Contacts of the strand formed by residues 313 - 316 (chain B) in PDB entry 2BP1
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 ALA 313 (chain B).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39B VAL* 4.2 0.9 - - - -
40B ALA* 3.3 23.1 - - + +
42B VAL* 3.8 20.6 - - + -
71B GLU* 5.6 0.2 - - - +
223B PHE 2.9 8.3 + - - +
224B TYR* 3.3 26.5 - - + -
225B ALA 2.9 23.1 + - - -
306B LEU* 3.8 10.0 - - - +
311B GLY 3.8 0.2 + - - -
312B ASP* 1.3 76.4 - - - +
314B VAL* 1.3 62.6 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with VAL 314 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
39B VAL* 4.2 2.7 - - + -
40B ALA 2.9 6.3 + - - -
41B SER* 3.4 4.2 - - - -
42B VAL* 2.8 24.1 + - - +
225B ALA 4.0 4.0 - - - +
228B PRO* 3.9 26.9 - - + -
297B LEU* 4.7 2.0 - - + -
300B MET* 3.7 24.7 - - + -
301B TYR* 3.4 35.2 - - + +
306B LEU* 3.6 24.7 - - + -
313B ALA* 1.3 73.0 - - - +
315B ILE* 1.3 64.2 + - - +
316B LEU* 3.6 15.1 + - + -
----------------------------------------------------------
Back to top of page
Residues in contact with ILE 315 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
42B VAL* 3.4 17.0 - - + +
43B LEU 4.1 2.0 - - - -
44B GLY* 3.6 18.6 - - - +
73B ASP* 4.2 12.3 - - + +
198B GLN* 3.4 45.8 - - + +
224B TYR* 3.7 22.7 - - + +
225B ALA 2.8 22.7 + - - +
226B TYR* 4.4 0.2 - - + -
228B PRO* 3.3 23.4 - - - +
314B VAL* 1.3 73.9 - - - +
316B LEU* 1.3 63.8 + - - +
1361B NDP 3.4 30.5 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 316 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
41B SER* 4.4 10.1 - - - -
42B VAL 2.8 14.3 + - - +
43B LEU* 4.3 4.1 - - + +
44B GLY* 2.9 30.3 + - - +
64B PHE* 5.1 4.0 - - + -
228B PRO* 4.6 1.8 - - + -
297B LEU* 3.9 27.4 - - + -
301B TYR* 3.5 21.5 - - - +
314B VAL* 4.0 5.8 - - + +
315B ILE* 1.3 72.6 - - - +
317B GLY* 1.3 61.8 + - - +
318B MET* 5.2 0.7 - - - -
324B LEU* 4.5 17.0 - - + -
327B ASN* 4.6 10.1 - - + +
328B LEU* 4.0 31.0 - - + +
331B THR* 4.1 17.5 - - + -
1361B NDP 3.8 1.2 - - - +
----------------------------------------------------------
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