C complex exons trimmed, H. sapiens, (Ilagan et al 2009)

Name	Species	Class / Family	Also Known As	MW	# Of Peptides
CRNKL1	H. sapiens	PRP19 related	CLF, CRN, Clf1, HCRN, MSTP021	100.5	44
EFTUD2	H. sapiens	U5 snRNP	DKFZp686E24196, FLJ44695, KIAA0031, MFDM, Snrp116	109.4	38
SNRNP200	H. sapiens	U5 snRNP	ASCC3L1, BRR2, FLJ11521, HELIC2, RP33	244.5	32
PRPF8	H. sapiens	U5 snRNP	HPRP8, PRP8, PRPC8, RP13	273.6	28
SF3B3	H. sapiens	17S U2 snRNP	KIAA0017, RSE1, SAP130, SF3b130, STAF130	135.6	28
AQR	H. sapiens	PRP19 related	DKFZp686B23123, IBP160, KIAA0560, fSAP164	171.3	24
CDC5L	H. sapiens	PRP19 complex	CDC5, CDC5-LIKE, CEF1, KIAA0432, PCDC5RP	92.3	14
PRPF19	H. sapiens	PRP19 complex	NMP200, PRP19, PSO4, SNEV, UBOX4	55.2	14
CWC22	H. sapiens	Recruited at Bact complex	EIF4GL, KIAA1604, NCM, fSAPb	105.5	10
DHX8	H. sapiens	Second step factors	DDX8, HRH1, PRP22, PRPF22	139.3	10
HSPA8	H. sapiens	PRP19 complex	HSC54, HSC70, HSC71, HSP71, HSP73	70.9	10
PLRG1	H. sapiens	PRP19 complex	Cwc1, MGC110980, PRL1, PRP46, PRPF46	57.2	10
SF3B1	H. sapiens	17S U2 snRNP	Hsh155, MDS, PRP10, PRPF10, SAP155	145.8	9
HNRNPC	H. sapiens	hnRNP	C1, C2, HNRNP, HNRPC, MGC104306	33.7	8
SF3A1	H. sapiens	17S U2 snRNP	PRP21, PRPF21, SAP114, SF3A120	88.9	8
SNW1	H. sapiens	PRP19 related	Bx42, MGC119379, NCOA-62, PRPF45, Prp45	61.5	8
DHX15	H. sapiens	17S U2 snRNP associated	DBP1, DDX15, HRH2, PRP43, PRPF43	90.9	6
PPWD1	H. sapiens	Recruited at C complex	FLJ33156, FLJ36356, KIAA0073	73.6	6
RBM22	H. sapiens	PRP19 related	Cwc2, FLJ10290, ZC3H16, fSAP47	46.9	6
DHX35	H. sapiens	Recruited at C complex	C20orf15, DDX35, FLJ22759, KAIA0875	78.9	5
SNRNP40	H. sapiens	U5 snRNP	40K, FLJ41108, HPRP8BP, MGC1910, PRP8BP	39.3	5
CDC40	H. sapiens	Second step factors	EHB3, FLJ10564, MGC102802, PRP17, PRPF17	65.5	5
DDX41	H. sapiens	Recruited at C complex	ABS, MGC8828	69.8	5
DHX16	H. sapiens	Recruited at Bact complex	DBP2, DDX16, PRO2014, PRP8, PRPF2	119.3	4
CACTIN	H. sapiens	Recruited at C complex	C19orf29, FLJ17482, FLJ59622, NY-REN-24, fSAPc	88.7	4
SNRPD2	H. sapiens	Sm	SMD2, SNRPD1, Sm-D2	13.5	3
SNRPE	H. sapiens	Sm	B-raf, SME, Sm-E	10.8	3
DDX23	H. sapiens	U5 snRNP	MGC8416, PRPF28, U5-100K, U5-100KD, prp28	95.6	3
SLU7	H. sapiens	Second step factors	9G8, MGC9280, hSlu7	68.4	3
SF3B2	H. sapiens	17S U2 snRNP	Cus1, SAP145, SF3B145, SF3b1, SF3b150	100.2	3
SKIV2L2	H. sapiens	misc. proteins found irregularly with spliceosomes	Dob1, KIAA0052, MGC142069, Mtr4, fSAP118	117.8	3
ISY1	H. sapiens	PRP19 related	FSAP33, KIAA1160	33.0	3
PPIL2	H. sapiens	Recruited at Bact complex	CYC4, CYP60, Cyp-60, FLJ39930, MGC33174	58.8	3
PPIE	H. sapiens	PRP19 related	CYP-33, CYP33, MGC111222, MGC3736	33.4	3
HNRNPA1	H. sapiens	hnRNP	HNRPA1, HNRPA1L3, MGC102835, hnRNP A1, hnRNP-A1	38.7	3
SNRPD1	H. sapiens	Sm	HsT2456, SMD1, SNRPD, Sm-D1	13.3	3
HNRNPA2B1	H. sapiens	hnRNP	DKFZp779B0244, FLJ22720, HNRNPA2, HNRNPB1, HNRPA2	37.4	2
SNRPA1	H. sapiens	17S U2 snRNP	Lea1	28.4	2
SNRPB2	H. sapiens	17S U2 snRNP	MGC24807, MGC45309, Msl1	25.5	2
EIF4A3	H. sapiens	EJC/mRNP	DDX48, DKFZp686O16189, KIAA0111, MGC10862, NMP265	46.9	2
DHX38	H. sapiens	Second step factors	DDX38, KIAA0224, PRP16, PRPF16	140.5	2
HNRNPR	H. sapiens	hnRNP	FLJ25714, HNRPR, hnRNP R, hnRNP-R	70.9	2
CWC27	H. sapiens	Recruited at Bact complex	NY-CO-10, SDCCAG10	53.8	2
PPIL1	H. sapiens	PRP19 related	CGI-124, CYPL1, MGC678, PPIase, hCyPX	18.2	2
BUD13	H. sapiens	RES complex	Cwc26, FLJ27090, MGC13125, fSAP71	70.5	2
DDX5	H. sapiens	pre-mRNA/mRNA binding proteins	DKFZp434E109, DKFZp686J01190, G17P1, HLR1, HUMP68	69.1	1
HNRNPL	H. sapiens	hnRNP	FLJ35509, HNRPL, P/OKcl.14, hnRNP-L	64.1	1
ILF2	H. sapiens		MGC8391, NF45, PRO3063	43.1	1
MAGOH	H. sapiens	EJC/mRNP	MAGOH1, MAGOHA	17.2	1
SNRPB	H. sapiens	Sm	COD, SNRPB1, Sm-B/B', SmB/B', SmB/SmB'	24.6	1
SNRPD3	H. sapiens	Sm	SMD3, Sm-D3	13.9	1
PABPN1	H. sapiens	pre-mRNA/mRNA binding proteins	OPMD, PAB2, PABII, PABP-2, PABP2	32.7	1
BCAS2	H. sapiens	PRP19 complex	DAM1, SPF27, Snt309	26.1	1
USP39	H. sapiens	tri-snRNP	65K, CGI-21, FLJ33136, HSPC332, MGC75069	65.4	1
U2SURP	H. sapiens	17S U2 snRNP associated	KIAA0332, MGC133197, SR140, fSAPa	118.3	1
SYF2	H. sapiens	Recruited at C complex	CBPIN, DKFZp564O2082, NTC31, P29, fSAP29	28.7	1
GPKOW	H. sapiens	Recruited at Bact complex	GPATC5, GPATCH5, Spp2, T54	52.2	1
LSM3	H. sapiens	LSm	SMX4, USS2, YLR438C	11.8	1
SF3B6	H. sapiens	17S U2 snRNP	SF3B14, CGI-110, HSPC175, Ht006, P14, SAP14	14.6	1
LSM8	H. sapiens	LSm	, N(alpha)-acetyltransferase 38, NAA38, NatC auxiliary subunit, FLJ33242, LSM8	10.4	1
GPATCH1	H. sapiens	Recruited at Bact complex	ECGP, FLJ10206, FLJ34516, FLJ38686, GPATC1	103.3	1
PHF5A	H. sapiens	17S U2 snRNP	INI, MGC1346, Rds3, SAP14b, SF3b14b	12.4	1
HNRNPU	H. sapiens	hnRNP	HNRPU, SAF-A, U21.1, hnRNP U	90.6	1
SMU1	H. sapiens	Recruited at B complex	BWD, DKFZp761L0916, FLJ10805, FLJ10870, FLJ11970	57.5	1
GCFC1	H. sapiens	pre-mRNA/mRNA binding proteins	BM020, C21orf66, FLJ90561, FSAP105, GCFC	104.8	1