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3.A.7.1.1
Conjugal DNA-protein transfer complexes. The VirB4 ATPase may mediate dislocation of the membrane-integrated VirB2 pilin (N- and C-termini out; cytoplasmic loop= residues 90-94 inside) during biogenesis of the Agrobacterium VirB/VirD4 type IV secretion system. VirB6 domains direct the ordered export of the DNA substrate through a type IV secretion System (Jakubowski et al. 2004).

Accession Number:P05356
Protein Name:VirB6 aka VIB6
Length:295
Molecular Weight:31771.00
Species:Agrobacterium tumefaciens [190386]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate Nucleopoteins, proteins

Cross database links:

RefSeq: NP_059804.1   
Entrez Gene ID: 1224323   
Pfam: PF04610   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0000747 P:conjugation with cellular fusion

References (1)

[1] “Analysis of the complete nucleotide sequence of the Agrobacterium tumefaciens virB operon.”  Thompson D.V.et.al.   2837739

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNFTIPAPFT AIHTIFDVAF TTGLDSMLET IQEAVSAPLI ACVTLWIIVQ GILVIRGEVD 
61:	TRSGITRVIT VTIVVALIVG QANYQDYVVS IFEKTVPIFV QQFSVTGLPL QTVPAQLDTI 
121:	FAVTQAVFQK IASEIGPMND QDILAFQGAQ WVLYGTLWSA FGVYDAVGIL TKVLLAIGPL 
181:	ILVGYIFDRT RDIAAKWIGQ LITYGLLLLL LNLVATIVIL TEATALTLML GVITFAGTTA 
241:	AKIIGLYELD MFFLTGDALI VALPAIAGNI GGSYWSGATQ SASSLYRRFA QVERG