P22626 (ROA2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 151.
History...
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Heterogeneous nuclear ribonucleoproteins A2/B1 Short name=hnRNP A2/B1 | ||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 353 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Involved with pre-mRNA processing. Forms complexes (ribonucleosomes) with at least 20 other different hnRNP and heterogeneous nuclear RNA in the nucleus. |
| Subunit structure | 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. Ref.11 Ref.14 |
| Subcellular location | Nucleus › nucleoplasm. Cytoplasm. Note: 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. Ref.14 |
| Sequence similarities | Contains 2 RRM (RNA recognition motif) domains. |
Ontologies
Alternative products
| This entry describes 2 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform B1 (identifier: P22626-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform A2 (identifier: P22626-2) The sequence of this isoform differs from the canonical sequence as follows: 3-14: Missing. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||||||||||||||||||
Molecule processing | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 353 | 353 | Heterogeneous nuclear ribonucleoproteins A2/B1 | PRO_0000081836 | |||||||||||||||||||||||
Regions | |||||||||||||||||||||||||||
| Domain | 21 – 104 | 84 | RRM 1 | ||||||||||||||||||||||||
| Domain | 112 – 191 | 80 | RRM 2 | ||||||||||||||||||||||||
| Region | 308 – 347 | 40 | Nuclear targeting sequence By similarity | ||||||||||||||||||||||||
| Motif | 9 – 15 | 7 | Nuclear localization signal Potential | ||||||||||||||||||||||||
| Compositional bias | 202 – 353 | 152 | Gly-rich | ||||||||||||||||||||||||
Amino acid modifications | |||||||||||||||||||||||||||
| Modified residue | 1 | 1 | N-acetylmethionine Ref.5 | ||||||||||||||||||||||||
| Modified residue | 85 | 1 | Phosphoserine Ref.19 Ref.21 | ||||||||||||||||||||||||
| Modified residue | 104 | 1 | N6,N6-dimethyllysine Ref.5 | ||||||||||||||||||||||||
| Modified residue | 149 | 1 | Phosphoserine Ref.21 | ||||||||||||||||||||||||
| Modified residue | 168 | 1 | N6-acetyllysine Ref.20 | ||||||||||||||||||||||||
| Modified residue | 173 | 1 | N6-acetyllysine Ref.20 | ||||||||||||||||||||||||
| Modified residue | 203 | 1 | Dimethylated arginine; alternate Ref.5 Ref.12 | ||||||||||||||||||||||||
| Modified residue | 203 | 1 | Omega-N-methylarginine; alternate Ref.5 Ref.12 | ||||||||||||||||||||||||
| Modified residue | 212 | 1 | Phosphoserine Ref.19 Ref.21 Ref.23 | ||||||||||||||||||||||||
| Modified residue | 213 | 1 | Dimethylated arginine; alternate Ref.5 | ||||||||||||||||||||||||
| Modified residue | 213 | 1 | Omega-N-methylarginine; alternate Ref.5 | ||||||||||||||||||||||||
| Modified residue | 225 | 1 | Phosphoserine Ref.21 Ref.23 | ||||||||||||||||||||||||
| Modified residue | 231 | 1 | Phosphoserine Ref.21 Ref.23 | ||||||||||||||||||||||||
| Modified residue | 236 | 1 | Phosphoserine Ref.23 | ||||||||||||||||||||||||
| Modified residue | 259 | 1 | Phosphoserine Ref.13 Ref.15 Ref.16 Ref.17 Ref.18 Ref.19 Ref.21 Ref.23 | ||||||||||||||||||||||||
| Modified residue | 324 | 1 | Phosphoserine Ref.23 | ||||||||||||||||||||||||
| Modified residue | 331 | 1 | Phosphotyrosine Ref.23 | ||||||||||||||||||||||||
| Modified residue | 341 | 1 | Phosphoserine Ref.13 Ref.15 Ref.17 Ref.21 | ||||||||||||||||||||||||
| Modified residue | 344 | 1 | Phosphoserine Ref.17 Ref.19 Ref.21 Ref.23 | ||||||||||||||||||||||||
Natural variations | |||||||||||||||||||||||||||
| Alternative sequence | 3 – 14 | 12 | Missing in isoform A2. | VSP_005830 | |||||||||||||||||||||||
Experimental info | |||||||||||||||||||||||||||
| Sequence conflict | 205 | 1 | G → S in BAF82118. Ref.4 | ||||||||||||||||||||||||
Secondary structure | |||||||||||||||||||||||||||
Helix Strand Turn | |||||||||||||||||||||||||||
| Helix | 16 – 20 | 5 | |||||||||||||||||||||||||
| Beta strand | 22 – 26 | 5 | |||||||||||||||||||||||||
| Helix | 34 – 41 | 8 | |||||||||||||||||||||||||
| Beta strand | 48 – 52 | 5 | |||||||||||||||||||||||||
| Turn | 56 – 58 | 3 | |||||||||||||||||||||||||
| Beta strand | 63 – 68 | 6 | |||||||||||||||||||||||||
| Helix | 72 – 79 | 8 | |||||||||||||||||||||||||
| Beta strand | 83 – 86 | 4 | |||||||||||||||||||||||||
| Beta strand | 89 – 94 | 6 | |||||||||||||||||||||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Primary structures of the heterogeneous nuclear ribonucleoprotein A2, B1, and C2 proteins: a diversity of RNA binding proteins is generated by small peptide inserts." Burd C.G., Swanson M.S., Goerlach M., Dreyfuss G. Proc. Natl. Acad. Sci. U.S.A. 86:9788-9792(1989) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS B1 AND A2). |
| [2] | "Two homologous genes, originated by duplication, encode the human hnRNP proteins A2 and A1." Biamonti G., Ruggiu M., Saccone S., Della Valle G., Riva S. Nucleic Acids Res. 22:1996-2002(1994) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Tissue: Liver. |
| [3] | "Structure and expression of the gene (HNRPA2B1) encoding the human hnRNP protein A2/B1." Kozu T., Henrich B., Schaefer K.P. Genomics 25:365-371(1995) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. |
| [4] | "Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. Sugano S.Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM B1). Tissue: Glial tumor. |
| [5] | Bienvenut W.V., Lilla S., von Kriegsheim A., Lempens A., Kolch W., Dozynkiewicz M., Norman J.C. Submitted (JUN-2009) to UniProtKB 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, MASS SPECTROMETRY. Tissue: Ovarian carcinoma. |
| [6] | Lubec G., Vishwanath V., Chen W.-Q., Sun Y. Submitted (DEC-2008) to UniProtKB Cited for: PROTEIN SEQUENCE OF 22-38; 154-168; 174-185; 214-228 AND 326-350, MASS SPECTROMETRY. Tissue: Brain, Cajal-Retzius cell and Fetal brain cortex. |
| [7] | "Purification and partial sequencing of the nuclear autoantigen RA33 shows that it is indistinguishable from the A2 protein of the heterogeneous nuclear ribonucleoprotein complex." Steiner G., Hartmuth K., Skriner K., Maurer-Fogy I., Sinski A., Thalmann E., Hassfeld W., Barta A., Smolen J.S. J. Clin. Invest. 90:1061-1066(1992) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 39-46; 154-168; 204-228 AND 267-286. Tissue: Cervix carcinoma. |
| [8] | "ADP-ribosylation of heterogeneous ribonucleoproteins in HeLa cells." Prasad S., Walent J., Dritschilo A. Biochem. Biophys. Res. Commun. 204:772-779(1994) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 80-100. Tissue: Cervix carcinoma. |
| [9] | "Purification and domain structure of core hnRNP proteins A1 and A2 and their relationship to single-stranded DNA-binding proteins." Kumar A., Willams K.R., Szer W. J. Biol. Chem. 261:11266-11273(1986) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 100-107; 121-128 AND 174-180. |
| [10] | "Two-dimensional gel electrophoresis, protein electroblotting and microsequencing: a direct link between proteins and genes." Bauw G., Rasmussen H.H., van den Bulcke M., van Damme J., Puype M., Gesser B., Celis J.E., Vandekerckhove J. Electrophoresis 11:528-536(1990) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 154-160; 204-212 AND 214-228. |
| [11] | "Purification and characterization of native spliceosomes suitable for three-dimensional structural analysis." Jurica M.S., Licklider L.J., Gygi S.P., Grigorieff N., Moore M.J. RNA 8:426-439(2002) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY, IDENTIFICATION IN THE SPLICEOSOMAL C COMPLEX. |
| [12] | "Identifying and quantifying in vivo methylation sites by heavy methyl SILAC." Ong S.E., Mittler G., Mann M. Nat. Methods 1:119-126(2004) [PubMed] [Europe PMC] [Abstract] Cited for: METHYLATION [LARGE SCALE ANALYSIS] AT ARG-203, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [13] | "Improved titanium dioxide enrichment of phosphopeptides from HeLa cells and high confident phosphopeptide identification by cross-validation of MS/MS and MS/MS/MS spectra." Yu L.-R., Zhu Z., Chan K.C., Issaq H.J., Dimitrov D.S., Veenstra T.D. J. Proteome Res. 6:4150-4162(2007) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259 AND SER-341, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [14] | "Molecular composition of IMP1 ribonucleoprotein granules." Joeson L., Vikesaa J., Krogh A., Nielsen L.K., Hansen T., Borup R., Johnsen A.H., Christiansen J., Nielsen F.C. Mol. Cell. Proteomics 6:798-811(2007) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION IN A MRNP GRANULE COMPLEX, INTERACTION WITH IGF2BP1, SUBCELLULAR LOCATION, IDENTIFICATION BY MASS SPECTROMETRY. |
| [15] | "Combining protein-based IMAC, peptide-based IMAC, and MudPIT for efficient phosphoproteomic analysis." Cantin G.T., Yi W., Lu B., Park S.K., Xu T., Lee J.-D., Yates J.R. III J. Proteome Res. 7:1346-1351(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259 AND SER-341, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [16] | "Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle." Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R., Greff Z., Keri G., Stemmann O., Mann M. Mol. Cell 31:438-448(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [17] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259; SER-341 AND SER-344, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [18] | "Large-scale proteomics analysis of the human kinome." Oppermann F.S., Gnad F., Olsen J.V., Hornberger R., Greff Z., Keri G., Mann M., Daub H. Mol. Cell. Proteomics 8:1751-1764(2009) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-259, MASS SPECTROMETRY. |
| [19] | "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions." Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K. Sci. Signal. 2:RA46-RA46(2009) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-85; SER-212; SER-259 AND SER-344, MASS SPECTROMETRY. Tissue: Leukemic T-cell. |
| [20] | "Lysine acetylation targets protein complexes and co-regulates major cellular functions." Choudhary C., Kumar C., Gnad F., Nielsen M.L., Rehman M., Walther T.C., Olsen J.V., Mann M. Science 325:834-840(2009) [PubMed] [Europe PMC] [Abstract] Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-168 AND LYS-173, MASS SPECTROMETRY. |
| [21] | "Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis." Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L., Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M. Sci. Signal. 3:RA3-RA3(2010) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-85; SER-149; SER-212; SER-225; SER-231; SER-259; SER-341 AND SER-344, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [22] | "Initial characterization of the human central proteome." Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., Bennett K.L., Superti-Furga G., Colinge J. BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. |
| [23] | "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation." Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B. Sci. Signal. 4:RS3-RS3(2011) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-212; SER-225; SER-231; SER-236; SER-259; SER-324; TYR-331 AND SER-344, MASS SPECTROMETRY. |
| [24] | "Solution structure of RRM domain in heterogeneous nuclear ribonucleoproteins A2/B1." RIKEN structural genomics initiative (RSGI) Submitted (NOV-2005) to the PDB data bank Cited for: STRUCTURE BY NMR OF 1-103. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EMBL GenBank DDBJ | M29064 mRNA. Translation: AAA60271.1. M29065 mRNA. Translation: AAA36574.1. U09123 U09122 Genomic DNA. Translation: AAB60650.1.D28877 Genomic DNA. Translation: BAA06031.1. D28877 Genomic DNA. Translation: BAA06032.1. AK289429 mRNA. Translation: BAF82118.1. | ||||||||||||
| IPI | IPI00396378. IPI00414696. | ||||||||||||
| PIR | B34504. A56845. | ||||||||||||
| RefSeq | NP_002128.1. NM_002137.3. NP_112533.1. NM_031243.2. | ||||||||||||
| UniGene | Hs.487774. | ||||||||||||
3D structure databases | |||||||||||||
| PDBe RCSB PDB PDBj |
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| ProteinModelPortal | P22626. | ||||||||||||
| ModBase | Search... | ||||||||||||
Protein-protein interaction databases | |||||||||||||
| IntAct | P22626. 51 interactions. | ||||||||||||
| MINT | MINT-4998934. | ||||||||||||
| STRING | 9606.ENSP00000346694. | ||||||||||||
PTM databases | |||||||||||||
| PhosphoSite | P22626. | ||||||||||||
Polymorphism databases | |||||||||||||
| DMDM | 133257. | ||||||||||||
2D gel databases | |||||||||||||
| REPRODUCTION-2DPAGE | IPI00396378. IPI00414696. P22626. | ||||||||||||
| SWISS-2DPAGE | P22626. | ||||||||||||
| UCD-2DPAGE | P22626. | ||||||||||||
Proteomic databases | |||||||||||||
| PaxDb | P22626. | ||||||||||||
| PRIDE | P22626. | ||||||||||||
Protocols and materials databases | |||||||||||||
| StructuralBiologyKnowledgebase | Search... | ||||||||||||
Genome annotation databases | |||||||||||||
| Ensembl | ENST00000354667; ENSP00000346694; ENSG00000122566. ENST00000356674; ENSP00000349101; ENSG00000122566. ENST00000360787; ENSP00000354021; ENSG00000122566. | ||||||||||||
| GeneID | 3181. | ||||||||||||
| KEGG | hsa:3181. | ||||||||||||
| UCSC | uc003sxr.4. human. uc003sxs.4. human. | ||||||||||||
Organism-specific databases | |||||||||||||
| CTD | 3181. | ||||||||||||
| GeneCards | GC07M026229. | ||||||||||||
| HGNC | HGNC:5033. HNRNPA2B1. | ||||||||||||
| HPA | CAB012403. HPA001666. | ||||||||||||
| MIM | 600124. gene. | ||||||||||||
| neXtProt | NX_P22626. | ||||||||||||
| PharmGKB | PA162391140. | ||||||||||||
| GenAtlas | Search... | ||||||||||||
Phylogenomic databases | |||||||||||||
| eggNOG | COG0724. | ||||||||||||
| HOGENOM | HOG000234442. | ||||||||||||
| HOVERGEN | HBG002295. | ||||||||||||
| KO | K13158. | ||||||||||||
| OMA | HYSARTS. | ||||||||||||
| OrthoDB | EOG4HQDKF. | ||||||||||||
| PhylomeDB | P22626. | ||||||||||||
Enzyme and pathway databases | |||||||||||||
| Reactome | REACT_1675. mRNA Processing. REACT_71. Gene Expression. | ||||||||||||
Gene expression databases | |||||||||||||
| Bgee | P22626. | ||||||||||||
| CleanEx | HS_HNRNPA2B1. | ||||||||||||
| Genevestigator | P22626. | ||||||||||||
| GermOnline | ENSG00000122566. Homo sapiens. | ||||||||||||
Family and domain databases | |||||||||||||
| Gene3D | 3.30.70.330. 2 hits. | ||||||||||||
| InterPro | IPR012677. Nucleotide-bd_a/b_plait. IPR000504. RRM_dom. [Graphical view] | ||||||||||||
| Pfam | PF00076. RRM_1. 1 hit. [Graphical view] | ||||||||||||
| SMART | SM00360. RRM. 2 hits. [Graphical view] | ||||||||||||
| PROSITE | PS50102. RRM. 2 hits. [Graphical view] | ||||||||||||
| ProtoNet | Search... | ||||||||||||
Other | |||||||||||||
| ChiTaRS | HNRNPA2B1. human. | ||||||||||||
| EvolutionaryTrace | P22626. | ||||||||||||
| GenomeRNAi | 3181. | ||||||||||||
| NextBio | 12622. | ||||||||||||
| PMAP-CutDB | P22626. | ||||||||||||
| SOURCE | Search... | ||||||||||||
Entry information
| Entry name | ROA2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: P22626 Secondary accession number(s): A8K064 Q9UDJ2 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 7 Human chromosome 7: entries, gene names and cross-references to MIM |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| PDB cross-references Index of Protein Data Bank (PDB) cross-references |
| SIMILARITY comments Index of protein domains and families |

Clusters with
