Contacts of the strand formed by residues 161 - 165 (chain D) in PDB entry 2F53
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 CYS 161 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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159D ASP 4.3 0.9 - - - +
160D LYS* 1.3 75.5 - - - +
162D VAL* 1.3 63.4 + - - +
172D SER 3.7 1.4 - - - +
173D ASN* 3.3 4.6 - - - -
174D SER* 2.8 31.4 + - - +
168E CYS* 2.1 59.7 - - - -
169E THR 3.8 15.7 - - - -
170E ASP* 4.8 3.4 - - - +
171E PRO* 5.3 4.0 - - + -
190E ARG* 3.8 22.4 - - - +
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Residues in contact with VAL 162 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
81D PRO* 4.7 13.7 - - + -
111D VAL 5.8 0.2 - - - +
113D PRO* 3.6 36.8 - - + -
160D LYS* 5.9 1.6 - - + -
161D CYS* 1.3 76.1 - - - +
163D LEU* 1.3 65.1 + - - +
164D ASP* 3.8 17.6 - - - +
171D LYS* 4.8 2.7 - - + -
172D SER 3.5 7.0 - - - +
173D ASN* 3.2 19.7 - - - +
167E VAL 4.5 0.9 - - - +
168E CYS* 3.1 13.9 - - - +
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Residues in contact with LEU 163 (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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161D CYS 4.1 0.2 + - - -
162D VAL* 1.3 74.6 - - - +
164D ASP* 1.3 67.0 + - - +
165D MET* 4.0 24.7 - - + -
171D LYS* 3.2 1.3 - - - +
172D SER* 3.0 56.2 + - - +
174D SER* 5.0 6.1 - - - +
139E THR* 5.3 1.6 - - + -
166E GLY* 3.4 20.0 - - - +
167E VAL 3.8 9.9 - - - +
168E CYS* 3.6 18.2 - - + -
190E ARG* 4.1 24.7 - - + +
192E ARG* 3.8 22.0 - - + -
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Residues in contact with ASP 164 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
81D PRO* 5.6 2.4 - - - +
162D VAL* 3.8 8.8 - - - +
163D LEU* 1.3 80.9 - - - +
165D MET* 1.3 61.4 + - - +
166D ARG* 3.3 29.7 + - + +
170D PHE 3.6 4.0 - - - +
171D LYS* 3.3 38.2 + - - +
165E SER* 3.5 4.0 + - - -
166E GLY 2.8 26.0 + - - +
167E VAL 4.8 2.2 + - - -
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Residues in contact with MET 165 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
163D LEU* 4.0 13.7 - - + -
164D ASP* 1.3 72.7 - - - +
166D ARG* 1.3 63.5 + - - +
167D SER* 3.4 4.7 - - - +
168D MET* 3.1 41.8 + - + -
169D ASP 3.1 9.9 + - - -
170D PHE* 2.6 39.6 + - + +
137E LYS* 3.9 10.1 - - + -
165E SER* 4.0 4.9 - - - -
166E GLY* 4.2 9.4 - - - +
192E ARG* 3.7 37.5 - - - +
193E VAL* 4.0 21.1 - - - +
194E SER 4.2 2.2 - - - +
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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