VAL* 3.5 21.4 - - + +
80A ILE 4.3 3.8 - - - +
81A GLN* 3.7 26.1 + - + +
82A ASN* 2.7 26.5 + - - +
85A ILE* 4.2 7.6 - - + +
138A THR* 2.6 35.0 + - + +
161A VAL 3.2 15.8 + - - +
162A LEU* 3.9 12.4 - - - +
163A ARG 3.2 0.2 - - - -
164A ILE* 1.3 78.7 - - - +
166A LYS* 1.3 85.1 + - + +
167A THR 4.4 1.7 - - - +
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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