Phage f1 IV:Gene Product(s)

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

Nomenclature

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Standard name

Viron export protein [1]

Synonyms

IV, protein IV [2], Gene 4 protein [1], G4P [1]

Product description

secretin, forms conductive channels in outer membrane [3]

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:0045203

integral to cell outer membrane

PMID:2407858[4]

IDA: Inferred from Direct Assay

C

complete

GO:0022832

voltage-gated channel activity

PMID:10348737[5]

IMP: Inferred from Mutant Phenotype

F

complete

GO:0046753

non-lytic viral release

PMID:10348737[5]

IC: Inferred by Curator

GO:0022832


P

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
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Notes

Localization

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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 
MKLLNVINFV FLMFVSSSSF AQVIEMNNSP LRDFVTWYSK QTGESVIVSP DVKGTVTVYS
SDVKPENLRN FFISVLRANN FDMVGSNPSI IQKYNPNNQD YIDELPSSDN QEYDDNSAPS
GGFFVPQNDN VTQTFKINNV RAKDLIRVVE LFVKSNTSKS SNVLSIDGSN LLVVSAPKDI
LDNLPQFLST VDLPTDQILI EGLIFEVQQG DALDFSFAAG SQRGTVAGGV NTDRLTSVLS
SAGGSFGIFN GDVLGLSVRA LKTNSHSKIL SVPRILTLSG QKGSISVGQN VPFITGRVTG
ESANVNNPFQ TIERQNVGIS MSVFPVAMAG GNIVLDITSK ADSLSSSTQA SDVITNQRSI
ATTVNLRDGQ TLLLGGLTDY KNTSQDSGVP FLSKIPLIGL LFSSRSDSNE ESTLYVLVKA
TIVRAL
Length

426

Mol. Wt

45.879 kDa

pI

4.8 (calculated)

Extinction coefficient

15,930 (calc based on 7 Y, 1 W, and 0 C residues)

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Domains/Motifs/Modification Sites

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Type Residues Description Notes References

Motif

1-21

Sec transport signal sequence

cleaved upon transport through Sec system into periplasm


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

Structures

<beststructure> gene=Phage_f1_IV 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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<protect> See Help:Gene_accessions for help with entering information into the Gene Accessions table.

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 UniProt:P03666 (G4P_BPF1) http://www.uniprot.org/uniprot/P03666 Cite error: Invalid <ref> tag; name "uniprot:P03666" defined multiple times with different content
  2. ↑ NCBI: Bacteriophage f1, complete genome http://www.ncbi.nlm.nih.gov/nuccore/J02448
  3. ↑ Marciano, DK et al. (2001) Assembling filamentous phage occlude pIV channels. Proc. Natl. Acad. Sci. U.S.A. 98 9359-64 PubMed
  4. ↑ Brissette, JL & Russel, M (1990) Secretion and membrane integration of a filamentous phage-encoded morphogenetic protein. J. Mol. Biol. 211 565-80 PubMed
  5. ↑ 5.0 5.1 Marciano, DK et al. (1999) An aqueous channel for filamentous phage export. Science 284 1516-9 PubMed

Categories

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