Contacts of the helix formed by residues 247 - 251 (chain C) in PDB entry 5U07
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 ALA 247 (chain C).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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74C LEU* 4.0 20.6 - - + +
78C ARG* 4.9 0.2 - - - +
246C LEU* 1.3 74.0 - - - +
248C PHE* 1.3 61.8 + - - +
249C TRP* 3.3 30.7 - - + +
250C GLU* 3.5 14.7 + - + +
251C GLN* 2.9 33.0 + - - +
268C ALA* 3.8 4.2 - - - +
273C LEU* 3.3 16.4 - - + +
274C ASP 4.2 1.1 - - - -
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Residues in contact with PHE 248 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
122C ARG* 3.5 14.7 + - - -
131C PRO 5.4 0.2 - - - -
133C LEU* 3.9 15.0 - - + -
134C GLN 3.5 33.9 - - - -
135C ASP* 5.3 6.7 - - + -
247C ALA* 1.3 73.1 - - - +
249C TRP* 1.3 62.1 + - + +
250C GLU 3.4 0.5 + - - -
251C GLN* 3.5 13.1 + - + +
254C LEU* 5.5 5.4 - - + -
255C ASN* 4.6 24.5 - - + -
273C LEU* 2.7 19.3 + - + +
274C ASP 3.6 17.6 + - - +
275C HIS* 4.1 8.7 - - + -
276C PHE* 3.3 47.6 - + + -
279C ALA* 6.4 0.9 - - + -
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Residues in contact with TRP 249 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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71C ILE* 4.9 13.1 - - + +
74C LEU* 3.5 18.8 - - + +
75C ILE* 3.4 39.5 - - + -
115C TYR* 3.9 17.5 - + - -
119C TYR* 4.9 3.6 - + - -
122C ARG* 2.4 39.8 + - + +
123C PHE* 3.0 41.7 - + - -
132C TRP* 4.8 11.9 - + + -
133C LEU* 3.5 42.4 - - + +
247C ALA* 3.4 21.8 - - + +
248C PHE* 1.3 79.1 - - - +
250C GLU* 1.3 62.2 + - + +
273C LEU* 4.8 12.1 - - + +
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Residues in contact with GLU 250 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
74C LEU* 5.7 1.6 - - - -
78C ARG* 2.8 38.0 + - - +
115C TYR* 2.3 37.5 + - - +
118C ASP* 5.1 0.4 - - - +
119C TYR* 2.6 60.8 + - + +
122C ARG* 4.2 1.1 - - - -
246C LEU* 3.6 15.8 - - + +
247C ALA* 3.0 24.1 + - + +
249C TRP* 1.3 87.2 - - + +
251C GLN* 1.3 63.2 + - - +
252C PRO* 3.3 4.7 - - - +
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Residues in contact with GLN 251 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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122C ARG* 2.3 34.3 + - - +
130C ARG* 4.3 0.3 + - - -
246C LEU* 3.2 37.7 + - - +
247C ALA 2.9 22.1 + - - +
248C PHE* 3.7 16.6 - - + +
249C TRP 3.5 0.2 - - - -
250C GLU* 1.3 75.7 - - - +
252C PRO* 1.3 68.9 - - - +
253C GLU* 2.9 43.0 + - - +
274C ASP 4.7 5.8 - - - +
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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