Contacts of the strand formed by residues 105 - 109 (chain A) in PDB entry 3VZC
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 LEU 105 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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75A LEU* 3.4 27.8 - - + +
77A VAL* 5.1 0.4 - - + -
84A MET* 4.1 17.7 - - - -
87A VAL* 4.5 6.1 - - + -
88A VAL* 3.7 29.8 - - + -
91A LEU* 4.0 24.2 - - + -
101A ILE* 5.1 0.7 - - + +
103A LYS 3.2 20.6 - - - +
104A PRO* 1.3 78.1 - - - +
106A CYS* 1.3 61.2 + - - +
359A PHE* 3.7 22.2 - - + -
360A TRP 2.9 11.2 + - - +
361A MET* 3.1 15.4 - - + +
362A VAL* 3.0 26.0 + - - +
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Residues in contact with CYS 106 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
74A ALA* 5.5 1.6 - - + -
75A LEU 3.0 6.2 + - - -
76A VAL* 3.7 26.5 - - + -
77A VAL* 2.7 36.9 + - - +
84A MET* 3.8 3.6 - - - -
105A LEU* 1.3 75.5 - - - +
107A SER* 1.3 61.0 + - - +
108A LEU* 3.9 26.7 - - - -
138A CYS 4.7 1.6 - - - -
142A LEU* 3.9 22.9 - - + -
361A MET* 5.4 0.4 - - - -
362A VAL* 3.5 25.8 - - + +
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Residues in contact with SER 107 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
77A VAL 3.7 4.8 + - - -
80A GLY 5.0 8.0 + - - -
81A ASP* 5.4 0.9 + - - -
84A MET* 3.6 19.5 - - - +
106A CYS* 1.3 74.2 - - - +
108A LEU* 1.3 64.7 + - - +
109A PRO* 3.9 2.3 - - - +
116A LEU* 4.3 16.5 - - - +
117A ALA* 4.0 22.7 + - - +
120A LEU* 4.6 18.4 - - - +
138A CYS* 3.8 18.0 - - - +
361A MET* 5.0 1.0 - - - -
362A VAL* 5.7 0.4 - - - +
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Residues in contact with LEU 108 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
34A PHE* 5.2 1.1 - - + -
38A VAL* 3.7 38.4 - - + -
76A VAL* 4.1 20.6 - - + -
77A VAL 2.9 14.7 + - - +
78A MET* 3.3 33.3 - - + +
79A SER 3.3 6.1 + - - +
106A CYS* 3.9 16.1 + - - -
107A SER* 1.3 77.4 + - - +
109A PRO* 1.3 69.4 - - + +
135A LEU* 4.0 7.2 - - + +
138A CYS* 3.7 12.6 - - + +
139A THR* 3.7 33.7 - - - +
142A LEU* 4.8 5.4 - - + -
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Residues in contact with PRO 109 (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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33A LEU* 5.7 0.2 - - - +
78A MET* 5.2 0.2 - - - -
79A SER 3.7 0.9 - - - +
107A SER* 3.9 3.3 - - - +
108A LEU* 1.3 84.0 - - + +
110A ALA* 1.3 60.4 + - - +
114A ASN* 3.5 33.4 - - + +
117A ALA* 3.8 9.4 - - + -
131A ASN 5.0 2.6 - - - +
134A LEU* 3.7 20.2 - - + -
135A LEU* 3.5 50.4 - - + +
138A CYS* 3.8 19.5 - - + -
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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