Contacts of the strand formed by residues 215 - 217 (chain L) in PDB entry 3VD1
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 215 (chain L).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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177L ALA* 3.1 40.8 - - + +
178L MET* 4.6 0.9 - - - +
179L PRO* 3.7 29.8 - - + -
213L HIS* 4.5 6.4 + - - +
214L LEU* 1.3 90.2 - - + +
216L ARG* 1.3 60.5 + - - +
225L TYR* 3.9 9.0 - - - -
234L GLN 6.4 0.2 - - - -
235L SER* 5.4 1.7 - - - -
236L VAL* 3.5 26.6 + - + +
254L TYR* 3.9 17.7 - - + -
255L ASN 3.5 3.1 - - - +
256L PHE* 4.0 24.7 - - + -
273L ILE* 5.1 5.2 - - + -
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Residues in contact with ARG 216 (chain L).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
193L ARG* 3.3 28.1 - - - +
203L PHE* 3.4 20.2 + - - +
204L ASN* 3.9 17.5 - - - +
207L GLN* 4.3 24.5 + - - +
209L ALA* 4.2 16.4 + - + +
210L PRO 4.2 10.0 + - - +
211L ALA* 4.2 10.1 - - - +
213L HIS* 4.8 5.7 + - + +
215L ILE* 1.3 76.8 - - - +
217L VAL* 1.3 65.5 + - - +
218L GLU 3.9 0.7 - - - -
225L TYR* 3.6 15.3 - - + +
254L TYR* 3.4 12.2 - - - -
255L ASN* 3.0 41.7 + - - +
257L MET* 3.4 40.2 - - + +
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Residues in contact with VAL 217 (chain L).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
207L GLN* 5.0 7.1 + - - +
216L ARG* 1.3 77.2 - - - +
218L GLU* 1.3 62.9 + - - +
219L GLY 3.6 2.3 + - - -
220L ASN* 4.2 26.2 + - + +
223L SER* 4.1 16.8 + - - -
225L TYR* 3.3 10.0 + - - +
236L VAL* 3.0 41.3 - - + +
237L VAL 4.7 2.5 - - - +
238L VAL* 4.6 9.4 - - + -
252L ILE* 4.1 14.8 - - + -
253L LEU 3.4 12.6 - - - +
254L TYR* 3.9 10.5 - - + -
255L ASN* 4.4 0.9 - - - -
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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
------------------------------------------------------------
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