Contacts of the strand formed by residues 201 - 204 (chain R) in PDB entry 5IYB
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 LEU 201 (chain R).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
52Q LEU 3.7 8.5 - - - +
53Q LYS* 3.5 31.0 - - + +
164R GLY 5.6 1.8 - - - +
165R GLY 3.4 15.5 - - - +
166R ILE* 4.1 21.1 - - + -
190R LEU 3.7 0.2 - - - +
191R PHE* 3.5 4.7 - - - -
192R VAL* 3.1 41.2 + - + +
194R ARG* 2.9 41.3 - - + -
195R PRO* 5.3 4.3 - - + -
199R LYS* 6.1 0.9 - - + -
200R ILE* 1.3 80.3 - - - +
202R PHE* 1.3 65.2 + - - +
203R PHE* 3.9 16.6 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with PHE 202 (chain R).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155R LEU* 5.0 14.2 - - + +
161R ARG 5.4 0.9 - - - +
164R GLY* 3.8 1.6 - - - -
165R GLY* 3.3 32.9 + - - +
166R ILE 5.6 1.1 - - - -
167R LEU* 4.5 12.3 - - + -
170R ASP* 5.5 2.9 - - + -
177R ASN* 3.2 34.8 - - - -
180R LYS* 6.4 2.0 - - - -
181R ALA* 3.7 26.2 - - + -
184R ALA* 5.8 2.9 - - + -
185R LEU* 6.1 2.0 - - + -
189R ILE* 3.6 23.3 - - + -
190R LEU 3.4 3.8 - - - -
191R PHE* 3.7 17.9 - - + -
200R ILE* 3.6 22.0 - - + -
201R LEU* 1.3 79.4 - - - +
203R PHE* 1.3 73.9 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with PHE 203 (chain R).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
28Q ILE* 5.5 6.3 - - + -
29Q GLU* 6.0 0.9 - - + -
32Q LEU* 3.4 40.4 - - + -
51Q LEU 6.0 0.2 - - - -
52Q LEU* 3.9 12.1 - - - -
54Q PHE* 4.0 9.9 - + - -
161R ARG 5.3 3.1 - - - -
163R LEU 3.4 26.2 - - - -
164R GLY* 3.7 9.6 - - - -
189R ILE* 3.3 8.8 - - - +
190R LEU* 2.8 37.7 + - + +
192R VAL* 3.6 36.1 - - + -
201R LEU* 3.9 27.8 - - + -
202R PHE* 1.3 87.8 - - - +
204R ASN* 1.3 66.9 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with ASN 204 (chain R).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155R LEU* 3.0 23.7 + - - +
156R ASP 3.9 2.6 + - - -
161R ARG* 3.3 59.5 + - + +
188R GLN* 2.8 43.3 + - - +
189R ILE* 3.3 13.6 - - - +
190R LEU* 5.2 0.2 - - - -
203R PHE* 1.3 75.9 - - - +
205R ASP* 1.3 62.2 + - - +
206R LYS* 4.0 10.8 + - - +
----------------------------------------------------------
Back to top of page
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) + - + + + + + -
------------------------------------------------------------
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