Contacts of the strand formed by residues 239 - 243 (chain B) in PDB entry 6CNB
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 LYS 239 (chain B).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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234B ILE* 3.5 0.2 - - - +
235B THR* 3.4 2.4 + - - -
236B LYS* 2.6 60.5 + - - +
237B ASN* 2.8 5.8 + - - +
238B GLY* 1.3 71.8 - - - +
240B ILE* 1.3 60.0 + - - +
241B TYR* 3.1 36.0 - - - +
285B VAL* 6.4 0.2 - - + -
286B ASN* 5.1 3.1 - - - +
289B GLU* 3.1 33.2 - - + +
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Residues in contact with ILE 240 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
232B TYR* 2.9 27.8 - - + +
233B VAL 3.9 1.3 - - - +
234B ILE* 3.4 39.3 - - + +
238B GLY* 3.9 9.8 + - - +
239B LYS* 1.3 77.6 - - - +
241B TYR* 1.3 68.7 + - - +
252B PRO* 3.6 4.3 - - - +
253B ILE* 3.4 19.0 + - + -
283B PHE* 5.1 4.9 - - + -
286B ASN* 3.1 38.7 + - + +
289B GLU* 4.6 0.4 + - - -
353B THR* 4.7 10.3 - - + -
356B VAL* 5.4 4.7 - - + -
357B VAL* 6.2 3.4 - - + -
360B MET* 4.7 7.2 - - + -
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Residues in contact with TYR 241 (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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232B TYR* 3.0 15.0 + - - -
233B VAL* 2.8 33.1 + - + +
235B THR* 3.1 20.2 - - + +
239B LYS* 3.1 39.5 - - + +
240B ILE* 1.3 82.6 - - - +
242B LEU* 1.3 60.9 + - - +
243B LYS* 3.7 4.4 + - + +
250B GLU* 3.0 50.6 + - + +
251B ILE 3.1 27.4 - - - +
252B PRO* 3.3 25.9 - - + +
289B GLU* 3.0 27.9 + - - -
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Residues in contact with LEU 242 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
230B LYS* 3.6 35.4 - - + +
231B THR 4.3 1.6 - - - +
232B TYR* 3.3 23.3 - - + -
241B TYR* 1.3 70.6 - - - +
243B LYS* 1.3 62.7 + - - +
244B HIS* 3.9 4.5 + - + +
249B GLU 3.6 0.5 - - - +
250B GLU* 3.1 24.1 - - - -
251B ILE* 3.1 23.1 + - + +
253B ILE* 3.7 16.2 - - + -
256B VAL* 3.6 41.5 - - + -
332B ILE* 5.4 9.9 - - + -
349B ILE* 5.4 5.4 - - + -
352B MET* 5.2 3.6 - - + -
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Residues in contact with LYS 243 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
231B THR* 2.7 56.9 + - - +
232B TYR* 5.5 0.4 - - - -
233B VAL* 4.6 22.4 - - + +
235B THR* 5.1 10.8 - - - +
241B TYR* 3.7 7.1 + - + +
242B LEU* 1.3 72.4 - - - +
244B HIS* 1.3 60.6 + - - +
245B ASN 4.2 0.7 - - - -
249B GLU 3.8 16.4 - - - +
250B GLU* 5.0 6.3 - - + -
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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