Table 2.

Classification of the ipaH genes from Shigella: coding sequences and upstream regions.

ipaH class	In chromosome					In plasmid
	1	2	3	4	5	6	7	8	9*
Other commonly used ipaH names34,35	ipaH1880	ipaH1383	ipaH2202	ipaH0722	ipaH2610	ipaH9.8	ipaH7.8	ipaH4.5	ipaH1.4
	ipaHd	ipaHc	ipaHe	ipaHa	ipaHb	ipaH9.8	ipaH7.8	ipaH4.5	-
Protein length, aa	585	571	547	587	609	545	565	574	575
% of absolutely conserved positions of proteins	95%	95%	99%	91%	96%	91%	99%	99%	94%
% of absolutely conserved positions of upstream regions	96%	99%	98%	93%	96%	94%	98%	98%	98%
Number of LRRs	8	6	6	8	6	4	6	6	7
Modal upstream region length, nt	618	339	315	580	491	393	943	428	389 (335)*
Presence of the MxiE box	+	+	+	+	+	+	+	+	− (−)*

*The numbers in parentheses show the values for paralogs.