Contacts of the strand formed by residues 308 - 311 (chain B) in PDB entry 4M6P
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 308 (chain B).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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266B VAL* 4.2 7.6 - - + -
274B VAL* 3.5 11.7 - - + +
276B VAL* 3.9 25.1 - - + -
291B TRP* 3.7 33.4 - - + -
299B ILE* 3.6 35.0 - - + -
302B ARG* 3.7 10.7 - - - +
306B ALA 3.7 0.8 + - - -
307B PRO* 1.3 73.1 - - - +
309B ILE* 1.3 72.1 + - - +
310B ILE* 3.8 18.8 - - + -
347B TYR 2.9 10.8 + - - +
348B LEU* 3.4 14.0 - - + +
349B ARG 2.8 25.5 + - - +
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Residues in contact with ILE 309 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
242B VAL* 4.7 0.4 - - + -
273B PRO* 4.1 20.6 - - + -
274B VAL 2.9 17.8 + - - +
275B SER* 3.1 9.5 + - - +
276B VAL 3.0 24.9 + - - -
307B PRO* 4.1 15.0 - - + +
308B LEU* 1.3 79.9 - - - +
310B ILE* 1.3 59.3 + - - +
349B ARG* 3.2 13.9 - - + +
350B VAL 3.8 7.2 - - - +
351B ILE* 3.7 37.5 - - + +
379B ALA* 6.0 0.7 - - + -
601B 20R 3.7 41.3 - - + +
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Residues in contact with ILE 310 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
276B VAL 3.9 4.0 - - - -
278B SER* 3.8 16.8 - - - +
283B ILE* 4.7 1.1 - - + -
287B CYS* 4.0 19.1 - - - -
291B TRP* 3.5 30.7 - - + +
308B LEU* 3.8 20.4 - - + -
309B ILE* 1.3 71.2 - - - +
311B ARG* 1.3 64.8 + - - +
312B PRO* 4.6 5.4 - - + -
324B VAL* 4.8 5.4 - - + -
328B LEU* 3.7 33.9 - - + -
348B LEU* 3.9 13.5 - - + -
349B ARG 2.8 10.9 + - - +
350B VAL* 3.3 12.0 - - + +
351B ILE 3.0 21.7 + - - -
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Residues in contact with ARG 311 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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18A TYR* 4.2 3.8 + - - -
193B PHE* 4.4 13.1 - - - -
244B ALA* 5.8 0.2 - - - +
245B ALA 3.5 18.2 + - - -
246B GLU* 4.3 4.0 - - - +
247B HIS* 5.1 3.8 + - - +
275B SER* 4.0 9.1 + - - +
276B VAL 3.1 9.5 + - - +
277B VAL* 3.3 39.3 - - - +
278B SER 3.0 24.3 + - - -
279B ASP 4.5 0.2 + - - -
283B ILE* 4.7 0.2 - - - -
309B ILE 3.6 0.4 + - - -
310B ILE* 1.3 74.5 - - - +
312B PRO* 1.3 77.4 - - - +
313B ASP* 3.5 28.5 + - - -
351B ILE* 3.5 27.6 - - + +
353B GLY 4.6 5.6 + - - +
601B 20R 3.4 41.2 + - - -
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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