Table 1. Statistics for the main database, for the biggest order-level databases, and for all databases combined.

The number of proteins in each database is the number of distinct sequences, not the number of protein-coding genes.

Database	genomes	genera	species	proteins, millions	clusters, millions
Main	6,377	6,377	6,377	21.8	-
Pseudomonadales	4,321	163	1,807	11.7	1.9
Burkholderiales	3,772	340	1,997	12.3	2.8
Actinomycetales	3,339	245	1,891	7.7	2.2
Rhizobiales	3,271	215	1,643	12.5	2.4
Lactobacillales	3,223	98	1,071	3.7	0.9
Combined	56,186	6,377	29,413	217.3	44.3