From: Computational prediction of CRISPR cassettes in gut metagenome samples from Chinese type-2 diabetic patients and healthy controls
Number of repeats
Sequence families associated
Motifs
Superclass A
138
2, 7
6
Superclass B
102
1,6
1,2,7
Superclass C
168
5
3,4
Superclass D
32
None
11
Superclass E
48
9,24
3,4,15,16
Superclass F
182
13,23
3,4,15,17,18