ࡱ> 9;8q` RbjbjqPqP2$::*6 6 6 6 $Z .t*r N N N N N N N $h N N N N .sss ZN N s sssN f ̡6 .sD0tsG"ssL4N ^s0 L| CN N N i N N N t ...2...2& Title:Protein preparation, crystallization and preliminary X-ray crystallographic analysis of Smu.260 from Streptococcus mutans - a cariogenic dental pathogen Author(s): HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Zhang+XY&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Zhang XY,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Mi+W&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Mi W,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Zhou+YF&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Zhou YF,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Liu+XY&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Liu XY,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Li+LF&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Li LF,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Liang+YH&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Liang YH,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Wei+SC&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Wei SC,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=OneClickSearch&field=AU&val=Su+XD&curr_doc=12/2&Form=FullRecordPage&doc=12/2" \o "one-click search" Su XD Source:PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS 32 (3): 217-220 MAR 2005 Document Type:Article Language:English  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z42gbC@C47B3DmNLDND&Func=PagedCitedRefList&UT=000227789000005&doc=12/2&rec_id=143514587" Cited References: 9 Times Cited: 0  HYPERLINK "weishicheng2005.pdf" \t "_blank"  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/Links/WOK3/Generic_Src.gif" \* MERGEFORMATINET  Abstract:Smu.260 encodes a putative protein of 200 residues in Streptococcus mutans, a primary pathogen for human dental caries. Smu.260 was cloned into expression vector pET28a and expressed in good amount from the E.coli strain BL21 (DE3). Smu.260 protein was purified to homogeneity in a two-step procedure of Ni2+ chelating and size exclusion chromatography. The purified protein exists in two forms, a dimer form about 46 ku with yellow color and a tetramer form without apparent color. Crystals were obtained from the dimer protein by hanging-drop vapor-diffusion method. The crystals diffracted to about 2.3 angstrom resolution and belong to orthorhombic space group P2(1)2(1)2(1) with cell dimensions of a = 89.88 angstrom, b = 90.91 angstrom, c = 105.17 angstrom. The asymmetric unit is expected to contain two dimers with solvent content of 53%. Author Keywords:Streptococcus mutans; dental caries; Smu.260; protein crystallography KeyWords Plus:SEQUENCE Addresses:Su XD (reprint author), Peking Univ, Natl Lab Prot Engn & Plant Genet Engn, Beijing, 100871 Peoples R China Peking Univ, Natl Lab Prot Engn & Plant Genet Engn, Beijing, 100871 Peoples R China Peking Univ, Coll Life Sci, Dept Biochem & Mol Biol, Beijing, 100871 Peoples R China Peking Univ, Sch Stomatol, Beijing, 100081 Peoples R China E-mail Addresses: HYPERLINK "mailto:su-xd@pku.edu.cn" su-xd@pku.edu.cn Publisher:SCIENCE CHINA PRESS, 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA Subject Category:BIOCHEMISTRY & MOLECULAR BIOLOGY; BIOPHYSICS IDS Number:908LR ISSN:1000-3282 c d l m o p " # ' ( * + ^ _ d e g h   ' ( жККККiККiККiККiККi,h {+h {+>*B*CJKHOJQJ^Jph2h {+h {+5>*B*CJKHOJQJ\^Jph6jh {+h {+B*CJKHOJQJU^JaJph3h {+h {+5B*CJKHOJQJ\^JaJph-h {+h {+B*CJKHOJQJ^JaJph/h {+h {+5B*CJKHOJQJ\^Jph)C\dgd {+ $1$a$gd {+ $1$9Da$gd {+( * + ̵̵iS*hX.B*CJKHOJQJ^JaJo(ph2h {+h {+5>*B*CJKHOJQJ\^Jph3h {+h {+5B*CJKHOJQJ\^JaJph/h {+h {+5B*CJKHOJQJ\^Jph,h {+h {+>*B*CJKHOJQJ^Jph6jh {+h {+B*CJKHOJQJU^JaJph-h {+h {+B*CJKHOJQJ^JaJph CQ\f뫛lTlTlTlTl87hZh {+5B*CJKHOJQJ\^JmHphsH/h {+h {+5B*CJKHOJQJ\^Jph-h {+h {+B*CJKHOJQJ^JaJph.jhrhX.B*CJOJQJUaJphhX.B*CJOJQJaJph(jhX.B*CJOJQJUaJph4jhZhZB*CJOJQJUaJphhZB*CJOJQJaJph(jhZB*CJOJQJUaJphduȭ~~~~vh {+h}o(-h {+h {+B*CJKHOJQJ^JaJph/h {+h {+5B*CJKHOJQJ\^Jph4hZh {+>*B*CJKHOJQJ^JmHphsH6jh {+h {+B*CJKHOJQJU^JaJph5hZh {+B*CJKHOJQJ^JaJmHphsH0182P. 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