Contacts of the strand formed by residues 67 - 70 (chain G) in PDB entry 4GTU
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 HIS 67 (chain G).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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62G LEU 2.9 1.8 - - - +
63G ILE* 2.9 6.6 - - - +
64G ASP* 2.6 55.2 + - + -
65G GLY 3.5 0.2 - - - -
66G ALA* 1.3 90.2 - - + +
68G LYS* 1.3 61.7 + - - +
69G ILE* 3.6 16.6 - - + -
78G TYR* 4.0 7.6 - + - -
90H GLU* 5.0 11.4 - - + +
91H GLU* 5.5 8.0 - - + +
94H ILE* 3.4 28.8 - - + +
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Residues in contact with LYS 68 (chain G).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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52G LEU 3.4 28.0 - - - +
53G GLY* 4.2 13.0 - - - +
54G LEU* 3.8 19.3 - - + +
55G ASP* 3.7 18.6 + - - +
62G LEU 3.0 6.3 - - - -
63G ILE* 3.7 28.0 - - + +
65G GLY 3.7 21.2 + - - -
66G ALA* 4.2 8.8 + - - +
67G HIS* 1.3 75.3 - - - +
69G ILE* 1.3 62.3 + - - +
70G THR* 3.5 6.6 + - - -
94H ILE* 6.2 0.9 - - - -
98H ILE* 4.6 1.4 - - - +
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Residues in contact with ILE 69 (chain G).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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61G TYR* 3.2 9.5 - - - +
62G LEU* 2.7 50.6 + - + +
64G ASP* 4.7 0.2 - - + -
67G HIS* 3.6 27.4 - - + +
68G LYS* 1.3 70.3 - - - +
70G THR* 1.4 69.2 + - - +
74G ALA* 3.7 9.2 - - + +
75G ILE* 3.6 40.3 - - + +
78G TYR* 3.7 37.2 - - + -
94H ILE* 4.2 17.0 - - + -
97H ASP* 5.8 1.1 - - + -
98H ILE* 4.5 10.3 - - + -
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Residues in contact with THR 70 (chain G).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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54G LEU* 4.6 7.3 - - + +
55G ASP* 4.3 8.1 + - - -
56G PHE* 3.0 41.4 + - + +
58G ASN* 4.4 14.4 - - + +
60G PRO 4.5 6.1 - - - +
61G TYR* 4.9 2.0 - - + +
68G LYS 3.5 8.0 + - - -
69G ILE* 1.4 79.9 - - - +
71G GLN* 1.3 77.0 + - - +
74G ALA* 3.2 12.8 - - - +
98H ILE* 3.7 25.1 - - - +
102H GLN* 3.7 16.2 - - - +
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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