From: The architecture of mammalian ribosomal protein promoters
(a) Occurrence of transcription factor binding sites: proportion of genes with at least one binding site. | |||||
---|---|---|---|---|---|
FACTOR | HUMAN RP GENES | HUMAN NON-RP TOP GENES | HOUSEKEEPING GENES | ||
 | Aligned | Total | Aligned | Total | Total |
GABP (5' of tsp) | 54 % | 68 % | 22 % * | 33 % | 35% |
SP1 (5' of tsp) | 48 % | 70 % | 89 % | 89 % | 90 % |
GABP or SP1 | 76 % | 92 % | 100 % | 100 % | 95 % |
YY1 (3' of tsp) | 52 % | 59 % | 11 % †| 11 % †| 10 % †|
(b) Potential for TBP binding to TATA boxes in the -25 region: proportion of genes in each category. | |||||
TATA BOX QUALITY | RP GENES | NON-RP TOP GENES | HOUSEKEEPING GENES | ||
+ | 35 % | 89 % ‡ | 30 % | ||
+/– | 25 % | – | 20 % | ||
– | 39 % | 11 % ‡ | 50 % |