Contacts of the helix formed by residues 222 - 243 (chain A) in PDB entry 4OWX
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 THR 222 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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220A HIS 3.6 2.2 - - - -
221A GLY* 1.3 81.7 - - - +
223A ALA* 1.3 64.9 + - - +
224A GLN* 3.5 11.1 + - - +
225A LEU* 3.0 34.9 + - + +
226A GLN* 3.1 27.2 + - - +
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Residues in contact with ALA 223 (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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222A THR* 1.3 71.9 - - - +
224A GLN* 1.3 62.4 + - - +
226A GLN* 3.3 8.8 + - - +
227A ALA* 3.0 25.9 + - - +
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Residues in contact with GLN 224 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
178A ALA* 5.7 4.3 + - - +
181A ILE* 3.8 39.0 - - + +
182A TRP* 5.6 1.2 - - - +
185A GLU* 5.1 9.3 + - - +
222A THR* 3.2 10.0 + - - +
223A ALA* 1.3 79.1 - - - +
225A LEU* 1.3 60.7 + - - +
227A ALA* 3.5 5.8 + - - +
228A LEU* 3.2 22.3 + - + +
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Residues in contact with LEU 225 (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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176A VAL* 4.1 24.9 - - + -
181A ILE* 3.5 41.3 - - + -
219A HIS* 3.4 27.8 - - + +
220A HIS* 3.4 37.9 - - - +
221A GLY* 4.8 0.2 - - - -
222A THR* 3.0 32.2 + - + +
224A GLN* 1.3 75.3 - - + +
226A GLN* 1.3 61.3 + - - +
228A LEU* 3.3 6.2 + - + +
229A ARG* 2.8 24.9 + - - +
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Residues in contact with GLN 226 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
219A HIS 4.1 2.6 - - - +
220A HIS* 3.7 26.0 - - - +
221A GLY* 3.7 7.7 - - - +
222A THR 3.1 17.8 + - - +
223A ALA* 3.7 8.3 - - - +
225A LEU* 1.3 76.4 - - - +
227A ALA* 1.3 61.5 + - - +
229A ARG* 3.2 33.1 + - - +
230A GLN* 3.0 23.4 + - - +
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Residues in contact with ALA 227 (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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185A GLU* 5.8 0.2 - - - -
223A ALA 3.0 17.6 + - - +
224A GLN* 3.9 6.1 - - - +
226A GLN* 1.3 76.2 - - - +
228A LEU* 1.3 62.0 + - - +
230A GLN* 3.5 6.4 + - - +
231A LYS* 3.4 28.2 + - + +
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Residues in contact with LEU 228 (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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181A ILE* 4.0 27.1 - - + +
184A ALA* 4.2 8.3 - - + -
185A GLU* 3.9 40.8 + - + +
188A LEU* 4.0 9.2 - - + -
219A HIS* 3.5 31.6 - - + +
224A GLN* 3.2 11.9 + - + +
225A LEU* 3.6 7.2 - - + +
226A GLN 3.3 0.2 - - - -
227A ALA* 1.3 77.6 - - - +
229A ARG* 1.3 65.2 + - - +
231A LYS* 3.2 8.8 + - + +
232A GLU* 2.9 46.3 + - + +
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Residues in contact with ARG 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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216A ILE* 3.6 38.5 + - + +
219A HIS* 3.2 24.9 - - + +
220A HIS* 3.9 19.4 - - - +
225A LEU 2.8 10.3 + - - +
226A GLN* 3.2 30.2 + - - +
228A LEU* 1.3 76.2 - - - +
230A GLN* 1.3 59.1 + - - +
232A GLU* 3.1 10.5 + - - +
233A VAL* 2.8 37.2 + - + +
264A ILE* 3.9 27.7 - - - +
265A PRO* 6.1 0.8 - - - +
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Residues in contact with GLN 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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226A GLN 3.0 12.4 + - - +
227A ALA* 3.8 10.5 - - - +
228A LEU 3.2 0.2 - - - -
229A ARG* 1.3 76.6 - - - +
231A LYS* 1.3 63.8 + - + +
233A VAL* 3.2 8.8 + - - +
234A ASP* 3.0 55.5 + - - +
264A ILE* 6.2 0.2 - - - +
266A GLU* 2.9 32.7 + - - +
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Residues in contact with LYS 231 (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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185A GLU* 2.7 32.0 + - - +
188A LEU* 3.9 15.2 - - + +
189A ASP* 3.1 30.0 + - - -
192A THR* 5.4 3.7 - - + +
227A ALA* 3.4 16.8 + - + +
228A LEU* 3.2 9.1 + - - +
230A GLN* 1.3 77.9 - - + +
232A GLU* 1.3 62.2 + - - +
234A ASP* 4.0 7.2 - - - +
235A PHE* 3.1 25.3 + - - +
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Residues in contact with GLU 232 (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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184A ALA* 4.3 0.9 - - - +
188A LEU* 3.5 21.8 - - + -
212A TYR* 3.2 33.0 - - + -
215A LEU* 4.2 0.5 - - - +
216A ILE* 3.7 23.2 - - + +
219A HIS* 2.5 44.5 + - - +
228A LEU* 2.9 22.9 + - + +
229A ARG* 3.1 17.4 + - - +
231A LYS* 1.3 73.2 - - - +
233A VAL* 1.3 64.6 + - - +
235A PHE* 3.8 3.7 - - - +
236A CYS* 3.1 29.6 + - - -
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Residues in contact with VAL 233 (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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216A ILE* 4.0 12.3 - - + -
229A ARG* 2.8 27.6 + - + +
230A GLN* 3.5 12.8 - - - +
232A GLU* 1.3 70.4 - - - +
234A ASP* 1.3 67.9 + - - +
236A CYS* 3.2 2.8 + - - +
237A ILE* 2.9 27.4 + - - +
264A ILE* 4.1 21.5 - - + -
266A GLU* 3.6 45.5 - - + +
267A PHE* 4.0 23.8 - - + -
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Residues in contact with ASP 234 (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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230A GLN* 3.0 46.1 + - - +
231A LYS* 4.0 6.0 - - - +
233A VAL* 1.3 74.7 - - - +
235A PHE* 1.3 63.2 + - - +
237A ILE* 3.8 5.5 - - - +
238A SER* 3.1 25.3 + - - -
266A GLU* 4.1 10.6 - - - +
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Residues in contact with PHE 235 (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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188A LEU* 3.6 22.4 - - + -
191A LEU* 3.9 36.6 - - + -
192A THR* 3.4 24.9 - - + -
195A ARG* 5.2 10.3 - - + -
198A VAL* 5.3 4.3 - - + -
208A ALA* 4.0 25.1 - - + -
209A VAL 5.0 0.2 - - - -
212A TYR* 4.3 11.4 - + + -
231A LYS 3.1 19.0 + - - +
232A GLU 3.8 2.9 - - - +
233A VAL 3.2 0.2 - - - -
234A ASP* 1.3 76.7 - - - +
236A CYS* 1.3 72.7 + - - +
238A SER* 3.0 23.1 + - - -
239A LEU* 3.3 40.7 + - + +
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Residues in contact with CYS 236 (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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209A VAL* 4.1 17.6 - - + +
212A TYR* 3.6 28.3 - - - -
213A LEU* 3.7 37.0 - - + -
216A ILE* 4.3 2.5 - - - -
232A GLU 3.1 22.9 + - - +
233A VAL 3.8 2.5 - - - +
235A PHE* 1.3 79.5 - - - +
237A ILE* 1.3 66.6 + - - +
239A LEU* 3.4 2.1 + - - +
240A LEU* 3.0 31.4 + - + +
267A PHE* 4.3 5.2 - - + -
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Residues in contact with ILE 237 (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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233A VAL* 2.9 24.4 + - + +
234A ASP* 3.8 5.6 - - - +
236A CYS* 1.3 77.5 - - - +
238A SER* 1.3 58.2 + - - +
240A LEU* 3.4 2.4 + - - +
241A ARG* 3.0 51.9 + - + +
266A GLU* 3.8 39.3 - - + +
267A PHE* 3.6 33.0 - - + -
270A LEU* 4.1 15.9 - - + -
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Residues in contact with SER 238 (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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195A ARG* 3.1 38.6 + - - -
234A ASP 3.1 13.5 + - - -
235A PHE* 3.0 19.1 + - - -
237A ILE* 1.3 77.6 - - - +
239A LEU* 1.3 57.6 + - - +
241A ARG* 4.2 3.8 - - - +
242A GLU* 3.0 24.6 + - - +
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Residues in contact with LEU 239 (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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195A ARG* 3.8 21.1 - - + +
198A VAL* 4.8 8.7 - - + -
199A LEU* 3.7 30.7 - - + -
205A ILE* 4.5 19.5 - - + +
208A ALA* 4.8 2.5 - - + -
209A VAL* 3.8 24.2 - - + -
235A PHE* 3.3 48.9 + - + +
236A CYS 4.0 2.5 - - - +
237A ILE 3.3 0.2 - - - -
238A SER* 1.3 81.6 + - - +
240A LEU* 1.3 58.0 + - - +
243A ARG* 2.6 39.0 + - + +
247A CYS* 4.4 2.0 - - - -
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Residues in contact with LEU 240 (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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209A VAL* 4.1 14.4 - - + -
213A LEU* 4.3 7.4 - - + -
236A CYS 3.0 26.2 + - - +
237A ILE* 3.7 4.5 - - - +
239A LEU* 1.3 76.8 - - - +
241A ARG* 1.3 56.5 + - - +
244A PHE* 3.1 54.2 + - + +
247A CYS* 3.7 30.5 - - + -
254A LEU* 4.6 10.8 - - + -
258A LEU* 4.3 10.8 - - + -
267A PHE* 4.2 14.8 - - + -
270A LEU* 3.7 31.4 - - + -
281A LEU* 4.7 0.8 - - - +
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Residues in contact with ARG 241 (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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237A ILE* 3.0 38.3 + - + +
238A SER* 4.2 2.9 - - - +
240A LEU* 1.3 78.3 - - - +
242A GLU* 1.3 63.2 + - - +
244A PHE 4.4 0.5 + - - -
266A GLU 4.9 1.2 + - - -
269A LEU* 3.7 20.0 - - - +
270A LEU* 3.5 40.0 - - + +
273A ASP* 2.8 29.5 + - - -
280A ALA* 5.2 3.7 - - - +
281A LEU* 3.8 40.3 - - + +
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Residues in contact with GLU 242 (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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195A ARG* 3.0 31.1 + - - +
199A LEU* 3.6 19.5 - - - +
238A SER 3.0 17.3 + - - +
241A ARG* 1.3 77.9 - - - +
243A ARG* 1.3 82.7 + - + +
244A PHE 3.8 0.8 + - - -
281A LEU 5.9 0.2 - - - -
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Residues in contact with ARG 243 (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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199A LEU* 2.9 68.2 + - + +
205A ILE* 4.0 13.4 - - + +
239A LEU* 2.6 21.4 + - + +
242A GLU* 1.3 94.0 + - + +
244A PHE* 1.3 64.3 + - - +
245A MET 3.4 2.7 - - - -
246A GLU* 3.2 41.4 + - + +
247A CYS* 3.2 21.7 + - - -
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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
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
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