A0A2D1CKH3 · A0A2D1CKH3_9POTV

Function

function

Has helicase activity. It may be involved in replication.
Involved in aphid transmission, cell-to-cell and systemis movement, encapsidation of the viral RNA and in the regulation of viral RNA amplification.
Mediates the cap-independent, EIF4E-dependent translation of viral genomic RNAs. Binds to the cap-binding site of host EIF4E and thus interferes with the host EIF4E-dependent mRNA export and translation. VPg-RNA directly binds EIF4E and is a template for transcription. Also forms trimeric complexes with EIF4E-EIF4G, which are templates for translation.

Catalytic activity

  • Hydrolyzes a Gly-|-Gly bond at its own C-terminus, commonly in the sequence -Tyr-Xaa-Val-Gly-|-Gly, in the processing of the potyviral polyprotein.
    EC:3.4.22.45 (UniProtKB | ENZYME | Rhea)
  • Hydrolyzes glutaminyl bonds, and activity is further restricted by preferences for the amino acids in P6 - P1' that vary with the species of potyvirus, e.g. Glu-Xaa-Xaa-Tyr-Xaa-Gln-|-(Ser or Gly) for the enzyme from tobacco etch virus. The natural substrate is the viral polyprotein, but other proteins and oligopeptides containing the appropriate consensus sequence are also cleaved.
    EC:3.4.22.44 (UniProtKB | ENZYME | Rhea)

Features

Showing features for active site.

TypeIDPosition(s)Description
Active site1008For helper component proteinase activity
Active site1081For helper component proteinase activity

GO annotations

AspectTerm
Cellular Componenthelical viral capsid
Cellular Componenthost cell cytoplasmic vesicle
Cellular Componenthost cell nucleus
Molecular FunctionATP binding
Molecular Functioncysteine-type endopeptidase activity
Molecular Functionhelicase activity
Molecular Functionhydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
Molecular FunctionRNA binding
Molecular FunctionRNA-dependent RNA polymerase activity
Molecular Functionstructural molecule activity
Biological ProcessDNA-templated transcription
Biological Processproteolysis
Biological Processsymbiont-mediated suppression of host innate immune response
Biological Processviral RNA genome replication
Biological Processviral translational frameshifting
Biological Processvirus-mediated perturbation of host defense response

Keywords

Names & Taxonomy

Protein names

  • Recommended name
    Genome polyprotein

Organism names

  • Taxonomic identifier
  • Strain
    • Aus12D
  • Taxonomic lineage
    Viruses > Riboviria > Orthornavirae > Pisuviricota > Stelpaviricetes > Patatavirales > Potyviridae > Potyvirus > Potyvirus batataplumei

Accessions

  • Primary accession
    A0A2D1CKH3

Subcellular Location

Keywords

PTM/Processing

Keywords

Family & Domains

Features

Showing features for domain, region, compositional bias.

Type
IDPosition(s)Description
Domain521-664Peptidase S30
Domain1000-1122Peptidase C6
Domain1598-1750Helicase ATP-binding
Domain1769-1928Helicase C-terminal
Domain2415-2633Peptidase C4
Domain2899-3023RdRp catalytic
Region3178-3251Disordered
Compositional bias3179-3189Basic and acidic residues
Compositional bias3192-3205Pro residues
Compositional bias3235-3245Basic and acidic residues

Sequence similarities

Belongs to the potyviridae genome polyprotein family.

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    3,493
  • Mass (Da)
    393,936
  • Last updated
    2018-01-31 v1
  • MD5 Checksum
    43DC20A0DC0BAF53B7F2D6927433F364
MATVMASAKPAGKRKLTWKECCNKWGRAAMEQQQQQQSKKTVHLGRDHLAAYLLAFVPETEWHKYYYGSRGGPSPALLVLKGAIEHGEVYKWESELTFCAECDDVLDGHNCDSCGHRHIKRDDNIADNMNAIARALGGYDAYYASNWAVYETAKYELDQVAPTAGMLYKQAKEAEKLLGKRPTKREIQEVEDLWAEYEEAAAREAAEASKASNGHATSEVANKNAYLSDEEDDEAFPPLVVTVEKVVSATTIIESTPEAGKTIEVQTPLEPVPDVLTATTFVEAIIEGKDAPTGSIQFGTIVCALEPTKASEAEIAKEPTTGFFFGAIPAIVPLPTIPLLKLESTIVESIATPMVEVTSSEITKVPIATPTEVEKASKAPLPKHLYPWTAKTQTPGEVHHKMVRKWVQKTQQAAAEKEKLVWKKLDEQLATRNEIRKDLKVKWRWGLYRLVKKTRKDNQRQRRQRRMEKEQQLLMAMPPQVLTGISIAGGPSASLEMTQTPNGKIFCTPSMKKKKTLKSPKLTQEKIYELTQAVLKIACRKRMSIELVDKKSTKGQYKKFQGANYLFLHLKHMEGLRESVDLRIHTTTQNLVLQAAKVGAWKRTVKTTMLSKGSSGLVLNPDKLLGPRGHAPHGMLVVRGALRGVLYDARMKLGRSVLPYIIQYSSTMERFLSGFDNKFKQMRQTDLNHVCESSYDAEQAGFVAAISHHMLYPMGRTTCKFCINNVEDMSRDEWCEYVRSFISRNKILCQSEYKNFVHLPQIMDFLSDSLVNTNKNLKAFNEIQNLIGDRTDAPFTSVCEVNKVLVKGGRAKPDELIKASENLLEVARYLKNRTENIKKGSLQSFRNKISQKSSVNLALMCDNQLDKNGNLIWGERGYHSKRFFANYFDVIDPSQGYEKYVIRENPNGSRKLAIGKLIVSTNFSVFREQMKGEPIQKQKLDNHCTSLRDGNFVYPCCCVTLDDGQPLESEFKLPTKNHLVIGNSGDPKYVDMPPEISKKMYIAKDGYCYVNIFLAMLVNVNEAEAKDFTKQVRDVLMEKLGKWPTMFDVATACAFMSVFYPETRNAELPRILVDHSTKTMHVVDSFGSLSTGYHVLKANTVSQLIQFSSSSLESEMKHYIVGGVTALPDVQERCIRTIIKGVYKPDVMYTILSEDPYALLLSVMSPRILLALLNSGSLDRSMEAWITEDQEVAVIIGTLQELAKKVSTSRVLEKQLKVIESQAHTLLFDPAFVRSRTPSFALSQKIIRGLAEGRESNRVLYEQGHSIASYAASHELMEKIWDRLLKEEYEGLPWHGKCAQIMRSSKRACGLLSIPTWPKIGALSDRATDLCTTLHTKSVTFKNTCRNGVVQRIADAHIKCVRTIMRTSLAAIKFAIPDVLKFVNMLLVINLLLQIAKVARDMSMKHRQAQIDLNAYLFDQEIDKVNVIYDAYCLKIGGEPTMDEFLGHVEYINPTLSGTAKWLCYTADMEVEHQGKSRKEMQYERIIAFVSLLLMIVDSEKSDCVYKILQKLKGLMGTINNDVYHQSLDDITNVLEEKNLTVDFELQSGEHPTNPCTDSTFDEWWRKQIETNNTITHYRTEGVFIEFTRSNAVSVVNNIATIDAKDILIRGAVGSGKSTGLPFYLSRKGRVLLLEPTRPLAENVHRQLGGEPFMIQATLRMRGLTVFGSHPINIMTTGFAFHYYANNPEQIGEYDFIMFDECHVHDSQAMAFRCLLKEHEFKGKILKTSATPPGREVEFTTQYPVQIKVEERLSFKAFVEAQGTGSNADVVTIADNILVYVASYNEVDELSRMLVEANYKVTKVDGRTMKVGNVEIQTCGSPQKKHFIVATNIIENGVTLDIEAVVDFGTKVTAYLDVDLRALHMSKGPISYGERIQRLGRVGRNKAGVALRIGFTEKGLTEIPQTTATEAAFLCFAYGLPVMTPNVSTSLLSTCTVKQARTMLQFELTPFYMVNMVRYDGSMHPAIHSILKKYKLRDAETDLNKMAIPNRGVTGWLSVGEYAKSGKRMDIDDSVRIPFLNPSMPERLHVDIWDAITKYKHEAGFGRISCINSCKVAYTLQTDLYAIPRTIKIIDALIADEMRKKEHYKTITGRTVSSSSFTLNSIATLWRNRYAQDYTSENIAVLSSVRSQLLEFENLSVDSSFNCMGEAALRAYVRETGATSCVLHQTKDSLSKHLRLKGVWNKSVITQDLFILAGVFAGGLWMIMAGLKESFDQTVLHQGKEKRQMQKLKFRKARDNKLGFEVHADDGTIEHFFGSAYTKKGKQKGKVTGMGSKNRKFINMYGFDPTEYSFVRFVDPLTGAVIDDSPYTDIFLVQEKIGEARLNAIKEDELSREKVAQNPGIHAYYINEITNAALRVDLTPHNPLLACERHSTIAGYPEYEGVLRQTGNPIKMTLNDVPENPEETSLVGHESKSLFRGLRDYNPIASVICHLVNEADGRTSDCFGIGYGGLIVTNRHLFKRNNGTLTIRSRHGEFVIKNTTQLGMKPCADRDILIIRMPKDIPPFPQRLKFRVPKENERICLVGSNFQDKSITSTISETSVTCHVPNSHFWKHWIDTKDGHCGLPLVSTTDGALLGVHSLSNLTNTQNFFASFPENFEVDYLKTPEAMDWIKKWSYNPDEICWGTLELKTGQPIAPFKVSKLITDLEGIQVYAQTRSDRWVQDRLYGNLKAVGQCPAQLVTKHVVKGKCMLFDLYLQQDQSEKEYFKPLMGAYGKSRLNKEAYNKDLFKYATQIQAGDVQVDVFELAERSVVSMLTAKGFGKCNYITDPEEILKALNMKAAVGAMYSGKKKDYFEGMSDHDVEDHLFHSCKRLFMGYKGLWNGSLKAELRPMEKVELNKTRTFTAAPLDTLLGGKVCVDDFNNMFYNHHLKCPWTVGITKFYRGWDRLLTSLPEGWIYCDADGSQFDSSLSPYLINSVLNIRREFMEDWDVGDQMLRNLYTEIVYTPILTPDGTIVKKFKGNNSGQPSTVVDNTLMVVLAVHYTLLKLGVQESEFDECCIFFANGDDLLLAMRPDTAHLLDKFSECFSELGLNYDFSSRTSNKEELWFMSHCGVKREGIFIPKLEPERIVSILEWDRSHEPIHRLEAICAAMVESWGYDELLHHIRKFYAWVLDQAPYNELARSGKAPYIAETALKALYTGVQPSASELSAYAKVLNEMYDDSVLQENELEVYHQSSERTEFKDAGADPPAPKPKNIPPPPTITEVTDPEDPRQAALKAARAKQPATIPESYGRDTSKEKESIVGASSKGVRDKDVNVGTVGTFVVPRVKMNANKKRQPMVNGRAIINFQHLSTYEPEQFEVANTRSTQEQFQAWYEGVKGDYGVDDTEMGILLNGLMVWCIENGTSPNINGVWTMMDGDEQVTYPIKPLLDHAVPTFRQIMTHFSDVAEAYIEMRNRTKAYMPRYGLQRNLTDMSLARYAFDFYELHSTTPARAKEAHLQMKAAALKNAKNRLFGLDGNVSTQEEDTERHTTTDVTRNIHNLLGMRGVQ

Features

Showing features for compositional bias.

TypeIDPosition(s)Description
Compositional bias3179-3189Basic and acidic residues
Compositional bias3192-3205Pro residues
Compositional bias3235-3245Basic and acidic residues

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
MF572049
EMBL· GenBank· DDBJ
ATN38950.1
EMBL· GenBank· DDBJ
Genomic RNA

Similar Proteins

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