Table I.

Location, name and proposed functions of the genes found in the class E LOS biosynthesis locus

ORF #a	Gene nameb	Proposed function	Reference
1e	waaC	Heptosyltransferase I	Klena et al. (1998), Kanipes et al. (2006)
2e	htrB	Lipid A acyltransferase	Phongsisay et al. (2007)
3e	wlaN	Glycosyltransferase
21e	rmlA	Glucose-1-phosphate thymidylyltransferase	This work
22e	rmlB	4,6-dehydratase	This work
23e	wlaRA	3,4-ketoisomerase	This work
24e	wlaRB	3,4-ketoisomerase	This work
25e	wlaRC	N-acetyltransferase
26e	wlaRD	N-formyltransferase	Thoden et al. (2013)
27e	wlaRE	Glycosyltransferase
28e	wlaRF	Glycosyltransferase
29e	wlaRG	Aminotransferase	Holden et al. (2012), this work
30e	wlaSA	Glycosyltransferase
31e	wlaSB	Glycosyltransferase
32e	wlaTA	Glycosyltransferase
33e	wlaTB	Glycosyltransferase	Holden et al. (2012)
34e	wlaTC	Glycosyltransferase	Holden et al. (2012)
12e	waaV	Glycosyltransferase
13e	waaF	Heptosyltransferase	Oldfield et al. (2002)

^aAccording to Parker et al. (2008).

^bAccording to Holden et al. (2012).