Contacts of the strand formed by residues 431 - 435 (chain A) in PDB entry 1JXO
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 PHE 431 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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430A GLY* 1.3 79.8 - - - +
432A TYR* 1.3 71.2 + - - +
433A ILE* 3.7 26.7 - - + -
461A HIS* 3.7 4.4 - - - -
462A VAL* 2.8 68.2 + - + +
465A ALA* 4.0 15.9 - - + -
471A TRP* 4.0 22.2 - + - -
525A THR* 5.1 10.1 - - + -
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Residues in contact with TYR 432 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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430A GLY 5.5 1.1 - - - -
431A PHE* 1.3 82.9 - - - +
433A ILE* 1.3 69.0 + - - +
459A VAL* 4.2 2.2 - - + -
460A LEU 3.3 4.7 - - - +
461A HIS* 3.6 43.3 + + + -
476A VAL* 3.5 32.3 - - + -
525A THR* 3.5 6.2 - - - -
526A VAL* 3.2 31.8 + - + +
717A TRP* 3.5 40.2 - + + -
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Residues in contact with ILE 433 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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431A PHE* 3.7 23.8 - - + -
432A TYR* 1.3 80.3 - - - +
434A ARG* 1.3 59.2 + - - +
459A VAL* 3.3 3.5 - - - +
460A LEU* 2.7 45.1 + - + +
462A VAL* 3.6 20.9 - - + -
471A TRP* 4.0 9.9 - - + -
488A ILE* 3.9 15.9 - - + -
523A TYR* 3.7 39.7 - - + -
524A GLU 3.2 13.2 - - - +
525A THR* 4.3 9.6 - - + -
526A VAL* 4.0 5.4 - - - -
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Residues in contact with ARG 434 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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433A ILE* 1.3 74.5 - - - +
435A ALA* 1.3 64.7 + - - +
436A LEU* 3.5 18.9 + - - +
456A PHE* 4.0 4.2 - - - -
457A GLY* 3.4 35.9 - - - +
458A ASP 3.3 4.3 - - - +
459A VAL* 4.3 9.2 - - + +
523A TYR* 3.3 6.0 - - - -
524A GLU* 2.6 58.9 + - + -
526A VAL* 3.9 21.7 - - + +
686A GLU 3.3 17.8 + - - -
688A PHE 2.9 28.6 + - - -
689A SER* 3.6 19.8 + - - +
717A TRP* 5.7 5.6 - - - -
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Residues in contact with ALA 435 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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433A ILE 4.1 0.6 + - - -
434A ARG* 1.3 74.0 - - - +
436A LEU* 1.3 63.4 + - - +
437A PHE 3.4 7.4 - - - +
454A PHE* 3.5 39.5 - - + -
455A ARG 4.0 6.3 - - - +
457A GLY* 2.8 26.0 + - - -
458A ASP 2.9 15.8 + - - +
460A LEU* 4.4 4.4 - - + +
523A TYR* 3.8 14.3 - - + -
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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