Contacts of the strand formed by residues 226 - 230 (chain A) in PDB entry 2VGZ
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 226 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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3A TYR* 4.6 12.1 - - + -
6A PHE* 3.7 52.3 - - + -
128A ILE* 4.1 21.1 - - + -
192A LYS 3.0 10.2 + - - +
193A PHE* 3.0 9.2 - - + +
194A LEU 2.8 31.4 + - - -
225A PHE* 1.3 77.1 - - - +
227A ILE* 1.3 59.5 + - - +
228A ILE* 5.0 2.2 - - + -
254A ARG* 3.3 31.4 - - + +
256A ILE* 4.4 5.2 - - + -
280A LEU* 4.2 19.3 - - + -
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Residues in contact with ILE 227 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
194A LEU* 3.4 16.8 - - + +
196A THR* 5.4 2.2 - - + -
216A ILE* 4.8 2.2 - - + -
217A TYR* 3.6 35.9 - - + -
220A ALA* 3.7 25.1 - - + -
225A PHE* 4.5 6.1 - - + +
226A LEU* 1.3 76.5 - - - +
228A ILE* 1.3 72.2 + - - +
229A GLU* 3.8 2.0 + - + +
246A PHE* 3.8 45.3 - - + -
254A ARG* 2.8 8.6 + - - +
255A VAL* 3.4 14.0 - - + +
256A ILE* 2.9 26.5 + - - +
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Residues in contact with ILE 228 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
121A LEU* 3.8 29.6 - - + -
124A VAL* 3.7 30.1 - - + -
125A PHE* 4.1 7.4 - - + -
128A ILE* 4.1 3.4 - - + -
193A PHE* 3.5 48.0 - - + -
194A LEU 2.8 12.4 + - - +
195A TYR* 3.6 11.9 - - + -
196A THR* 3.1 28.6 + - - +
226A LEU* 5.0 1.1 - - + -
227A ILE* 1.3 78.8 - - - +
229A GLU* 1.3 60.2 + - - +
230A ASP 3.6 0.9 + - - -
256A ILE* 3.5 19.7 - - + +
258A ALA 6.1 0.4 - - - +
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Residues in contact with GLU 229 (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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196A THR* 3.7 4.0 - - - -
198A PRO* 3.7 25.8 - - + +
213A LYS* 4.3 1.4 + - - -
227A ILE* 3.8 1.7 - - + -
228A ILE* 1.3 71.3 - - - +
230A ASP* 1.3 63.0 + - - +
231A ASP* 3.5 1.9 + - + -
245A THR* 3.6 7.4 - - - +
246A PHE* 2.8 44.9 + - + +
247A LEU* 3.2 26.2 + - - +
255A VAL* 4.1 8.0 - - + +
256A ILE 2.8 12.7 + - - +
257A ARG* 3.1 34.0 + - - +
258A ALA* 2.9 24.8 + - - +
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Residues in contact with ASP 230 (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 SER* 4.5 7.3 + - - +
121A LEU* 3.5 24.4 - - + +
145A THR* 4.5 0.3 + - - -
195A TYR* 2.9 41.2 + - + +
196A THR 3.0 9.0 + - - +
197A VAL* 3.2 27.1 - - + +
198A PRO* 3.7 0.7 - - - +
228A ILE 3.6 0.4 + - - -
229A GLU* 1.3 72.3 - - - +
231A ASP* 1.3 60.7 + - - +
232A PRO* 3.4 17.2 - - - +
258A ALA* 3.9 16.6 - - - +
1263A PLP 3.8 17.2 + - - -
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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