. 2001 Jan;67(1):6–14. doi: 10.1128/AEM.67.1.6-14.2001

TABLE 3.

Transcriptional initiation sites and putative promoter regions for the celY promoter in DH5α(pLOI2323)^a

Sequence^b	RNA start	Proposed ς factors	ς Factor consensus sequence
Sequence^b	RNA start	Proposed ς factors	−35	−10
`ATATTTTTGATTTTTCAAGAAAAGCCTGATATCTTCCAACATCTT`	T	ς⁷⁰	`TTGACA`	`TATAAT`
`GATTTGATCCTCTAGAGTCAACCTGCTTGTTACTCGTGATCCCAT`	A	ς⁷⁰	`TTGACA`	`TATAAT`
`GAGTCAACCTGCTTGTTACTCGTGATCCCATTCACAAGGGCGAA`	C	ς³²	`CTTGAAA`	`CCCCAT`
`TTACTCGTGATCCCATTCACAAGGGCGAATTAATTCGCCCTT`	C	ς³⁸	`CCGCCT`	`TATACT`

Transcriptional starts for celY were identified by primer extension analysis. Four putative promoters are shown.

Upstream regions with similarity to E. coli −35 (left) and −10 (right) regions are underlined. RNA start sites are shown in boldface.