Contacts of the helix formed by residues 411 - 418 (chain A) in PDB entry 1G88
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 411 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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409A VAL* 3.8 14.6 + - - -
410A GLN* 1.3 75.5 - - - +
412A TYR* 1.3 62.4 + - - +
413A TYR 3.3 7.3 + - - -
414A LEU* 3.5 17.3 + - - -
415A ASP* 2.9 31.0 + - - +
425A ALA 5.4 0.4 + - - -
427A HIS* 3.6 6.6 + - - -
437A VAL* 2.6 30.1 + - - -
438A PHE* 5.7 0.3 - - - -
500A ILE 5.6 0.4 - - - -
501A LEU* 3.7 16.6 - - - +
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Residues in contact with TYR 412 (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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410A GLN* 5.4 10.5 - - + -
411A SER* 1.3 70.2 + - - +
413A TYR* 1.3 66.8 + - - +
415A ASP* 3.0 28.6 + - - +
416A ARG* 3.1 9.0 + - - +
422A PRO* 4.0 15.9 - - + -
423A GLY* 3.6 26.5 - - - -
442A GLN* 5.1 0.8 - - - +
494A ASP 5.3 1.4 + - - -
497A ARG* 2.9 54.5 - - + +
498A LEU* 3.8 33.4 - - + +
500A ILE 4.8 5.8 + - - -
501A LEU* 5.5 0.4 - - - +
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Residues in contact with TYR 413 (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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411A SER* 3.3 0.4 + - - -
412A TYR* 1.3 77.9 - - - +
414A LEU* 1.3 81.0 + - + +
416A ARG* 3.1 14.7 + - - +
417A GLU* 3.2 43.3 + - + +
436A LYS* 3.4 48.1 + - + +
437A VAL 3.2 23.3 - - - +
438A PHE* 4.0 10.6 - - + -
439A ASP* 3.7 31.6 - - + +
442A GLN* 3.8 27.8 - - - +
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Residues in contact with LEU 414 (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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291A HIS* 4.1 13.0 - - + +
409A VAL* 4.7 2.9 - - + -
411A SER* 3.5 17.4 + - - +
412A TYR 3.3 0.2 - - - -
413A TYR* 1.3 92.2 - - + +
415A ASP* 1.3 57.1 + - - +
417A GLU* 3.2 8.8 + - + +
418A ALA* 2.8 28.9 + - - +
427A HIS* 3.1 54.6 + - + +
429A ILE* 4.9 3.6 - - + -
435A ILE* 4.3 10.3 - - + -
436A LYS 3.2 26.2 - - - +
437A VAL* 4.1 18.4 - - + -
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Residues in contact with ASP 415 (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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410A GLN* 6.0 1.0 - - - +
411A SER 2.9 20.9 + - - +
412A TYR* 3.0 24.5 + - - +
414A LEU* 1.3 76.9 - - - +
416A ARG* 1.3 59.0 + - - +
418A ALA 3.5 0.9 + - - -
419A GLY 3.1 3.1 + - - -
420A ARG* 2.9 36.4 + - + +
421A ALA 4.7 1.3 - - - +
422A PRO* 4.3 10.8 - - + -
423A GLY* 3.0 32.6 + - - +
425A ALA* 3.3 19.1 - - - +
427A HIS* 3.0 21.9 - - - -
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Residues in contact with ARG 416 (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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412A TYR 3.1 8.3 + - - +
413A TYR 3.1 8.0 + - - +
415A ASP* 1.3 77.2 - - - +
417A GLU* 1.3 60.8 + - - +
419A GLY* 2.7 26.2 + - - -
420A ARG 4.9 2.2 - - - -
442A GLN* 3.4 40.8 - - - +
445A ARG* 4.6 9.7 - - - +
446A GLN* 5.5 7.5 + - - -
449A GLN* 6.0 1.4 - - - +
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Residues in contact with GLU 417 (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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413A TYR* 3.2 51.1 + - + +
414A LEU* 3.5 11.0 - - + +
416A ARG* 1.3 80.8 - - - +
418A ALA* 1.3 57.8 + - - +
419A GLY* 3.1 4.3 + - - -
442A GLN* 4.2 10.4 + - - -
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Residues in contact with ALA 418 (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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289A GLN* 3.4 40.4 - - + +
291A HIS* 6.1 0.7 - - + +
414A LEU 2.8 19.3 + - - +
415A ASP 4.1 0.7 - - - +
417A GLU* 1.3 73.0 - - - +
419A GLY* 1.3 64.4 + - - +
420A ARG* 3.2 14.8 + - + +
427A HIS* 4.2 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