Table 1.

Distribution of Arr sequences and median GC content of the arr and genome of their hosts.

Phylum	# Sequences	Genome median GC (%)	arr median GC (%)	min arr median GC (%)	max arr median GC (%)	arr median size (bp)	SD of arr GC
Acidobacteria	7	0.58	0.56	0.53	0.61	414	0.0336
Actinobacteria	3559	0.64	0.63	0.48	0.75	426	0.0388
Bacteroidetes	401	0.38	0.43	0.35	0.64	438	0.0620
Balneolaeota	1	0.48	0.38	0.38	0.38	438	–
Cyanobacteria	20	0.47	0.52	0.46	0.61	417	0.0340
Deinococcus-Thermus	2	0.65	0.55	0.5	0.61	412.5	0.0778
Firmicutes	1398	0.4	0.38	0.27	0.61	417	0.0604
Proteobacteria	3668	0.57	0.47	0.32	0.74	453	0.0687
Rhodothermaeota	1	0.72	0.68	0.68	0.68	417	-
Verrucomicrobia	6	0.6	0.59	0.55	0.65	417	0.0320
Plasmids
Phylum	# Sequences	Plasmid median GC (%)	arr median GC (%)	min arr median GC (%)	max arr median GC (%)	arr median size (bp)	SD of arr GC
Actinobacteria	2	0.715	0.685	0.68	0.69	417	0.0070
Bacteroidetes	2	0.32	0.38	0.38	0.38	447	0
Firmicutes	7	0.37	0.32	0.31	0.33	417	0.00690
Proteobacteria	306	0.52	0.47	0.36	0.63	453	0.0368

*SD standard derivation.