Contacts of the strand formed by residues 82 - 87 (chain B) in PDB entry 1NCO
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 ARG 82 (chain B).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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74B GLU* 3.5 35.6 - - + +
75B GLY 3.4 11.9 - - - +
76B PHE* 3.7 29.4 - - + -
77B LEU* 5.0 1.3 - - - +
80B GLY 4.1 0.2 + - - -
81B THR* 1.3 78.5 + - - +
83B TRP* 1.3 65.0 + - - +
84B GLY* 3.9 11.2 - - - +
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Residues in contact with TRP 83 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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40B VAL* 3.5 58.6 - - + +
41B ASP* 5.0 8.3 - - - +
44B VAL* 4.0 15.3 - - + +
46B ALA* 4.2 4.3 - - + -
75B GLY 2.8 13.3 + - - +
77B LEU* 3.4 26.9 - - + +
81B THR 3.8 2.4 + - - -
82B ARG* 1.3 75.7 - - - +
84B GLY* 1.3 77.3 + - - +
85B THR 4.1 15.7 - - - -
86B VAL* 4.6 4.9 - - + -
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Residues in contact with GLY 84 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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74B GLU* 3.6 11.4 - - - -
75B GLY* 2.9 23.9 + - - -
82B ARG* 3.8 4.4 - - - +
83B TRP* 1.3 89.8 - - - +
85B THR* 1.3 65.2 + - - -
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Residues in contact with THR 85 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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72B SER* 4.7 6.9 - - - -
73B PHE 3.3 10.9 + - - -
74B GLU* 3.3 27.5 + - - +
83B TRP* 4.1 9.7 - - - -
84B GLY* 1.3 72.5 - - - -
86B VAL* 1.3 68.5 + - - +
87B ASP* 4.1 3.8 + - - +
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Residues in contact with VAL 86 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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38B ALA* 3.8 24.2 - - + -
40B VAL* 4.2 22.0 - - + -
46B ALA* 4.3 4.3 - - + -
72B SER* 3.0 6.9 - - - -
73B PHE* 2.8 60.1 + - + -
75B GLY* 4.1 12.1 - - - -
83B TRP* 4.6 3.4 - - + -
84B GLY 4.2 2.0 - - - +
85B THR* 1.3 78.3 + - - +
87B ASP* 1.3 62.0 + - - +
88B CYS 3.9 0.2 + - - -
91B ALA* 4.1 10.3 - - + -
93B CYS* 3.8 17.9 - - - -
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Residues in contact with ASP 87 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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71B ARG* 4.0 6.4 - - - +
72B SER* 4.1 8.9 - - - -
85B THR* 4.1 5.1 + - - +
86B VAL* 1.3 72.3 - - - +
88B CYS* 1.3 57.0 + - - +
89B THR* 2.9 34.3 + - - +
90B THR* 3.1 21.7 + - - +
91B ALA* 2.8 29.0 + - - +
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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
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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