Table 1

Summary of source data

Data type
Total data points for the human genome
Points within SDs

H2AZ
7,536,100
152,848
H2BK5me1
8,942,880
184,251
H3K27me1
10,047,279
196,347
H3K27me2
9,070,882
180,054
H3K27me3
8,970,141
176,060
H3K36me1
8,077,127
164,151
H3K36me3
13,572,575
313,579
H3K4me1
11,322,526
213,535
H3K4me2
5,447,902
100,330
H3K4me3
16,845,478
361,316
H3K79me1
10,041,806
213,775
H3K79me2
2,058,068
40,023
H3K79me3
8,114,474
240,709
H3K9me1
9,311,627
170,633
H3K9me2
9,782,127
188,748
H3K9me3
6,348,997
147,639
H3R2me1
9,560,224
208,646
H3R2me2
6,521,560
147,126
H4K20me1
11,015,873
205,009
H4K20me3
5,720,089
370,598
H4R3me2
7,357,597
173,684
Pol II
4,150,378
85,849
CTCF
2,947,043
65,080



H3K4me3, ES
478,213
37,413
H3K27me3, ES
257,574
24,480



RefSeq genes
18,957
3,366
Duplicated pseudogenes
2,550
1,276
Processed pseudogenes
8,234
2,786
Other pseudogenes
6,809
2,412

In the analyses of histone modifications and transcription factor binding, a data point is a read (that is, tag) from ChIP sequencing. The third column lists the numbers of ChIP tags (or genes, or pseudogenes) within the human SDs.

Zheng Genome Biology 2008 9:R105   doi:10.1186/gb-2008-9-7-r105