TABLE 4.

Potential S-PM2 inner membrane/thylakoid proteins

ORF	Prediction of inner membrane localizationa	No. of trans-membrane domains	Signal peptide cleavage sitesb	Size (aa)	Comment
7	H, S, T, M	1	28-29	59
11	H, S, T	1		42
12	H, S, T, M	1		134	Putative prohibitin
17	H, S, T, M	2		68
73	H, S, T, M	1	23-24	48
98	H, S, T	1	18-19	76
137	H, S	1		135
149	H, S, T	1		154
161	H, T	1		117
170	H, S, T, M	2		116
171	H, S, T	1		162	Putative HLIP
173	H, S, T	1		39	Putative HLIP
177	P, H, S, T, M	8		359	PsbA
180	P, H, S, T, M	6		353	PsbD
185	H, S, T, M	1		78	Member of a conserved family of cyanobacterial proteins

^aP, PSORT-B prediction score of >7.5 (20); H, HMTOP (67) prediction as a component of PSORT-B; S, SOSUI prediction (30); T, TMHMM prediction (34); M, MaxH prediction score of >0.900.

^bSignalP 3.0 (http://www.cbs.dtu.dk/services/SignalP/) prediction.