Table 4.

Intergenic Regions with Reduced GC Contenta^a

Intergenic Region	Local GC Minb	CACACA	TTAAAA
UL2-UL3	Yes	No	No
UL3-UL4	Yes	No	No
UL7-UL8	No	Yes	No
UL10-UL11	Yes	Yes	Yes (2)
UL15 (ex 1)-UL16	No	Yes (2)	No
UL15 (ex 2)-UL18	Yes	Yes	No
UL20-UL21	Yes	No	No
UL21-UL22	No	No	No
UL22-UL23	Yes	No	No
UL24-UL25	Yes	No	No
UL25-UL26	No	No	No
UL26-UL27	Yes	Yes (3)	Yes
UL35-UL36	Yes	No	Yes
UL36-UL37	No	No	No
UL38-UL39	Yes	Yes	No
UL40-UL41	No	No	No
UL42-UL43	Yes	Yes (2)	No
UL44-UL45	Yes	No	Yes
UL45-UL46	Yes	Yes	No
UL50-UL51	Yes	Yes	No
UL54-UL55	No	No	No
UL55-UL56	Yes	Yes	No
US1-US2	Yes	No	No
US3-US4	No	No	No
US4-US5	No	Yes	No
US5-US6	Yes	Yes	Yes
US6-US7	No	No	No
US7-US8	Yes	No	No
US9-US10	Yes	No	No
Total	19	16	6
Total per 10,000 bp	28.4	23.9	9.0

^aIntergenic regions with reduced GC content are those with GC contents in the range of 46.3%-61.7%.

^bLocal GC minima are those identified by visual inspection of the GC content trace as defined in a sliding 120 bp window as shown in Fig. (4).