Contacts of the helix formed by residues 24 - 30 (chain J) in PDB entry 5GAG
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 24 (chain J).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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11J LEU* 3.7 27.8 - - + -
13J VAL* 5.1 11.9 - - + -
18J ALA* 5.6 1.6 - - + -
19J ASN* 3.5 31.2 - - - +
20J PRO* 3.0 27.8 + - + +
22J PRO 3.7 0.4 - - - -
23J PRO* 1.3 79.4 - - + +
25J GLY* 1.3 81.3 + - - +
26J PRO* 3.3 2.5 - - - -
27J ALA* 3.4 3.1 + - - +
28J LEU* 3.3 35.8 + - + +
35J ILE* 4.9 0.9 - - + -
38J PHE* 4.1 8.7 - - + -
39J CYS* 4.8 4.9 - - - -
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Residues in contact with GLY 25 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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19J ASN* 5.2 0.9 - - - -
20J PRO 3.3 8.7 + - - -
21J SER* 5.0 1.3 - - - -
24J VAL* 1.3 81.0 - - - +
26J PRO* 1.4 66.0 - - - +
29J GLY* 2.9 30.8 + - - -
35J ILE* 3.2 24.0 - - - +
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Residues in contact with PRO 26 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1095A A 3.2 39.5 - - + +
21J SER* 2.9 35.7 - - - +
22J PRO* 4.6 2.7 - - + +
24J VAL 4.0 0.4 - - - -
25J GLY* 1.4 83.5 - - - +
27J ALA* 1.3 60.0 + - - +
30J GLN* 3.0 43.1 + - + +
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Residues in contact with ALA 27 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1070A A 4.1 12.3 - - - +
1096A A 3.5 34.5 + - + -
1097A U 4.3 9.4 - - - +
9J VAL* 4.1 8.3 - - - +
11J LEU* 5.0 10.5 - - + -
22J PRO 5.7 1.5 + - - +
23J PRO 4.2 14.8 - - - +
24J VAL 3.4 3.0 + - - +
26J PRO* 1.3 79.2 - - - +
28J LEU* 1.3 58.5 + - - +
30J GLN* 4.6 2.8 - - - +
31J GLN* 3.6 21.3 - - - +
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Residues in contact with LEU 28 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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9J VAL* 4.2 8.5 - - + +
11J LEU* 4.2 17.0 - - + -
24J VAL* 3.3 17.6 + - + +
27J ALA* 1.3 76.7 - - - +
29J GLY* 1.3 59.4 + - - +
30J GLN 3.6 1.3 - - - -
31J GLN* 3.9 7.1 + - - +
33J VAL* 3.2 43.6 + - + +
34J ASN 4.3 6.5 - - - +
35J ILE* 3.5 31.2 - - + -
38J PHE* 3.3 30.7 - - + -
59J ILE* 3.4 38.8 - - + -
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Residues in contact with GLY 29 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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25J GLY 2.9 21.8 + - - -
26J PRO* 4.0 0.4 - - - -
28J LEU* 1.3 75.5 - - - +
30J GLN* 1.3 58.6 + - - +
31J GLN 3.2 6.1 + - - -
32J GLY* 3.8 8.5 + - - -
33J VAL 3.9 11.0 + - - +
35J ILE* 3.7 12.8 - - - -
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Residues in contact with GLN 30 (chain J).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1095A A 3.2 26.9 - - - +
1096A A 3.9 4.5 + - - +
1097A U 3.1 29.5 + - - +
26J PRO* 3.0 27.6 + - + +
27J ALA* 4.6 2.2 - - - +
29J GLY* 1.3 75.5 - - - +
31J GLN* 1.3 72.1 + - + +
32J GLY 3.4 4.0 + - - -
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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