Contacts of the strand formed by residues 124 - 128 (chain I) in PDB entry 5KZ5
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 ASP 124 (chain I).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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123I TYR* 1.4 73.7 - - - +
125I VAL* 1.4 82.1 + - - +
126I SER* 4.2 6.2 + - - -
127I PHE* 3.9 11.4 - - - -
135I LYS* 2.8 35.3 + - - +
83S ASN* 3.3 31.8 + - + +
84S TYR* 2.8 38.4 + - - +
85S TYR* 3.8 11.8 + - - +
95S TYR* 4.4 2.0 - - - +
96S GLY* 5.8 1.3 - - - -
99S SER* 5.2 5.6 + - - +
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Residues in contact with VAL 125 (chain I).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
124I ASP* 1.4 88.2 + - - +
126I SER* 1.4 59.9 + - - +
127I PHE* 3.5 18.1 - - + -
132I LEU* 3.9 23.1 - - + -
133I THR 3.9 3.1 - - - -
134I VAL* 3.8 17.5 - - + -
135I LYS* 6.4 0.2 - - - -
91S ARG 5.0 1.1 - - - +
92S THR* 3.4 31.4 - - + +
95S TYR* 3.6 31.6 - - + -
96S GLY* 3.8 23.7 - - - +
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Residues in contact with SER 126 (chain I).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
124I ASP* 4.3 5.8 - - - -
125I VAL* 1.4 74.5 - - - +
127I PHE* 1.4 52.1 + - - +
128I GLY 3.7 2.0 - - - -
131I VAL 4.3 0.9 - - - +
132I LEU* 3.6 8.7 - - - +
133I THR* 3.0 54.4 + - - +
135I LYS* 4.3 13.2 + - - +
86S GLY* 3.2 26.7 - - - -
87S ASN* 3.7 13.6 + - - -
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Residues in contact with PHE 127 (chain I).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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124I ASP* 3.9 14.1 - - - -
125I VAL* 3.5 24.5 - - + -
126I SER* 1.4 63.2 + - - -
128I GLY* 1.4 64.2 + - - +
129I SER* 3.1 2.6 + - - -
132I LEU* 3.4 10.4 - - - +
85S TYR* 4.1 26.5 - + - -
86S GLY 3.5 19.3 - - - +
87S ASN 3.6 14.6 - - - +
88S PRO 2.8 20.1 - - - +
89S HIS* 3.0 15.4 - - + +
90S SER 2.7 44.4 - - - +
91S ARG 4.5 2.5 - - - -
92S THR 4.7 7.2 - - - -
93S HIS* 4.7 15.5 - + - -
96S GLY* 6.1 4.5 - - - -
294S GLY 6.0 1.3 - - - -
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Residues in contact with GLY 128 (chain I).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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126I SER 3.7 1.6 - - - -
127I PHE* 1.4 77.7 - - - +
129I SER* 1.3 63.4 + - - +
130I GLY 3.3 7.1 + - - -
131I VAL* 4.1 8.7 + - - -
87S ASN* 4.1 15.0 - - - +
88S PRO* 3.7 16.3 - - - +
89S HIS 5.0 0.5 - - - +
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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