From: Implications of human genome structural heterogeneity: functionally related genes tend to reside in organizationally similar genomic regions
GC range
OP groups
Segments
Protein coding genes
Genes per segment
L1, <37%
5
5350
641
0.12
L2, 37-42%,
9
10610
4131
0.39
H1, 42-47%
15
8738
6701
0.77
H2, 47-52%
7
3269
4727
1.44
H3, >52%
2
901
2059
2.29
Total
38
28868
18259
0.63