Contacts of the helix formed by residues 177 - 199 (chain C) in PDB entry 3IZ0
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 THR 177 (chain C).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
168C SER* 3.8 29.7 - - - +
171C THR* 3.6 34.1 + - - +
172C VAL* 3.7 7.0 - - - +
174C ALA* 2.9 8.8 + - - +
175C PRO 3.2 0.2 - - - -
176C HIS* 1.3 81.5 + - - +
178C TRP* 1.3 69.8 + - - +
179C PRO* 3.2 2.0 - - - -
180C HIS* 3.0 19.1 + - + +
181C ILE* 3.2 18.3 + - + +
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Residues in contact with TRP 178 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
92C ILE* 5.0 3.8 - - + -
96C ILE* 3.6 20.0 - - + +
99C LEU* 4.1 23.1 - - + -
117C LEU* 2.8 32.3 + - + -
118C GLN 3.1 19.9 + - - +
120C PRO* 3.4 31.0 - - + -
125C PHE* 4.6 6.3 - + - -
128C ILE* 5.7 2.5 - - + -
172C VAL* 3.2 26.2 + - + +
173C GLY 4.0 7.2 - - - +
174C ALA 3.0 12.0 + - - +
175C PRO* 5.1 0.9 - - + +
177C THR* 1.3 75.0 - - - +
179C PRO* 1.4 70.4 - - + +
181C ILE* 3.0 22.5 + - + +
182C VAL* 2.8 51.7 + - + +
185C LEU* 4.2 11.7 - - + -
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Residues in contact with PRO 179 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
86C LEU* 3.5 28.3 - - + +
92C ILE* 3.6 29.1 - - + +
175C PRO 3.3 22.7 - - - +
176C HIS* 4.0 3.8 - - - -
177C THR 3.4 5.8 - - - +
178C TRP* 1.4 92.5 - - + +
180C HIS* 1.3 63.7 + - + +
182C VAL* 3.4 5.1 - - + +
183C ALA* 3.3 22.0 + - - +
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Residues in contact with HIS 180 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
86C LEU* 3.4 30.2 - - + +
160C TYR* 4.2 3.8 + - - -
164C LEU* 4.7 8.0 - - + +
168C SER* 6.0 1.3 - - - +
176C HIS 3.5 24.9 + - - -
177C THR* 3.0 10.4 + - + +
179C PRO* 1.3 76.2 - - + +
181C ILE* 1.3 68.2 + - + +
183C ALA* 3.4 6.7 - - - +
184C ALA* 3.0 26.2 + - - +
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Residues in contact with ILE 181 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
125C PHE* 3.4 39.5 - - + -
164C LEU* 4.0 19.7 - - + -
168C SER* 4.1 12.6 - - - +
169C MET* 3.7 25.8 - - + -
172C VAL* 4.2 12.8 - - + +
177C THR* 3.5 24.7 - - + +
178C TRP* 3.0 18.9 + - + +
180C HIS* 1.3 78.3 - - + +
182C VAL* 1.3 61.7 + - - +
184C ALA* 2.9 7.9 + - + +
185C LEU* 2.9 27.7 + - + +
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Residues in contact with VAL 182 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
92C ILE* 4.1 14.8 - - + -
95C CYS* 3.9 29.6 - - + +
96C ILE* 4.0 16.8 - - + +
99C LEU* 4.3 10.1 - - + -
178C TRP* 2.8 58.3 + - + +
179C PRO* 3.4 12.3 - - + +
181C ILE* 1.3 69.1 - - - +
183C ALA* 1.3 70.7 + - - +
185C LEU* 3.2 4.5 + - - +
186C VAL* 3.0 25.8 + - + +
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Residues in contact with ALA 183 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
84C ARG* 3.5 26.2 + - - +
86C LEU* 3.6 24.0 - - + -
91C PHE* 5.1 0.4 - - + -
95C CYS* 4.5 14.4 - - - -
179C PRO 3.3 15.9 - - - +
180C HIS* 3.4 6.5 - - - +
182C VAL* 1.3 86.0 - - + +
184C ALA* 1.3 62.1 + - - +
186C VAL* 3.3 3.4 + - - +
187C TRP* 3.0 18.0 + - - +
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Residues in contact with ALA 184 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
155C PHE* 3.3 30.1 - - + -
160C TYR* 3.6 27.8 + - + +
164C LEU* 4.3 12.1 - - + -
180C HIS 3.0 13.8 + - - +
181C ILE* 2.9 12.4 + - + +
183C ALA* 1.3 76.8 - - - +
185C LEU* 1.3 56.5 + - - +
187C TRP* 3.2 4.2 + - - +
188C LEU 2.9 23.7 + - - -
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Residues in contact with LEU 185 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
99C LEU* 4.0 22.0 - - + -
125C PHE* 3.7 32.8 - - + -
128C ILE* 3.8 23.3 - - + -
129C PHE* 4.5 14.1 - - + -
132C LEU* 4.0 19.9 - - + +
155C PHE* 4.4 15.3 - - + -
178C TRP* 4.2 15.7 - - + -
181C ILE 2.9 16.0 + - - +
182C VAL* 3.2 6.7 + - - +
184C ALA* 1.3 74.8 - - - +
186C VAL* 1.3 57.7 + - + +
188C LEU* 3.1 8.6 + - + +
189C ILE* 2.9 31.7 + - - +
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Residues in contact with VAL 186 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
95C CYS* 3.5 39.5 - - + +
98C GLN* 3.2 33.2 - - + +
99C LEU* 4.4 8.5 - - + +
182C VAL* 3.0 22.0 + - + +
183C ALA* 3.7 6.3 - - - +
185C LEU* 1.3 72.2 - - - +
187C TRP* 1.3 61.1 + - - +
189C ILE* 3.3 13.8 + - + +
190C ASP* 3.0 33.7 + - - +
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Residues in contact with TRP 187 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
84C ARG* 4.3 7.9 - - - +
155C PHE* 4.1 12.3 - + - -
158C LEU* 3.5 28.5 - - + -
159C GLY 3.7 8.5 - - - -
160C TYR* 3.2 66.0 - + + -
161C PRO* 4.2 0.6 - - + +
183C ALA 3.0 13.4 + - - +
184C ALA 3.2 9.8 + - - +
186C VAL* 1.3 74.9 - - - +
188C LEU* 1.3 82.4 + - - +
190C ASP* 3.0 11.2 + - - +
191C CYS* 3.0 39.6 + - - -
78D LEU* 3.0 32.7 + - + -
79D MET* 3.3 29.7 - - + +
82D PHE* 4.3 5.4 - - + -
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Residues in contact with LEU 188 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
129C PHE* 4.3 18.8 - - + -
132C LEU* 3.7 34.3 - - + -
133C TYR* 4.3 8.7 - - + +
136C LEU* 4.1 16.8 - - + -
155C PHE* 4.1 20.2 - - + -
158C LEU* 3.6 31.6 - - + -
184C ALA 2.9 12.7 + - - +
185C LEU* 3.1 8.7 + - + +
187C TRP* 1.3 83.6 - - + +
189C ILE* 1.3 62.5 + - - +
191C CYS* 2.9 18.9 + - + +
192C ILE* 3.0 16.6 + - + +
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Residues in contact with ILE 189 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
98C GLN* 4.3 4.7 - - + +
99C LEU* 4.0 31.2 - - + +
102C PHE* 3.6 50.3 - - + -
132C LEU* 4.0 17.0 - - + -
185C LEU 2.9 19.3 + - - +
186C VAL* 3.4 15.5 - - + +
188C LEU* 1.3 74.3 - - - +
190C ASP* 1.3 60.3 + - - +
192C ILE* 3.3 12.9 + - - +
193C LYS* 3.0 38.6 + - - +
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Residues in contact with ASP 190 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
98C GLN* 5.9 0.5 + - - -
186C VAL* 3.0 21.0 + - - +
187C TRP* 3.0 15.0 + - - +
189C ILE* 1.3 77.1 - - - +
191C CYS* 1.3 63.0 + - - +
193C LYS* 3.1 22.7 + - - +
194C ILE* 2.9 25.1 + - - +
72D GLY 5.0 0.7 - - - +
73D VAL* 3.7 19.7 - - + +
74D MET* 3.6 21.5 + - - +
75D TYR* 4.7 3.5 + - - -
79D MET* 3.9 18.7 - - + +
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Residues in contact with CYS 191 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
136C LEU* 4.7 2.2 - - + -
158C LEU* 5.3 0.2 - - - -
187C TRP* 3.0 40.1 + - - -
188C LEU* 2.9 17.6 + - + +
190C ASP* 1.3 74.2 - - - +
192C ILE* 1.3 54.1 + - - +
194C ILE* 2.9 5.2 + - - +
195C HIS* 2.7 32.6 + - - +
79D MET* 3.6 13.2 - - - -
82D PHE* 3.4 56.0 - - + -
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Residues in contact with ILE 192 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
102C PHE* 4.1 24.7 - - + -
132C LEU* 3.4 35.7 - - + +
135C PHE* 3.9 36.8 - - + +
136C LEU* 4.4 20.2 - - + -
188C LEU* 3.0 17.0 + - + +
189C ILE* 3.3 16.8 + - - +
191C CYS* 1.3 72.5 - - - +
193C LYS* 1.3 59.5 + - + +
195C HIS* 3.3 1.5 + - - +
196C THR* 2.8 44.6 + - - +
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Residues in contact with LYS 193 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
102C PHE* 5.2 10.8 - - + -
189C ILE* 3.0 31.9 + - + +
190C ASP* 3.1 23.0 + - - +
192C ILE* 1.3 76.5 - - + +
194C ILE* 1.3 64.3 + - - +
196C THR* 3.2 5.1 + - - -
197C ALA* 3.0 24.1 + - - +
71D SER* 3.9 25.8 + - - +
72D GLY 4.6 10.9 + - - +
73D VAL* 4.9 1.8 - - + -
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Residues in contact with ILE 194 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
190C ASP 2.9 17.7 + - - +
191C CYS 3.4 5.6 - - - +
193C LYS* 1.3 74.6 - - - +
195C HIS* 1.3 60.2 + - - +
197C ALA* 3.3 3.1 + - - +
198C MET* 3.0 27.5 + - + +
67D MET* 4.0 18.4 - - - -
68D PRO* 3.9 14.1 - - + +
71D SER* 4.0 10.3 - - - -
73D VAL* 3.8 16.6 - - + -
79D MET* 3.7 43.3 - - + -
82D PHE* 3.9 15.0 - - + -
83D LEU* 3.9 21.5 - - + -
86D SER* 4.1 8.7 - - - +
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Residues in contact with HIS 195 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
135C PHE 4.9 7.0 - - - -
136C LEU* 3.8 30.7 + - + -
191C CYS 2.7 19.4 + - - +
192C ILE 3.8 3.1 - - - +
194C ILE* 1.3 73.8 - - - +
196C THR* 1.3 61.8 + - - +
198C MET* 3.4 3.9 - - + +
199C LYS* 3.0 62.3 + - + +
82D PHE* 4.1 5.1 - + + -
85D PHE* 4.7 2.5 - + - -
86D SER* 3.0 35.3 + - - +
89D VAL* 3.8 24.7 - - + -
90D THR* 4.9 4.0 - - - -
106D THR* 4.3 15.4 - - + +
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Residues in contact with THR 196 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
135C PHE* 5.8 1.4 - - - -
192C ILE* 2.8 33.1 + - - +
193C LYS* 3.2 5.6 + - - -
195C HIS* 1.3 70.9 - - - +
197C ALA* 1.3 65.3 + - - +
199C LYS* 3.2 22.5 + - + +
200C GLU* 3.1 18.0 - - - +
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Residues in contact with ALA 197 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
193C LYS 3.0 16.1 + - - +
194C ILE 3.6 4.5 - - - +
196C THR* 1.3 76.9 - - - +
198C MET* 1.3 58.6 + - - +
200C GLU* 2.9 33.2 + - - +
201C SER 3.5 7.6 + - - +
68D PRO* 3.9 19.3 - - + -
70D ASN* 4.1 27.4 - - + +
71D SER* 4.4 2.2 - - - +
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Residues in contact with MET 198 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
194C ILE* 3.0 17.7 + - + +
195C HIS* 3.4 13.0 - - + +
197C ALA* 1.3 76.8 - - - +
199C LYS* 1.3 57.7 + - + +
200C GLU 3.0 11.4 + - - +
201C SER* 4.1 6.0 + - - -
202C SER* 3.6 23.1 + - - -
66D MET 4.3 1.1 - - - +
68D PRO* 3.6 22.6 - - + +
83D LEU* 4.6 2.5 - - + +
86D SER* 3.1 36.1 - - - +
87D ASN* 3.5 37.2 - - - +
90D THR* 3.1 40.5 - - + +
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Residues in contact with LYS 199 (chain C).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
135C PHE 5.8 1.8 - - - -
195C HIS* 3.0 53.1 + - + +
196C THR* 3.2 14.9 + - + +
197C ALA 3.1 1.6 - - - -
198C MET* 1.3 76.2 - - + +
200C GLU* 1.3 73.0 + - - +
89D VAL* 5.1 4.6 - - - +
90D THR* 5.9 2.0 - - + +
93D ASP* 5.3 6.3 + - - -
106D THR* 5.8 0.4 - - - +
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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
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
------------------------------------------------------------
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