Contacts of the strand formed by residues 155 - 159 (chain D) in PDB entry 1GPM
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 ILE 155 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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117D ASN* 4.1 18.2 - - + +
118D ASP 3.9 21.1 - - - +
150D ILE* 3.9 4.3 - - - -
153D ASP 4.8 4.3 - - - +
154D PHE* 1.3 79.2 - - - +
156D THR* 1.3 62.7 + - - +
157D VAL* 3.9 16.4 - - + -
168D MET* 3.4 4.3 - - - +
169D ALA* 2.9 35.1 + - + +
170D ASN* 6.1 0.4 - - - -
171D GLU* 4.8 14.6 - - + +
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Residues in contact with THR 156 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
116D VAL* 3.6 9.6 - - + +
117D ASN* 2.9 31.6 + - - +
150D ILE* 4.0 6.5 - - - +
155D ILE* 1.3 73.1 - - - +
157D VAL* 1.3 61.7 + - - +
158D ALA 3.6 8.1 - - - +
159D SER* 3.2 26.7 - - - +
164D PRO 3.3 13.5 - - - +
165D PHE* 3.3 27.1 - - + -
167D ILE 3.8 5.4 - - - +
168D MET* 4.6 0.4 - - - +
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Residues in contact with VAL 157 (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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115D VAL* 3.4 3.2 - - + -
116D VAL* 2.8 25.6 + - - -
117D ASN* 3.3 15.9 + - - +
119D SER* 3.8 14.6 - - - -
122D VAL* 3.7 29.4 - - + -
155D ILE* 3.9 17.3 - - + +
156D THR* 1.3 77.5 - - - +
158D ALA* 1.3 61.1 + - + +
167D ILE* 2.8 32.6 + - + +
169D ALA* 3.7 31.0 - - + +
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Residues in contact with ALA 158 (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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113D VAL* 3.9 14.1 - - + -
114D GLU 2.9 20.2 - - - +
115D VAL* 4.1 5.6 - - + -
116D VAL* 4.3 2.0 - - - +
156D THR* 3.6 5.6 - - - +
157D VAL* 1.3 79.7 - - - +
159D SER* 1.3 67.6 + - - +
166D ALA* 3.2 21.6 + - - -
167D ILE* 3.4 34.2 + - + +
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Residues in contact with SER 159 (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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112D GLN 4.5 0.2 - - - +
113D VAL* 3.4 5.0 - - - -
114D GLU* 2.8 35.7 + - - +
116D VAL* 4.7 10.2 - - - +
156D THR* 3.2 10.7 - - - +
158D ALA* 1.3 77.4 + - - +
160D THR* 1.3 61.9 + - - +
163D CYS 3.6 6.5 - - - -
164D PRO* 2.7 29.6 + - - +
166D ALA* 4.0 2.0 - - - -
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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