Contacts of the strand formed by residues 86 - 91 (chain D) in PDB entry 1SL0
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 VAL 86 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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70D TYR* 4.3 13.1 - - + -
79D LEU* 3.2 36.3 - - + -
80D LEU 4.5 1.6 - - - -
81D PHE* 3.8 16.3 - - + -
85D GLU* 1.3 78.8 - - - +
87D ALA* 1.3 64.2 + - - +
88D ALA* 3.6 12.8 - - - +
89D THR* 3.4 28.7 - - + -
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Residues in contact with ALA 87 (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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80D LEU* 2.7 29.6 + - + +
82D LYS* 3.7 24.9 - - + -
85D GLU 3.5 2.0 + - - -
86D VAL* 1.3 77.1 - - - +
88D ALA* 1.3 62.5 + - + +
106D ASN* 5.9 3.8 - - + -
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Residues in contact with ALA 88 (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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78D LEU 3.6 0.6 - - - +
79D LEU* 3.2 5.4 - - - -
80D LEU* 3.0 32.2 + - + -
86D VAL* 3.9 2.7 - - - +
87D ALA* 1.3 83.8 - - + +
89D THR* 1.3 66.8 + - - +
106D ASN* 4.3 27.8 - - - +
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Residues in contact with THR 89 (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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318C ARG 3.7 17.2 + - - +
319C GLU* 4.4 6.0 + - - +
77D THR* 5.4 3.4 - - - -
78D LEU 3.1 6.5 - - - -
79D LEU* 3.7 19.7 - - + -
86D VAL* 3.4 28.3 - - + -
88D ALA* 1.3 75.4 - - - +
90D LYS* 1.3 64.7 + - - +
91D VAL* 5.6 2.8 - - - +
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Residues in contact with LYS 90 (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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318C ARG 5.4 1.1 - - - +
319C GLU 3.8 8.7 - - - +
320C TYR* 5.9 0.4 - - - -
321C VAL* 5.2 11.4 - - + -
78D LEU* 2.8 46.0 + - + +
89D THR* 1.3 77.4 - - - +
91D VAL* 1.3 64.1 + - - +
92D GLY 3.9 0.2 + - - -
94D LEU* 4.2 21.8 - - + -
102D PHE* 5.8 4.3 - - + -
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Residues in contact with VAL 91 (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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319C GLU* 3.5 11.9 + - + +
320C TYR* 3.4 41.1 - - + +
321C VAL* 4.8 1.0 + - - +
324C ALA* 3.8 8.5 - - - +
326C TYR* 3.2 37.6 - - + +
74D GLY* 3.8 21.8 - - - +
75D ILE 3.8 1.6 - - - +
76D PRO 4.2 2.0 - - - -
77D THR* 3.8 20.9 - - + +
89D THR* 5.6 2.0 - - - +
90D LYS* 1.3 76.3 - - - +
92D GLY* 1.3 59.2 + - - +
94D LEU* 5.7 2.7 - - - -
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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