Phage f1 III:On One Page

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Quickview | Gene | Product(s) | Expression| Evolution | References |

Quickview

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References Suggestions

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Standard Name

III

Gene Synonym(s)
Product Desc.

adsorption protein, required for phage to be infectious [1]; necessary to terminate assembly/extrusion of new phage and release completed phage [2] [3]

Product Synonyms(s)

III, protein III [4] [5], unnamed protein product [5], Gene 3 protein [6], G3P [6], minor coat protein [6], A protein [7]

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression
Regulation/Activity
Quick Links

porteco.png

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

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Notes

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References

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See Help:References for how to manage references in EcoliWiki.

  1. ↑ Russel, M (1991) Filamentous phage assembly. Mol. Microbiol. 5 1607-13 PubMed
  2. ↑ Edited by Richard Calendar (2006) The Bacteriophages (Oxford University Press, Oxford, NY) ISBN 0-19-514850-9
  3. ↑ Bennett, NJ & Rakonjac, J (2006) Unlocking of the filamentous bacteriophage virion during infection is mediated by the C domain of pIII. J. Mol. Biol. 356 266-73 PubMed
  4. ↑ NCBI: Bacteriophage f1, complete genome http://www.ncbi.nlm.nih.gov/nuccore/J02448
  5. ↑ 5.0 5.1 NCBI: Genome of bacteriophage f1 (closely related to phages fd and m13) http://www.ncbi.nlm.nih.gov/nuccore/V00606.1 Cite error: Invalid <ref> tag; name "V00606.1" defined multiple times with different content
  6. ↑ 6.0 6.1 6.2 UniProt:P69169 (G3P_BPF1) http://www.uniprot.org/uniprot/P69169 Cite error: Invalid <ref> tag; name "uniprot:P69169" defined multiple times with different content Cite error: Invalid <ref> tag; name "uniprot:P69169" defined multiple times with different content
  7. ↑ Grant, RA et al. (1981) Structure of the filamentous bacteriophage fl. Location of the A, C, and D minor coat proteins. J. Biol. Chem. 256 539-46 PubMed

Gene

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Nomenclature Location(s) and DNA Sequence Sequence Features Alleles and Phenotypes Genetic Interactions Genetic Resources Accessions Links References Suggestions

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Nomenclature

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<protect> See Help:Gene_nomenclature for help with entering information in the Gene Nomenclature table.

Standard name

III

Mnemonic
Synonyms


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Notes

Location(s) and DNA Sequence

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<protect> <protect> See Help:Gene_location for help entering information in the Gene Location and DNA sequence table.

Strain Map location Genome coordinates Genome browsers Sequence links

J02448: 0..5401
<gbrowseImage> name=J02448:0..5401 source=bacteriophage_f1 preset=GeneLocation </gbrowseImage>

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Notes

Sequence Features

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<protect> See Help:Gene_sequence_features for help in entering sequence features in EcoliWiki.

Feature Type Strain Genomic Location Evidence Reference Notes
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Notes

Alleles and Phenotypes

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<protect> See Help:Gene_alleles for how to enter or edit alleles and phenotypes in EcoliWiki.

Allele Nt change(s) AA change(s) Phenotype: Type Phenotype: Description Reference Availability Comments
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Notes

Genetic Interactions

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Interactor Interaction Allele Score(s) Reference(s) Accessions Notes
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Notes

Genetic Resources

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Resource Resource Type Source Notes/Reference
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Notes

Accessions in Other Databases

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Database Accession Notes
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Notes

Links

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Product(s)

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Nomenclature Function Interactions Localization Sequence Domains Structure Resources Accessions Links References Suggestions

Nomenclature

<protect> See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.

Standard name

attachment protein G3P [1]

Synonyms

III, protein III [2] [3], unnamed protein product [3], Gene 3 protein [1], G3P [1], minor coat protein [1], A protein [4]

Product description

adsorption protein, required for phage to be infectious [5]; necessary to terminate assembly/extrusion of new phage and release completed phage [6] [7]

EC number (for enzymes)


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Notes

Function

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<protect> Gene Ontology <protect> See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status

GO:0046753

non-lytic viral release

PMID:9733639

IMP: Inferred from Mutant Phenotype

P

complete

GO:0045203

integral to membrane

PMID:6291030

IDA: Inferred from Direct Assay

C

complete

GO:0019013

viral nucleocapsid

PMID:7000776

IDA: Inferred from Direct Assay

C

complete

GO:0019028

viral capsid

PMID:7000776

IDA: Inferred from Direct Assay

C

complete

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Interactions <protect> See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.

Partner Type Partner Notes References Evidence

Protein

Phage f1, VIII: Gene Products

Association likely exists prior to assembly

PMID:7616570

IPI by co-precipitation; See Figure 9A, lanes 2 to 6, and Figure 9B, lane 4

Protein

Phage f1, VI: Gene Products

G3P stabilizes G6P

PMID:9733639

Figure 2B shows the amount of pVI depends on the amount of pIII supplied; pVI is nearly absent without pIII.

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Notes

Localization

<protect> See Help:Product_localization for how to add or edit information in this section of EcoliWiki.

Compartment Description Evidence Reference/Source Notes
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Notes

Structure and Physical Properties

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<protect> Physical Properties <protect> See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.

Name
Sequence 
MKKLLFAIPL VVPFYSHSAE TVESCLAKPH TENSFTNVWK DDKTLDRYAN YEGCLWNATG
VVVCTGDETQ CYGTWVPIGL AIPENEGGGS EGGGSEGGGS EGGGTKPPEY GDTPIPGYTY
INPLDGTYPP GTEQNPANPN PSLEESQPLN TFMFQNNRFR NRQGALTVYT GTVTQGTDPV
KTYYQYTPVS SKAMYDAYWN GKFRDCAFHS GFNEDPFVCE YQGQSSDLPQ PPVNAGGGSG
GGSGGGSEGG GSEGGGSEGG GSEGGGSGGG SGSGDFDYEK MANANKGAMT ENADENALQS
DAKGKLDSVA TDYGAAIDGF IGDVSGLANG NGATGDFAGS NSQMAQVGDG DNSPLMNNFR
QYLPSLPQSV ECRPFVFGAG KPYEFSIDCD KINLFRGVFA FLLYVATFMY VFSTFANILR NKES
Length

424

Mol. Wt

44.621 kDa

pI

4.2 (calculated)

Extinction coefficient

53,290 - 54,290 (calc based on 21 Y, 4 W, and 8 C residues)

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Domains/Motifs/Modification Sites

<protect> See Help:Product_domains_motifs for help entering or editing information in this section of EcoliWiki.

Type Residues Description Notes References

Domain

379-401

COOH terminus

  • Highest average hydrophibicity of any other G3P domain
  • Arg residues flank the 23 neutral residues
  • Required to anchor G3P in membrane

PMID:6291030

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<motif_map/>

Structure <protect> See Help:Product_structure for help entering or editing information in this section of EcoliWiki.

Structures

<beststructure> gene=Phage_f1_III taxon=10863 </beststructure>

Models

View models at:

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Structure figures

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Notes

Gene Product Resources

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Resource type Source Notes/Reference
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Notes

Accessions in Other Databases

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Database Accession Notes
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Notes

Links

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References

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See Help:References for how to manage references in EcoliWiki.

  1. ↑ 1.0 1.1 1.2 1.3 UniProt:P69169 (G3P_BPF1) http://www.uniprot.org/uniprot/P69169 Cite error: Invalid <ref> tag; name "uniprot:P69169" defined multiple times with different content Cite error: Invalid <ref> tag; name "uniprot:P69169" defined multiple times with different content
  2. ↑ NCBI: Bacteriophage f1, complete genome http://www.ncbi.nlm.nih.gov/nuccore/J02448
  3. ↑ 3.0 3.1 NCBI: Genome of bacteriophage f1 (closely related to phages fd and m13) http://www.ncbi.nlm.nih.gov/nuccore/V00606.1 Cite error: Invalid <ref> tag; name "V00606.1" defined multiple times with different content
  4. ↑ Grant, RA et al. (1981) Structure of the filamentous bacteriophage fl. Location of the A, C, and D minor coat proteins. J. Biol. Chem. 256 539-46 PubMed
  5. ↑ Russel, M (1991) Filamentous phage assembly. Mol. Microbiol. 5 1607-13 PubMed
  6. ↑ Edited by Richard Calendar (2006) The Bacteriophages (Oxford University Press, Oxford, NY) ISBN 0-19-514850-9
  7. ↑ Bennett, NJ & Rakonjac, J (2006) Unlocking of the filamentous bacteriophage virion during infection is mediated by the C domain of pIII. J. Mol. Biol. 356 266-73 PubMed

Categories

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Expression

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Overview Transcription Translation Turnover Experimental Links References Suggestions

Overview

Intracellular Levels

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Molecule Organism or Strain Value Units Experimental Conditions Assay used Notes Reference(s)
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Notes

Transcription and Transcriptional Regulation

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See Help:Expression_transcription for help entering or editing information in this section of EcoliWiki.

Transcription unit(s)
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Notes

Translation and Regulation of Translation

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<gbrowseImage> name=J02448:1559..1599 source=bacteriophage_f1 type=Gene+DNA_+Protein preset=Nterminus </gbrowseImage> This picture shows the sequence around the N-terminus.

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Notes

Turnover and Regulation of Turnover

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Notes

Experimental

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<protect> Mutations Affecting Expression <protect> See Help:Expression_mutations for help entering or editing information in this section of EcoliWiki.

Allele Name Mutation Phenotype Reference
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Expression Studies <protect> See Help:Expression_studies for help entering or editing information in this section of EcoliWiki.

Type Reference Notes
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Expression Resources <protect> See Help:Expression_resources for help entering or editing information in this section of EcoliWiki.

Resource Name Resource Type Description Source Notes
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Notes

Accessions Related to Phage_f1_III Expression

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Database Accession Notes
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Notes

Links

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References

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Evolution

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Homologs Families Links References Suggestions

Homologs in Other Organisms

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Organism Homologs (Statistics) Comments
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Do-It-Yourself Web Tools

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Notes

Families

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Database Accession Notes
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Notes

Links

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References

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Categories

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