Contacts of the helix formed by residues 12 - 20 (chain D) in PDB entry 1TYE
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 SER 12 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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10D VAL 4.2 1.6 - - - +
11D SER* 1.3 82.5 + - - +
13D CYS* 1.3 62.8 + - - +
14D GLN* 3.8 5.4 + - - +
15D GLN* 2.8 40.2 + - - +
16D CYS* 3.3 13.3 + - - +
25D TRP* 2.9 25.2 - - - -
439D ALA* 6.0 4.0 - - - -
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Residues in contact with CYS 13 (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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12D SER* 1.3 74.2 - - - +
14D GLN* 1.3 61.7 + - - +
16D CYS* 3.4 3.3 + - - +
17D LEU* 3.3 27.5 + - - +
25D TRP* 3.3 48.7 - - + +
55D GLU* 3.9 7.9 - - - -
435D CYS* 2.0 47.1 - - + -
438D GLN 3.4 23.8 + - - +
439D ALA* 5.6 1.8 - - - +
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Residues in contact with GLN 14 (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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12D SER* 3.2 5.7 - - - +
13D CYS* 1.3 78.6 - - - +
15D GLN* 1.3 67.6 + - + +
17D LEU* 3.3 5.8 + - - +
18D ALA* 3.3 19.4 + - + +
433D CYS* 3.8 22.6 - - + +
434D ASP* 2.9 31.5 + - - +
435D CYS* 4.0 4.2 - - - +
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Residues in contact with GLN 15 (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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10D VAL* 2.8 52.9 + - + +
11D SER 3.2 10.9 + - - -
12D SER* 2.8 27.4 + - - +
14D GLN* 1.3 78.5 - - + +
16D CYS* 1.3 62.1 + - - +
18D ALA* 3.1 18.8 + - - +
19D VAL* 3.3 18.3 + - + +
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Residues in contact with CYS 16 (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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10D VAL 5.0 1.0 + - - -
12D SER 3.3 17.4 + - - +
13D CYS 3.4 7.4 - - - +
14D GLN 3.2 0.4 - - - -
15D GLN* 1.3 80.1 - - - +
17D LEU* 1.3 61.1 + - - +
19D VAL* 3.5 12.4 + - - +
23D CYS* 3.2 27.7 - - - +
24D ALA 3.6 26.0 - - - -
25D TRP* 3.5 12.8 - - + -
38D CYS* 2.0 50.0 - - + -
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Residues in contact with LEU 17 (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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13D CYS 3.3 10.8 - - - +
14D GLN 3.3 6.2 + - - +
15D GLN 3.2 0.2 - - - -
16D CYS* 1.3 77.4 - - - +
18D ALA* 1.3 58.9 + - - +
19D VAL 3.2 3.4 + - - -
20D SER 3.9 6.5 + - - +
23D CYS 3.8 11.0 - - - +
25D TRP* 4.6 6.3 - - + +
55D GLU 4.0 11.0 - - - +
57D PRO* 3.9 28.5 - - + -
93D ARG* 3.1 43.5 + - + +
94D PRO* 3.3 19.6 - - + +
432D ASP 5.0 2.0 - - - +
433D CYS 3.8 20.6 - - - +
434D ASP 4.2 4.3 - - - +
435D CYS* 3.4 26.7 - - - -
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Residues in contact with ALA 18 (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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14D GLN* 3.3 12.8 + - + +
15D GLN* 3.1 14.9 + - - +
17D LEU* 1.3 76.1 - - - +
19D VAL* 1.3 63.7 + - - +
20D SER 3.6 0.4 - - - -
94D PRO* 3.9 18.8 - - + +
95D ASP* 4.3 13.3 - - - +
406D CYS* 6.4 0.2 - - + -
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Residues in contact with VAL 19 (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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4D ILE* 3.5 42.8 - - + +
5D CYS* 5.3 0.7 - - - -
8D ARG* 4.4 13.3 + - - +
9D GLY* 5.0 15.5 - - - +
15D GLN 3.3 16.6 - - - +
16D CYS* 3.6 15.9 - - - +
17D LEU 3.2 0.8 - - - -
18D ALA* 1.3 80.0 - - - +
20D SER* 1.3 62.6 + - - +
23D CYS* 3.9 11.7 - - - -
38D CYS* 5.2 2.7 - - - -
95D ASP* 5.4 3.3 - - - +
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Residues in contact with SER 20 (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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4D ILE* 3.9 25.6 - - - -
17D LEU 4.2 3.4 - - - -
18D ALA 3.6 1.2 - - - -
19D VAL* 1.3 83.6 - - - +
21D PRO* 1.3 75.2 - - - +
22D MET* 2.9 35.9 + - - +
23D CYS* 3.0 15.2 + - - +
93D ARG* 3.2 12.2 + - - -
94D PRO 5.0 1.3 - - - -
95D ASP* 5.8 1.1 - - - -
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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