Contacts of the strand formed by residues 304 - 308 (chain A) in PDB entry 6QX2
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 VAL 304 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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259A ILE 3.7 1.6 - - - +
260A VAL* 3.5 2.8 - - - -
261A VAL* 2.9 51.8 + - + +
264A ILE* 5.4 1.3 - - + -
270A LYS* 4.3 14.4 - - + -
273A MET* 4.8 12.3 - - + -
274A ILE* 3.9 31.9 - - + -
277A ILE* 5.5 1.3 - - + -
292A LEU* 4.4 14.4 - - + -
293A ARG 3.6 11.4 - - - +
294A ASP* 3.9 14.4 - - - +
302A VAL* 4.6 5.8 - - + -
303A ARG* 1.3 73.7 - - - +
305A VAL* 1.3 61.9 + - - +
306A ILE* 4.8 7.1 - - + +
327A LEU* 6.3 0.2 - - + -
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Residues in contact with VAL 305 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
258A ARG* 3.6 21.3 - - + +
259A ILE 3.6 3.6 - - - +
260A VAL* 4.7 3.1 - - + -
291A ASP 4.3 0.3 - - - +
292A LEU* 3.4 4.3 - - - +
293A ARG* 2.8 67.7 + - - +
295A GLU* 3.4 33.0 - - + +
303A ARG* 3.9 23.1 - - + +
304A VAL* 1.3 76.1 - - - +
306A ILE* 1.3 65.3 + - - +
307A ASP* 3.4 14.6 - - - +
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Residues in contact with ILE 306 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
258A ARG* 3.4 2.0 - - - -
259A ILE* 2.9 59.2 + - + +
261A VAL* 4.6 12.1 - - + -
277A ILE* 4.5 13.0 - - + -
289A ILE* 3.7 43.3 - - + -
291A ASP 3.5 4.0 - - - +
292A LEU* 3.7 20.6 - - + -
304A VAL* 4.8 6.3 - - + +
305A VAL* 1.3 75.6 - - - +
307A ASP* 1.3 63.4 + - - +
308A VAL* 3.8 2.6 + - + +
321A LEU* 3.6 26.9 - - + -
327A LEU* 5.3 1.3 - - + -
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Residues in contact with ASP 307 (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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252A ARG* 3.7 29.2 + - - +
258A ARG* 3.6 12.2 - - - +
289A ILE* 3.5 6.6 - - - +
290A THR* 2.9 43.0 + - - +
291A ASP* 3.0 20.5 + - + +
293A ARG* 3.0 27.9 + - - -
305A VAL* 3.4 20.8 - - - +
306A ILE* 1.3 71.6 - - - +
308A VAL* 1.3 57.8 + - - +
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Residues in contact with VAL 308 (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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252A ARG* 2.6 25.1 + - - -
256A ARG* 4.1 2.9 - - - +
257A GLN* 3.5 20.7 + - + +
258A ARG* 4.5 4.0 - - - -
259A ILE* 4.2 21.1 - - + -
288A GLY 3.4 4.0 - - - +
289A ILE* 5.5 0.2 - - + -
290A THR* 3.9 1.1 - - - -
306A ILE* 4.0 11.9 - - + +
307A ASP* 1.3 76.8 - - - +
309A ARG* 1.3 73.1 + - - +
312A ALA* 3.7 16.8 - - + +
314A ALA* 4.2 16.4 - - + -
317A ILE* 3.5 33.9 - - + -
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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