| ORF ID | 						TF02187 (frame 1) | 
			Gene ID | 					BH15640 | 	
		| Position and sequences | 		1807042...1807353(103 aa) | 
			Gene Name/synonym | 			
			trwL8
			/virB2		 | 
	
	| Organism | 					 Bartonella henselae str. Houston-1  | 
			Cluster | 					
			2 genes  | 
	
		| Product | 					Type IV secretion system protein VirB2 homolog | 
		| 1stcategory | 		P-T4SS | 
			2ndcategory | 		VirB2/TrbC 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.The gene trwL encoding the major component of the T-pilus and is present in 7 or 8 copies. | 
		| Miscellaneus | 				Trw system may have been 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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