Contacts of the helix formed by residues 288 - 291 (chain M) in PDB entry 5GJQ
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 LEU 288 (chain M).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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224M LEU* 5.0 4.9 - - + -
285M ILE* 4.1 17.3 + - + -
286M ASP 3.6 1.5 + - - -
287M GLU* 1.3 73.5 - - - +
289M ASP* 1.3 47.2 - - - +
291M ILE* 2.6 42.7 + - + +
292M GLY* 2.1 33.8 + - - -
313M LEU* 4.4 10.1 - - + -
330M ALA* 4.6 18.6 - - + -
331M ALA 3.3 1.6 + - - -
332M THR* 3.0 20.7 - - + +
338M LEU* 4.2 15.5 - - + -
342M LEU* 3.1 43.5 - - + -
348M LEU* 5.1 5.8 - - + -
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Residues in contact with ASP 289 (chain M).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
284H ARG* 3.6 26.3 + - - +
297H ARG* 5.3 0.5 - - - +
300H LEU* 3.2 27.0 - - + +
287M GLU* 2.9 28.1 - - - +
288M LEU* 1.3 67.8 + - - +
290M ALA* 1.3 69.9 + - - +
292M GLY* 2.8 28.1 + - - +
293M THR* 3.3 6.0 + - - +
332M THR* 3.4 16.0 - - - +
333M ASN 5.6 1.1 - - - -
334M ARG* 5.4 5.6 - - + +
337M ILE* 5.4 8.3 - - + -
338M LEU* 4.1 9.8 - - + +
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Residues in contact with ALA 290 (chain M).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
297H ARG* 3.4 27.8 + - + +
300H LEU* 4.1 6.1 - - + +
253M GLY* 3.0 33.2 - - - +
254M PRO* 3.2 17.0 - - + -
287M GLU* 3.1 16.1 + - + +
288M LEU 3.0 0.2 - - - -
289M ASP* 1.3 88.1 + - - +
291M ILE* 1.3 58.2 + - - +
293M THR* 4.6 0.5 + - - -
306M VAL* 3.3 17.9 - - - +
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Residues in contact with ILE 291 (chain M).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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253M GLY* 2.9 31.0 - - - +
256M LEU* 3.1 41.1 - - + -
257M VAL* 3.9 9.9 - - + -
285M ILE* 4.5 4.9 - - + -
288M LEU* 2.6 36.0 + - + +
290M ALA* 1.3 75.7 - - - +
292M GLY* 1.3 59.8 + - - +
293M THR 3.7 2.8 + - - +
306M VAL* 3.6 27.9 - - + +
309M THR* 4.6 12.8 - - - +
310M MET* 3.7 17.6 - - - +
313M LEU* 4.1 18.2 - - + -
342M LEU* 5.0 0.6 - - + +
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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