Contacts of the strand formed by residues 109 - 114 (chain A) in PDB entry 1K11
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 GLU 109 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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64A ARG* 4.7 11.7 + - + +
65A ILE 3.8 5.8 - - - +
66A LYS* 3.9 30.3 + - + -
107A GLU 5.4 0.7 - - - +
108A GLU* 1.3 77.5 - - - +
110A PHE* 1.3 63.2 + - - +
123A THR* 3.8 2.6 - - - -
124A SER* 2.9 38.0 + - - +
125A ASP* 4.3 16.8 + - - +
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Residues in contact with PHE 110 (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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64A ARG* 3.8 3.8 - - - -
65A ILE* 2.8 45.5 + - + +
67A TYR* 3.5 35.4 - + + -
107A GLU 5.2 1.1 - - - -
108A GLU* 3.1 53.8 - - + -
109A GLU* 1.3 73.5 - - - +
111A ILE* 1.3 61.4 + - - +
121A VAL* 3.9 18.6 - - + -
122A SER 3.2 22.2 - - - +
123A THR* 3.7 26.2 - - + -
124A SER* 3.0 10.7 + - - -
130A LEU* 4.0 26.0 - - + -
131A HIS* 6.1 0.7 - - - -
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Residues in contact with ILE 111 (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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62A GLU* 3.4 42.6 - - + +
63A PHE 3.6 3.1 - - - -
64A ARG* 3.8 27.1 - - - +
65A ILE* 4.5 0.9 - - - -
110A PHE* 1.3 72.3 - - - +
112A MET* 1.3 61.7 + - - +
113A GLY* 3.8 1.3 + - - -
121A VAL* 3.6 1.2 - - - -
122A SER* 2.8 47.6 + - - +
124A SER* 3.2 30.7 - - - +
127A TYR* 3.7 26.2 - - + +
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Residues in contact with MET 112 (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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61A ALA 3.2 4.3 - - - +
62A GLU* 3.3 4.2 - - - +
63A PHE* 2.8 40.1 + - + +
65A ILE* 3.6 16.2 - - + +
111A ILE* 1.3 74.0 - - - +
113A GLY* 1.3 59.7 + - - +
114A VAL* 3.6 25.1 - - + -
119A ILE* 3.8 18.6 - - + -
120A LYS 3.2 15.5 - - - +
121A VAL* 3.8 8.5 - - + +
155A LEU* 4.0 7.0 - - + -
157A LEU* 5.0 0.9 - - - -
172A TYR* 4.1 29.4 - - - -
179A GLN* 3.1 30.7 - - + +
183A ILE* 3.8 19.1 - - + -
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Residues in contact with GLY 113 (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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60A CYS* 4.6 13.2 - - - -
61A ALA 3.7 6.3 - - - -
62A GLU* 4.7 1.8 - - - -
111A ILE* 3.8 2.7 + - - +
112A MET* 1.3 72.4 - - - +
114A VAL* 1.3 61.1 + - - -
115A SER* 3.2 7.9 + - - -
118A GLY 3.5 2.9 - - - +
119A ILE* 3.7 1.0 - - - -
120A LYS* 2.8 42.8 + - - +
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Residues in contact with VAL 114 (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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58A ASP 4.7 4.2 + - - +
60A CYS* 3.5 1.2 + - - -
61A ALA* 2.8 44.5 + - + +
63A PHE* 4.0 14.1 - - + -
112A MET* 3.6 31.9 - - + +
113A GLY* 1.3 69.1 - - - -
115A SER* 1.3 59.2 + - - +
119A ILE* 3.9 11.0 - - + -
179A GLN* 5.5 0.4 - - + -
182A ALA* 4.0 11.4 - - + -
183A ILE* 3.6 27.6 - - + -
186A VAL* 3.9 23.6 - - + +
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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