TABLE 1.

Homology of highly variable proteins of RDEC-1 to those of other AEEC strains

Virulence factor	% Identitya between RDEC-1 and:
	Human O127:H6 E2348/69 (EPEC 1) (intimin α)	Human O157:H7 EDL933 (EHEC 1) (intimin γ)	Dog O45 4221c (intimin α)	Pig O45:K“E65” 1390d (intimin β)	Rabbit O103:H2e (intimin β)	Human O26 (EHEC 2) (intimin β)	Human O111 (EPEC 2) (intimin β)
SepZ	65	69				100f
Orf19	79	80				99g	98i
Tir	67	66			100b	100bgh	97i
N terminus (aa 1–244)	66	72			100b	100b	98
Central region (aa 245–351)	79	79			100	100	91
C terminus (aa 352–end)	68	60			100	100	99
Intimin	82	82	86	99	100	100bh	99k
N terminus (aa 1–660)	94	94	93	99	100	100	100
C terminus (aa 661–end)	55	53	70	99	100	100bi	99
EspA	88	85	77	98	100	100j
EspD	87	73	78	100	100	100j
EspB	70	70	70	99	100	100j
EspF	82	80			95

^aHomology at predicted amino acid level. 

^bA 1-aa difference over the relevant region. 

^cGenBank accession no. U66102 and U65681 (5, 6). 

^dGenBank accession no. AF065628 and AF064683 (7, 48). 

^eStrain B10, GenBank accession no. AF113597, AF054421, and AF116900 (30, 37); and strain 84/110/1, GenBank accession no. U59502. 

^fO26:H11 (strain 6549), GenBank accession no. AF035656. 

^gO26:H− (strain 95ZG1), GenBank accession no. AF070068 (39). 

^hO26:H− (strain 413/89-1), GenBank accession no. AJ223063 and Y13859 (12). 

ⁱO26:H11 (strain H19), GenBank accession no. U62656; O26:HB6 (strain G85), GenBank accession no. U62657. 

^jO111 (strain EPEC87A), GenBank accession no. AF070069 (39). 

^kO111:H2 (strain DEC 12a), GenBank accession no. AF081187.