TABLE S1 List of mRNAs found in Staufen155-HA containing mRNPs Probe Set ID Gene Symbol Gene Title 223183_at AGPAT3 1-acylglycerol-3-phosphate O-acyltransferase 3 223184_s_at AGPAT3 1-acylglycerol-3-phosphate O-acyltransferase 3 225440_at AGPAT3 1-acylglycerol-3-phosphate O-acyltransferase 3 232103_at BPNT1 3'(2'), 5'-bisphosphate nucleotidase 1 218786_at NT5DC3 5'-nucleotidase domain containing 3 227482_at ADCK1 aarF domain containing kinase 1 228490_at ABHD2 abhydrolase domain containing 2 218581_at ABHD4 abhydrolase domain containing 4 213198_at ACVR1B activin A receptor, type IB 234312_s_at ACSS2 acyl-CoA synthetase short-chain family member 2 219986_s_at ACAD10 acyl-Coenzyme A dehydrogenase family, member 10 204241_at ACOX3 acyl-Coenzyme A oxidase 3, pristanoyl 209765_at ADAM19 ADAM metallopeptidase domain 19 (meltrin beta) 1552727_s_at ADAMTS17 ADAM metallopeptidase with thrombospondin type 1 motif, 17 235649_at ADAMTS8 ADAM metallopeptidase with thrombospondin type 1 motif, 8 237159_x_at AP1S3 adaptor-related protein complex 1, sigma 3 subunit 1570032_at AP3B2 adaptor-related protein complex 3, beta 2 subunit 202399_s_at AP3S2 adaptor-related protein complex 3, sigma 2 subunit 235647_at AP4S1 Adaptor-related protein complex 4, sigma 1 subunit 203865_s_at ADARB1 adenosine deaminase, RNA-specific, B1 (RED1 homolog rat) 213245_at ADCY1 adenylate cyclase 1 (brain) 204497_at ADCY9 adenylate cyclase 9 228308_at ARF3 ADP-ribosylation factor 3 213433_at ARL3 ADP-ribosylation factor-like 3 1561274_at ADRBK2 Adrenergic, beta, receptor kinase 2 228771_at ADRBK2 adrenergic, beta, receptor kinase 2 232488_at AGXT2L2 alanine-glyoxylate aminotransferase 2-like 2 221589_s_at ALDH6A1 aldehyde dehydrogenase 6 family, member A1 221590_s_at ALDH6A1 Aldehyde dehydrogenase 6 family, member A1 205621_at ALKBH1 alkB, alkylation repair homolog 1 (E. coli) 222228_s_at ALKBH4 alkB, alkylation repair homolog 4 (E. coli) 210720_s_at APBA2BP amyloid beta (A4) precursor protein-binding, family A, member 2 binding protein 215148_s_at APBA3 amyloid beta (A4) precursor protein-binding, family A, member 3 (X11-like 2) 209462_at APLP1 amyloid beta (A4) precursor-like protein 1 223266_at ALS2CR2 amyotrophic lateral sclerosis 2 (juvenile) chromosome region, candidate 2 224900_at ANKFY1 ankyrin repeat and FYVE domain containing 1 227720_at ANKRD13B ankyrin repeat domain 13B 1556361_s_at ANKRD13C ankyrin repeat domain 13C 241321_at ANKRD23 Ankyrin repeat domain 23 228257_at ANKRD52 ankyrin repeat domain 52 200940_s_at RERE arginine-glutamic acid dipeptide (RE) repeats 1559121_s_at ARIH2 Ariadne homolog 2 (Drosophila) 238878_at ARX aristaless related homeobox 228944_at ALX3 Aristaless-like homeobox 3 202820_at AHR aryl hydrocarbon receptor 218115_at ASF1B ASF1 anti-silencing function 1 homolog B (S. cerevisiae) 223355_at ALG1 asparagine-linked glycosylation 1 homolog (S. cerevisiae, beta-1,4-mannosyltransferase) 203545_at ALG8 asparagine-linked glycosylation 8 homolog (S. cerevisiae, alpha-1,3-glucosyltransferase) 240008_at ARID1B AT rich interactive domain 1B (SWI1-like) 238589_s_at ATXN2 Ataxin 2 232612_s_at ATG16L1 ATG16 autophagy related 16-like 1 (S. cerevisiae) 213115_at ATG4A ATG4 autophagy related 4 homolog A (S. cerevisiae) 201854_s_at ASCIZ ATM/ATR-Substrate Chk2-Interacting Zn2+-finger protein 237400_at ATP5S ATP synthase, H+ transporting, mitochondrial F0 complex, subunit s (factor B) 209186_at ATP2A2 ATPase, Ca++ transporting, cardiac muscle, slow twitch 2 212361_s_at ATP2A2 ATPase, Ca++ transporting, cardiac muscle, slow twitch 2 212930_at ATP2B1 ATPase, Ca++ transporting, plasma membrane 1 212135_s_at ATP2B4 ATPase, Ca++ transporting, plasma membrane 4 209935_at ATP2C1 ATPase, Ca++ transporting, type 2C, member 1 212062_at ATP9A ATPase, Class II, type 9A 1554557_at ATP11B ATPase, Class VI, type 11B 228363_at BIRC4 baculoviral IAP repeat-containing 4 212312_at BCL2L1 BCL2-like 1 /// BCL2-like 1 226798_at BCL2L13 BCL2-like 13 (apoptosis facilitator) 219521_at B3GAT1 beta-1,3-glucuronyltransferase 1 (glucuronosyltransferase P) 1562391_at B3GALNT2 Beta-1,3-N-acetylgalactosaminyltransferase 2 222462_s_at BACE1 beta-site APP-cleaving enzyme 1 222446_s_at BACE2 beta-site APP-cleaving enzyme 2 223023_at BET1L blocked early in transport 1 homolog (S. cerevisiae)-like 1569522_at BOLA2 BolA homolog 2 (E. coli) 243302_at BCKDHB Branched chain keto acid dehydrogenase E1, beta polypeptide (maple syrup urine disease) 218955_at BRF2 BRF2, subunit of RNA polymerase III transcription initiation factor, BRF1-like 230497_at BRUNOL5 bruno-like 5, RNA binding protein (Drosophila) 205299_s_at BTN2A2 butyrophilin, subfamily 2, member A2 40020_at CELSR3 cadherin, EGF LAG seven-pass G-type receptor 3 (flamingo homolog, Drosophila) 1561017_at CAB39L Calcium binding protein 39-like 204811_s_at CACNA2D2 calcium channel, voltage-dependent, alpha 2/delta subunit 2 218309_at CAMK2N1 calcium/calmodulin-dependent protein kinase II inhibitor 1 230706_s_at CAMK2N2 calcium/calmodulin-dependent protein kinase II inhibitor 2 212252_at CAMKK2 calcium/calmodulin-dependent protein kinase kinase 2, beta 219365_s_at CAMKV CaM kinase-like vesicle-associated 201988_s_at CREBL2 cAMP responsive element binding protein-like 2 228323_at CASC5 cancer susceptibility candidate 5 1560225_at CNR1 Cannabinoid receptor 1 (brain) 32094_at CHST3 carbohydrate (chondroitin 6) sulfotransferase 3 223978_s_at CRLS1 cardiolipin synthase 1 232198_at CRLS1 Cardiolipin synthase 1 201380_at CRTAP cartilage associated protein 227138_at CRTAP cartilage associated protein 242486_at CSNK1G1 Casein kinase 1, gamma 1 226032_at CASP2 caspase 2, apoptosis-related cysteine peptidase 208050_s_at CASP2 caspase 2, apoptosis-related cysteine peptidase 213274_s_at CTSB cathepsin B 231234_at CTSC cathepsin C 229746_x_at CEBPZ CCAAT/enhancer binding protein zeta 239719_at CD109 CD109 molecule 221556_at CDC14B CDC14 cell division cycle 14 homolog B (S. cerevisiae) 214721_x_at CDC42EP4 CDC42 effector protein (Rho GTPase binding) 4 218062_x_at CDC42EP4 CDC42 effector protein (Rho GTPase binding) 4 225531_at CABLES1 Cdk5 and Abl enzyme substrate 1 213977_s_at CIZ1 CDKN1A interacting zinc finger protein 1 1559006_at --- CDNA clone IMAGE:4304686 1559007_s_at --- CDNA clone IMAGE:4304686 238126_at --- CDNA clone IMAGE:4791585 226883_at --- CDNA clone IMAGE:4793058 1557487_at --- CDNA clone IMAGE:4797099 1568799_at --- CDNA clone IMAGE:4798168 1558605_at --- CDNA clone IMAGE:4819775 1558606_s_at --- CDNA clone IMAGE:4819775 238477_at --- CDNA clone IMAGE:4830091 228108_at --- CDNA clone IMAGE:5263177 239278_at --- CDNA clone IMAGE:5301129 242462_at --- CDNA clone IMAGE:5301514 227229_at --- CDNA clone IMAGE:5303499 1556586_x_at --- CDNA clone IMAGE:5310697 215128_at --- CDNA FLJ11682 fis, clone HEMBA1004880 226116_at --- CDNA FLJ12540 fis, clone NT2RM4000425 232107_at --- CDNA FLJ13332 fis, clone OVARC1001813 239866_at --- CDNA FLJ14392 fis, clone HEMBA1003166 217423_at --- CDNA FLJ20250 fis, clone COLF6635 235637_s_at --- CDNA FLJ23896 fis, clone LNG15157 236537_at --- CDNA FLJ23896 fis, clone LNG15157 238604_at --- CDNA FLJ25559 fis, clone JTH02834 236097_at --- CDNA FLJ25731 fis, clone TST05584 1556582_at --- CDNA FLJ25946 fis, clone JTH14258 225339_at --- CDNA FLJ26141 fis, clone TST03911 235434_at --- CDNA FLJ30141 fis, clone BRACE2000148 235224_s_at --- CDNA FLJ30383 fis, clone BRACE2008102 238824_at --- CDNA FLJ30581 fis, clone BRAWH2007069 237885_at --- CDNA FLJ30897 fis, clone FEBRA2005476 1557265_at --- CDNA FLJ31889 fis, clone NT2RP7003091 230581_at --- CDNA FLJ32217 fis, clone PLACE6003771 240928_at --- CDNA FLJ32498 fis, clone SKNSH2000319 228835_at --- CDNA FLJ33090 fis, clone TRACH2000559 228191_at --- CDNA FLJ33420 fis, clone BRACE2020028 1556194_a_at --- CDNA FLJ33585 fis, clone BRAMY2012163 228328_at --- CDNA FLJ33653 fis, clone BRAMY2024715 225710_at --- CDNA FLJ34013 fis, clone FCBBF2002111 235893_at --- CDNA FLJ34312 fis, clone FEBRA2008265 221937_at --- CDNA FLJ34482 fis, clone HLUNG2004067 64418_at --- CDNA FLJ34482 fis, clone HLUNG2004067 1565577_s_at --- CDNA FLJ34486 fis, clone HLUNG2004217 226773_at --- CDNA FLJ35131 fis, clone PLACE6008824 222900_at --- CDNA FLJ35910 fis, clone TESTI2009987 1557667_at --- CDNA FLJ36588 fis, clone TRACH2013991 226577_at --- CDNA FLJ36867 fis, clone ASTRO2016491 1556205_at --- CDNA FLJ37227 fis, clone BRAMY2000277 227193_at --- CDNA FLJ37631 fis, clone BRCOC2015944 1557383_a_at --- CDNA FLJ38112 fis, clone D3OST2002272 228650_at --- CDNA FLJ38469 fis, clone FEBRA2021892 238936_at --- CDNA FLJ39162 fis, clone OCBBF2002376 1555845_at --- CDNA FLJ39218 fis, clone OCBBF2006660 243976_at --- CDNA FLJ39332 fis, clone OCBBF2017069 235109_at --- CDNA FLJ40581 fis, clone THYMU2007729 227117_at --- CDNA FLJ40762 fis, clone TRACH2002847 227509_x_at --- CDNA FLJ40982 fis, clone UTERU2014601 242043_s_at --- CDNA FLJ40982 fis, clone UTERU2014601 212248_at MTDH CDNA FLJ41088 fis, clone ASTRO2002459 /// Metadherin 235268_at --- CDNA FLJ41128 fis, clone BRACE2018448 235027_at --- CDNA FLJ41146 fis, clone BRACE2036900 228971_at --- CDNA FLJ41216 fis, clone BRALZ2017620 225256_at --- CDNA FLJ41369 fis, clone BRCAN2006117 242691_at --- CDNA FLJ41369 fis, clone BRCAN2006117 227603_at --- CDNA FLJ41385 fis, clone BRCAN2022191 225923_at --- CDNA FLJ41394 fis, clone BRCAN2026197 229715_at --- CDNA FLJ41663 fis, clone FEBRA2027297 239231_at --- CDNA FLJ41910 fis, clone PEBLM2007834 236402_at --- CDNA FLJ42263 fis, clone TKIDN2014570 235679_at --- CDNA FLJ42928 fis, clone BRSSN2007076 243007_at