Contacts of the helix formed by residues 111 - 116 (chain D) in PDB entry 5Y1Z
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 HIS 111 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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355C ARG* 3.1 44.9 + - - +
91D CYS* 3.3 9.4 - - + +
94D CYS* 3.1 10.5 - - - -
96D ARG* 3.4 12.3 + - + -
97D GLU 2.7 30.1 + - - -
98D GLY* 4.0 0.4 - - - -
99D GLN 3.3 22.2 - - - -
100D VAL* 3.8 6.3 - - + +
110D TYR* 1.3 75.6 - - - +
112D ALA* 1.3 66.7 + - - +
113D LYS 4.4 1.6 - - - +
114D CYS* 2.9 27.3 + - + +
115D LEU* 3.5 3.6 + - - +
502D ZN 2.1 35.3 - - - -
506D GOL 3.9 2.9 - - - +
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Residues in contact with ALA 112 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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99D GLN 4.7 4.0 + - - -
101D LEU* 3.9 33.0 - - + +
110D TYR 3.3 4.2 + - - -
111D HIS* 1.3 69.6 - - - +
113D LYS* 1.3 58.6 + - - +
115D LEU* 3.0 21.5 + - - +
117D LEU* 3.4 28.9 + - + +
119D SER 5.1 8.7 - - - +
120D GLU* 5.5 2.9 - - + -
506D GOL 5.8 0.8 + - - -
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Residues in contact with LYS 113 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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272C GLU* 6.1 0.7 - - - +
352C ASN* 5.9 3.4 - - - +
355C ARG* 5.5 6.7 - - - +
111D HIS* 3.3 4.1 - - + +
112D ALA* 1.3 76.9 - - - +
114D CYS* 1.3 61.2 + - - +
115D LEU 3.3 0.2 - - - -
116D ARG* 3.4 12.6 + - - +
117D LEU 4.6 7.9 - - - +
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Residues in contact with CYS 114 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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355C ARG* 4.6 12.1 - - - -
91D CYS* 3.9 6.5 - - - -
93D VAL* 4.3 23.5 - - + +
94D CYS* 3.9 10.3 - - - -
110D TYR* 5.7 0.2 - - + -
111D HIS* 2.9 19.8 + - + +
113D LYS* 1.3 79.4 - - - +
115D LEU* 1.3 60.4 + - + +
116D ARG 3.3 1.5 + - - -
502D ZN 2.3 36.6 - - - -
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Residues in contact with LEU 115 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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93D VAL* 4.6 5.2 - - + -
101D LEU* 4.8 2.9 - - + -
110D TYR* 3.6 39.5 - - + -
111D HIS 3.5 4.7 + - - +
112D ALA 3.0 9.1 + - - +
114D CYS* 1.3 80.1 - - - +
116D ARG* 1.3 70.8 + - - +
117D LEU* 3.2 22.8 + - + +
125D TRP* 3.5 33.0 - - + -
128D PRO* 3.7 21.5 - - + -
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Residues in contact with ARG 116 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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113D LYS* 3.4 12.5 + - - +
114D CYS 3.3 4.9 + - - -
115D LEU* 1.3 80.2 - - - +
117D LEU* 1.3 63.7 + - - +
118D THR* 4.0 4.3 + - - +
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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