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SARS-CoV nucleocapsid protein binds to hUbc9, a ubiquitin conjugating enzyme of the sumoylation system

Identifieur interne : 000536 ( PascalFrancis/Curation ); précédent : 000535; suivant : 000537

SARS-CoV nucleocapsid protein binds to hUbc9, a ubiquitin conjugating enzyme of the sumoylation system

Auteurs : ZHENG FAN [République populaire de Chine] ; YUE ZHUO [République populaire de Chine] ; XINYU TAN [République populaire de Chine] ; ZHI ZHOU [République populaire de Chine] ; JIANGANG YUAN [République populaire de Chine] ; BOQIN QIANG [République populaire de Chine] ; JINGHUA YAN [République populaire de Chine] ; XIAOZHONG PENG [République populaire de Chine] ; George F. Gao [République populaire de Chine]

Source :

RBID : Pascal:06-0482826

Descripteurs français

English descriptors

Abstract

SARS-CoV is a newly identified coronavirus (CoV) that causes severe acute respiratory syndrome (SARS). The SARS-CoV nucleocapsid (N) protein is an important structural and functional protein. To identify cellular proteins that interact with the SARS-CoV N protein and to elucidate the possible involvement of N protein in SARS-CoV pathogenesis, a human lymphocyte cDNA library was screened using a yeast two-hybrid system assay. hUbc9, a ubiquitin conjugating enzyme of sumoylation system, was found to interact specifically with the N protein, implying the post-translational sumoylation of the N protein. Mapping studies localized the critical N sequences for this interaction to amino acids 170-210, which includes the SR-rich motif. However, the consensus motif of sumoylation GK62EE in the N protein is not responsible for binding to hUbc9. Mutations of hUbc9 at the enzyme active site C93A or C93S severely impairthe interaction with the N protein. The two proteins were also shown to colocalize in the cytoplasm of the transfected 293T cells. This is the first report demonstrating the interaction of hUbc9 with a structural protein of plus-strand RNA viruses, indicating a new drug target for SARS-CoV.
pA  
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A02 01      @0 JMVIDB
A03   1    @0 J. med. virol.
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A08 01  1  ENG  @1 SARS-CoV nucleocapsid protein binds to hUbc9, a ubiquitin conjugating enzyme of the sumoylation system
A11 01  1    @1 ZHENG FAN
A11 02  1    @1 YUE ZHUO
A11 03  1    @1 XINYU TAN
A11 04  1    @1 ZHI ZHOU
A11 05  1    @1 JIANGANG YUAN
A11 06  1    @1 BOQIN QIANG
A11 07  1    @1 JINGHUA YAN
A11 08  1    @1 XIAOZHONG PENG
A11 09  1    @1 GAO (George F.)
A14 01      @1 Center for Molecular Virology, Institute of Microbiology, Chinese Academy of Sciences @2 Beijing @3 CHN @Z 1 aut. @Z 2 aut. @Z 4 aut. @Z 7 aut. @Z 9 aut.
A14 02      @1 Department of Biochemistry, Anhui Agricultural University @2 Hefei @3 CHN @Z 2 aut.
A14 03      @1 National Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College @2 Beijing @3 CHN @Z 3 aut. @Z 5 aut. @Z 6 aut. @Z 8 aut.
A14 04      @1 College of Veterinary Medicine, China Agricultural University @2 Beijing @3 CHN @Z 4 aut.
A20       @1 1365-1373
A21       @1 2006
A23 01      @0 ENG
A43 01      @1 INIST @2 17422 @5 354000157221510010
A44       @0 0000 @1 © 2006 INIST-CNRS. All rights reserved.
A45       @0 29 ref.
A47 01  1    @0 06-0482826
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of medical virology
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C01 01    ENG  @0 SARS-CoV is a newly identified coronavirus (CoV) that causes severe acute respiratory syndrome (SARS). The SARS-CoV nucleocapsid (N) protein is an important structural and functional protein. To identify cellular proteins that interact with the SARS-CoV N protein and to elucidate the possible involvement of N protein in SARS-CoV pathogenesis, a human lymphocyte cDNA library was screened using a yeast two-hybrid system assay. hUbc9, a ubiquitin conjugating enzyme of sumoylation system, was found to interact specifically with the N protein, implying the post-translational sumoylation of the N protein. Mapping studies localized the critical N sequences for this interaction to amino acids 170-210, which includes the SR-rich motif. However, the consensus motif of sumoylation GK62EE in the N protein is not responsible for binding to hUbc9. Mutations of hUbc9 at the enzyme active site C93A or C93S severely impairthe interaction with the N protein. The two proteins were also shown to colocalize in the cytoplasm of the transfected 293T cells. This is the first report demonstrating the interaction of hUbc9 with a structural protein of plus-strand RNA viruses, indicating a new drug target for SARS-CoV.
C02 01  X    @0 002A05C10
C02 02  X    @0 002B05C02J
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C03 01  X  ENG  @0 Coronavirus @2 NW @5 01
C03 01  X  SPA  @0 Coronavirus @2 NW @5 01
C03 02  X  FRE  @0 Nucléocapside @5 05
C03 02  X  ENG  @0 Nucleocapsid @5 05
C03 02  X  SPA  @0 Nucleocápside @5 05
C03 03  X  FRE  @0 Protéine @5 06
C03 03  X  ENG  @0 Protein @5 06
C03 03  X  SPA  @0 Proteína @5 06
C03 04  X  FRE  @0 Ubiquitine @5 07
C03 04  X  ENG  @0 Ubiquitin @5 07
C03 04  X  SPA  @0 Ubiquitina @5 07
C03 05  X  FRE  @0 Enzyme @2 FE @5 08
C03 05  X  ENG  @0 Enzyme @2 FE @5 08
C03 05  X  SPA  @0 Enzima @2 FE @5 08
C03 06  X  FRE  @0 Syndrome respiratoire aigu sévère @2 NM @5 14
C03 06  X  ENG  @0 Severe acute respiratory syndrome @2 NM @5 14
C03 06  X  SPA  @0 Síndrome respiratorio agudo severo @2 NM @5 14
C07 01  X  FRE  @0 Coronaviridae @2 NW
C07 01  X  ENG  @0 Coronaviridae @2 NW
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C07 02  X  FRE  @0 Nidovirales @2 NW
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C07 02  X  SPA  @0 Nidovirales @2 NW
C07 03  X  FRE  @0 Virus @2 NW
C07 03  X  ENG  @0 Virus @2 NW
C07 03  X  SPA  @0 Virus @2 NW
C07 04  X  FRE  @0 Appareil respiratoire pathologie @5 13
C07 04  X  ENG  @0 Respiratory disease @5 13
C07 04  X  SPA  @0 Aparato respiratorio patología @5 13
C07 05  X  FRE  @0 Virose
C07 05  X  ENG  @0 Viral disease
C07 05  X  SPA  @0 Virosis
C07 06  X  FRE  @0 Infection
C07 06  X  ENG  @0 Infection
C07 06  X  SPA  @0 Infección
C07 07  X  FRE  @0 Poumon pathologie @5 16
C07 07  X  ENG  @0 Lung disease @5 16
C07 07  X  SPA  @0 Pulmón patología @5 16
N21       @1 317
N44 01      @1 OTO
N82       @1 OTO

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Pascal:06-0482826

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<div type="abstract" xml:lang="en">SARS-CoV is a newly identified coronavirus (CoV) that causes severe acute respiratory syndrome (SARS). The SARS-CoV nucleocapsid (N) protein is an important structural and functional protein. To identify cellular proteins that interact with the SARS-CoV N protein and to elucidate the possible involvement of N protein in SARS-CoV pathogenesis, a human lymphocyte cDNA library was screened using a yeast two-hybrid system assay. hUbc9, a ubiquitin conjugating enzyme of sumoylation system, was found to interact specifically with the N protein, implying the post-translational sumoylation of the N protein. Mapping studies localized the critical N sequences for this interaction to amino acids 170-210, which includes the SR-rich motif. However, the consensus motif of sumoylation GK
<sup>62</sup>
EE in the N protein is not responsible for binding to hUbc9. Mutations of hUbc9 at the enzyme active site C93A or C93S severely impairthe interaction with the N protein. The two proteins were also shown to colocalize in the cytoplasm of the transfected 293T cells. This is the first report demonstrating the interaction of hUbc9 with a structural protein of plus-strand RNA viruses, indicating a new drug target for SARS-CoV.</div>
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<fA05>
<s2>78</s2>
</fA05>
<fA06>
<s2>11</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG">
<s1>SARS-CoV nucleocapsid protein binds to hUbc9, a ubiquitin conjugating enzyme of the sumoylation system</s1>
</fA08>
<fA11 i1="01" i2="1">
<s1>ZHENG FAN</s1>
</fA11>
<fA11 i1="02" i2="1">
<s1>YUE ZHUO</s1>
</fA11>
<fA11 i1="03" i2="1">
<s1>XINYU TAN</s1>
</fA11>
<fA11 i1="04" i2="1">
<s1>ZHI ZHOU</s1>
</fA11>
<fA11 i1="05" i2="1">
<s1>JIANGANG YUAN</s1>
</fA11>
<fA11 i1="06" i2="1">
<s1>BOQIN QIANG</s1>
</fA11>
<fA11 i1="07" i2="1">
<s1>JINGHUA YAN</s1>
</fA11>
<fA11 i1="08" i2="1">
<s1>XIAOZHONG PENG</s1>
</fA11>
<fA11 i1="09" i2="1">
<s1>GAO (George F.)</s1>
</fA11>
<fA14 i1="01">
<s1>Center for Molecular Virology, Institute of Microbiology, Chinese Academy of Sciences</s1>
<s2>Beijing</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>9 aut.</sZ>
</fA14>
<fA14 i1="02">
<s1>Department of Biochemistry, Anhui Agricultural University</s1>
<s2>Hefei</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03">
<s1>National Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College</s1>
<s2>Beijing</s2>
<s3>CHN</s3>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="04">
<s1>College of Veterinary Medicine, China Agricultural University</s1>
<s2>Beijing</s2>
<s3>CHN</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA20>
<s1>1365-1373</s1>
</fA20>
<fA21>
<s1>2006</s1>
</fA21>
<fA23 i1="01">
<s0>ENG</s0>
</fA23>
<fA43 i1="01">
<s1>INIST</s1>
<s2>17422</s2>
<s5>354000157221510010</s5>
</fA43>
<fA44>
<s0>0000</s0>
<s1>© 2006 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>29 ref.</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>06-0482826</s0>
</fA47>
<fA60>
<s1>P</s1>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Journal of medical virology</s0>
</fA64>
<fA66 i1="01">
<s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>SARS-CoV is a newly identified coronavirus (CoV) that causes severe acute respiratory syndrome (SARS). The SARS-CoV nucleocapsid (N) protein is an important structural and functional protein. To identify cellular proteins that interact with the SARS-CoV N protein and to elucidate the possible involvement of N protein in SARS-CoV pathogenesis, a human lymphocyte cDNA library was screened using a yeast two-hybrid system assay. hUbc9, a ubiquitin conjugating enzyme of sumoylation system, was found to interact specifically with the N protein, implying the post-translational sumoylation of the N protein. Mapping studies localized the critical N sequences for this interaction to amino acids 170-210, which includes the SR-rich motif. However, the consensus motif of sumoylation GK
<sup>62</sup>
EE in the N protein is not responsible for binding to hUbc9. Mutations of hUbc9 at the enzyme active site C93A or C93S severely impairthe interaction with the N protein. The two proteins were also shown to colocalize in the cytoplasm of the transfected 293T cells. This is the first report demonstrating the interaction of hUbc9 with a structural protein of plus-strand RNA viruses, indicating a new drug target for SARS-CoV.</s0>
</fC01>
<fC02 i1="01" i2="X">
<s0>002A05C10</s0>
</fC02>
<fC02 i1="02" i2="X">
<s0>002B05C02J</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE">
<s0>Coronavirus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG">
<s0>Coronavirus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA">
<s0>Coronavirus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE">
<s0>Nucléocapside</s0>
<s5>05</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG">
<s0>Nucleocapsid</s0>
<s5>05</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA">
<s0>Nucleocápside</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE">
<s0>Protéine</s0>
<s5>06</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG">
<s0>Protein</s0>
<s5>06</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA">
<s0>Proteína</s0>
<s5>06</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE">
<s0>Ubiquitine</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG">
<s0>Ubiquitin</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA">
<s0>Ubiquitina</s0>
<s5>07</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE">
<s0>Enzyme</s0>
<s2>FE</s2>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG">
<s0>Enzyme</s0>
<s2>FE</s2>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA">
<s0>Enzima</s0>
<s2>FE</s2>
<s5>08</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Syndrome respiratoire aigu sévère</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Severe acute respiratory syndrome</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Síndrome respiratorio agudo severo</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE">
<s0>Appareil respiratoire pathologie</s0>
<s5>13</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG">
<s0>Respiratory disease</s0>
<s5>13</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA">
<s0>Aparato respiratorio patología</s0>
<s5>13</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE">
<s0>Virose</s0>
</fC07>
<fC07 i1="05" i2="X" l="ENG">
<s0>Viral disease</s0>
</fC07>
<fC07 i1="05" i2="X" l="SPA">
<s0>Virosis</s0>
</fC07>
<fC07 i1="06" i2="X" l="FRE">
<s0>Infection</s0>
</fC07>
<fC07 i1="06" i2="X" l="ENG">
<s0>Infection</s0>
</fC07>
<fC07 i1="06" i2="X" l="SPA">
<s0>Infección</s0>
</fC07>
<fC07 i1="07" i2="X" l="FRE">
<s0>Poumon pathologie</s0>
<s5>16</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG">
<s0>Lung disease</s0>
<s5>16</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA">
<s0>Pulmón patología</s0>
<s5>16</s5>
</fC07>
<fN21>
<s1>317</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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