Contacts of the helix formed by residues 109 - 114 (chain A) in PDB entry 6DWM
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 109 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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81A THR* 6.1 0.4 - - + -
107A PRO* 3.0 33.4 + - + +
108A ASP* 1.3 79.4 - - - +
110A TYR* 1.3 65.5 + - - +
111A THR* 3.4 2.7 - - - +
112A PHE* 3.4 44.4 + - + +
113A THR* 3.4 15.6 + - - +
235A ASP* 3.7 33.0 - - + +
236A PHE* 4.0 33.9 - - + -
387A PRO* 4.4 11.2 - - + -
406A CYS* 5.1 1.3 - - - -
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Residues in contact with TYR 110 (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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108A ASP 4.0 0.6 + - - -
109A LEU* 1.3 71.8 - - - +
111A THR* 1.3 77.2 + - + +
113A THR* 2.5 40.3 + - + -
114A LEU* 3.7 29.0 + - + +
234A ALA* 4.9 2.2 - - + -
235A ASP* 3.3 8.3 + - - +
241A ARG* 3.2 55.2 + - + +
242A TYR* 5.9 4.3 - + - -
248A LEU* 3.9 20.4 - - + +
252A LYS* 3.6 25.5 + - - -
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Residues in contact with THR 111 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
109A LEU* 4.3 0.2 - - - +
110A TYR* 1.3 78.3 - - + +
112A PHE* 1.3 79.7 + - - +
114A LEU* 3.3 14.8 + - - +
115A ILE* 3.6 5.1 - - - +
227A VAL* 3.7 35.2 + - + +
228A VAL* 4.9 1.9 - - - -
232A ASN* 3.9 9.4 - - - +
234A ALA* 4.8 2.9 - - + -
235A ASP* 2.7 42.3 + - - +
248A LEU* 4.5 12.3 - - + -
251A PHE* 3.5 19.9 - - + -
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Residues in contact with PHE 112 (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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106A ARG* 5.1 2.2 - - + -
107A PRO* 3.7 27.1 - - + +
109A LEU* 3.4 35.6 + - + +
110A TYR 3.1 1.0 - - - -
111A THR* 1.3 88.1 - - - +
113A THR* 1.3 62.7 + - + +
114A LEU 3.1 5.4 - - - -
115A ILE* 3.1 31.1 + - + +
118A GLY* 4.4 2.8 - - - -
120A SER* 5.2 0.9 - - - -
123A PHE* 3.2 59.9 - + + +
124A SER* 5.4 2.1 + - - -
125A PRO* 6.3 0.4 - - + -
228A VAL* 3.9 19.7 - - + -
235A ASP* 5.1 0.4 - - - -
386A ILE* 4.2 8.3 - - + -
387A PRO* 4.0 20.6 - - + -
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Residues in contact with THR 113 (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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108A ASP* 5.6 3.8 - - + +
109A LEU 3.4 16.4 - - - +
110A TYR* 2.5 35.1 + - + +
112A PHE* 1.3 76.2 - - + +
114A LEU* 1.3 61.0 + - - +
115A ILE 3.4 0.4 - - - -
117A ASN* 4.2 1.4 - - - -
118A GLY* 3.3 28.9 + - - -
125A PRO* 6.5 2.5 - - + -
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Residues in contact with LEU 114 (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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110A TYR* 3.8 48.2 - - + +
111A THR* 3.6 10.5 - - - +
112A PHE 3.1 1.0 - - - -
113A THR* 1.3 84.5 - - - +
115A ILE* 1.3 59.0 + - - +
116A SER 3.9 0.5 + - - -
117A ASN* 4.5 4.5 + - - -
248A LEU* 4.5 5.8 - - + -
251A PHE* 3.8 28.5 - - + -
252A LYS* 4.1 28.7 - - + -
255A ASN* 3.3 23.0 - - + +
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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