Contacts of the strand formed by residues 182 - 185 (chain D) in PDB entry 1N33
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 LYS 182 (chain D).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
110D PHE* 4.0 6.9 - - - -
145D GLU* 3.7 33.2 + - + +
146D ILE 3.8 2.9 - - - -
147D ALA* 4.0 15.7 - - + +
162D LEU* 5.7 0.3 - - - +
176D LEU* 3.9 5.9 - - - +
177D ASP* 3.5 41.7 + - + +
180D GLY* 3.0 6.7 + - - +
181D MET* 1.3 82.7 - - - +
183D GLY* 1.3 75.1 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with GLY 183 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
108D LEU* 3.8 11.7 - - - -
145D GLU* 3.8 13.7 - - - +
146D ILE 3.5 17.6 + - - -
175D SER 3.9 1.1 - - - -
176D LEU* 3.8 15.5 - - - -
177D ASP 4.6 0.2 - - - +
182D LYS* 1.3 87.5 - - - +
184D LYS* 1.3 69.1 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LYS 184 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
104D VAL* 6.0 0.7 - - - -
108D LEU* 3.9 7.6 - - - +
143D GLY* 4.0 29.1 - - - -
144D ASP 3.6 14.6 - - - +
145D GLU* 4.5 14.1 - - + +
146D ILE* 4.4 3.7 - - - +
174D LEU* 3.0 19.2 - - - +
175D SER* 3.3 31.5 + - - +
176D LEU* 5.7 0.2 - - - -
183D GLY* 1.3 78.4 - - - +
185D PHE* 1.3 67.8 + - - +
186D LEU* 3.6 18.4 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with PHE 185 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
98D GLU 4.7 1.6 - - - -
99D SER* 4.1 17.3 - - - -
104D VAL* 4.4 13.0 - - + -
140D VAL* 3.6 36.8 - - + -
141D ARG 2.7 29.2 - - - +
142D PRO* 3.4 16.8 - - + -
143D GLY* 2.8 32.6 + - - -
144D ASP 3.2 10.0 + - - +
146D ILE* 4.5 2.8 - - + +
173D TRP* 4.0 18.4 - + - -
174D LEU* 3.6 15.9 - - + -
184D LYS* 1.3 72.5 + - - +
186D LEU* 1.3 61.2 + - - +
187D ARG 3.8 13.9 - - - -
188D LEU* 3.5 32.8 - - + -
189D PRO* 4.4 3.1 - - + -
----------------------------------------------------------
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