Table 1.

I1-dynein components and mutants

Subunit	Mol. wt.	Gene/mutant	Properties	References
1αHC	523	ida1 (pf9, pf30)	Lacks inner arm I1, slow swimming	Kamiya et al. (1991)
				Myster et al. (1997)
				Porter et al. (1992)
1βHC	511	ida2	Lacks inner arm I1, slow swimming	Kamiya et al. (1991)
				Perrone et al. (2000)
IC140	140	ida7	Lacks inner arm I1, slow swimming	Perrone et al. (1998)
				Yang et al. (1998)
IC138	138	bop5	Partial I1 assembly, regulatory phosphoprotein part of IC138 subcomplex	King et al. (1997)
				Hendrickson et al. (2004)
				Bower et al. (2009)
IC97 (IC110)	90 (110)		Non-WD repeat protein,	Porter et al. (1992)
			homology to Las1/Casc1 proteins, part of IC138 subcomplex	This study
				Bower et al. (2009)
LC8	10	fla14	Required for flagellar assembly, part of I1 dynein, radial spokes and outer dynein arm	Pazour et al. (1998)
				Yang et al. (2001)
LC7a	14	oda15	Required for outer arm assembly, slow swimming, associates with I1 dynein and may interact with LC7b	Pazour and Witman (2000)
				DiBella et al. (2004a)
				Bowman et al. (1999)
				Matsuo et al. (2008)
LC7b	11		LC7/Robl family member, interacts with IC138, interacts with LC3 and DC2 of ODA	Dibella et al. (2004a)
				Hendrickson et al. (2004)
Tctex1	13		Dimeric protein, potential cargo binding activity, also found in cytoplasmic dynein	Harrison et al. (1998)
Tctex2b	13.7	pf16-D2	Not required for I1 assembly, stabilizes I1 dynein	DiBella et al. 2004a
FAP120	42		Not required for I1 dynein assembly, ankryn repeat protein, part of IC138 subcomplex	Ikeda et al. (2009)