Contacts of the strand formed by residues 431 - 436 (chain A) in PDB entry 1DY7
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 431 (chain A).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
366A LEU* 4.0 26.7 - - + -
380A GLU* 4.2 15.3 + - + +
381A ASP 3.3 24.0 - - - +
382A THR* 4.1 24.9 - - + +
415A ALA* 4.3 6.3 - - + -
416A LEU 3.3 9.0 - - - +
417A ILE* 4.1 18.2 - - + -
430A LYS* 1.3 72.9 - - - +
432A LEU* 1.3 61.2 + - - +
433A ASP 3.8 16.2 - - - +
434A SER* 5.2 2.9 - - - -
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 432 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
400A PHE* 3.5 57.4 - - + +
403A VAL* 3.9 8.5 - - + -
416A LEU* 2.8 11.3 + - + +
417A ILE 4.3 0.4 - - - -
418A GLY* 3.6 27.8 - - - +
427A ASN* 3.8 34.3 - - + +
430A LYS* 3.4 24.9 - - + +
431A ILE* 1.3 73.9 - - - +
433A ASP* 1.3 64.5 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with ASP 433 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
397A HIS* 5.1 2.1 + - - -
400A PHE* 4.0 13.0 - - + -
414A VAL 4.4 0.9 - - - -
415A ALA* 3.4 2.9 - - - -
416A LEU* 3.0 39.0 + - + +
431A ILE* 3.5 7.9 - - - +
432A LEU* 1.3 82.1 - - - +
434A SER* 1.3 75.6 + - - +
435A PHE* 3.8 19.2 - - + -
480A GLY* 4.1 19.0 + - - -
482A GLY* 4.8 11.4 + - - +
483A SER 4.6 12.3 - - - +
485A PRO* 5.0 3.1 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with SER 434 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
382A THR 4.4 14.8 + - - -
383A GLY* 5.4 4.2 - - - -
413A SER* 3.7 21.0 + - - -
414A VAL 3.1 9.1 + - - -
415A ALA* 4.7 2.3 - - - +
431A ILE* 5.2 2.7 - - - -
433A ASP* 1.3 84.2 + - - +
435A PHE* 1.3 65.3 + - - +
484A ASP* 4.2 6.1 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with PHE 435 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
413A SER* 3.4 4.0 - - - -
414A VAL* 2.8 55.0 + - + +
416A LEU* 4.1 28.9 - - + -
433A ASP* 3.8 15.7 - - - +
434A SER* 1.3 79.8 + - - +
436A PRO* 1.3 74.9 - - + +
454A LEU* 4.8 1.6 - - + -
473A PHE* 3.6 41.7 - + - -
478A MET* 4.2 18.2 - - + -
483A SER 5.0 0.2 - - - +
484A ASP* 3.9 5.2 - - + +
485A PRO* 3.4 37.0 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with PRO 436 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
412A ASP* 3.4 31.2 - - - +
435A PHE* 1.3 92.0 - - + +
437A ALA* 1.3 64.1 + - - +
473A PHE* 3.4 18.2 - - - -
484A ASP* 3.5 30.5 - - + +
485A PRO 4.8 2.1 - - - +
487A PHE* 3.7 11.0 - - + -
----------------------------------------------------------
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