Contacts of the strand formed by residues 38 - 41 (chain A) in PDB entry 5KIY
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 38 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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32A ILE* 5.6 0.7 - - + -
33A ASN* 3.5 32.8 - - - +
35A ASP* 3.1 31.1 + - + +
36A ASN 3.5 0.4 - - - -
37A SER* 1.3 78.4 - - - +
39A VAL* 1.3 78.1 + - - +
40A SER* 5.2 2.5 - - - +
70A ILE* 3.3 7.4 - - + +
72A LEU* 3.3 42.4 - - + -
83A ARG 4.4 2.4 - - - +
84A MET* 4.7 4.0 - - - -
85A ASN* 4.9 2.1 + - - +
88A VAL* 4.7 5.9 - - - +
89B MET* 5.8 2.0 - - + -
93B LEU* 5.1 2.2 - - + -
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Residues in contact with VAL 39 (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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38A VAL* 1.3 82.7 - - - +
40A SER* 1.3 56.5 + - - +
41A LEU* 5.3 0.2 - - + -
57A VAL* 4.5 9.9 - - + -
59A LEU* 4.2 12.1 - - + -
69A CYS* 3.7 31.2 - - + -
70A ILE 2.8 14.3 + - - +
71A VAL* 3.3 13.1 - - + -
72A LEU* 2.8 30.5 + - - -
82A ILE* 4.3 21.8 - - + -
83A ARG 3.3 13.5 - - - +
84A MET* 4.1 14.6 - - + -
88A VAL* 4.5 3.4 - - + -
102A ILE* 5.3 0.7 - - + -
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Residues in contact with SER 40 (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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32A ILE* 3.5 17.3 - - - +
33A ASN* 5.1 1.0 + - - -
38A VAL* 5.1 2.3 - - - +
39A VAL* 1.3 73.9 - - - +
41A LEU* 1.3 63.5 + - - +
72A LEU 3.1 6.7 - - - -
74A ASP* 3.7 25.4 - - - -
77A CYS* 3.6 6.1 - - - -
82A ILE* 3.6 4.0 - - - -
83A ARG* 2.9 44.5 + - - +
93B LEU* 3.3 20.4 - - - +
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Residues in contact with LEU 41 (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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26A LEU* 3.8 16.2 - - + -
39A VAL* 5.3 0.4 - - + -
40A SER* 1.3 73.3 - - - +
42A SER* 1.3 70.2 + - - +
45A LYS* 4.1 20.9 - - + -
46A MET* 3.7 26.5 - - + +
49A LEU* 5.4 2.2 - - + -
51A LEU* 4.3 15.0 - - + -
71A VAL* 3.7 19.3 - - + -
72A LEU 2.8 6.7 + - - -
73A SER* 3.3 4.2 - - - -
74A ASP 2.8 25.0 + - - -
77A CYS* 3.9 10.1 - - - -
81A LYS 4.3 2.9 - - - +
82A ILE* 3.4 38.8 - - + -
102A ILE* 4.6 6.5 - - + -
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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