| ORF ID | 						TF00172 (frame 1) | 
			Gene ID | 					BQ12660 | 	
		| Position and sequences | 		1475882...1476682(266 aa) | 
			Gene Name/synonym | 			
			trwF
			/virB9		 | 
	
	| Organism | 					 Bartonella quintana Toulouse  | 
			Cluster | 					
			67 genes  | 
	
		| Product | 					Type IV secretion system protein VirB9 homolog | 
		| 1stcategory | 		P-T4SS | 
			2ndcategory | 		VirB9/TrbG Family | 
		| 3rdcategory | 		Probable effector translocator | 
		| Function | 					Component of the Trw Bartonella T4S system that may be required for invasion of the erythrocytes in the mammalian host.  | 
		| Miscellaneus | 				Trw system may be recently acquired to one of the Bartonella lineages by horizontal gene transfer, followed by a functional switch from plasmid conjugation to host association.
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				| References | 					
					
					
						PubMed:18065487 
					
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