Table 1.

Known PP1 Interacting Proteins

		PP1-BMs
Clone ID	No. Clones	RVxF	SILK	Chr	Uniprot accession number	Reference of interaction discovery
AATK	1	KAVSF		17	Q6ZMQ8	(Gagnon et al., 2007)
AXIN1	4	RVAF/RVEF	SILK	3	Q96S65	(Luo et al., 2007)
C1QA	16	RSLGF/KGLF		1	P02745	(Fardilha et al., 2011b)
CNST	25	RRVRF	SILK	1	Q6PJW8	(Fardilha et al., 2011b)
C9orf75	45	KISF / RAIRW		9	Q4KMQ1	(Esteves, 2008; Trinkle-Mulcahy et al., 2006)
KIAA1949	4	KISF		6	Q6NYC8	(Kao et al., 2007; Trinkle-Mulcahy et al., 2006)
LAP1B	14	REVRF/ KVNF/ KVKF	SILK	1	Q5JTV8	(Santos, 2009)
NEK2	2	KVHF		1	P51955	(Helps et al., 2000a)
PHACTR3	2	RNIF		20	Q96KR7	(Sagara et al., 2003)
PPP1R2	1	KLHY	GILK	3	P41236	(Huang and Glinsmann, 1976)
PPP1R3C	5	KRVVF / KNVSF /RITF / KIEF		10	Q9UQK1	(Doherty et al., 1996)
PPP1R3D	2	RVQF / LRVRF		6	O95685	(Armstrong et al., 1997)
PPP1R3E	1	RVRF		14	Q9H7J1	(Ceulemans et al., 2002; Munro et al., 2005)
PPP1R9B	14	RKIHF		17	Q96SB3	(Allen et al., 1997a)
PPP1R13A	17	RVKF		1	Q13625	(Helps et al., 1995)
PPP1R13B	5	LRVRF		14	Q96KQ4	(Helps et al., 1995)
PPP1R3G	1	KRVQF		6	B7ZBB8	(Ceulemans et al., 2002)
PPP1R13L	2			19	Q8WUF5	(Colland et al., 2004)
PPP1R15B	3	KKVTF		1	Q5SWA1	(Jousse et al., 2003)
PPP1R16A	1	KQVLF		8	Q96I34	(Skinner and Saltiel, 2001)
RANBP9	20	RMIHF		6	Q96S59	(Fardilha et al., 2011b)
RIF1	9	KKIAF/ RRVSF	SILK	2	Q5UIP0	(Moorhead et al., 2008; Trinkle-Mulcahy et al., 2006)
SH3RF2	4	KTVRF		5	Q8TEC5	(Chen et al., 2009)
STAU1	16	RKVTF		20	O95793	(Monshausen et al., 2002)
WBP11	1	RKVGF / LSVRF	SILK	12	Q9Y2W2	(Llorian et al., 2004)
YLPM1	8	RVGF / KRVRW / RAIGF		14	P49750	(Tran et al., 2004; Ulke-Lemee et al., 2007)
ZFYVE9	3	RRVWF / KVIRW		1	O95405	(Bennett and Alphey, 2002; Colland et al., 2004)

Number of clones indicate the count of isolated cDNA clones for the respective protein.

PP1-BMs, PP1 binding motifs; Chr, chromosome.