Table 1. Major spermatogenesis-specific FBF targets, from Block I.

	RNA	Biochemical functiona	Biological functionb	References
1	fog-3	Tob/BTG RNA regulator	Sperm fate specification	Ellis and Kimble (1995)
2	F58F12.2	Predicted transmembrane protein	Unknown	Krogh et al. (2001); Petersen et al. (2011)
3	gska-3	MOK protein kinase	Development	Mulder et al. (2003)
4	W02B12.12	Testis-specific serine/threonine-protein kinase	Unknown	WormBase
5	C56G2.5	Kinase	Unknown	WormBase
6	ZK622.1	Ortholog of human FER tyrosine kinase	Unknown	WormBase
7	C35E7.10	FER tyrosine kinase (non-receptor)	Viability	WormBase
8	moa-1	Tyrosine phosphatase	Unknown	Ewald et al. (2012)
9	osta-1	Solute carrier family 51, alpha subunit	Cilia morphology	Olivier-Mason et al. (2013)
10	glo-4	Guanine nucleotide exchange factor	Viability	Hermann et al. (2005)
11	Y57G11A.2	Vitelline membrane outer layer protein	Unknown	WormBase
12	snpc-1.3	Ortholog of human SNAPC1	Unknown	WormBase
13	ZK973.8	BTB/POZ domain protein	Neural development	WormBase
14	F27C8.5	BTB/POZ domain protein	Unknown	Mulder et al. (2003)
15	linc-36	lincRNA	Unknown	WormBase
16	glct-6	Glucuronyltransferase	Life span	Kim and Sun (2007)
17	pitr-5	Phosphate transporter	Unknown	WormBase
18	ZK686.5	C2H2-like zinc finger	Unknown	WormBase
19	C42C1.3	Novelc	Fertility	Sun et al. (2011)
20	D1081.12	Novelc	Unknown	WormBase
21	C06C3.10	Novelc	Unknown	WormBase
22	ttr-9	Transthyretin-like proteinc	Unknown	WormBase
23	ZK637.12	Novel	Unknown	WormBase
24	C35A11.2	Novel, with signal peptide	Unknown	WormBase
25	C44B9.2	Novel	Unknown	WormBase
26	C09H10.9	Novel	Unknown	WormBase
27	F42G4.2	Novel	Unknown	WormBase
28	F52F12.5	Novel	Unknown	WormBase
29	T05F1.5	Novel	Unknown	WormBase

^aBiochemical functions are predicted from protein domains or homology with characterized proteins.

^bBiological functions are deduced from mutant phenotypes.

^cProtein contains an N-terminal transmembrane helix.