Table 2.

Overview of pairwise amino acid identity of the different SEB, SEC, and SED variants. The novel variant 4 of SED (sed_aa v4) was detected in a strain isolated from a nasal carrier and has not been previously described.

Variant	SEB v1	SEB v2	SEB v3	SEC-1	SEC-2	SEC-3	SEC-4	SEC-bovine	SEC-ovine	SED v1	SED v2	SED v3	SED v4
SEB v1	100	99	97	68	67	69	67	69	67	36	35	25	36
SEB v2	-	100	98	67	66	67	66	68	67	36	36	25	36
SEB v3	-	-	100	67	66	67	66	68	67	36	35	24	35
SEC-1	-	-	-	100	97	94	97	99	98	32	32	22	32
SEC-2	-	-	-	-	100	96	99	97	96	33	32	22	32
SEC-3	-	-	-	-	-	100	96	94	93	33	33	23	33
SEC-4	-	-	-	-	-	-	100	97	96	33	33	22	33
SEC-bovine	-	-	-	-	-	-	-	100	99	32	32	22	32
SEC-ovine	-	-	-	-	-	-	-	-	100	32	32	21	32
SED v1	-	-	-	-	-	-	-	-	-	100	99	66	99
SED v2	-	-	-	-	-	-	-	-	-	-	100	66	99
SED v3	-	-	-	-	-	-	-	-	-	-	-	100	65
SED v4	-	-	-	-	-	-	-	-	-	-	-	-	100