Contacts of the strand formed by residues 116 - 119 (chain C) in PDB entry 3P1M
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 HIS 116 (chain C).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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74C ARG* 5.9 0.2 + - - -
103C PHE* 3.7 5.2 - - - -
113C SER 3.3 16.6 + - - +
114C THR 3.2 3.9 - - - +
115C CYS* 1.3 78.8 - - - +
117C LEU* 1.3 84.3 + - - +
118C ILE* 4.5 2.7 - - + +
138C LEU* 4.6 2.5 - - + -
141C ALA* 3.6 23.5 - - + +
142C TYR 3.7 13.2 + - - -
143C GLY 3.4 27.6 - - - -
144C LEU* 4.1 0.9 - - - -
148C SER* 2.7 36.8 + - - -
149C ARG 3.6 8.5 - - - -
150C LEU* 4.1 4.9 - - + +
167C VAL* 4.6 0.3 - - - +
168C PRO* 3.4 35.5 - - + +
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Residues in contact with LEU 117 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
71C PHE* 4.1 12.3 - - + -
89C LEU* 4.1 32.1 - - + -
103C PHE* 3.9 20.9 - - + -
115C CYS 3.8 4.3 - - - +
116C HIS* 1.3 85.2 - - - +
118C ILE* 1.3 63.1 + - - +
119C PHE* 3.6 14.5 - - + -
148C SER* 3.4 4.5 - - - -
149C ARG 2.8 32.3 + - - +
151C GLY* 4.1 7.9 - - - +
165C VAL* 4.4 14.4 - - + -
166C ARG 3.3 25.4 - - - +
167C VAL* 3.8 18.6 - - + -
168C PRO* 4.3 0.7 - - - -
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Residues in contact with ILE 118 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
116C HIS* 4.5 0.7 - - - +
117C LEU* 1.3 77.8 - - - +
119C PHE* 1.3 65.8 + - - +
145C THR* 3.6 27.1 - - + +
147C ARG* 3.5 17.9 - - + +
148C SER* 4.3 7.6 - - - +
165C VAL* 3.2 7.1 - - - +
166C ARG* 2.9 74.2 + - + +
168C PRO* 4.2 20.6 - - + -
182F LYS 3.8 27.6 - - - +
183F THR* 3.6 3.3 - - + +
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Residues in contact with PHE 119 (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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89C LEU* 3.5 33.4 - - + -
117C LEU* 3.6 27.6 - - + -
118C ILE* 1.3 77.5 - - - +
120C GLU* 1.3 69.8 + - - +
121C ASP 3.8 0.7 + - - -
123C ILE* 4.4 13.5 - - + -
124C TYR* 4.3 14.6 - + + +
127C LEU* 4.2 14.6 - - + -
147C ARG* 3.0 40.3 + - - +
149C ARG* 3.7 23.3 - - + -
151C GLY* 4.8 2.2 - - - -
154C ILE* 3.9 25.1 - - + -
163C MET* 4.5 4.7 - - + -
164C THR 5.6 0.2 - - - -
165C VAL* 3.6 17.7 - - + -
181F GLY 5.7 0.2 - - - -
182F LYS 5.5 0.3 + - - -
183F THR* 3.8 9.1 + - - +
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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