Contacts of the helix formed by residues 322 - 326 (chain B) in PDB entry 2OOR
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 ASN 322 (chain B).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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11B PRO 5.4 1.2 + - - -
12B GLY 4.0 6.4 + - - +
13B GLU* 2.8 38.8 + - - +
15B ARG* 3.3 10.4 + - - -
75B GLN* 3.6 8.1 - - - +
296B GLU* 3.0 13.4 + - - +
320B HIS 4.2 0.4 + - - -
321B THR* 1.3 78.5 - - - +
323B VAL* 1.3 65.4 + - - +
324B PRO* 3.9 1.6 - - - +
325B SER* 3.1 31.6 + - - -
326B ARG* 3.6 6.1 + - - +
700B GOL 2.6 40.2 + - - +
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Residues in contact with VAL 323 (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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144B ALA* 3.7 22.9 - - + +
147B ARG* 3.5 29.4 - - + -
148B ALA 4.7 0.2 - - - +
151B ASP* 4.7 4.9 - - - +
293B LEU* 3.7 25.6 - - + +
320B HIS* 3.8 32.1 - - + +
321B THR 4.6 0.2 - - - -
322B ASN* 1.3 73.4 - - - +
324B PRO* 1.4 74.3 - - + +
326B ARG* 3.0 26.8 + - - +
327B VAL* 3.8 6.4 + - - +
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Residues in contact with PRO 324 (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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15B ARG* 3.9 12.6 - - - +
140B GLN* 3.6 53.4 - - + +
143B LEU* 5.3 1.1 - - + -
144B ALA* 4.2 11.0 - - + +
322B ASN* 3.4 7.6 - - - +
323B VAL* 1.4 93.0 - - + +
325B SER* 1.3 55.5 + - - +
327B VAL* 3.0 29.9 + - + +
328B ALA 3.5 0.2 + - - -
331B ALA* 3.5 10.1 - - + +
700B GOL 4.1 10.8 - - - +
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Residues in contact with SER 325 (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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157A ALA* 5.8 0.2 - - - +
12B GLY 3.2 10.2 + - - -
13B GLU* 3.8 7.6 - - - -
14B ASP* 2.8 37.6 + - - +
15B ARG* 4.0 10.7 - - - +
322B ASN* 3.1 36.7 + - - -
324B PRO* 1.3 73.5 - - - +
326B ARG* 1.3 58.4 - - - +
327B VAL 3.2 5.2 - - - -
328B ALA* 3.4 15.2 - - - +
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Residues in contact with ARG 326 (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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154A TYR* 3.3 25.1 + - - -
156A PHE 4.1 0.2 - - - +
157A ALA* 4.0 12.2 - - - +
147B ARG* 3.5 41.4 + - - +
151B ASP* 3.2 38.1 + - - -
320B HIS* 3.5 43.5 + - - +
321B THR 4.7 3.1 + - - +
322B ASN 4.0 7.0 - - - +
323B VAL* 3.0 28.0 + - - +
325B SER* 1.3 75.6 - - - +
327B VAL* 1.3 58.6 + - - +
328B ALA 3.6 0.7 - - - -
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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