Contacts of the helix formed by residues 2341 - 2349 (chain D) in PDB entry 3R29
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 LEU2341 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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276B LEU* 5.8 0.9 - - + -
302B ARG* 3.3 30.6 - - + +
305B TRP* 5.8 3.8 - - + -
2340D GLY* 1.3 71.1 - - - +
2342D GLU* 1.3 68.6 + - - +
2343D ALA 3.2 2.7 - - - -
2344D ILE* 2.8 31.6 + - + +
2345D ILE* 3.5 27.9 + - + -
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Residues in contact with GLU2342 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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295B ASP* 5.2 2.9 - - - +
298B VAL* 4.4 21.2 - - + +
302B ARG* 4.1 17.9 + - - +
2340D GLY* 5.1 4.3 - - - -
2341D LEU* 1.3 77.9 - - - +
2343D ALA* 1.3 67.7 + - - +
2345D ILE* 2.9 22.8 + - - +
2346D ARG* 3.0 37.6 + - - +
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Residues in contact with ALA2343 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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2340D GLY* 4.3 13.5 + - - +
2341D LEU 3.1 0.6 + - - -
2342D GLU* 1.3 79.0 - - - +
2344D ILE* 1.3 64.6 + - + +
2346D ARG* 3.2 10.7 + - - +
2347D LYS* 2.9 35.6 + - + +
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Residues in contact with ILE2344 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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276B LEU* 3.9 31.4 - - + -
2340D GLY 4.8 6.5 - - - +
2341D LEU* 2.8 29.7 + - + +
2343D ALA* 1.3 73.8 - - + +
2345D ILE* 1.3 64.2 + - - +
2347D LYS* 3.4 10.3 + - + +
2348D ALA* 3.2 17.3 + - - +
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Residues in contact with ILE2345 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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276B LEU* 4.5 16.4 - - + -
280B VAL* 4.3 12.3 - - + -
298B VAL* 4.1 16.4 - - + +
301B LEU* 4.4 23.3 - - + -
302B ARG* 5.6 9.4 - - + +
305B TRP* 4.5 16.6 - - + -
2341D LEU* 3.8 27.8 - - + +
2342D GLU* 2.9 13.8 + - - +
2344D ILE* 1.3 73.1 - - - +
2346D ARG* 1.3 54.0 + - - +
2348D ALA* 2.7 12.6 + - - +
2349D LEU* 2.7 56.8 + - + +
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Residues in contact with ARG2346 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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294B LEU* 3.5 35.2 - - + +
295B ASP* 2.9 31.1 + - - -
298B VAL* 4.8 13.2 - - + +
2342D GLU* 3.0 33.6 + - - +
2343D ALA* 3.4 12.1 - - - +
2345D ILE* 1.3 76.6 - - - +
2347D LYS* 1.3 59.2 + - + +
2349D LEU* 2.9 26.5 + - + -
2350D MET* 3.2 30.2 + - + +
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Residues in contact with LYS2347 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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2343D ALA* 2.9 27.4 + - + +
2344D ILE* 3.7 10.8 - - + +
2345D ILE 3.1 0.2 + - - -
2346D ARG* 1.3 76.6 - - + +
2348D ALA* 1.3 55.9 + - - +
2350D MET* 3.1 26.2 - - + +
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Residues in contact with ALA2348 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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276B LEU* 4.8 8.1 - - + -
280B VAL* 3.7 31.9 - - + -
281B GLU* 4.1 8.5 - - - +
284B LYS* 3.0 14.2 + - - -
2344D ILE 3.2 9.3 + - - +
2345D ILE* 2.7 15.2 + - - +
2347D LYS* 1.3 70.3 - - - +
2349D LEU* 1.3 52.7 + - - +
2350D MET 2.7 21.8 + - - +
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Residues in contact with LEU2349 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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280B VAL* 4.1 30.5 - - + +
284B LYS* 3.5 32.0 + - + +
289B PHE* 5.1 2.7 - - + -
294B LEU* 4.6 21.1 - - + +
297B GLN* 3.8 39.2 - - + +
298B VAL* 4.8 3.8 - - + +
301B LEU* 5.0 7.4 - - + -
2345D ILE* 2.7 37.4 + - + +
2346D ARG* 2.9 17.2 + - + +
2348D ALA* 1.3 70.1 - - - +
2350D MET* 1.3 63.3 - - - +
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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