Contacts of the strand formed by residues 29 - 38 (chain A) in PDB entry 2K23
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 29 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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28A GLN* 1.3 79.2 - - - +
30A ARG* 1.3 76.5 + - - -
31A TRP* 3.7 9.3 + - - -
54A THR 3.7 0.2 - - - +
55A ILE* 3.2 9.4 - - - -
56A TYR* 2.7 33.4 + - - -
57A GLU* 4.7 4.0 - - - -
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Residues in contact with ARG 30 (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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29A GLY* 1.3 83.5 - - - -
31A TRP* 1.3 68.2 + - - +
32A PHE* 4.2 4.6 + - + -
53A SER* 5.1 0.2 - - - -
55A ILE* 3.3 35.4 - - + -
57A GLU* 4.7 9.4 + - - -
139A GLY 4.2 0.3 - - - +
140A ARG* 4.0 17.3 - - - +
178A ASN* 2.9 52.6 + - + +
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Residues in contact with TRP 31 (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 ARG 4.1 15.0 - - - -
27A PHE* 4.5 0.9 - - - -
28A GLN 3.2 37.2 - - - -
29A GLY* 3.7 5.6 - - - -
30A ARG* 1.3 80.6 - - - +
32A PHE* 1.3 63.4 + - - +
52A TYR 3.9 0.2 - - - +
53A SER* 3.3 3.7 - - - -
54A THR* 2.9 36.9 + - - +
55A ILE* 4.7 0.4 - - - +
56A TYR* 3.3 41.5 - + - +
113A THR* 4.3 10.8 - - - -
114A ASP 3.2 26.9 + - - -
115A TYR* 4.8 9.6 - - - -
117A GLN 4.6 3.4 + - - -
119A ALA* 4.0 16.7 - - + +
138A TYR* 3.5 26.8 - - + -
139A GLY 3.4 22.7 - - - -
140A ARG* 4.2 11.0 - - + +
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Residues in contact with PHE 32 (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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30A ARG* 4.9 4.7 - - + -
31A TRP* 1.3 76.1 - - - +
33A VAL* 1.3 64.6 + - - +
34A VAL* 3.6 3.5 - - + +
51A MET* 4.7 2.5 - - + -
52A TYR 3.7 1.1 - - - -
53A SER* 3.0 21.3 - - - -
138A TYR* 3.0 7.6 - - - -
139A GLY 2.7 38.5 + - - +
140A ARG 4.9 2.0 - - - -
141A THR* 3.9 33.0 - - - +
142A LYS* 3.2 44.6 - - + -
176A ILE* 3.5 23.8 - - + -
177A ASP* 4.0 10.8 - - - -
178A ASN* 3.1 31.0 - - - -
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Residues in contact with VAL 33 (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 PHE* 1.3 69.4 - - - +
34A VAL* 1.3 59.9 + - - +
35A GLY 3.2 27.4 - - - +
36A LEU* 4.6 3.1 - - + -
49A PHE* 3.3 26.0 - - + -
51A MET* 3.1 25.4 - - + +
52A TYR* 3.1 52.7 + - + +
137A LEU 3.4 4.7 - - - +
138A TYR* 3.4 18.2 - - + -
169A SER* 3.1 14.1 - - - -
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Residues in contact with VAL 34 (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 PHE* 3.6 4.7 - - + +
33A VAL* 1.3 76.1 - - - +
35A GLY* 1.3 56.5 + - - +
51A MET* 4.8 5.2 - - + -
137A LEU* 2.6 23.7 + - + +
139A GLY* 3.6 31.4 - - - +
141A THR 4.4 7.9 - - - +
142A LYS* 6.0 1.6 - - - -
143A GLY 5.9 0.4 - - - +
144A LEU* 4.2 21.8 - - + +
149A LYS* 2.7 62.8 + - + +
169A SER* 3.0 11.8 + - - +
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Residues in contact with GLY 35 (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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33A VAL* 3.2 16.4 - - - +
34A VAL* 1.3 81.4 - - - +
36A LEU* 1.3 61.2 + - - +
136A THR* 3.9 1.0 - - - -
137A LEU* 2.8 25.6 + - - -
152A PHE* 3.4 20.4 - - - -
167A VAL 4.2 0.4 - - - -
168A PHE* 4.7 0.7 - - - -
169A SER* 3.7 13.6 - - - -
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Residues in contact with LEU 36 (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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33A VAL* 4.6 2.2 - - + -
35A GLY* 1.3 76.4 - - - +
37A ALA* 1.3 58.9 + - - +
41A VAL* 3.4 29.5 - - + +
49A PHE* 3.6 55.6 - - + -
52A TYR* 5.0 1.8 - - - +
134A LYS* 3.3 33.9 - - + -
135A VAL 3.7 2.7 - - - -
136A THR* 3.6 17.0 - - + -
138A TYR* 5.4 1.1 - - - +
152A PHE* 3.2 5.5 - - - -
165A ASN 4.4 0.2 - - - +
166A ILE* 3.2 2.3 - - - +
167A VAL* 2.7 45.9 + - + +
168A PHE* 4.9 0.2 - - - +
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Residues in contact with ALA 37 (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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36A LEU* 1.3 75.5 - - - +
38A GLY* 1.3 56.6 + - - +
41A VAL* 3.2 6.6 - - - +
134A LYS* 2.9 9.7 - - - +
135A VAL* 2.6 41.4 + - + +
152A PHE* 3.5 4.5 - - + -
156A ALA* 3.2 34.3 - - + -
161A LEU* 5.8 0.7 - - + -
165A ASN 3.5 5.8 - - - -
166A ILE* 3.3 16.6 - - + -
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Residues in contact with GLY 38 (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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37A ALA* 1.3 77.1 - - - +
39A ASN* 1.3 61.8 + - - -
40A ALA 3.1 2.5 - - - -
41A VAL* 2.8 17.8 + - - +
133A PHE 3.4 10.3 - - - -
134A LYS* 3.6 2.5 - - - -
161A LEU* 3.4 24.3 - - - +
165A ASN* 2.7 24.6 + - - +
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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