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1A_CMVNT
ID   1A_CMVNT                Reviewed;         993 AA.
AC   O40976;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Replication protein 1a;
DE   Includes:
DE     RecName: Full=ATP-dependent helicase;
DE              EC=3.6.4.-;
DE   Includes:
DE     RecName: Full=Methyltransferase;
DE              EC=2.1.1.-;
GN   ORFNames=ORF1a;
OS   Cucumber mosaic virus (strain NT9) (CMV).
OC   Viruses; Riboviria; Orthornavirae; Kitrinoviricota; Alsuviricetes;
OC   Martellivirales; Bromoviridae; Cucumovirus.
OX   NCBI_TaxID=117124;
OH   NCBI_TaxID=3659; Cucumis sativus (Cucumber).
OH   NCBI_TaxID=4081; Solanum lycopersicum (Tomato) (Lycopersicon esculentum).
OH   NCBI_TaxID=3562; Spinacia oleracea (Spinach).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=7503683; DOI=10.1007/bf01384346;
RA   Hsu Y.-H., Wu C.W., Lin B.Y., Chen H.Y., Lee M.F., Tsai C.H.;
RT   "Complete genomic RNA sequences of cucumber mosaic virus strain NT9 from
RT   Taiwan.";
RL   Arch. Virol. 140:1841-1847(1995).
CC   -!- FUNCTION: Involved in the virus replication. Contains a helicase domain
CC       and a methyltransferase domain. The methyltransferase domain is
CC       probably involved in viral RNA capping. Involved in the formation of ER
CC       membrane spherular invaginations in which RNA replication complexes
CC       form (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Interacts with RNA-directed RNA polymerase 2a. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Host endoplasmic reticulum membrane
CC       {ECO:0000250}; Peripheral membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the bromoviridae replication protein 1a family.
CC       {ECO:0000305}.
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DR   EMBL; D28778; BAA21693.1; -; Genomic_RNA.
DR   SMR; O40976; -.
DR   PRIDE; O40976; -.
DR   GO; GO:0044167; C:host cell endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004386; F:helicase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016817; F:hydrolase activity, acting on acid anhydrides; IEA:InterPro.
DR   GO; GO:0008174; F:mRNA methyltransferase activity; IEA:InterPro.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0006396; P:RNA processing; IEA:InterPro.
DR   Gene3D; 3.40.50.300; -; 2.
DR   InterPro; IPR027351; (+)RNA_virus_helicase_core_dom.
DR   InterPro; IPR021002; 1a_necrotic_phenotyp-det_dom.
DR   InterPro; IPR002588; Alphavirus-like_MT_dom.
DR   InterPro; IPR022184; CMV_1a_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF12467; CMV_1a; 1.
DR   Pfam; PF12503; CMV_1a_C; 1.
DR   Pfam; PF01443; Viral_helicase1; 1.
DR   Pfam; PF01660; Vmethyltransf; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS51743; ALPHAVIRUS_MT; 1.
DR   PROSITE; PS51657; PSRV_HELICASE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Helicase; Host endoplasmic reticulum; Host membrane;
KW   Hydrolase; Membrane; Methyltransferase; Nucleotide-binding; Transferase.
FT   CHAIN           1..993
FT                   /note="Replication protein 1a"
FT                   /id="PRO_0000083261"
FT   DOMAIN          72..290
FT                   /note="Alphavirus-like MT"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01079"
FT   DOMAIN          687..838
FT                   /note="(+)RNA virus helicase ATP-binding"
FT   DOMAIN          839..993
FT                   /note="(+)RNA virus helicase C-terminal"
FT   REGION          51..409
FT                   /note="Methyltransferase"
FT   REGION          545..576
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          712..975
FT                   /note="ATP-dependent helicase"
FT   BINDING         714..721
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   993 AA;  111465 MW;  81A63B68BE844CDB CRC64;
     MATSSFNINE LVASHGDKGL LATALVDKTA HEQLEEQLQH QRRGRKVYIR NVLGVKDSEV
     IRNRYGGKYD LHLTQQEFAP HGLAGALRLC ETLDCLDSFP SSGLRQDLVL DFGGSWVTHY
     LRGHNVHCCS PCLGIRDKMR HAERLMNMRK IILNDPQQFD GRQPDFCTHP AADCKVQAHF
     AISIHGGYDM GFRGLCEAMN AHGTTILKGT MMFDGAMMFD DQGVIPELNC QWRKIRTAFS
     ETEDATPLSE KLNSTIFSHV RKFKTMVAFD FINESTMSYV HDWENIKSFL TDQTYSYRGM
     TYGIERCVIH AGIMTYKIIG VPGMCPPELI RHCIWFPSIK DYVGLKIPAS QDLVEWKTVR
     ILTSTLRETE EIAMRCYNDK KAWMEQFKVI LGVLSAKSST IVINGMSMQS GERIDINDYH
     YIGFAILLHT KMKYEQLGKM YDMWNASYIS KWFAALTRPL RVFFSSVVHA LFPTLRPREE
     KEFLIKLSTF VTFNVECSFD GGEEWDVISS AAYVATQAVT DGKVLAAQKA EKLAEKLAQP
     VIEVSDRPEA PSSTPDDTAD VCGKEQEVSE LDSLSAQTRS PITRVAERAT AMLEYAAYEK
     QLHDTTVSNL KRIWNMAGGD DKRNSLEGNL KFVFDTYFTV DPMVNIHFST GRWMRPVPEG
     IVYSVGFNER GLGPKSDGEL YIVNSECVIC NSESLSTVTR SLQAPTGTIS QVDGVAGCGK
     TTAIKSIFEP STDMIVTANK KSAQDVRMAL FKSSDSKEAC TFVRTADSVL LNECPTVSRV
     LVDEVVLLHF GQLCAVMSKL KAVRAICFGD SEQIAFSSRD ASFDMRFSKI IPDETSDADT
     TFRSPQDVVP LVRLMATKAL PKGTHSKYTK WVSQSKVKRS VTSRAIASVT LVDLDSSRFY
     ITMTQADKAS LISRAKEMNL PKTFWNERIK TVHESQGISE DHVTLVRLKS TKCDLFKQFS
     YCLVALTRHK VTFRYEHCGV LNGDLIAECI ARA
 
 
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