E complex IP'd by antibody to U1A, H. sapiens, (Marakov et al 2011)

Name Species Class / Family Also Known As MW # Of Peptides
SF3B1 H. sapiens 17S U2 snRNP Hsh155, MDS, PRP10, PRPF10, SAP155 145.8 45
SF3A1 H. sapiens 17S U2 snRNP PRP21, PRPF21, SAP114, SF3A120 88.9 38
NCBP1 H. sapiens pre-mRNA/mRNA binding proteins CBP80, MGC2087, NCBP, Sto1 91.8 32
PUF60 H. sapiens 17S U2 snRNP associated FIR, FLJ31379, RoBPI, SIAHBP1 59.9 29
SF3B3 H. sapiens 17S U2 snRNP KIAA0017, RSE1, SAP130, SF3b130, STAF130 135.6 25
GEMIN4 H. sapiens DKFZp434B131, DKFZp434D174, HC56, HCAP1, HHRF-1 120.0 23
SF3B2 H. sapiens 17S U2 snRNP Cus1, SAP145, SF3B145, SF3b1, SF3b150 100.2 15
SF3A3 H. sapiens 17S U2 snRNP PRP9, PRPF9, SAP61, SF3a60 58.8 15
RBM25 H. sapiens Recruited at A complex MGC105088, MGC117168, NET52, RED120, RNPC7 100.2 12
SNRNP70 H. sapiens U1 snRNP RNPU1Z, RPU1, SNRP70, Snp1, U1-70K 51.6 12
SNRPD2 H. sapiens Sm SMD2, SNRPD1, Sm-D2 13.5 11
SF3A2 H. sapiens 17S U2 snRNP PRP11, PRPF11, SAP62, SF3a66 49.3 10
SRRT H. sapiens pre-mRNA/mRNA binding proteins ARS2, ASR2, MGC126427, serrate 100.7 9
PRPF40A H. sapiens Recruited at A complex FBP-11, FBP11, FLAF1, FLJ20585, FNBP3 108.8 9
GEMIN5 H. sapiens GEM DKFZp586M1824, GEMIN-5, MGC142174 168.6 9
EFTUD2 H. sapiens U5 snRNP DKFZp686E24196, FLJ44695, KIAA0031, MFDM, Snrp116 109.4 8
SF3B6 H. sapiens 17S U2 snRNP SF3B14, CGI-110, HSPC175, Ht006, P14, SAP14 14.6 8
HNRNPR H. sapiens hnRNP FLJ25714, HNRPR, hnRNP R, hnRNP-R 70.9 8
SF1 H. sapiens Recruited at A complex BBP, D11S636, MBBP, ZFM1, ZNF162 68.3 8
U2AF2 H. sapiens 17S U2 snRNP associated U2AF65 53.5 7
SRSF1 H. sapiens SR protein ASF, FLJ53078, MGC5228, SF2, SF2p33 27.7 7
SRRM2 H. sapiens SR related 300-KD, CWF21, Cwc21, DKFZp667L0421, DKFZp686O15166 299.6 7
SNRPA H. sapiens U1 snRNP Mud1, U1-A, U1A 31.3 7
CPSF6 H. sapiens CPSF CFIM, CFIM68, HPBRII-4, HPBRII-7 59.2 7
HTATSF1 H. sapiens 17S U2 snRNP associated TAT-SF1, dJ196E23.2 85.9 6
RBM39 H. sapiens pre-mRNA/mRNA binding proteins CAPER, CAPERalpha, DKFZp781C0423, FLJ44170, FSAP59 59.4 6
SNRPA1 H. sapiens 17S U2 snRNP Lea1 28.4 6
SNRPB H. sapiens Sm COD, SNRPB1, Sm-B/B', SmB/B', SmB/SmB' 24.6 6
DDX5 H. sapiens pre-mRNA/mRNA binding proteins DKFZp434E109, DKFZp686J01190, G17P1, HLR1, HUMP68 69.1 6
HNRNPM H. sapiens hnRNP CEAR, DKFZp547H118, HNRNPM4, HNRPM, HNRPM4 77.5 6
STRAP H. sapiens MAWD, PT-WD, UNRIP 38.4 6
SMARCA4 H. sapiens SMARC- chromatin-related BAF190, BAF190A, BRG1, FLJ39786, MRD16 184.6 5
DDX46 H. sapiens 17S U2 snRNP associated FLJ25329, KIAA0801, MGC9936, PRPF5, Prp5 117.4 5
SRSF7 H. sapiens SR protein 9G8, AAG3, SFRS7 27.4 5
SNRPD3 H. sapiens Sm SMD3, Sm-D3 13.9 5
SRSF5 H. sapiens SR protein HRS, SFRS5, SRP40 31.3 5
LUC7L3 H. sapiens CRA, CREAP-1, CROP, LUC7A, OA48-18 51.5 4
NCBP2 H. sapiens pre-mRNA/mRNA binding proteins CBC2, CBP20, NIP1, PIG55 18.0 4
RBMXL2 H. sapiens hnRNP HNRNPG-T, HNRNPGT, HNRPGT 42.8 4
SYNCRIP H. sapiens hnRNP FLJ31626, GRY-RBP, GRYRBP, HNRPQ1, NSAP1 69.6 3
PRPF19 H. sapiens PRP19 complex NMP200, PRP19, PSO4, SNEV, UBOX4 55.2 3
ACTL6A H. sapiens common MS contaminants ACTL6, ARPN-BETA, Arp4, BAF53A, INO80K 47.5 3
SKIV2L2 H. sapiens misc. proteins found irregularly with spliceosomes Dob1, KIAA0052, MGC142069, Mtr4, fSAP118 117.8 3
HNRNPU H. sapiens hnRNP HNRPU, SAF-A, U21.1, hnRNP U 90.6 3
SNRPB2 H. sapiens 17S U2 snRNP MGC24807, MGC45309, Msl1 25.5 3
DDX20 H. sapiens GEM DKFZp434H052, DP103, GEMIN3 92.2 3
SNRPC H. sapiens U1 snRNP FLJ20302, U1C, Yhc1 17.4 3
PCBP1 H. sapiens hnRNP HNRPE1, HNRPX, hnRNP-E1, hnRNP-X 37.5 3
SRSF6 H. sapiens SR protein B52, FLJ08061, MGC5045, SFRS6, SRP55 39.6 3
GEMIN6 H. sapiens FLJ23459 18.8 3
RBM7 H. sapiens pre-mRNA/mRNA binding proteins FLJ11153 30.5 3
DDX17 H. sapiens pre-mRNA/mRNA binding proteins DKFZp761H2016, P72, RH70 80.3 3
PCBP2 H. sapiens hnRNP HNRPE2, MGC110998, hnRNP-E2 38.6 3
PRPF4 H. sapiens U4/U6 snRNP HPRP4, HPRP4P, PRP4, Prp4p 58.4 2
U2AF1 H. sapiens 17S U2 snRNP associated DKFZp313J1712, FP793, RN, RNU2AF1, U2AF35 27.9 2
DDX23 H. sapiens U5 snRNP MGC8416, PRPF28, U5-100K, U5-100KD, prp28 95.6 2
HNRNPA1 H. sapiens hnRNP HNRPA1, HNRPA1L3, MGC102835, hnRNP A1, hnRNP-A1 38.7 2
RUVBL2 H. sapiens CGI-46, ECP51, INO80J, REPTIN, RVB2 51.2 2
SF3B4 H. sapiens 17S U2 snRNP AFD1, Hsh49, MGC10828, SAP49, SF3b49 44.4 2
SNRPE H. sapiens Sm B-raf, SME, Sm-E 10.8 2
HNRNPC H. sapiens hnRNP C1, C2, HNRNP, HNRPC, MGC104306 33.7 2
FUS H. sapiens hnRNP ALS6, FUS1, HNRNPP2, POMP75, TLS 53.4 2
HNRNPL H. sapiens hnRNP FLJ35509, HNRPL, P/OKcl.14, hnRNP-L 64.1 2
KHSRP H. sapiens alternative splicing factor FBP2, FUBP2, KSRP, MGC99676 73.1 2
DHX15 H. sapiens 17S U2 snRNP associated DBP1, DDX15, HRH2, PRP43, PRPF43 90.9 1
PRPF6 H. sapiens U5 snRNP ANT-1, ANT1, C20orf14, Prp6, TOM 106.9 1
SRSF8 H. sapiens SR protein SFRS2B, SRP46 32.3 1
HNRNPA2B1 H. sapiens hnRNP DKFZp779B0244, FLJ22720, HNRNPA2, HNRNPB1, HNRPA2 37.4 1
SMN1 H. sapiens BCD541, SMA, SMA1, SMA2, SMA3 31.8 1
SNRPD1 H. sapiens Sm HsT2456, SMD1, SNRPD, Sm-D1 13.3 1
HNRNPD H. sapiens hnRNP AUF1, AUF1A, HNRPD, P37, hnRNPD0 38.4 1

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