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1.B.22.5.1
Gene IV protein secretin

Accession Number:P03666
Protein Name:VG4 aka IV
Length:426
Molecular Weight:45842.00
Species:Bacteriophage f1 [10863]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Host membrane1 / Single-pass type I membrane protein2
Substrate proteins

Cross database links:

Pfam: PF00263   

Gene Ontology

GO:0033644 C:host cell membrane
GO:0016021 C:integral to membrane
GO:0008565 F:protein transporter activity
GO:0009306 P:protein secretion
GO:0019067 P:viral assembly, maturation, egress, and rel...

References (4)

[1] “Nucleotide sequence and genome organisation of filamentous bacteriophages f1 and fd.”  Beck E.et.al.   6282703
[2] “Nucleotide sequence of bacteriophage f1 DNA.”  Hill D.F.et.al.   6292494
[3] “DNA sequence analysis of the defective interfering particles of bacteriophage f1.”  Ravetch J.V.et.al.   439137
[4] “A trans-envelope protein complex needed for filamentous phage assembly and export.”  Feng J.N.et.al.   10564514

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKLLNVINFV FLMFVSSSSF AQVIEMNNSS LRDFVTWYSK QTGESVIVSP DVKGTVTVYS 
61:	SDVKPENLRD FFISVLRANN FDMVGSIPSI IQKYNPNNQD YIDELPSSDN QEYDDNSAPS 
121:	GGFFVPQNDN VTQTFKINNV RAKDLIRVVE LFVKSNTSKS SNVLSVDGSN LLVVSAPKDI 
181:	LDNLPQFLST VDLPTDQILI EGLIFEVQQG DALDFSFAAG SQRGTVAGGV NTDRLTSVLS 
241:	SAGGSFGIFN GDVLGLSVRA LKTNSHSKIL SVPRILTLSG QKGSISVGQN VPFITGRVTG 
301:	ESANVNNPFQ TVERQNVGIS MSVFPVAMAG GNIVLDITSK ADSLSSSTQA SDVITNQRSI 
361:	ATTVNLRDGQ TLLLGGLTDY KNTSQDSGVP FLSKIPLIGL LFSSRSDSNE ESTLYVLVKA 
421:	TIVRAL