Table S4: Occurrence rate of genes within significant clusters in the spc operon


Group	rplN	rplX	rplE	rpsN	rpsH	rplF	rplR	rpsE	rpmD	rplO	SecY	rpmJ
Acidobacteria	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	100.0%	100.0%
Actinobacteria	100.0%	100.0%	100.0%	79.4%	100.0%	100.0%	100.0%	100.0%	88.2%	0.0%	100.0%	61.8%
Alphaproteobacteria	100.0%	100.0%	100.0%	100.0%	100.0%	98.1%	86.5%	100.0%	69.2%	0.0%	100.0%	0.0%
Betaproteobacteria	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	94.4%	100.0%	83.3%
Deltaproteobacteria	100.0%	92.9%	100.0%	85.7%	100.0%	92.9%	100.0%	100.0%	50.0%	0.0%	100.0%	64.3%
Epsilonproteobacteria	100.0%	100.0%	100.0%	72.7%	100.0%	100.0%	9.1%	100.0%	0.0%	0.0%	100.0%	63.6%
Gammaproteobacteria	99.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	90.8%	100.0%	100.0%	76.5%
Aquificae	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
Bacteroidetes/Chlorobi	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	90.0%	10.0%	100.0%	40.0%
Chlamydiae/Verrucomicrobia	100.0%	63.6%	100.0%	0.0%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	100.0%	0.0%
Chloroflexi	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	100.0%	100.0%
Cyanobacteria	100.0%	100.0%	100.0%	36.8%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	94.7%	84.2%
Deinococcus-Thermus	75.0%	75.0%	75.0%	50.0%	100.0%	100.0%	100.0%	100.0%	50.0%	0.0%	100.0%	100.0%
Firmicutes	100.0%	100.0%	100.0%	90.5%	100.0%	100.0%	98.9%	98.9%	66.3%	3.2%	98.9%	86.3%
Fusobacteria	100.0%	0.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	100.0%	0.0%
Planctomycetes	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	0.0%	100.0%	0.0%
Spirochaetes	100.0%	100.0%	100.0%	55.6%	100.0%	100.0%	100.0%	100.0%	33.3%	0.0%	100.0%	88.9%
Thermotogae	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	0.0%	100.0%	100.0%
Total	99.5%	98.2%	99.8%	87.5%	100.0%	99.5%	95.5%	99.8%	69.2%	34.0%	99.2%	65.0%