Contacts of the helix formed by residues 136 - 152 (chain A) in PDB entry 4CSC
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 136 (chain A).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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134A ASN 3.5 5.8 + - - +
135A LEU* 1.3 75.2 - - - +
137A PRO* 1.3 71.0 - - + +
138A MET* 2.8 44.4 + - + +
139A SER* 2.9 16.1 + - - +
140A GLN* 2.8 27.5 + - - +
270A ALA* 5.9 0.2 - - + -
276A LEU* 3.8 18.6 - - + +
279A GLN* 2.9 31.4 + - - -
391A ASN* 3.3 31.2 + - + -
394A THR* 5.5 0.2 - - - -
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Residues in contact with PRO 137 (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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135A LEU 3.5 3.5 - - - +
136A HIS* 1.3 102.8 - - + +
138A MET* 1.3 54.7 + - - +
140A GLN* 3.4 11.3 + - + +
141A LEU* 2.9 30.0 + - - +
189A ILE* 3.9 19.4 - - + +
193A LEU* 4.5 6.3 - - + -
194A TYR* 4.0 15.7 - - - +
391A ASN* 3.0 30.1 - - + +
392A TYR* 4.2 5.2 - - + -
395A VAL* 3.9 19.4 - - + +
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Residues in contact with MET 138 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
136A HIS* 2.8 28.3 - - + +
137A PRO* 1.3 72.3 - - - +
139A SER* 1.4 56.3 - - - +
141A LEU* 3.3 8.3 + - + +
142A SER* 3.1 31.5 + - - -
266A MET* 3.4 50.0 - - + +
267A ASN* 5.1 1.5 + - - -
269A LEU* 4.3 3.4 - - + -
270A ALA* 3.7 27.1 - - + +
276A LEU* 4.3 1.3 - - + -
391A ASN 5.5 0.2 - - - +
394A THR* 3.5 52.3 - - + +
395A VAL* 3.6 13.2 - - + +
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Residues in contact with SER 139 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
135A LEU* 3.5 30.9 - - - +
136A HIS* 2.9 21.3 + - - +
138A MET* 1.4 75.5 - - - +
140A GLN* 1.3 67.7 + - - +
142A SER* 3.9 4.4 - - - -
143A ALA* 3.1 25.8 + - - +
267A ASN* 5.7 2.0 - - - +
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Residues in contact with GLN 140 (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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128A LEU* 4.0 11.2 + - + +
131A PHE* 3.4 47.3 - - + +
132A PRO 3.4 15.0 - - - +
135A LEU* 3.0 24.2 - - + +
136A HIS 2.8 23.5 + - - +
137A PRO* 3.6 8.3 - - + +
139A SER* 1.3 74.7 - - - +
141A LEU* 1.3 59.6 + - - +
143A ALA 3.6 0.2 + - - -
144A ALA* 3.2 24.8 + - - +
189A ILE* 3.7 24.6 - - + +
192A ASN* 5.6 4.4 + - - +
193A LEU* 3.7 21.9 - - - +
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Residues in contact with LEU 141 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
137A PRO 2.9 16.7 + - - +
138A MET* 3.5 20.0 - - + +
139A SER 3.2 0.2 - - - -
140A GLN* 1.3 74.7 - - - +
142A SER* 1.3 66.6 + - - +
144A ALA* 3.3 4.8 + - - +
145A ILE* 3.0 43.6 + - + +
182A LEU* 4.1 14.6 - - + -
185A VAL* 4.0 19.5 - - + -
186A ALA* 4.8 11.2 - - + +
189A ILE* 3.6 13.2 - - + +
262A PHE* 5.0 1.8 - - + -
266A MET* 3.9 29.4 - - + -
395A VAL* 4.6 18.2 - - + +
398A GLY* 4.7 2.5 - - - -
399A VAL* 5.5 0.9 - - + -
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Residues in contact with SER 142 (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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138A MET 3.1 12.3 + - - -
139A SER* 3.9 4.3 - - - -
141A LEU* 1.3 81.5 - - - +
143A ALA* 1.3 57.8 + - - +
145A ILE* 3.3 7.6 + - - -
146A THR* 2.9 34.6 + - - -
263A ALA* 3.3 20.8 + - - +
266A MET* 4.2 8.7 - - - -
267A ASN* 2.8 33.5 + - - -
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Residues in contact with ALA 143 (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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127A MET* 3.6 24.7 - - + +
131A PHE* 3.9 11.4 - - + -
135A LEU* 6.1 0.4 - - + -
139A SER 3.1 18.1 + - - +
142A SER* 1.3 73.3 - - - +
144A ALA* 1.4 59.1 + - - +
146A THR* 3.3 8.1 + - - +
147A ALA* 2.9 31.0 + - - +
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Residues in contact with ALA 144 (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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124A VAL* 4.1 14.5 - - + +
127A MET* 4.3 7.3 - - - -
128A LEU* 3.8 15.0 - - + -
140A GLN 3.2 18.8 + - - +
141A LEU 3.6 4.0 - - - +
142A SER 3.3 0.2 - - - -
143A ALA* 1.4 76.5 - - - +
145A ILE* 1.3 57.0 + - - +
147A ALA* 3.5 8.3 + - - +
148A LEU* 2.9 32.5 + - - +
185A VAL* 3.7 24.0 - - + -
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Residues in contact with ILE 145 (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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141A LEU* 3.0 42.0 + - + +
142A SER* 4.0 5.8 - - - +
144A ALA* 1.3 73.3 - - + +
146A THR* 1.3 68.0 + - - +
148A LEU* 3.0 26.5 + - + +
149A ASN 3.6 2.1 + - - -
178A LEU* 4.2 14.4 - - + -
182A LEU* 4.1 11.9 - - + -
185A VAL* 5.2 3.1 - - + -
259A TYR* 3.4 35.5 - - + +
262A PHE* 3.5 39.9 - - + -
263A ALA* 4.2 4.3 - - + +
266A MET* 4.4 2.9 - - + -
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Residues in contact with THR 146 (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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142A SER* 2.9 16.1 + - - -
143A ALA* 3.6 6.9 - - - -
145A ILE* 1.3 75.3 - - - +
147A ALA* 1.3 57.8 + - - +
149A ASN* 2.9 35.0 + - - +
259A TYR 5.0 0.7 - - - -
260A LEU* 3.9 21.7 - - + +
263A ALA* 3.1 24.8 - - - +
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Residues in contact with ALA 147 (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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123A HIS* 2.8 36.6 - - + +
124A VAL* 4.3 4.5 - - + -
127A MET* 3.8 23.1 - - + -
143A ALA 2.9 20.8 + - - +
144A ALA 3.6 5.6 - - - +
146A THR* 1.3 73.5 - - - +
148A LEU* 1.3 59.7 + - - +
149A ASN* 3.1 2.8 + - - +
150A SER* 3.6 5.0 + - - -
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Residues in contact with LEU 148 (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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120A LEU* 4.8 1.6 - - + -
121A PRO* 3.4 40.2 - - + -
124A VAL* 3.5 12.6 - - + -
144A ALA 2.9 18.5 + - - +
145A ILE* 3.0 20.1 + - + +
147A ALA* 1.3 73.1 - - - +
149A ASN* 1.3 55.6 + - - +
150A SER* 3.0 8.1 - - - -
151A GLU* 2.9 31.5 + - + +
152A SER 4.1 0.2 + - - -
178A LEU* 5.0 3.6 - - + -
181A LYS* 4.0 27.4 - - + -
185A VAL* 4.4 20.6 - - + -
259A TYR* 3.4 23.6 - - + -
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Residues in contact with ASN 149 (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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145A ILE 3.6 1.2 + - - -
146A THR* 2.9 20.4 + - - +
147A ALA* 3.1 1.8 + - - +
148A LEU* 1.3 73.2 - - - +
150A SER* 1.3 58.3 + - - +
151A GLU 2.9 5.6 - - - -
152A SER* 2.8 26.3 + - - -
155A ALA* 4.8 6.8 - - - +
257A ASP* 2.7 27.8 - - - +
259A TYR* 3.7 21.1 - - + -
260A LEU* 3.8 20.1 - - + +
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Residues in contact with SER 150 (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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123A HIS* 3.4 32.8 + - - -
147A ALA 3.6 6.8 + - - -
148A LEU 3.9 2.0 - - - -
149A ASN* 1.3 81.2 - - - +
151A GLU* 1.3 69.6 + - - +
152A SER 5.1 0.7 - - - +
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Residues in contact with GLU 151 (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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121A PRO* 3.6 35.7 - - + +
123A HIS* 5.3 0.8 + - - -
148A LEU* 3.2 18.8 - - + +
149A ASN 2.9 0.4 - - - -
150A SER* 1.3 93.0 - - - +
152A SER* 1.3 63.9 + - - +
153A ASN* 3.0 16.5 + - - +
177A ASP* 5.7 0.3 - - - +
181A LYS* 5.3 10.1 + - - -
259A TYR* 4.6 13.1 + - - +
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Residues in contact with SER 152 (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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148A LEU 4.1 0.6 + - - -
149A ASN 2.8 17.4 + - - -
150A SER 3.4 1.3 - - - +
151A GLU* 1.3 76.4 - - - +
153A ASN* 1.3 62.8 + - - +
154A PHE* 3.3 4.9 + - - +
155A ALA* 2.9 29.0 + - - +
156A ARG* 3.3 22.2 + - - +
174A SER* 4.4 1.5 + - - -
257A ASP* 3.1 19.0 - - - +
259A TYR* 3.7 28.7 - - - -
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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