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Protein

Minor capsid protein

Gene

10

Organism
Enterobacteria phage T3 (Bacteriophage T3)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Assembles with the major capsid protein to form an icosahedral capsid with a T=7 symmetry, about 60 nm in diameter, and consisting of 415 capsid proteins. The major and minor capsid proteins are incorporated into the capsid in about a 90/10 ratio respectively. Once the capsid is formed, encapsidates one single copy of the viral genome.By similarity

Miscellaneous

The minor capsid protein is produced by a -1 ribosomal frameshift near the C-terminus of the ORF coding for the major capsid protein, producing a protein with a C-terminal extension compared to the major capsid protein. The major capsid protein is produced by conventional translation of the same ORF.UniRule annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Minor capsid proteinUniRule annotation
Alternative name(s):
Gene product 10B
Short name:
Gp10B
Minor head proteinUniRule annotation
Gene namesi
Name:10
OrganismiEnterobacteria phage T3 (Bacteriophage T3)
Taxonomic identifieri10759 [NCBI]
Taxonomic lineageiVirusesdsDNA viruses, no RNA stageCaudoviralesPodoviridaeAutographivirinaeT7virus
Virus hostiEscherichia coli [TaxID: 562]

Subcellular locationi

  • Virion UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Capsid protein, Virion

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001065211 – 433Minor capsid proteinAdd BLAST433

Interactioni

Subunit structurei

Interacts with the connector protein and the major capsid protein.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliP19728
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the T7virus minor capsid protein family.UniRule annotation

Family and domain databases

HAMAPiMF_04119 CAPSID_PROTEIN_T7, 1 hit
InterProiView protein in InterPro
IPR003343 Big_2
IPR008964 Invasin/intimin_cell_adhesion
PfamiView protein in Pfam
PF02368 Big_2, 1 hit
SMARTiView protein in SMART
SM00635 BID_2, 1 hit
SUPFAMiSSF49373 SSF49373, 1 hit

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by ribosomal frameshifting. AlignAdd to basket

Isoform Minor capsid protein 10B (identifier: P19728-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

        10         20         30         40         50
MANIQGGQQI GTNQGKGQSA ADKLALFLKV FGGEVLTAFA RTSVTMPRHM
60 70 80 90 100
LRSIASGKSA QFPVIGRTKA AYLKPGENLD DKRKDIKHTE KVIHIDGLLT
110 120 130 140 150
ADVLIYDIED AMNHYDVRAE YTAQLGESLA MAADGAVLAE LAGLVNLPDG
160 170 180 190 200
SNENIEGLGK PTVLTLVKPT TGSLTDPVEL GKAIIAQLTI ARASLTKNYV
210 220 230 240 250
PAADRTFYTT PDNYSAILAA LMPNAANYQA LLDPERGTIR NVMGFEVVEV
260 270 280 290 300
PHLTAGGAGD TREDAPADQK HAFPATSSTT VKVALDNVVG LFQHRSAVGT
310 320 330 340 350
VKLKDLALER ARRANYQADQ IIAKYAMGHG GLRPEAAGAI VLPKGVGVIP
360 370 380 390 400
DPTGVTLSQK TMTLVEGASR ALTGTVQPSD ANQSLSWSSS AEDVAVWEAG
410 420 430
KVVAKGVGTA DITATTSNGL IASCKVIVNA ATS
Note: Produced by -1 ribosomal frameshifting.1 Publication
Length:433
Mass (Da):45,353
Last modified:February 1, 1996 - v2
Checksum:iE57F526F5F42C1D4
GO
Isoform Major capsid protein 10A (identifier: P19693-1) [UniParc]FASTAAdd to basket
The sequence of this isoform can be found in the external entry P19693.
Isoforms of the same protein are often annotated in two different entries if their sequences differ significantly.
Note: Produced by conventional translation.1 Publication
Length:347
Mass (Da):36,882
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X17255 Genomic DNA Translation: CAA35155.1
X15840 Genomic DNA No translation available.
PIRiA33079 VBBPA3
S04665
RefSeqiNP_523334.1, NC_003298.1 [P19728-1]

Genome annotation databases

GeneIDi927449
KEGGivg:927449

Keywords - Coding sequence diversityi

Ribosomal frameshifting

Similar proteinsi

Entry informationi

Entry nameiCAPSB_BPT3
AccessioniPrimary (citable) accession number: P19728
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 1, 1991
Last sequence update: February 1, 1996
Last modified: April 25, 2018
This is version 55 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health