Macrogenetic Atlas of Prokaryotes (MAP)

An open resource integrating large-scale genomic and population genetic data with phylogenetic, phenotypic and ecological information

Know your species

Discover the genomic and population genetic features of “your species” — and see how it compares across all prokaryotes

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What does a typical prokaryotic species look like?

Discover the median and interquartile range (IQR) of key genomic /population genetic parameters that define the "average" prokaryotic species

Genome size
4.0 (2.9-5.3) Mb
Gene number
3722 (2724-4797)
Gene length
831 (793-860) bp
Coding proportion
88% (86%-90%)
GC content
55.3% (41.5%-65.6%)
Codon bias index
0.16 (-0.01-0.25)
tRNA number
53 (46-65)
rRNA number
5 (3-8)
RM-gene number
28 (21-35)
IS number
20 (8-41)
Phage-gene number
58 (33-90)
CRISPR array number
1 (0-2)
Genetic diversity (πs)
0.062 (0.03-0.135)
dN/dS
0.078 (0.06-0.1)
Substitution rate (subs/site/year)
5.7×10-7 (2×10-7-1.4×10-6)
Gene fluidity
0.22 (0.17-0.28)
Core-gene number
2422 (1577-3486)
Pan-gene number
5338 (3311-7478)
r² 10 bp
0.52 (0.41-0.66)
r² 10Kb
0.24 (0.17-0.36)
Rec. h/m (Rep.)
0.54 (0.35-0.74)
Rec. c
0.43 (0.27-0.57)
Rec. r/m (Rep.)
4.7 (2.3-8.8)
Rec. r/m (CG)
1.76 (0.68-4.3)

Overview of genomic and population genetic parameters

Genomic parameters

Population genetic parameters