Protein FDR Confidence Accession Description MW [kDa] SEQUEST Score # Unique Peptides # of Peptides # of PSMs IgG FMRP IgG FMRP IgG FMRP High Q9UQ35 Serine/arginine repetitive matrix protein 2 OS=Homo sapiens GN=SRRM2 PE=1 SV=2 299.4 25.26 14 14 44 High A0A075B6Z2 T-cell receptor alpha joining 56 (Fragment) OS=Homo sapiens GN=TRAJ56 PE=4 SV=1 2.2 0 1.64 1 1 1 2 18 High P11940 Polyadenylate-binding protein 1 OS=Homo sapiens GN=PABPC1 PE=1 SV=2 70.6 29.19 6 12 15 High Q13310 Polyadenylate-binding protein 4 OS=Homo sapiens GN=PABPC4 PE=1 SV=1 70.7 23.2 3 9 10 High P02768 Serum albumin OS=Homo sapiens GN=ALB PE=1 SV=2 69.3 7.53 5.82 2 2 2 5 3 High Q16630 Cleavage and polyadenylation specificity factor subunit 6 OS=Homo sapiens GN=CPSF6 PE=1 SV=2 59.2 13.86 3 3 8 High Q8WWM7 Ataxin-2-like protein OS=Homo sapiens GN=ATXN2L PE=1 SV=2 113.3 5.4 3 3 7 High P68363 Tubulin alpha-1B chain OS=Homo sapiens GN=TUBA1B PE=1 SV=1 50.1 5.93 2 2 3 High P51114 Fragile X mental retardation syndrome-related protein 1 OS=Homo sapiens GN=FXR1 PE=1 SV=3 69.7 7.06 1 3 3 High Q96A08 Histone H2B type 1-A OS=Homo sapiens GN=HIST1H2BA PE=1 SV=3 14.2 0 1 1 3 High P04406 Glyceraldehyde-3-phosphate dehydrogenase OS=Homo sapiens GN=GAPDH PE=1 SV=3 36 2.35 0 1 1 1 2 1 High P51116 Fragile X mental retardation syndrome-related protein 2 OS=Homo sapiens GN=FXR2 PE=1 SV=2 74.2 7.12 1 3 3 High Q96PK6 RNA-binding protein 14 OS=Homo sapiens GN=RBM14 PE=1 SV=2 69.4 6.91 3 3 3 High P62979 Ubiquitin-40S ribosomal protein S27a OS=Homo sapiens GN=RPS27A PE=1 SV=2 18 3.95 0 1 1 1 1 1 High Q92841 Probable ATP-dependent RNA helicase DDX17 OS=Homo sapiens GN=DDX17 PE=1 SV=2 80.2 5.72 2 2 2 High Q9UKF6 Cleavage and polyadenylation specificity factor subunit 3 OS=Homo sapiens GN=CPSF3 PE=1 SV=1 77.4 4.78 2 2 2 High P06312 Immunoglobulin kappa variable 4-1 OS=Homo sapiens GN=IGKV4-1 PE=1 SV=1 13.4 1.74 2.1 1 1 1 1 1 High A0A0B4J203 Uncharacterized protein OS=Homo sapiens PE=3 SV=1 94.6 1.76 2 2 2 High Q06787 Synaptic functional regulator FMR1 OS=Homo sapiens GN=FMR1 PE=1 SV=1 71.1 4.56 2 2 2 High O14497 AT-rich interactive domain-containing protein 1A OS=Homo sapiens GN=ARID1A PE=1 SV=3 241.9 0 1 1 2 High O15027 Protein transport protein Sec16A OS=Homo sapiens GN=SEC16A PE=1 SV=3 233.4 3.61 2 2 2 High Q8WZ42 Titin OS=Homo sapiens GN=TTN PE=1 SV=4 3813.7 0 1 1 2 High Q15149 Plectin OS=Homo sapiens GN=PLEC PE=1 SV=3 531.5 2.08 0 1 1 1 1 1 High Q96PG2 Membrane-spanning 4-domains subfamily A member 10 OS=Homo sapiens GN=MS4A10 PE=2 SV=3 29.7 1.71 1 1 2 High P83731 60S ribosomal protein L24 OS=Homo sapiens GN=RPL24 PE=1 SV=1 17.8 1.98 1 1 1 High Q8NFP9 Neurobeachin OS=Homo sapiens GN=NBEA PE=1 SV=3 327.6 0 1 1 1 High Q7Z5V6 Protein phosphatase 1 regulatory subunit 32 OS=Homo sapiens GN=PPP1R32 PE=1 SV=1 47.3 0 1 1 1 High Q96HS1 Serine/threonine-protein phosphatase PGAM5, mitochondrial OS=Homo sapiens GN=PGAM5 PE=1 SV=2 32 2.34 1 1 1 High Q16650 T-box brain protein 1 OS=Homo sapiens GN=TBR1 PE=2 SV=1 74 1.75 1 1 1 High Q0VDD8 Dynein heavy chain 14, axonemal OS=Homo sapiens GN=DNAH14 PE=2 SV=3 399.6 0 1 1 1 High A0A087WW87 Immunoglobulin kappa variable 2-40 OS=Homo sapiens GN=IGKV2-40 PE=3 SV=2 13.3 2.33 1 1 1 High P11142 Heat shock cognate 71 kDa protein OS=Homo sapiens GN=HSPA8 PE=1 SV=1 70.9 2.5 1 1 1 High Q92499 ATP-dependent RNA helicase DDX1 OS=Homo sapiens GN=DDX1 PE=1 SV=2 82.4 0 1 1 1 High P51532 Transcription activator BRG1 OS=Homo sapiens GN=SMARCA4 PE=1 SV=2 184.5 1.73 1 1 1 High P30050 60S ribosomal protein L12 OS=Homo sapiens GN=RPL12 PE=1 SV=1 17.8 0 1 1 1 High P31025 Lipocalin-1 OS=Homo sapiens GN=LCN1 PE=1 SV=1 19.2 0 1 1 1 High P26378 ELAV-like protein 4 OS=Homo sapiens GN=ELAVL4 PE=1 SV=2 41.7 2.77 1 1 1 High Q7Z417 Nuclear fragile X mental retardation-interacting protein 2 OS=Homo sapiens GN=NUFIP2 PE=1 SV=1 76.1 0 1 1 1 High P01871 Immunoglobulin heavy constant mu OS=Homo sapiens GN=IGHM PE=1 SV=4 49.4 0 1 1 1 High Q16629 Serine/arginine-rich splicing factor 7 OS=Homo sapiens GN=SRSF7 PE=1 SV=1 27.4 0 1 1 1 High Q6PKG0 La-related protein 1 OS=Homo sapiens GN=LARP1 PE=1 SV=2 123.4 0 1 1 1 High P01024 Complement C3 OS=Homo sapiens GN=C3 PE=1 SV=2 187 0 1 1 1 High A0A0U1RRH7 Histone H2A OS=Homo sapiens PE=3 SV=1 18.5 0 1 1 1 High Q10570 Cleavage and polyadenylation specificity factor subunit 1 OS=Homo sapiens GN=CPSF1 PE=1 SV=2 160.8 2.76 1 1 1 High Q02413 Desmoglein-1 OS=Homo sapiens GN=DSG1 PE=1 SV=2 113.7 0 1 1 1 High P62899 60S ribosomal protein L31 OS=Homo sapiens GN=RPL31 PE=1 SV=1 14.5 1.93 1 1 1 High Q9Y2W1 Thyroid hormone receptor-associated protein 3 OS=Homo sapiens GN=THRAP3 PE=1 SV=2 108.6 2.36 1 1 1 High Q5BKY9 Protein FAM133B OS=Homo sapiens GN=FAM133B PE=1 SV=1 28.4 0 1 1 1 High Q3MHD2 Protein LSM12 homolog OS=Homo sapiens GN=LSM12 PE=1 SV=2 21.7 0 1 1 1 High Q96I24 Far upstream element-binding protein 3 OS=Homo sapiens GN=FUBP3 PE=1 SV=2 61.6 0 1 1 1 High P46776 60S ribosomal protein L27a OS=Homo sapiens GN=RPL27A PE=1 SV=2 16.6 2.7 1 1 1