Contacts of the helix formed by residues 601 - 607 (chain B) in PDB entry 2VF7
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 601 (chain B).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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594B ILE* 3.6 12.2 - - - +
600B SER* 1.3 74.4 + - - +
602B MET* 1.3 65.2 + - - +
603B ALA* 3.2 13.2 + - - +
604B THR* 3.2 31.1 + - - +
605B TYR* 3.2 24.9 + - - +
634B PHE* 3.7 17.1 - - - -
671B ARG* 3.2 35.2 - - - +
690B LEU* 4.8 1.7 - - - +
725B GLY* 3.6 18.6 - - - +
726B GLN 3.4 21.5 - - - +
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Residues in contact with MET 602 (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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594B ILE* 3.9 8.9 - - + +
601B ASN* 1.3 73.9 - - - +
603B ALA* 1.3 64.0 + - - +
605B TYR* 4.3 2.9 - - - -
606B THR* 3.1 26.7 + - + +
608B LEU* 5.5 0.7 - - + -
694B VAL* 3.7 24.9 - - + -
714B LEU* 4.1 30.1 - - + -
719B LEU* 4.8 3.1 - - - +
722B LEU* 3.8 23.1 - - + +
723B ARG 3.3 30.1 - - - +
724B LEU* 3.9 8.5 - - + +
726B GLN 4.6 2.0 + - - +
731B LEU* 5.5 1.9 - - + +
739B ILE* 4.2 34.1 - - + -
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Residues in contact with ALA 603 (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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601B ASN* 3.2 6.2 + - - +
602B MET* 1.3 76.6 - - - +
604B THR* 1.3 57.7 + - - +
606B THR* 3.1 15.8 + - - -
607B GLY 3.2 9.5 + - - -
608B LEU* 3.3 31.1 + - + -
609B PHE* 3.6 15.2 + - + -
690B LEU* 4.4 11.2 - - + -
724B LEU* 3.1 34.3 + - + +
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Residues in contact with THR 604 (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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599B ARG 4.3 5.6 - - - +
600B SER* 4.2 12.1 - - - +
601B ASN* 3.2 35.4 + - - +
603B ALA* 1.3 79.0 - - - +
605B TYR* 1.3 65.5 + - - +
606B THR 3.6 0.2 - - - -
607B GLY* 3.6 9.7 + - - -
609B PHE* 4.4 16.7 - - - +
634B PHE* 4.5 10.2 - - + -
635B ASN* 4.1 15.3 + - - +
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Residues in contact with TYR 605 (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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594B ILE* 3.7 37.9 - - + -
600B SER* 4.8 4.9 - - - -
601B ASN 3.2 19.9 + - - +
602B MET* 3.8 7.4 - - - +
603B ALA 3.3 0.4 - - - -
604B THR* 1.3 78.0 - - + +
606B THR* 1.3 64.5 + - - +
607B GLY* 4.5 0.2 - - - -
739B ILE* 3.8 17.0 - - + -
740B LYS* 3.3 40.4 - - + +
743B THR* 3.7 30.9 - - + +
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Residues in contact with THR 606 (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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602B MET 3.1 18.2 + - - +
603B ALA 3.1 6.6 + - - -
605B TYR* 1.3 74.0 - - - +
607B GLY* 1.3 61.3 + - - +
608B LEU* 3.4 20.5 + - - +
710B ALA* 5.2 10.8 - - + +
713B THR* 6.0 0.4 - - - +
714B LEU* 4.5 29.8 - - + -
739B ILE* 4.8 6.7 - - + -
742B ALA 6.0 0.4 - - - -
743B THR* 4.3 29.2 - - - +
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Residues in contact with GLY 607 (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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603B ALA 3.2 6.7 + - - -
604B THR* 3.9 10.3 - - - -
605B TYR 3.2 2.4 - - - -
606B THR* 1.3 79.5 + - - +
608B LEU* 1.3 58.0 + - - +
609B PHE* 3.0 11.9 + - - -
610B ASP* 3.1 31.7 + - - +
611B GLN* 3.7 5.7 + - - -
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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