Identified in the spliceosome C complex. Identified in a mRNP granule complex, at least composed of ACTB, ACTN4, DHX9, ERG, HNRNPA1, HNRNPA2B1, HNRNPAB, HNRNPD, HNRNPL, HNRNPR, HNRNPU, HSPA1, HSPA8, IGF2BP1, ILF2, ILF3, NCBP1, NCL, PABPC1, PABPC4, PABPN1, RPLP0, RPS3, RPS3A, RPS4X, RPS8, RPS9, SYNCRIP, TROVE2, YBX1 and untranslated mRNAs. Interacts with IGF2BP1.
Function:
Involved with pre-mRNA processing. Forms complexes (ribonucleosomes) with at least 20 other different hnRNP and heterogeneous nuclear RNA in the nucleous.
Subcellular Location:
Nucleus
nucleoplasm
Cytoplasm
Localized in cytoplasmic mRNP granules containing untranslated mRNAs. Component of ribonucleosomes. Predominantly nucleoplasmic, however isoform A2 is also found in the cytoplasm of cells in some tissues. Not found in the nucleolus.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS B1 AND A2)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM B1)
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Cited for: PROTEIN SEQUENCE OF 1-12; 22-59; 63-89; 100-147; 153-185; 201-266 AND 326-350;ACETYLATION AT MET-1;METHYLATION AT LYS-104; ARG-203 AND ARG-213;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: PROTEIN SEQUENCE OF 22-38; 154-168; 174-185; 214-228 AND 326-350;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: PROTEIN SEQUENCE OF 39-46; 154-168; 204-228 AND 267-286
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Cited for: PROTEIN SEQUENCE OF 100-107; 121-128 AND 174-180
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Cited for: PROTEIN SEQUENCE OF 154-160; 204-212 AND 214-228
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY;IDENTIFICATION IN THE SPLICEOSOMAL C COMPLEX
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Cited for: METHYLATION [LARGE SCALE ANALYSIS] AT ARG-203;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259 AND SER-341;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION IN A MRNP GRANULE COMPLEX;INTERACTION WITH IGF2BP1;SUBCELLULAR LOCATION;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259 AND SER-341;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259; SER-341 AND SER-344;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-85; SER-212; SER-259 AND SER-344;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-168 AND LYS-173;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-85; SER-149; SER-212; SER-225; SER-231; SER-259; SER-341 AND SER-344;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-212; SER-225; SER-231; SER-236; SER-259; SER-324; TYR-331 AND SER-344;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT MET-1;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]