Contacts of the helix formed by residues 270 - 300 (chain B) in PDB entry 4DJH
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 ARG 270 (chain B).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
156B ARG* 4.3 14.9 - - - +
159B ALA* 6.1 1.0 - - - +
253B LEU* 5.5 0.6 - - - +
267B ARG 5.0 0.9 - - - -
268B ASN 4.2 0.4 + - - -
269B LEU* 1.3 75.3 - - - +
271B ARG* 1.3 80.9 + - + +
272B ILE* 3.0 9.1 + - + +
273B THR* 3.1 16.1 + - - +
274B ARG* 2.8 22.8 + - - +
1305B PEG 2.5 42.8 + - - -
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Residues in contact with ARG 271 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
269B LEU 4.0 0.4 + - - -
270B ARG* 1.3 80.4 - - + +
272B ILE* 1.3 62.2 + - + +
274B ARG* 3.7 31.3 + - - +
275B LEU* 3.3 14.2 + - - +
333B LEU 3.7 24.5 - - - +
334B ASP* 4.6 12.1 - - - +
335B GLU* 5.0 13.9 - - + +
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Residues in contact with ILE 272 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
94B THR* 4.0 15.7 - - + +
95B ASN* 6.1 0.9 - - - +
156B ARG* 3.1 37.0 - - - +
270B ARG* 3.1 6.8 - - + +
271B ARG* 1.3 81.1 - - + +
273B THR* 1.3 67.8 + - - +
275B LEU* 3.2 13.2 - - + +
276B VAL* 3.1 20.1 + - - +
334B ASP* 4.3 19.5 - - - +
1305B PEG 3.3 42.0 - - - +
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Residues in contact with THR 273 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
156B ARG* 3.2 29.5 + - + +
160B VAL* 4.7 10.2 - - + +
246B TYR* 3.5 15.7 + - + +
249B MET* 4.0 26.5 - - + -
253B LEU* 5.5 4.5 - - + -
269B LEU* 4.2 12.8 - - + -
270B ARG* 3.1 21.2 + - - +
272B ILE* 1.3 75.6 - - - +
274B ARG* 1.3 66.9 + - - +
276B VAL* 3.2 4.6 + - - +
277B LEU* 3.0 21.1 + - + +
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Residues in contact with ARG 274 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
266B ASP* 4.5 26.8 + - + +
269B LEU* 4.1 15.1 - - + +
270B ARG 2.8 18.0 + - - +
271B ARG* 3.7 32.2 + - - +
273B THR* 1.3 76.2 - - - +
275B LEU* 1.3 62.7 + - - +
277B LEU* 3.1 8.8 + - + +
278B VAL* 2.9 38.9 + - + +
332B PHE 4.8 3.0 + - - -
333B LEU* 3.9 34.4 + - + +
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Residues in contact with LEU 275 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
94B THR* 5.1 7.4 - - + -
98B ILE* 4.3 24.7 - - + -
152B MET* 5.4 1.3 - - + -
271B ARG 3.3 11.3 + - - +
272B ILE* 3.2 19.0 + - + +
274B ARG* 1.3 80.6 - - - +
276B VAL* 1.3 59.9 + - + +
278B VAL* 3.1 2.8 + - - +
279B VAL* 2.9 45.7 + - + +
329B LEU 3.9 9.4 - - - +
330B TYR* 4.1 12.8 - - + -
333B LEU* 3.4 41.1 - - + +
334B ASP* 4.3 21.8 - - + -
337B PHE* 4.9 0.7 - - + -
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Residues in contact with VAL 276 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
94B THR* 4.2 7.6 - - + -
149B LEU* 5.9 0.2 - - + -
152B MET* 3.9 42.2 - - + -
153B SER* 4.2 14.4 - - - +
156B ARG* 3.9 27.1 - - + -
246B TYR* 3.0 20.9 - - + +
272B ILE 3.1 14.2 + - - +
273B THR 3.6 2.5 - - - +
275B LEU* 1.3 77.2 - - + +
277B LEU* 1.3 58.0 + - - +
279B VAL* 3.2 6.4 + - - +
280B VAL* 2.8 32.0 + - + +
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Residues in contact with LEU 277 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
242B ILE* 6.1 0.2 - - + -
246B TYR* 3.1 49.1 + - + -
250B ILE* 6.0 4.7 - - + -
273B THR* 3.0 10.3 + - + +
274B ARG* 3.5 11.0 - - - +
276B VAL* 1.3 74.0 - - - +
278B VAL* 1.3 62.6 + - + +
280B VAL* 3.9 9.4 - - + +
281B ALA* 3.1 28.4 + - + +
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Residues in contact with VAL 278 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
274B ARG* 2.9 29.1 + - + +
275B LEU 3.6 6.3 - - - +
277B LEU* 1.3 79.8 - - + +
279B VAL* 1.3 63.9 + - - +
281B ALA* 3.2 5.6 + - + +
282B VAL* 3.0 31.4 + - + +
329B LEU* 4.2 18.6 - - + -
333B LEU* 3.7 28.5 - - + -
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Residues in contact with VAL 279 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
101B LEU* 4.1 11.0 - - + -
149B LEU* 3.7 24.9 - - + -
152B MET* 5.4 4.5 - - + -
275B LEU* 2.9 38.9 + - + +
276B VAL* 3.7 6.7 - - - +
278B VAL* 1.3 76.1 - - + +
280B VAL* 1.3 62.0 + - - +
282B VAL* 4.3 1.2 - - - +
283B PHE* 3.2 22.6 + - + +
326B ASN* 3.9 18.4 - - - +
329B LEU* 4.2 22.9 - - + -
330B TYR* 4.1 16.4 - - + -
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Residues in contact with VAL 280 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
149B LEU* 4.3 22.9 - - + +
153B SER* 3.5 24.2 - - - +
242B ILE* 3.7 31.4 - - + -
246B TYR* 4.8 1.6 - - + -
276B VAL* 2.8 26.0 + - + +
277B LEU* 3.9 12.3 - - + +
279B VAL* 1.3 74.1 - - - +
281B ALA* 1.3 69.4 + - - +
283B PHE* 3.1 8.0 + - - +
284B VAL* 2.9 31.1 + - + +
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Residues in contact with ALA 281 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
277B LEU* 3.1 20.2 + - + +
278B VAL* 3.2 7.4 + - - +
280B VAL* 1.3 82.9 - - - +
282B VAL* 1.3 66.9 + - + +
284B VAL* 3.0 5.7 + - - +
285B VAL* 2.9 30.8 + - + +
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Residues in contact with VAL 282 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
278B VAL* 3.0 22.9 + - + +
279B VAL 4.3 2.9 - - - +
281B ALA* 1.3 80.8 - - + +
283B PHE* 1.3 63.6 + - - +
285B VAL* 3.3 6.6 + - - +
286B CYS* 2.8 45.3 + - - -
322B ASN* 3.8 7.2 - - - +
325B LEU* 3.7 26.7 - - + -
326B ASN* 5.6 0.9 - - - +
329B LEU* 4.1 20.2 - - + -
----------------------------------------------------------
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Residues in contact with PHE 283 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
101B LEU* 5.2 3.4 - - + -
105B ASP* 5.8 0.4 - - - -
142B MET 5.0 1.1 - - - -
145B SER* 3.7 29.6 - - - -
146B ILE* 3.7 35.0 - - + -
149B LEU* 3.3 25.8 - - + -
234B ALA 5.8 0.9 - - - -
235B PHE* 6.1 3.6 - + - -
279B VAL* 3.2 14.4 + - + +
280B VAL 3.1 9.5 + - - +
282B VAL* 1.3 77.9 - - - +
284B VAL* 1.3 66.5 + - + +
286B CYS* 3.0 3.3 + - - +
287B TRP* 2.8 67.0 + + + +
291B HIS* 6.0 1.3 - - - -
322B ASN* 3.1 30.2 + - - +
326B ASN* 5.6 2.0 - - - +
----------------------------------------------------------
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Residues in contact with VAL 284 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
146B ILE* 5.9 1.6 - - + -
235B PHE* 5.0 7.2 - - + -
239B VAL* 4.1 29.2 - - + -
242B ILE* 5.9 3.6 - - + -
280B VAL* 2.9 28.8 + - + +
281B ALA* 3.5 8.5 - - - +
283B PHE* 1.3 77.5 - - + +
285B VAL* 1.3 72.8 + - + +
287B TRP* 4.5 1.6 - - - +
288B THR* 2.8 43.1 + - - +
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Residues in contact with VAL 285 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
281B ALA* 2.9 26.1 + - + +
282B VAL* 3.6 9.4 - - - +
284B VAL* 1.3 77.2 - - + +
286B CYS* 1.3 60.8 + - - +
288B THR* 4.2 3.1 - - - -
289B PRO* 3.1 24.4 - - - +
318B LEU* 5.1 5.0 - - + +
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Residues in contact with CYS 286 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
282B VAL* 2.8 42.0 + - - +
283B PHE 3.6 2.9 - - - +
285B VAL* 1.3 84.4 - - - +
287B TRP* 1.3 60.0 + - + +
289B PRO* 3.3 8.3 - - - +
290B ILE* 4.7 1.2 - - - +
315B CYS 4.3 3.6 - - - +
318B LEU* 3.2 65.0 - - - +
319B GLY 4.1 1.6 + - - -
321B THR* 5.5 0.9 - - - -
322B ASN* 3.7 17.9 - - + -
325B LEU* 4.6 5.8 - - - -
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Residues in contact with TRP 287 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
138B ASP 5.2 0.2 - - - -
141B ASN* 3.4 26.0 - - - -
142B MET* 3.9 38.4 - - + -
145B SER* 4.9 2.7 - - - -
235B PHE* 4.4 3.6 - - + -
283B PHE* 2.8 61.4 + + + +
284B VAL* 4.4 2.0 - - - +
286B CYS* 1.3 83.3 - - + +
288B THR* 1.3 64.9 + - - +
289B PRO* 3.4 1.6 - - - -
290B ILE* 3.2 27.8 - - + +
291B HIS* 3.0 43.4 + - + -
319B GLY* 4.1 13.5 + - - -
322B ASN* 4.2 9.5 - - - +
323B SER* 5.7 2.0 + - - -
1300B JDC 3.4 42.4 - - + -
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Residues in contact with THR 288 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
235B PHE* 3.1 28.6 - - + -
284B VAL* 2.8 29.6 + - - +
285B VAL* 4.2 3.1 - - - -
287B TRP* 1.3 77.0 - - - +
289B PRO* 1.3 74.1 - - + +
291B HIS* 3.3 1.2 + - - +
292B ILE* 3.0 42.5 + - + +
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Residues in contact with PRO 289 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
285B VAL 3.1 21.8 - - - +
286B CYS 3.3 12.3 - - - +
287B TRP 3.5 0.4 - - - -
288B THR* 1.3 94.2 - - + +
290B ILE* 1.3 56.4 + - - +
292B ILE* 3.1 15.3 - - + +
293B PHE* 2.9 30.5 + - - +
314B PHE* 5.4 7.2 - - + -
315B CYS* 3.7 25.7 - - + -
318B LEU* 4.7 9.6 - - + -
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Residues in contact with ILE 290 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
286B CYS 4.7 0.9 + - - +
287B TRP* 3.2 44.0 - - + +
289B PRO* 1.3 79.6 - - - +
291B HIS* 1.3 62.2 + - + +
293B PHE* 3.6 3.5 - - + +
294B ILE* 2.9 45.9 + - + +
312B TYR* 4.5 8.1 - - + -
315B CYS* 3.7 28.4 + - + +
316B ILE* 3.5 27.8 - - + -
319B GLY* 5.9 0.7 - - - -
1300B JDC 3.7 30.3 - - + +
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Residues in contact with HIS 291 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
142B MET* 3.6 28.2 - - - +
230B VAL* 4.5 4.3 - - + -
231B PHE* 4.4 20.9 - - + -
234B ALA* 3.7 27.5 + - + -
235B PHE* 3.4 31.7 - + + +
283B PHE* 6.0 1.4 - - - -
287B TRP* 3.0 47.1 + + + +
288B THR 3.7 2.9 - - - +
289B PRO 3.3 0.8 - - - -
290B ILE* 1.3 82.5 - - + +
292B ILE* 1.3 64.6 + - + +
294B ILE* 3.5 4.1 + - - +
295B LEU* 3.1 23.5 + - - +
1300B JDC 4.2 14.6 - + - -
----------------------------------------------------------
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Residues in contact with ILE 292 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
231B PHE* 4.9 14.1 - - + -
235B PHE* 5.7 3.6 - - + -
288B THR* 3.0 29.9 + - + +
289B PRO* 3.1 20.0 - - + +
291B HIS* 1.3 75.3 - - + +
293B PHE* 1.3 63.1 + - - +
295B LEU* 3.2 7.9 + - - +
296B VAL* 2.7 33.0 + - + +
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Residues in contact with PHE 293 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
289B PRO 2.9 20.3 + - - +
290B ILE* 3.6 5.8 - - + +
291B HIS 3.2 0.2 - - - -
292B ILE* 1.3 77.9 - - + +
294B ILE* 1.3 76.4 + - + +
296B VAL* 3.0 17.6 + - - +
297B GLU* 3.1 40.1 + - + +
308B ALA* 4.2 15.9 - - + -
309B LEU* 5.8 0.2 - - - -
311B SER* 3.7 19.3 - - - -
312B TYR* 3.7 47.8 - + + -
315B CYS* 4.1 14.8 - - - -
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Residues in contact with ILE 294 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
227B LYS* 3.4 33.1 - - + +
290B ILE* 2.9 37.3 + - + +
291B HIS 3.9 1.8 - - - +
293B PHE* 1.3 83.1 - - + +
295B LEU* 1.3 62.6 + - - +
297B GLU* 3.2 21.3 - - - +
298B ALA* 3.2 21.0 + - - +
312B TYR* 4.5 14.1 - - + -
1300B JDC 3.6 46.7 - - + +
----------------------------------------------------------
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Residues in contact with LEU 295 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
227B LYS* 4.3 7.0 - - + +
228B ILE* 4.1 38.4 - - + +
231B PHE* 3.6 46.9 - - + -
291B HIS 3.1 15.7 + - - +
292B ILE* 3.6 5.4 - - + +
293B PHE 3.1 0.8 - - - -
294B ILE* 1.3 76.9 - - - +
296B VAL* 1.3 65.8 + - - +
298B ALA* 3.1 15.0 + - + +
299B LEU* 3.2 32.3 + - + +
----------------------------------------------------------
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Residues in contact with VAL 296 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
292B ILE 2.7 20.4 + - - +
293B PHE* 3.0 6.0 + - + +
295B LEU* 1.3 72.1 - - - +
297B GLU* 1.3 63.2 + - - +
299B LEU* 3.0 11.2 + - - +
300B GLY* 2.9 20.4 + - - -
----------------------------------------------------------
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Residues in contact with GLU 297 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
227B LYS* 3.2 21.6 + - - +
293B PHE* 3.1 38.3 + - + +
294B ILE* 3.2 24.5 - - - +
296B VAL* 1.3 77.0 - - - +
298B ALA* 1.3 66.2 + - - +
300B GLY* 3.0 23.3 - - - +
312B TYR* 5.7 1.3 - - - -
----------------------------------------------------------
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Residues in contact with ALA 298 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
223B ASP* 5.0 3.4 - - - +
224B LEU* 3.8 28.1 - - + +
227B LYS* 3.7 26.0 - - + +
294B ILE 3.2 15.7 + - - +
295B LEU* 3.1 10.3 + - + +
296B VAL 3.1 0.8 - - - -
297B GLU* 1.3 83.8 - - - +
299B LEU* 1.3 61.1 + - + +
300B GLY 4.2 1.7 - - - +
1304B PEG 4.3 12.3 - - - +
----------------------------------------------------------
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Residues in contact with LEU 299 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
224B LEU* 3.4 29.6 - - + -
228B ILE* 4.7 8.5 - - + -
295B LEU* 3.3 29.8 - - + +
296B VAL* 3.0 7.7 + - - +
298B ALA* 1.3 76.3 - - - +
300B GLY* 1.3 65.2 + - - +
1304B PEG 3.2 26.9 + - - +
----------------------------------------------------------
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Residues in contact with GLY 300 (chain B).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
296B VAL 2.9 12.6 + - - -
297B GLU* 3.0 19.6 - - - +
298B ALA 4.2 1.9 - - - +
299B LEU* 1.3 81.1 - - - +
1304B PEG 4.9 5.5 - - - +
----------------------------------------------------------
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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
------------------------------------------------------------
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