Contacts of the helix formed by residues 173 - 207 (chain D) in PDB entry 4K71
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 173 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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171D ALA* 4.0 5.1 - - - +
172D ALA* 1.3 77.9 - - + +
174D LYS* 1.3 63.6 + - - +
175D ALA* 3.9 6.2 + - - +
176D ALA* 3.4 29.8 + - + +
177D CYS* 3.4 22.7 + - - +
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Residues in contact with LYS 174 (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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120D VAL* 3.8 15.7 - - + -
121D ASP* 3.2 38.1 + - - +
124D CYS* 4.5 18.4 - - + -
168D CYS* 3.7 21.8 - - - +
169D CYS 4.3 13.9 - - - +
171D ALA* 3.6 20.9 - - - +
172D ALA 3.9 6.0 + - - +
173D ASP* 1.3 70.8 + - - +
175D ALA* 1.3 62.1 + - - +
177D CYS* 3.5 2.1 + - - +
178D LEU* 2.8 33.8 + - - +
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Residues in contact with ALA 175 (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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120D VAL* 3.7 30.0 - - + +
173D ASP* 3.5 5.8 + - - +
174D LYS* 1.3 78.5 - - - +
176D ALA* 1.3 58.8 + - - +
178D LEU 4.5 0.2 - - - +
179D LEU* 2.8 46.7 + - + +
180D PRO* 3.6 0.5 - - - +
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Residues in contact with ALA 176 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
166A THR* 3.5 8.2 - - - +
173D ASP* 3.4 32.4 + - + +
174D LYS 3.4 0.6 - - - -
175D ALA* 1.3 78.1 - - - +
177D CYS* 1.3 57.7 + - - +
180D PRO* 3.2 26.9 - - - +
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Residues in contact with CYS 177 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
166A THR* 4.0 5.2 - - - +
167D GLU* 4.4 13.0 - - - -
168D CYS* 2.1 52.9 - - + -
171D ALA* 4.4 9.4 - - + -
173D ASP 3.4 14.5 + - - +
174D LYS 3.8 0.4 - - - +
175D ALA 3.3 0.2 - - - -
176D ALA* 1.3 80.6 - - - +
178D LEU* 1.3 61.5 + - - +
180D PRO* 3.9 2.9 - - - +
181D LYS* 2.6 45.4 + - - +
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Residues in contact with LEU 178 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
120D VAL* 3.9 23.8 - - + +
123D MET* 4.4 7.6 - - + -
124D CYS* 4.6 8.5 - - - -
164D ALA* 4.1 29.2 - - + +
165D PHE* 3.8 28.7 - - + -
168D CYS* 3.7 9.2 - - + -
169D CYS* 5.0 1.1 - - - -
174D LYS* 2.8 19.9 + - + +
175D ALA* 4.2 1.6 - - - +
177D CYS* 1.3 78.5 - - - +
179D LEU* 1.3 68.4 + - + +
181D LYS* 3.0 12.6 + - - +
182D LEU* 3.1 40.6 + - + +
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Residues in contact with LEU 179 (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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117D ARG* 3.6 40.6 + - + +
120D VAL* 3.9 21.8 - - + -
123D MET* 4.8 2.0 - - + -
175D ALA* 2.8 37.8 + - + +
178D LEU* 1.3 73.6 - - + +
180D PRO* 1.3 59.6 - - + +
182D LEU* 3.0 7.4 + - + +
183D ASP* 2.9 37.6 + - - +
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Residues in contact with PRO 180 (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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163A ALA 5.4 0.7 - - - +
166A THR* 4.1 11.7 - - + -
167A GLU* 3.9 29.6 - - + +
175D ALA 3.6 1.3 - - - +
176D ALA* 3.2 27.1 - - - +
177D CYS 3.9 1.6 - - - +
178D LEU 3.4 2.9 - - - -
179D LEU* 1.3 93.4 - - + +
181D LYS* 1.3 59.3 + - - +
183D ASP* 3.9 9.1 - - + +
184D GLU* 3.2 24.4 + - - +
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Residues in contact with LYS 181 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
127A PHE* 5.9 1.8 - - - -
165A PHE 5.5 0.7 - - - -
166A THR* 2.9 38.9 + - - +
167A GLU 4.2 9.0 - - - +
169A CYS* 5.8 2.5 - - - -
170A GLN* 4.1 22.8 - - + +
164D ALA* 4.0 26.9 - - + -
167D GLU* 3.8 19.4 + - - -
168D CYS* 3.6 17.9 - - - -
177D CYS* 2.6 37.4 + - - +
178D LEU* 3.0 8.1 + - + +
180D PRO* 1.3 77.3 - - - +
182D LEU* 1.3 58.9 + - - +
184D GLU* 3.5 2.4 + - - +
185D LEU* 3.1 32.7 + - + +
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Residues in contact with LEU 182 (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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117D ARG* 4.0 32.3 + - - +
123D MET* 4.3 3.1 - - + -
138D TYR* 3.6 16.6 - - - +
161D TYR* 3.7 33.9 + - + -
164D ALA* 4.9 4.0 - - + -
165D PHE* 3.7 30.1 - - + -
178D LEU* 3.1 36.1 + - + +
179D LEU* 3.0 9.6 + - + +
181D LYS* 1.3 76.2 - - - +
183D ASP* 1.3 65.1 + - - +
185D LEU* 3.6 6.3 + - + +
186D ARG* 3.0 23.9 + - - +
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Residues in contact with ASP 183 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
117D ARG* 3.2 23.2 + - - -
179D LEU* 2.9 23.7 + - - +
180D PRO* 3.9 8.2 - - + +
182D LEU* 1.3 76.8 - - - +
184D GLU* 1.3 56.2 + - - +
186D ARG* 3.5 7.7 + - - +
187D ASP* 3.0 37.9 + - - +
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Residues in contact with GLU 184 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
167A GLU* 3.6 35.5 - - + +
171A ALA* 3.0 26.7 + - - +
177A CYS* 3.5 17.8 - - - +
180D PRO 3.2 17.2 + - - +
181D LYS 3.6 4.7 - - - +
183D ASP* 1.3 77.1 - - - +
185D LEU* 1.3 57.0 + - - +
187D ASP* 3.2 8.8 + - + +
188D GLU* 2.7 71.0 + - - +
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Residues in contact with LEU 185 (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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170A GLN 4.0 12.1 - - - +
172A ALA 4.1 4.3 - - - +
157D PHE* 3.5 29.6 - - + -
160D ARG* 3.9 36.1 - - + +
161D TYR* 3.5 45.1 + - + +
164D ALA* 4.9 4.5 - - + -
181D LYS* 3.1 21.8 + - + +
182D LEU* 4.0 4.5 - - + +
184D GLU* 1.3 80.9 - - - +
186D ARG* 1.3 54.6 + - - +
188D GLU* 3.8 14.4 - - - +
189D GLY* 2.8 32.7 + - - -
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Residues in contact with ARG 186 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
114D ARG* 3.8 44.4 + - - +
115D LEU* 5.7 1.2 - - - +
117D ARG* 4.7 13.7 - - - +
145D ARG* 4.8 13.7 - - - +
146D HIS* 5.1 8.3 + - - -
161D TYR* 3.9 6.6 + - - +
182D LEU 3.0 18.9 + - - +
183D ASP* 3.6 9.4 - - - +
185D LEU* 1.3 73.4 - - - +
187D ASP* 1.3 65.6 + - - +
189D GLY* 3.1 3.3 + - - -
190D LYS* 2.9 62.1 + - + +
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Residues in contact with ASP 187 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
183D ASP* 3.0 22.1 + - - +
184D GLU* 3.2 9.6 + - + +
186D ARG* 1.3 81.7 - - - +
188D GLU* 1.3 65.5 + - + +
190D LYS* 3.3 13.7 + - - +
191D ALA* 3.2 21.1 + - - +
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Residues in contact with GLU 188 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
171A ALA* 3.4 3.0 - - - +
172A ALA* 2.8 24.5 + - - +
173A ASP* 3.0 34.0 + - - +
177A CYS* 5.3 0.2 - - - +
157D PHE* 3.9 11.9 - - + -
184D GLU* 2.7 53.7 + - - +
185D LEU* 3.8 9.4 - - - +
187D ASP* 1.3 72.7 - - - +
189D GLY* 1.3 53.6 + - - +
191D ALA* 3.1 7.8 + - - +
192D SER* 2.8 35.9 + - - -
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Residues in contact with GLY 189 (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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142D ILE* 5.7 1.8 - - - -
146D HIS* 5.1 4.7 - - - -
149D PHE* 3.5 19.5 - - - -
157D PHE* 3.5 14.7 - - - -
185D LEU 2.8 15.3 + - - -
186D ARG* 3.5 5.2 - - - -
188D GLU* 1.3 76.9 - - - +
190D LYS* 1.3 59.7 + - - +
192D SER 3.4 0.3 + - - -
193D SER* 3.1 26.6 + - - -
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Residues in contact with LYS 190 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
146D HIS* 4.1 29.1 + - + +
186D ARG* 2.9 52.7 + - + +
187D ASP* 3.7 14.8 - - - +
188D GLU 3.3 0.2 - - - -
189D GLY* 1.3 76.4 - - - +
191D ALA* 1.3 55.7 + - - +
193D SER* 3.9 1.6 - - - -
194D ALA* 3.0 30.5 + - - +
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Residues in contact with ALA 191 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
187D ASP 3.2 11.8 + - - +
188D GLU* 3.1 11.0 + - - +
190D LYS* 1.3 75.3 - - - +
192D SER* 1.3 64.9 + - - +
194D ALA* 3.4 6.1 + - - +
195D LYS* 3.1 33.5 + - - +
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Residues in contact with SER 192 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
149D PHE* 3.9 17.5 - - - -
150D TYR* 5.3 0.9 - - - +
153D GLU* 2.7 37.6 + - - +
157D PHE* 4.4 5.2 - - - -
188D GLU 2.8 17.5 + - - -
189D GLY 3.8 4.0 - - - -
191D ALA* 1.3 77.2 - - - +
193D SER* 1.3 56.6 + - - +
195D LYS* 3.3 10.8 + - - +
196D GLN* 3.0 27.0 + - - +
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Residues in contact with SER 193 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
146D HIS* 3.4 39.1 + - - +
148D TYR* 4.7 2.9 + - - +
149D PHE* 4.0 25.0 + - - +
189D GLY 3.1 17.0 + - - -
190D LYS 3.9 3.6 - - - -
192D SER* 1.3 74.2 + - - +
194D ALA* 1.3 60.6 + - - +
196D GLN* 3.2 2.6 + - - +
197D ARG* 2.8 31.2 + - - +
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Residues in contact with ALA 194 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
190D LYS 3.0 20.6 + - - +
191D ALA* 3.7 7.0 - - - +
192D SER 3.4 0.2 - - - -
193D SER* 1.3 75.5 - - - +
195D LYS* 1.3 62.3 + - - +
197D ARG* 3.3 8.2 + - - +
198D LEU* 3.2 19.8 + - - +
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Residues in contact with LYS 195 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
191D ALA* 3.1 23.6 + - - +
192D SER* 3.6 10.3 - - - +
193D SER 3.3 0.2 - - - -
194D ALA* 1.3 74.8 - - - +
196D GLN* 1.3 63.2 + - - +
198D LEU* 2.9 19.7 + - - +
199D LYS* 3.0 32.4 + - - +
214D TRP* 6.4 0.9 - - + -
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Residues in contact with GLN 196 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
148D TYR 3.1 26.9 - - - +
150D TYR* 3.5 37.6 - - + +
192D SER 3.0 16.3 + - - +
193D SER 3.2 3.6 + - - +
195D LYS* 1.3 76.4 - - - +
197D ARG* 1.3 62.9 + - - +
199D LYS* 3.1 14.8 + - - +
200D CYS* 2.9 25.6 + - - -
242D HIS* 3.0 39.9 + - - -
245D CYS* 4.7 4.6 - - - +
246D CYS* 3.8 20.2 - - - -
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Residues in contact with ARG 197 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
108D ASP* 2.9 37.4 + - - +
148D TYR* 3.2 47.8 + - + +
193D SER* 2.8 15.2 + - - +
194D ALA* 3.5 13.0 - - - +
195D LYS 3.2 0.2 - - - -
196D GLN* 1.3 76.2 - - - +
198D LEU* 1.3 56.0 + - - +
200D CYS* 3.7 10.0 + - - +
201D ALA* 3.0 46.6 + - + +
204D GLN* 4.5 6.1 + - - -
205D LYS* 5.9 4.9 - - - +
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Residues in contact with LEU 198 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
194D ALA 3.2 10.6 + - - +
195D LYS* 2.9 13.9 + - - +
197D ARG* 1.3 75.0 - - - +
199D LYS* 1.3 66.7 + - + +
201D ALA* 3.4 9.3 + - + -
202D SER* 3.0 26.9 + - - +
214D TRP* 6.2 4.7 - - + +
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Residues in contact with LYS 199 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
195D LYS* 3.0 33.6 + - - +
196D GLN* 3.1 33.3 + - - +
198D LEU* 1.3 75.7 - - + +
200D CYS* 1.3 60.1 + - - +
202D SER* 2.6 25.7 + - - -
203D LEU* 3.1 11.9 + - - +
211D PHE* 4.0 18.6 - - + -
214D TRP* 3.3 45.5 - - + -
242D HIS* 3.6 22.7 - - + +
246D CYS* 4.5 2.5 - - - -
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Residues in contact with CYS 200 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
148D TYR* 4.0 20.2 - - + -
196D GLN* 2.9 31.2 + - - +
197D ARG* 4.0 13.5 - - - +
199D LYS* 1.3 72.4 - - - +
201D ALA* 1.3 60.9 + - - +
203D LEU* 3.2 2.6 + - - +
204D GLN* 2.8 42.2 + - - +
246D CYS* 2.0 58.3 - - + -
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Residues in contact with ALA 201 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
197D ARG* 3.0 31.8 + - + +
198D LEU* 3.7 13.0 - - + +
200D CYS* 1.3 75.2 - - - +
202D SER* 1.3 57.9 + - - +
204D GLN* 5.0 1.3 - - - -
205D LYS* 2.8 46.0 + - + +
206D PHE* 3.7 7.1 + - + -
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Residues in contact with SER 202 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
198D LEU* 3.0 18.6 + - - +
199D LYS* 2.6 24.6 + - - -
201D ALA* 1.3 75.3 - - - +
203D LEU* 1.3 57.3 + - - +
206D PHE* 3.0 35.3 + - - +
207D GLY 3.0 14.0 + - - +
210D ALA* 4.3 16.4 - - - -
211D PHE* 3.8 16.9 - - - +
214D TRP* 6.0 1.6 - - - +
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Residues in contact with LEU 203 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
199D LYS 3.1 12.9 + - - +
200D CYS 3.6 5.2 - - - +
202D SER* 1.3 85.3 + - - +
204D GLN* 1.3 66.8 + - + +
207D GLY* 3.3 21.3 + - - -
208D GLU* 4.1 18.5 + - + +
211D PHE* 3.5 29.8 - - + -
239D THR* 4.3 7.4 - - + +
242D HIS* 3.8 39.0 - - + +
243D THR* 3.8 24.9 - - + +
246D CYS* 4.1 11.7 - - + -
----------------------------------------------------------
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Residues in contact with GLN 204 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
148D TYR* 4.5 14.6 + - - -
197D ARG* 4.5 9.2 + - - -
200D CYS* 2.8 31.9 + - - +
201D ALA* 5.0 0.7 - - - -
203D LEU* 1.3 80.1 - - + +
205D LYS* 1.3 79.3 + - + +
207D GLY 4.8 0.2 - - - -
246D CYS* 2.9 36.1 + - + +
247D HIS* 4.8 5.5 - - - +
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Residues in contact with LYS 205 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
197D ARG* 5.9 4.7 - - - +
201D ALA* 2.8 26.9 + - + +
204D GLN* 1.3 94.0 - - + +
206D PHE* 1.3 81.1 + - + +
207D GLY 3.8 0.4 - - - -
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Residues in contact with PHE 206 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
201D ALA* 3.9 15.0 - - + -
202D SER* 3.0 16.7 + - - +
205D LYS* 1.3 92.2 - - + +
207D GLY* 1.3 61.9 + - - +
209D ARG* 6.0 0.2 - - - +
210D ALA* 3.8 20.7 + - + +
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Residues in contact with GLY 207 (chain D).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
202D SER 3.0 14.7 + - - +
203D LEU* 3.3 17.6 + - - +
204D GLN 4.8 0.2 - - - -
205D LYS 3.8 0.8 - - - -
206D PHE* 1.3 79.1 - - - +
208D GLU* 1.3 65.7 + - - +
209D ARG* 3.3 3.1 - - - -
210D ALA* 3.4 10.2 + - - +
211D PHE 3.8 1.0 + - - -
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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
------------------------------------------------------------
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