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3.A.7.13.2
The plasmid pLS20 conjugation system. Several conserved conjugation proteins carried on the Bacillus subtilis plasmid pLS20, (VirB1, VirB4, VirB11, VirD2, and VirD4 homologs) assemble at a single cell pole, but also at other sites along the cell membrane, in cells during the lag phase of growth (Bauer et al., 2011).

Accession Number:E9RJ16
Protein Name:VirB4 component of type IV secretory pathway
Length:631
Molecular Weight:72146.00
Species:Bacillus subtilis subsp. natto [86029]
Substrate protein polypeptide chain

Cross database links:

Entrez Gene ID: 10227854   

References (1)

[1] “Conjugational transfer kinetics of pLS20 between Bacillus subtilis in liquid medium.”  Itaya M.et.al.   16556997

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MEKIIKDLDF VYATQPMGGI SFKDEFFNRT GDGYVACLHV YRYPENFTPY WLNKLTSIHN 
61:	TIVTIDTYTQ KDINYTDKVK SSTNEMKSRI RNAANETDAD VAREELQTLR ELGLAITKGG 
121:	EVIKQIHVRI FLHGATQSEL EKRISEVQKS IDSDGFKSKV FLDENKEEWQ SLFLDYETQL 
181:	TMPNKRIGND MPAEAIGLGF AYDQTSLSDP TGVYYGYTST RGTVYWDLFH KTTKRLYYNM 
241:	FVAGDMGSGK STLLKKILRD NASKGNFIRG FDKSGEFQSV TADMGGITID LDGSNGRINL 
301:	MQIFPSVTKK IGDKVVIDES ASFRQHVSKL NSCYRIKNPK SDDNVLVQFD ELVYGFYEKH 
361:	NFWGEDARSN ITQLPPEEYP LLSDFQAYCE ERYHAEKDPN FKSRIGDIAM SIKNLVTQFG 
421:	EIFDGITTIP DMVNEQIVFY DIGNLSQLSD QVKDIQIFNA LSQIWGTMMN IGRKEKEAYD 
481:	KGKIHWFDIT RFLIILDECH NLLELKKAHT ANFFVTLMSE ARKFFGGLVL ATQRIERMFP 
541:	NTNTSDPDMA IAANKLREIF GLTQYKALFK QDQTSMKLIK NLFEDQMTDN EYALLPKFET 
601:	GDCILSIAGD RNLVMHVEAT QEELELFEGG A