Contacts of the strand formed by residues 86 - 90 (chain A) in PDB entry 1BHT
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 ALA 86 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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42A PHE* 5.2 0.2 - - - -
74A CYS* 4.8 2.2 - - - -
84A CYS* 3.6 8.2 - - - -
85A LYS* 1.3 81.4 - - - +
87A PHE* 1.3 65.5 + - - +
99A PHE* 2.9 34.8 + - + +
101A PHE 3.3 17.7 - - - +
102A ASN* 4.1 4.7 - - + -
118A LEU* 4.4 4.9 - - + -
119A TYR 3.2 15.0 - - - +
120A GLU* 4.1 15.9 - - + +
121A ASN 4.3 0.9 - - - +
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Residues in contact with PHE 87 (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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39A ILE* 4.7 0.4 - - + -
42A PHE* 3.9 19.5 - + - -
67A ALA 3.8 17.3 - - - -
70A CYS* 3.3 28.9 - - + -
71A ALA* 3.6 23.6 - - + -
74A CYS* 4.1 10.5 - - + -
86A ALA* 1.3 76.4 - - - +
88A VAL* 1.3 71.0 + - - +
89A PHE* 4.4 5.2 - - + -
97A LEU 3.1 14.8 - - - +
98A TRP* 3.7 17.0 - + + -
99A PHE* 4.2 2.2 - - - -
118A LEU* 3.8 2.6 - - - +
119A TYR* 2.9 81.7 + + + +
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Residues in contact with VAL 88 (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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49A THR* 3.7 33.9 - - - +
50A LEU 4.2 0.4 - - - +
87A PHE* 1.3 80.2 - - - +
89A PHE* 1.3 65.1 + - - +
90A ASP 3.9 0.7 - - - +
95A GLN 3.7 0.9 - - - +
96A CYS* 3.5 4.5 - - - -
97A LEU* 3.0 40.8 + - + +
99A PHE* 3.6 26.7 - - + -
116A PHE* 3.7 27.1 - - + -
117A ASP 3.3 11.7 - - - +
118A LEU* 3.9 16.6 - - + -
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Residues in contact with PHE 89 (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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64A VAL* 3.9 17.0 - - + -
65A ASN 3.8 18.2 - - - -
66A THR* 4.0 3.8 - - - -
67A ALA* 3.6 35.0 - - + -
70A CYS* 3.7 14.1 - - - -
87A PHE* 4.2 8.8 - - + -
88A VAL* 1.3 75.1 - - - +
90A ASP* 1.3 58.7 + - - +
91A LYS* 3.5 40.4 + - + +
94A LYS* 3.7 34.1 - - + -
95A GLN 3.5 14.1 - - - -
115A GLU 3.5 2.1 - - - +
116A PHE* 3.5 0.9 - - - -
117A ASP* 3.0 34.0 + - + +
119A TYR* 4.5 4.7 - - + -
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Residues in contact with ASP 90 (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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88A VAL* 3.9 1.8 - - - +
89A PHE* 1.3 71.5 - - - +
91A LYS* 1.3 57.9 + - - +
92A ALA* 3.0 22.0 + - - +
93A ARG* 3.3 41.3 + - - +
94A LYS* 2.7 31.2 + - - -
95A GLN* 2.9 25.1 + - + +
97A LEU* 4.4 7.5 - - + +
115A GLU* 3.6 10.8 - - - +
116A PHE* 3.7 28.4 - - + -
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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