Table 1.

Properties of chlorosome proteins from “Ca. Chloracidobacterium thermophilum”

Protein	Locus taga	Predicted mass (kDa)	Predicted no. of transmembrane domainsb	Predicted pIb	Comment
CsmA	A1765	8.15	None	6.55	BChl a-binding baseplate protein
CsmU	B0831	9.82	None	6.72	Function unknown
CsmR	B0542	10.27	1	7.99	Function unknown
CsmS	A1839	13.07	2	8.89	Function unknown
CsmT	A0992	13.48	2	4.72	Function unknown
CsmV	A2114	29.34	1	7.67	Contains [2Fe-2S]-binding motif
NADH dehydrogenase	B0793	48.53	4	8.56	Reduction of quencher?

^aLocus tags beginning with A indicate genes encoded on chromosome 1; locus tags beginning with B indicate genes encoded on chromosome 2.

^bPredicted by using the ExPASY Proteomics server (23).