Table 3. Distribution of microarray probe hits within CAMERA's Non-Identical Nucleotide Sequence and All Prokaryotic Genomes databases.

Database	CAMERA's Non-Identical	All Prokaryotic
Total number of probes with hits	2,077 (93.3%)	2,186 (98.2%)
Probes with single hits	1,459 (65.5%)	1,595 (71.6%)
Probes with double hits	330 (14.8%)	339 (15.2%)
Probes with multiple hits	288 (12.9%)	252 (11.3%)
Probes with all hits from the same genus	1, 921 (86.3%)	2,019 (90.7%)
Probes with all hits from the same family	2,031 (91.4%)	2,152 (96.7%)
Probes with some hits outside of the family	46 (2%)	34 (1.5%)

The numbers in brackets are percentages of the total number of probes (2,226).