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VE6_PCPV1
ID   VE6_PCPV1               Reviewed;         150 AA.
AC   Q02270;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Protein E6 {ECO:0000255|HAMAP-Rule:MF_04006};
GN   Name=E6 {ECO:0000255|HAMAP-Rule:MF_04006};
OS   Pygmy chimpanzee papillomavirus type 1 (PCPV-1).
OC   Viruses; Monodnaviria; Shotokuvirae; Cossaviricota; Papovaviricetes;
OC   Zurhausenvirales; Papillomaviridae; Firstpapillomavirinae;
OC   Alphapapillomavirus.
OX   NCBI_TaxID=10576;
OH   NCBI_TaxID=9597; Pan paniscus (Pygmy chimpanzee) (Bonobo).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1325697; DOI=10.1016/0042-6822(92)90896-w;
RA   van Ranst M., Fuse A., Fiten P., Beuken E., Pfister H., Burk R.D.,
RA   Opdenakker G.;
RT   "Human papillomavirus type 13 and pygmy chimpanzee papillomavirus type 1:
RT   comparison of the genome organizations.";
RL   Virology 190:587-596(1992).
CC   -!- FUNCTION: Plays a major role in the induction and maintenance of
CC       cellular transformation. E6 associates with host UBE3A/E6-AP ubiquitin-
CC       protein ligase and modulates its activity. Sequesters tumor suppressor
CC       TP53 in the host cytoplasm and modulates its activity by interacting
CC       with host EP300 that results in the reduction of TP53 acetylation and
CC       activation. In turn, apoptosis induced by DNA damage is inhibited. E6
CC       protects also host keratinocytes from apoptosis by mediating the
CC       degradation of host BAK1. May also inhibit host immune response.
CC       {ECO:0000255|HAMAP-Rule:MF_04006}.
CC   -!- SUBUNIT: Forms homodimers. Interacts with ubiquitin-protein ligase
CC       UBE3A/E6-AP; this interaction stimulates UBE3A ubiquitin activity.
CC       Interacts with host TP53 and EP300; this interaction inhibits TP53
CC       activity. {ECO:0000255|HAMAP-Rule:MF_04006}.
CC   -!- SUBCELLULAR LOCATION: Host cytoplasm {ECO:0000255|HAMAP-Rule:MF_04006}.
CC       Host nucleus {ECO:0000255|HAMAP-Rule:MF_04006}.
CC   -!- MISCELLANEOUS: Belongs to the low risk human alphapapillomavirus
CC       family. The cancer-causing human papillomavirus E6 protein has a unique
CC       carboxy terminal PDZ domain containing substrate but low risk E6s do
CC       not possess this domain. {ECO:0000255|HAMAP-Rule:MF_04006}.
CC   -!- SIMILARITY: Belongs to the papillomaviridae E6 protein family.
CC       {ECO:0000305}.
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DR   EMBL; X62844; CAA44655.1; -; Genomic_DNA.
DR   SMR; Q02270; -.
DR   Proteomes; UP000000469; Genome.
DR   GO; GO:0030430; C:host cell cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0042025; C:host cell nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0039526; P:modulation by virus of host apoptotic process; IEA:UniProtKB-KW.
DR   GO; GO:0039649; P:modulation by virus of host ubiquitin-protein ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   GO; GO:0039502; P:suppression by virus of host type I interferon-mediated signaling pathway; IEA:UniProtKB-UniRule.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.240.40; -; 2.
DR   HAMAP; MF_04006; HPV_E6; 1.
DR   InterPro; IPR001334; E6.
DR   InterPro; IPR038575; E6_sf.
DR   Pfam; PF00518; E6; 1.
DR   SUPFAM; SSF161229; SSF161229; 2.
PE   3: Inferred from homology;
KW   Activator; DNA-binding; Early protein; Host cytoplasm; Host nucleus;
KW   Host-virus interaction; Inhibition of host innate immune response by virus;
KW   Metal-binding; Modulation of host cell apoptosis by virus;
KW   Reference proteome; Transcription; Transcription regulation;
KW   Viral immunoevasion; Zinc; Zinc-finger.
FT   CHAIN           1..150
FT                   /note="Protein E6"
FT                   /id="PRO_0000133384"
FT   ZN_FING         31..67
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04006"
FT   ZN_FING         104..140
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04006"
SQ   SEQUENCE   150 AA;  17492 MW;  668EFB1512AC439C CRC64;
     MEKANASTSA KTIDQLCKEC NLCMHSLQIL CVFCRKTLST AEVYAFQYKD LNIVWQGNFP
     FAACACCLEI QGKVNQYRHF DFAAYAVTVE EEINKSIFDV RIRCYLCHKP LCDVEKLRHI
     LEKARFIKLN CEWKGRCFHC WTSCMENILP
 
 
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