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CAPSD_HBOC3
ID   CAPSD_HBOC3             Reviewed;         668 AA.
AC   C1IWT2; C1IWT3;
DT   10-OCT-2018, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   23-FEB-2022, entry version 37.
DE   RecName: Full=Minor capsid protein VP1;
DE            EC=3.1.1.4 {ECO:0000250|UniProtKB:Q3YPH4};
GN   Name=VP1;
OS   Human bocavirus 3 (HBoV3) (Adelavirus W471).
OC   Viruses; Monodnaviria; Shotokuvirae; Cossaviricota; Quintoviricetes;
OC   Piccovirales; Parvoviridae; Parvovirinae; Bocaparvovirus;
OC   Primate bocaparvovirus 1.
OX   NCBI_TaxID=638313;
OH   NCBI_TaxID=9606; Homo sapiens (Human).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=W471, and W855;
RA   Arthur J.L., Higgins G.D., Davidson G.P., Givney R.C., Ratcliff R.M.;
RT   "A Novel Bocavirus Associated with Acute Gastroenteritis in Australian
RT   Children.";
RL   PLoS Pathog. 5:E1000391-E1000391(2009).
RN   [2]
RP   STRUCTURE BY ELECTRON MICROSCOPY (2.80 ANGSTROMS).
RX   PubMed=28331084; DOI=10.1128/jvi.00261-17;
RA   Mietzsch M., Kailasan S., Garrison J., Ilyas M., Chipman P., Kantola K.,
RA   Janssen M.E., Spear J., Sousa D., McKenna R., Brown K.,
RA   Soderlund-Venermo M., Baker T., Agbandje-McKenna M.;
RT   "Structural Insights into Human Bocaparvoviruses.";
RL   J. Virol. 91:0-0(2017).
CC   -!- FUNCTION: Capsid proteins self-assembles to form an icosahedral capsid
CC       with a T=1 symmetry, about 26 nm in diameter, and consisting of 60
CC       copies of three size variants of the capsid proteins, VP1, and VP3,
CC       which differ by the presence of an N-terminal extension in the minor
CC       protein VP1. The capsid has a channel at the 5-fold axis and there are
CC       densities extending the 5-fold axis into the interior of the capsid.
CC       The capsid encapsulates the genomic ssDNA (By similarity). Binding to
CC       the host receptors also induces capsid rearrangements leading to
CC       surface exposure of VP1 N-terminus, specifically its phospholipase A2-
CC       like region. The additional N-terminal region of isoform Minor capsid
CC       protein VP1, called VP1u, may serve as a lipolytic enzyme to breach the
CC       endosomal membrane during entry into host cell and might contribute to
CC       virus transport to the nucleus (By similarity).
CC       {ECO:0000250|UniProtKB:Q3YPH4, ECO:0000250|UniProtKB:Q9PZT0}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-
CC         glycero-3-phosphocholine + a fatty acid + H(+); Xref=Rhea:RHEA:15801,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:28868,
CC         ChEBI:CHEBI:57643, ChEBI:CHEBI:58168; EC=3.1.1.4;
CC         Evidence={ECO:0000250|UniProtKB:Q3YPH4};
CC   -!- SUBUNIT: [Isoform Minor capsid protein VP1]: Heteromultimer of isoform
CC       Minor capsid protein VP1, isoform Minor capsid protein VP2 and isoform
CC       Major capsid protein VP3 (By similarity).
CC       {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- SUBUNIT: [Isoform Minor capsid protein VP2]: Heteromultimer of isoform
CC       Minor capsid protein VP1, isoform Minor capsid protein VP2 and isoform
CC       Major capsid protein VP3 (By similarity).
CC       {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- SUBUNIT: [Isoform Major capsid protein VP3]: Homomultimer (By
CC       similarity). 10 fold more abundant than the minor capsid proteins VP1
CC       and VP2 (By similarity). Heteromultimer of isoform Minor capsid protein
CC       VP1, isoform Minor capsid protein VP2 and isoform Major capsid protein
CC       VP3 (By similarity). {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- SUBCELLULAR LOCATION: [Isoform Minor capsid protein VP1]: Virion
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Host nucleus
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Host cytoplasm
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Note=Slightly detected in the
CC       cytoplasm, mainly seen in the nucleus. {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- SUBCELLULAR LOCATION: [Isoform Minor capsid protein VP2]: Virion
CC       {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- SUBCELLULAR LOCATION: [Isoform Major capsid protein VP3]: Virion
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Host nucleus
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Host cytoplasm
CC       {ECO:0000250|UniProtKB:Q3YPH4}. Note=Slightly detected in the
CC       cytoplasm, mainly seen in the nucleus. {ECO:0000250|UniProtKB:Q3YPH4}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative initiation; Named isoforms=3;
CC         Comment=The VP-encoding mRNA generates the three capsid proteins.
CC         Minor capsid protein VP1 and Major capsid protein VP3 initiate at
CC         canonical initiation site, whereas Minor capsid protein VP2 initiates
CC         at a GCT codon. {ECO:0000250|UniProtKB:Q3YPH4};
CC       Name=Minor capsid protein VP1;
CC         IsoId=C1IWT2-1; Sequence=Displayed;
CC       Name=Minor capsid protein VP2;
CC         IsoId=C1IWT2-2; Sequence=VSP_059860, VSP_059865;
CC       Name=Major capsid protein VP3;
CC         IsoId=C1IWT2-3; Sequence=VSP_059859;
CC   -!- DOMAIN: The N-terminus of Isoform Minor capsid protein VP1, VP1u,
CC       contains a phospholipase A2-like region (By similarity). VP1u may play
CC       a role in the disruption of host tight junctions in the airway tract
CC       (By similarity). {ECO:0000250|UniProtKB:Q3YPH4,
CC       ECO:0000250|UniProtKB:Q9PZT0}.
CC   -!- DOMAIN: A nuclear localization signal is present in the C-terminus and
CC       can be recognized by cellular nuclear import molecules. After assembly,
CC       it is hidden because it is on the inner capsid surface.
CC       {ECO:0000250|UniProtKB:Q9PZT0}.
CC   -!- SIMILARITY: Belongs to the parvoviridae capsid protein family.
CC       {ECO:0000305}.
CC   -!- CAUTION: Isoform major capsid protein VP3 has former been designated as
CC       VP2. {ECO:0000305}.
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DR   EMBL; EU918736; ACH81929.1; -; Genomic_DNA.
DR   EMBL; FJ948861; ACR43454.1; -; Genomic_DNA.
DR   EMBL; EU918736; ACH81930.1; -; Genomic_DNA.
DR   EMBL; FJ948861; ACR43455.1; -; Genomic_DNA.
DR   RefSeq; YP_002808456.1; NC_012564.1. [C1IWT2-1]
DR   RefSeq; YP_002808457.1; NC_012564.1. [C1IWT2-3]
DR   PDB; 5US7; EM; 2.80 A; 1/2/3/4/5/6/7/8/A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X/Y/Z/a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y/z=130-668.
DR   PDBsum; 5US7; -.
DR   SMR; C1IWT2; -.
DR   DNASU; 7768238; -.
DR   GeneID; 7768238; -.
DR   GeneID; 7768239; -.
DR   KEGG; vg:7768238; -.
DR   KEGG; vg:7768239; -.
DR   Proteomes; UP000128541; Genome.
DR   Proteomes; UP000163519; 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:0039615; C:T=1 icosahedral viral capsid; IEA:UniProtKB-KW.
DR   GO; GO:0004623; F:phospholipase A2 activity; IEA:UniProtKB-EC.
DR   GO; GO:0005198; F:structural molecule activity; IEA:InterPro.
DR   GO; GO:0016042; P:lipid catabolic process; IEA:UniProtKB-KW.
DR   Gene3D; 2.170.30.10; -; 1.
DR   InterPro; IPR016184; Capsid/spike_ssDNA_virus.
DR   InterPro; IPR001403; Parvovirus_coat.
DR   InterPro; IPR013607; Phospholipase_A2-like.
DR   InterPro; IPR036952; VP1/VP2.
DR   Pfam; PF00740; Parvo_coat; 1.
DR   Pfam; PF08398; Phospholip_A2_4; 1.
DR   SUPFAM; SSF88645; SSF88645; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Alternative initiation; Capsid protein; Host cytoplasm;
KW   Host nucleus; Hydrolase; Lipid degradation; Lipid metabolism;
KW   T=1 icosahedral capsid protein; Virion.
FT   CHAIN           1..668
FT                   /note="Minor capsid protein VP1"
FT                   /id="PRO_0000445383"
FT   REGION          11..66
FT                   /note="Phospholipase A2-like"
FT                   /evidence="ECO:0000250|UniProtKB:Q3YPH4"
FT   REGION          107..162
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           611..622
FT                   /note="Nuclear localization signal"
FT                   /evidence="ECO:0000250|UniProtKB:Q9PZT0"
FT   COMPBIAS        124..145
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   VAR_SEQ         1..129
FT                   /note="Missing (in isoform Major capsid protein VP3)"
FT                   /id="VSP_059859"
FT   VAR_SEQ         1..90
FT                   /note="Missing (in isoform Minor capsid protein VP2)"
FT                   /id="VSP_059860"
FT   VAR_SEQ         91
FT                   /note="V -> M (in isoform Minor capsid protein VP2)"
FT                   /id="VSP_059865"
SQ   SEQUENCE   668 AA;  74850 MW;  B8D95EEA29EA37E5 CRC64;
     MPPIKRQPGG WVLPGYKYLG PFNPLDNGEP VNKADRAAQS HDKSYSELIK SGKNPYLYFN
     KADEKFIDDL KNDWSLGGII GSSFFKLKRA VAPALGNKER AQKRHFYFAN SNKGAKKSKN
     NEPKPSTSKM SENEIQDQQP SEPNDGQRGG GGGATGSVGG GKGSGVGIST GGWVGGSYFT
     DSYVITKNTR QFLVKIQNNH QYKTESIIPS NGGGKSQRCV STPWSYFNFN QYSSHFSPQD
     WQRLTNEYKR FRPKGMHVKI YNLQIKQILS NGADVTYNND LTAGVHIFCD GEHAYPNATH
     PWDEDVMPEL PYQTWYLFQY GYIPTIHELA EMEDSNAVEK AIALQIPFFM LENSDHEVLR
     TGESAEFNFN FDCEWINNER AFIPPGLMFN PLVPTRRAQY IRRNGNTQAS TSRVQPYAKP
     TSWMTGPGLL SAQRVGPAAS DTAAWMVGVD PEGANINSGR AGVSSGFDPP AGSLRPTDLE
     YKVQWYQTPA GTNNDGNIIS NPPLSMLRDQ TLYRGNQTTY NLCSDVWMFP NQIWDRYPVT
     RENPIWCKQP RSDKHTTIDP FDGSIAMDHP PGTIFIKMAK IPVPSNNNAD SYLNIYCTGQ
     VSCEIVWEVE RYATKNWRPE RRHTALGLGI GGADEINPTY HVDKNGAYIQ PTTWDMCFPV
     KTNINKVL
 
 
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