Contacts of the strand formed by residues 345 - 349 (chain A) in PDB entry 1R6U
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 GLY 345 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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342A ALA* 2.9 34.1 + - - +
343A LEU 3.1 0.4 - - - -
344A GLN* 1.3 81.4 - - - +
346A ALA* 1.3 58.7 + - - -
347A GLN* 3.0 23.3 + - - +
348A THR* 3.6 2.1 + - - +
377A PHE* 4.2 7.0 - - - -
398A VAL* 3.9 11.0 - - - -
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Residues in contact with ALA 346 (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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92A THR* 3.4 3.5 - - - +
95A ALA 3.2 22.9 + - - +
96A LYS 4.2 0.2 - - - -
97A GLY* 3.1 30.6 - - - +
98A ILE* 4.2 5.2 - - - +
341A PRO* 3.9 27.0 - - + +
345A GLY* 1.3 68.0 - - - -
347A GLN* 1.3 67.8 + - - +
348A THR 3.2 5.1 - - - +
377A PHE* 5.8 0.2 - - - -
396A VAL 5.6 1.4 + - - +
398A VAL* 4.5 2.2 - - - +
401A MSE 4.0 15.9 - - + -
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Residues in contact with GLN 347 (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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90A VAL* 3.5 3.8 - - - +
91A GLN* 3.6 1.6 + - - +
92A THR* 3.1 50.0 + - - +
93A SER* 5.2 2.4 - - - -
94A SER 3.0 7.1 + - - +
95A ALA* 2.8 43.4 + - - +
98A ILE* 5.1 0.7 - - - -
344A GLN 4.2 2.8 - - - +
345A GLY* 3.0 23.8 + - - +
346A ALA* 1.3 79.5 - - - +
348A THR* 1.3 70.2 + - + +
377A PHE* 6.3 0.4 - - - -
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Residues in contact with THR 348 (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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90A VAL* 3.4 15.0 - - - +
91A GLN* 3.3 26.7 - - - +
98A ILE* 5.5 1.3 - - - -
339A PHE* 5.8 0.4 - - - +
341A PRO* 3.8 4.5 - - - +
342A ALA* 3.1 39.3 + - - +
345A GLY 3.6 2.7 + - - +
346A ALA 3.2 3.9 - - - -
347A GLN* 1.3 89.4 - - + +
349A LYS* 1.3 63.7 + - - +
354A ASP* 4.3 13.0 + - - +
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Residues in contact with LYS 349 (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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86A ASP 5.1 0.7 - - - -
87A PRO 5.7 0.9 + - - -
88A TRP* 3.9 18.7 + - - +
89A THR* 4.4 8.1 - - - +
90A VAL* 3.3 37.6 - - + +
312A ASP* 4.4 13.2 - - - +
339A PHE* 3.9 31.0 - - + -
340A PHE 3.5 7.0 - - - -
342A ALA* 4.0 1.8 - - - +
348A THR* 1.3 84.7 + - - +
350A MSE 1.3 70.0 + - - +
351A SER* 3.0 23.4 + - - -
354A ASP* 4.7 0.3 - - - +
501A TYM 3.2 31.1 + - - +
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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