Table 1.

Genes Highly Expressed in Drosophila melanogaster Female Sperm Storage Organs with Information on the Presence and Identity of Seminal Fluid Protein Paralogs.

Family	Gene	Classa	Sfp Paralog	References
Spermathecal endopeptidases (SEND)	CG17012 (Send1)	Serine protease	None	Allen and Spradling (2008), Arbeitman et al. (2004), Chintapalli et al. (2007), Prokupek et al. (2009)
	CG17234
	CG17239
	CG17240 (ser12)
	CG18125 (Send2)
	CG31861
Inactive spermathecal endopeptidases	CG9897	Inactive serine protease	CG32833	Allen and Spradling (2008), Chintapalli et al. (2007), Prokupek et al. (2009)
	CG32834
Yolk protein	CG2985 (Yp1)	Lipase	CG5162	Allen and Spradling (2008), Prokupek et al. (2009)
	CG2979 (Yp2)
	CG11129 (Yp3)
Other	CG6426b	Destabilase	None	Allen and Spradling (2008), Prokupek et al. (2009)
	CG13318	Serine protease	None	Chintapalli et al. (2007)
	CG18067b	3′,5′-cyclic-nucleotide phosphodiesterase activity	None	Allen and Spradling (2008), Prokupek et al. (2009)
	CG18525	Serine protease inhibitor	None	Allen and Spradling (2008), Prokupek et al. (2009)
	CG18628b	No conserved domains	None	Prokupek et al. (2009)
	CG30371	Serine protease	None	Prokupek et al. (2009)
	CG31686	No conserved domains	None	Chintapalli et al. (2007)
	CG32277	Serine protease	None	Allen and Spradling (2008), Chintapalli et al. (2007), Prokupek et al. (2009)
	CG32751	Hydrolase	None	Chintapalli et al. (2007)

^aBased on Flybase.org (Marygold et al. 2013), SMART (Letunic et al. 2012), and Pfam classifications (Punta et al. 2012).

^bSeminal fluid protein-encoding genes (Swanson et al. 2001; Findlay et al. 2008).