Contacts of the strand formed by residues 649 - 653 (chain D) in PDB entry 5Y7K
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 CYS 649 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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624D ILE 4.2 0.2 + - - -
625D ALA* 3.5 25.0 - - - -
626D ILE* 3.5 18.2 + - - +
640D LEU* 3.7 13.2 - - - +
647D PHE* 4.3 1.4 - - - +
648D LYS* 1.3 75.3 - - - +
650D GLY* 1.3 60.3 + - - +
699D GLU* 3.1 23.3 - - + +
758D PHE* 4.0 11.4 - - + -
759D ILE* 4.7 4.9 - - - -
762D CYS* 2.0 50.0 - - + -
763D PHE* 4.5 1.6 - - - -
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Residues in contact with GLY 650 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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625D ALA* 5.2 1.1 - - - -
626D ILE 3.0 14.8 - - - -
640D LEU* 3.5 19.1 - - - +
649D CYS* 1.3 78.7 - - - +
651D ILE* 1.3 65.2 + - - -
699D GLU 2.9 9.7 + - - +
700D TYR* 3.7 1.6 - - - -
701D LEU 3.0 24.1 + - - -
758D PHE* 3.6 4.6 - - - -
759D ILE* 6.1 0.7 - - - -
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Residues in contact with ILE 651 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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563D TRP* 4.6 3.8 - - + -
626D ILE 3.2 6.0 + - - +
627D TRP* 3.3 30.8 - - + -
628D GLY 3.3 7.8 + - - -
636D THR* 3.5 6.8 - - - +
650D GLY* 1.3 76.8 - - - -
652D ALA* 1.3 63.1 + - - +
653D VAL* 4.0 10.5 - - + -
700D TYR* 5.3 0.2 - - - -
701D LEU* 3.4 22.7 - - + +
703D ILE* 4.2 2.9 - - + -
755D MET* 3.8 48.9 - - + +
758D PHE* 3.5 30.3 - - + -
759D ILE* 3.8 22.2 - - + -
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Residues in contact with ALA 652 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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628D GLY 4.0 3.1 - - - -
633D GLY* 3.9 10.8 - - - +
636D THR* 4.8 2.0 - - + -
637D SER* 3.5 13.7 - - - +
651D ILE* 1.3 73.0 - - - +
653D VAL* 1.3 62.1 + - - +
654D ALA 4.0 0.2 - - - -
655D PRO* 4.0 8.5 - - + -
700D TYR* 3.3 33.2 - - + +
701D LEU 2.8 9.0 + - - +
702D LEU* 3.6 4.2 - - + +
703D ILE 2.9 28.1 + - - +
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Residues in contact with VAL 653 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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627D TRP* 4.2 10.3 - - + -
628D GLY 3.2 13.9 + - - +
629D TRP* 3.4 46.5 - - + +
630D SER 2.9 21.8 + - - -
633D GLY* 4.4 0.7 - - - -
651D ILE* 4.0 8.7 - - + -
652D ALA* 1.3 71.3 - - - +
654D ALA* 1.3 70.1 + - - +
655D PRO* 3.3 0.9 - - - +
703D ILE* 3.4 10.5 - - + -
742D ILE* 4.1 7.6 - - + -
751D ILE* 3.8 12.1 - - + -
755D MET* 3.9 28.9 - - - -
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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