ࡱ> ]  bjbjZ!Z!28K4\8K4\(*88///CCC8{4CJ8E "g g g -$\$$$MJOJOJOJOJOJOJLO&OJ/$ $ $"$$OJg g dJ***$@g Rg ]D*$MJ**r3T"4g \V(E4IDzJ0JS4P(P4P/4X$$*$$$$$OJOJ#)f$$$J$$$$P$$$$$$$$$8I : Covalent Molecular Recognition via Iminoboronate ChemistryJianmin GaoDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA 02467, USAMolecular recognition underlies essentially every aspect of biology and selective inhibition of culprit molecules has been the guiding philsophy of medicinal chemistry. In nature, seletive association of molecules are primarily driven by noncovalent interactions, while covalent bond formation has been largely avoided due to the potential difficulty of dissociation. We and others have been developing reversible covalent chemistries, which can give rise to powerful strategies for targeting biomolecules. HYPERLINK \l "_ENREF_1" \o "Bandyopadhyay, 2016 #2268"  ADDIN EN.CITE Bandyopadhyay201622682268226817Bandyopadhyay, A.Gao, J.Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA 02467, United States. Department of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA 02467, United States. Electronic address: jianmin.gao@bc.edu.中国·太阳集团城网站2018(股份)有限公司-Official websiteNature communicationsNature communicationsNat Commun62015Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.Articlehttp://dx.doi.org/10.1038/ncomms756110.1038/ncomms75613 a bacterial lipid reponsible for resistance to cationic antibiotics. The details of these developements will be discussed as well. We thank Boston College, the National Science Foundation and the National Institutes of Health for financial support.References ADDIN EN.REFLIST  (1) Bandyopadhyay, A.; Gao, J. "Targeting biomolecules with reversible covalent chemistry" Curr Opin Chem Biol 2016, 34, 110-116. (2) Bandyopadhyay, A.; Gao, J. "Iminoboronate-Based Peptide Cyclization That Responds to pH, Oxidation, and Small Molecule Modulators" J Am Chem Soc 2016, 138, 2098-2101. (3) Bandyopadhyay, A.; McCarthy, K. A.; Kelly, M. A.; Gao, J. "Targeting bacteria via iminoboronate chemistry of amine-presenting lipids" Nature communications 2015, 6.6561. 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[ @VerdanaG= |8FangSong_GB2312;WingdingsA$BCambria Math"1ZG_2['f( +( +!S4 3qHP ?2!xx HC:\Documents and Settings\Administrator\Lhb\2002_essay_dot\2001_essay.dot/The 9th Sino-US Chemistry Professors Conferencezqu jin    Oh+'04 $0 P \ ht0The 9th Sino-US Chemistry Professors Conferencez2001_essay.dotqu jin4Microsoft Office Word@@ ^v@ML@bV(G Rt T  a.@Times New Roman--- 2 :c  c- @ !>7- ''@Times New Roman--- 2 /9c  3! 2 /!31 2 /!3  'l --$$TxTx$$--'Oy)@Times New Roman------ 2 9")yOThe Gao Group   --- 2 9)yO  Oy)- @ !QN - '''Y--${${TT${$--'O){@Times New Roman--- 2 6 {)OChemistry   2 6{)O  O){''@Times New Roman- - - --- 2 I{)OBoston Colleg   2 I{)Oe- - -  2 I{)O  O){- @ !zN- '''@Times New Roman- - -  2 w9 cCovalent    2 w cMolecular    2 w cRecognition   2 wc  2 wcvia    2 wcIminoboronate     2 wr cChemistry    2 wc  @Times New Roman- - -  2 W cJianmin Gao     2 c  @Times New Roman- - -  2 \YcDepartment of Chemistry, Boston College, 2609 Beacon Street, Chestnut Hill, MA 02467, USA             2 c  --- V2 92cMolecular recognition underlies essentially every     %2 caspect of biology     2 c  /2 cand selective inhibition   2 c  2 co  2  cf culprit    2 9dcmolecules has been the guiding philsophy of medicinal chemistry. In nature, seletive association of             2 9 cmolecules  2 yc  2 care  (2 cprimarily driven by   2 c  ;2 & cnoncovalent interactions, while      2 cc ;2  covalent bond formation has been      @Times New Roman------ #2 9clargely avoided   :2 cdue to the potential difficulty    2 oc  #2 vcof dissociation.    2 c  @2 #cWe and others have been developing     @Times New Roman------------ 2 #9 creversible--- 2 #yc  52 #ccovalent chemistries, which    #2 #;ccan give rise to 2 #c  R2 #/cpowerful strategies for targeting biomolecules.   --- 2 c1--- 2 #c   q2 69DcSpecifcially, we have been investigating the iminoboronate chemistry        2 6c  D2 6&cwith the goal of targeting biological       2 H9camines  2 Hec.  2 HncI 2 Ht cn contrast  2 Hc  2 Hcto 2 Hc  2 H cimines (Sch   &2 Hciff bases), which   2 H ctypically   2 Hcdo not   2 Hcform   2 H c  2 Hcin water  2 HDc, 2 HHc  .2 HMciminoboronates exhibit     C2 [9%cmuch improved thermodynamic stability        S2 [?0c, making it suitable for biological applications         2 [jc. 2 [nc  (2 [scIn this seminar, I     2 m9cwill present d    /2 mcetailed characterziation   2 m8cs 2 m>c   2 mIcof the dynamic     2 mc  ,2 mciminiboronte formation       2 m\c  &2 mhcunder physiologic      2 9 cconditions.    2  cBiological a    2  cpplication   2 cs 2 c  :2 cof the iminoboronate chemistry      C2 %chave been explored in our laboratory        L2 9+cin the context of antibiotics development.       S2 \0cSpecifically, we have reported the iminoboronate         2 c- 2 cenabled   ------------ ,2 9cpeptide bicyclization,  --- 2 c2--- 2 c  L2 +cas well as the covalent modification of Lys        2 c- 2 cPG, --- 2 c3--- 2 c  =2 !ca bacterial lipid reponsible for       M2 9,cresistance to cationic antibiotics. The deta  2 E cils of these 2 c  :2 cdevelopements will be discussed    2 ]c  2 d cas well.   2 c   c,--"Systemu @ ~Gu@Ju$  @ - ."System---- . 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DFHJKMMNNNMMKJHFDBA?=<;;;;;<=?AB D----F%! DFHJKMMNNNMMKJHFDBA?=<;;;;;<=?AB D----F%!'09BKT^hr{ $+---- $2/02----<$5543221000012233333333444555----2%55431000122333334445555----%---- $----8$----8%-- .Arial-2 e Bacterial   - .-2 Cell -'--- .."System---J$#7&766F7V7f7v88776777887AAAAA@@@AAvAfAVAF@6@&@A7--'' "Systemu @ ~Gu@Ju4 @ -'--%&0,4----% 37-- .Arial- 2 fP- .- 2 fO---%hi-- .- 2 XO---%d ` -- .- 2 aO---%gf-- .- 2 rO---%lq----%kp-- .- 2 OR---%X U----%kq----$``dd`-- .- 2 .NH---%|$(-- .- 2 |NH- .Arial- 2 2---%|$~-- .Arial- 2 )mN- .- 2 0mH- .Arial- 2 2s2---%|$t%----%z!s#----$o"o#q#q"o"----$p!p$q$q!p!----%06----%m"l#----%l j!----%ji ----%ih----%|{----%yx----%----%----%----%----%----%----%----%----%-- .Arial- 2 HN---%----%----%----%  ----%----%----%5----%-1----%D>--''-'"Arial-.  2 _F"System-''"Calibri-. "2 _XHydrophobic Effect -''"Arial-.  2 qF-''"Calibri-. .2 qXElectrostatic Interactions-''"Arial-.  2 F-''"Calibri-. 02 XReversible Covalent Binding-''''-''--- 2 .c  @Times New Roman--- 2 9c   2 9ucWe thank Boston College, the National Science Foundation and the National Institutes of Health for financial support.     2 c  @Times New Roman--- 2 9cReferen  2 ecce 2 qcs 2 wc  ---@Times New Roman---@Times New Roman--------- 2 9c  2 Uc(1) 2 cc  M2 r,cBandyopadhyay, A.; Gao, J. "Targeting biomol  L2 ?+cecules with reversible covalent chemistry"  --- (2 cCurr Opin Chem Biol--- 2 Sc --- 2 Uc2016--- 2 kc, --- 2 pc34--- 2 {c, 110 2 c- 2 c116. 2 c  ------ 2 9c  2 Uc(2) 2 cc  I2 r)cBandyopadhyay, A.; Gao, J. "Iminoboronate  2 3c- 2 7YcBased Peptide Cyclization That Responds to pH, Oxidation, and Small Molecule Modulators"    --- 2 cJ Am   --------- 2 9cChem Soc --- 2 gc --- 2 ic2016--- 2 c, --- 2 c138--- 2 c, 2098 2 c- 2 c2101. 2 c  ------ 2 9c  2 Uc( 2 Yc3) 2 cc  2 rrcBandyopadhyay, A.; McCarthy, K. A.; Kelly, M. A.; Gao, J. "Targeting bacteria via iminoboronate chemistry of amine      2 rc- (2 ucpresenting lipids" --- 2 cNature  ------------  2 #9ccommunications --- 2 #c --- 2 #c2015--- 2 #c, --- 2 #c6--- 2 #c.6561.  2 #c   2 ;9c   2 Q9c  ----ccbbaa՜.+,D՜.+,|8 hp  $WILEY-VCH Verlag GmbH & Co. KGaA+  0The 9th Sino-US Chemistry Professors Conference Title$ 8@ _PID_HLINKSA B  _ENREF_3 C _ENREF_2 @ _ENREF_1  !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuwxyz{|}~Root Entry FoVData d1TableMPWordDocument2SummaryInformation(vdDocumentSummaryInformation8CompObjn  FMicrosoft Word 97-2003 ĵ MSWordDocWord.Document.89q