Contacts of the strand formed by residues 572 - 575 (chain D) in PDB entry 3A8P
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 572 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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571D SER* 1.3 80.0 - - - +
573D VAL* 1.3 64.5 + - - +
574D GLN* 4.0 26.6 - - + +
587D CYS 3.7 1.2 - - - +
588D LEU* 3.4 2.9 - - - +
589D SER* 3.0 40.7 + - - +
614D HIS* 3.9 3.6 - - - -
687D MET* 3.9 19.1 - - + +
690D PHE* 4.3 18.6 - - + -
691D ARG* 3.8 36.3 - - + -
694D CYS* 4.5 4.9 - - - -
695D TYR* 5.5 0.2 - - + -
730D VAL* 4.4 6.3 - - + -
731D SER* 5.5 0.6 + - - +
734D HIS* 3.7 27.4 - - + +
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Residues in contact with VAL 573 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
571D SER* 5.1 0.2 - - - -
572D ILE* 1.3 81.2 - - - +
574D GLN* 1.3 76.9 + - - +
586D PHE* 3.7 26.7 - - + -
587D CYS 3.3 5.6 - - - +
588D LEU* 4.2 8.3 - - + -
610D VAL* 3.6 31.0 - - + +
613D ILE* 3.6 37.9 - - + -
614D HIS* 2.9 33.5 + - + +
704D LEU* 4.1 5.0 - - - +
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Residues in contact with GLN 574 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
706C ASN* 5.5 1.4 - - - +
708C LYS* 4.2 14.0 - - - +
572D ILE* 4.0 13.0 - - + +
573D VAL* 1.3 92.8 - - - +
575D SER* 1.3 65.6 + - - +
576D VAL* 5.6 0.7 - - + -
586D PHE* 3.3 3.6 - - - -
587D CYS* 2.6 43.8 + - + +
610D VAL* 5.5 0.9 - - - -
690D PHE* 3.5 36.2 - - - -
694D CYS* 4.1 2.9 - - - -
704D LEU* 4.1 15.7 - - - +
705D PRO 4.9 0.8 + - - -
707D PRO* 3.8 21.8 - - - +
730D VAL* 4.1 14.9 - - + +
731D SER* 4.3 13.2 - - - +
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Residues in contact with SER 575 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
708C LYS* 2.8 44.9 + - - +
574D GLN* 1.3 76.5 - - - +
576D VAL* 1.3 60.1 + - - +
577D PRO* 3.3 14.3 - - - +
585D VAL 3.7 5.2 - - - -
586D PHE* 4.1 4.7 - - - +
603D GLN* 5.8 2.9 - - - -
606D LEU* 4.1 27.1 - - - -
610D VAL* 5.4 2.4 - - - +
704D LEU* 6.1 1.2 - - - +
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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
------------------------------------------------------------
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