Contacts of the strand formed by residues 85 - 90 (chain Z) in PDB entry 1SGF
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 VAL 85 (chain Z).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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63Z ASN* 5.6 1.6 - - - +
64Z TYR* 3.4 44.8 + - + +
66Z VAL* 3.9 20.2 - - + -
84Z PHE* 1.3 83.9 - - - +
86Z SER* 1.3 64.0 + - - +
87Z LYS 3.3 28.5 - - - +
106Z LEU* 4.1 18.8 - - + -
107Z ARG 3.3 10.1 - - - +
108Z LEU* 4.1 8.1 - - + -
109Z SER* 4.6 1.6 - - - -
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Residues in contact with SER 86 (chain Z).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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85Z VAL* 1.3 74.2 - - - +
87Z LYS* 1.3 74.9 + - - +
107Z ARG* 2.9 20.0 + - - -
108Z LEU 3.5 12.5 + - - -
109Z SER* 3.9 10.2 - - - +
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Residues in contact with LYS 87 (chain Z).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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51Z TRP* 6.1 0.2 - - + -
85Z VAL* 3.3 10.3 - - - +
86Z SER* 1.3 91.6 + - - +
88Z ALA* 1.3 62.3 + - - +
89Z ILE* 4.4 12.1 - - + -
106Z LEU* 3.6 0.5 - - - -
107Z ARG* 2.8 55.8 + - + +
246Z PRO* 2.7 42.7 + - + +
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Residues in contact with ALA 88 (chain Z).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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59Z TYR* 5.4 5.9 - - + -
64Z TYR* 3.6 35.2 - - + +
87Z LYS* 1.3 76.9 - - - +
89Z ILE* 1.3 68.2 + - - +
90Z PRO* 3.7 7.7 - - + +
104Z MET* 4.5 5.4 - - - -
105Z LEU 3.7 4.7 - - - -
106Z LEU* 3.8 8.1 - - + -
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Residues in contact with ILE 89 (chain Z).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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51Z TRP* 4.4 17.3 - - + -
87Z LYS* 4.4 16.4 - - + -
88Z ALA* 1.3 81.1 - - - +
90Z PRO* 1.3 66.8 - - + +
104Z MET* 3.9 2.0 - - - +
105Z LEU* 2.9 37.5 + - + +
237Z TRP* 3.4 24.4 - - + +
241Z THR* 4.1 20.0 - - + +
246Z PRO* 4.0 35.0 - - + -
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Residues in contact with PRO 90 (chain Z).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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56Z ALA* 4.6 7.2 - - + -
59Z TYR* 4.2 19.1 - - + -
88Z ALA 3.7 6.3 - - - +
89Z ILE* 1.3 93.8 - - + +
91Z HIS* 1.3 68.7 + - - +
92Z PRO* 3.3 9.2 - - - +
95Z MET* 4.1 22.2 - - - +
103Z LEU 3.6 9.6 - - - +
104Z MET* 3.5 26.5 - - + -
237Z TRP* 3.8 2.9 - - - -
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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