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P08579

- RU2B_HUMAN

UniProt

P08579 - RU2B_HUMAN

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Protein
U2 small nuclear ribonucleoprotein B''
Gene
SNRPB2
Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

Involved in pre-mRNA splicing. This protein is associated with snRNP U2. It binds stem loop IV of U2 snRNA only in presence of the U2A' protein.

GO - Molecular functioni

  1. nucleotide binding Source: InterPro
  2. protein binding Source: IntAct
  3. snRNA binding Source: InterPro
Complete GO annotation...

GO - Biological processi

  1. RNA splicing Source: Reactome
  2. gene expression Source: Reactome
  3. mRNA processing Source: ProtInc
  4. mRNA splicing, via spliceosome Source: UniProtKB
Complete GO annotation...

Keywords - Molecular functioni

Ribonucleoprotein

Keywords - Biological processi

mRNA processing, mRNA splicing

Keywords - Ligandi

RNA-binding

Enzyme and pathway databases

ReactomeiREACT_467. mRNA Splicing - Major Pathway.

Names & Taxonomyi

Protein namesi
Recommended name:
U2 small nuclear ribonucleoprotein B''
Short name:
U2 snRNP B''
Gene namesi
Name:SNRPB2
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 20

Organism-specific databases

HGNCiHGNC:11155. SNRPB2.

Subcellular locationi

GO - Cellular componenti

  1. U2 snRNP Source: ProtInc
  2. catalytic step 2 spliceosome Source: UniProtKB
  3. nucleolus Source: HPA
  4. nucleoplasm Source: Reactome
  5. nucleus Source: HPA
  6. spliceosomal complex Source: HGNC
Complete GO annotation...

Keywords - Cellular componenti

Nucleus, Spliceosome

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA35996.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 225225U2 small nuclear ribonucleoprotein B''
PRO_0000081892Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei111 – 1111N6-acetyllysine By similarity
Modified residuei151 – 1511Phosphotyrosine1 Publication

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

MaxQBiP08579.
PaxDbiP08579.
PeptideAtlasiP08579.
PRIDEiP08579.

PTM databases

PhosphoSiteiP08579.

Expressioni

Gene expression databases

BgeeiP08579.
CleanExiHS_SNRPB2.
GenevestigatoriP08579.

Organism-specific databases

HPAiHPA050814.

Interactioni

Subunit structurei

Identified in the spliceosome C complex. Present in a spliceosome complex assembled in vitro, and composed of SNRPB2, HPRP8BP and CRNKL1.2 Publications

Binary interactionsi

WithEntry#Exp.IntActNotes
SNRPA1P096612EBI-1053651,EBI-876439

Protein-protein interaction databases

BioGridi112513. 43 interactions.
IntActiP08579. 12 interactions.
MINTiMINT-156501.
STRINGi9606.ENSP00000246071.

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi7 – 137
Helixi20 – 3213
Beta strandi37 – 415
Turni46 – 505
Beta strandi52 – 587
Helixi59 – 6810
Beta strandi80 – 834
Helixi89 – 957

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1A9NX-ray2.38B/D1-96[»]
ProteinModelPortaliP08579.
SMRiP08579. Positions 3-96, 146-225.

Miscellaneous databases

EvolutionaryTraceiP08579.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini7 – 8680RRM 1
Add
BLAST
Domaini151 – 22575RRM 2
Add
BLAST

Sequence similaritiesi

Belongs to the RRM U1 A/B'' family.

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiNOG317159.
HOGENOMiHOG000217519.
HOVERGENiHBG000895.
InParanoidiP08579.
KOiK11094.
OMAiPQNPMVI.
OrthoDBiEOG77DJ77.
PhylomeDBiP08579.
TreeFamiTF313834.

Family and domain databases

Gene3Di3.30.70.330. 2 hits.
InterProiIPR012677. Nucleotide-bd_a/b_plait.
IPR000504. RRM_dom.
IPR024888. U1_snRNP_A/U2_snRNP_B''.
[Graphical view]
PANTHERiPTHR10501. PTHR10501. 1 hit.
PfamiPF00076. RRM_1. 1 hit.
[Graphical view]
SMARTiSM00360. RRM. 2 hits.
[Graphical view]
PROSITEiPS50102. RRM. 2 hits.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P08579-1 [UniParc]FASTAAdd to Basket

« Hide

MDIRPNHTIY INNMNDKIKK EELKRSLYAL FSQFGHVVDI VALKTMKMRG    50
QAFVIFKELG SSTNALRQLQ GFPFYGKPMR IQYAKTDSDI ISKMRGTFAD 100
KEKKKEKKKA KTVEQTATTT NKKPGQGTPN SANTQGNSTP NPQVPDYPPN 150
YILFLNNLPE ETNEMMLSML FNQFPGFKEV RLVPGRHDIA FVEFENDGQA 200
GAARDALQGF KITPSHAMKI TYAKK 225
Length:225
Mass (Da):25,486
Last modified:August 1, 1988 - v1
Checksum:i67C949CC7E14A92A
GO

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti19 – 191K → Q in a colorectal cancer sample; somatic mutation. 1 Publication
VAR_035487

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M15841 mRNA. Translation: AAA36796.1.
AK313004 mRNA. Translation: BAG35840.1.
AL034428 Genomic DNA. Translation: CAB38777.2.
CH471133 Genomic DNA. Translation: EAX10284.1.
CH471133 Genomic DNA. Translation: EAX10285.1.
BC018022 mRNA. Translation: AAH18022.1.
BC036737 mRNA. Translation: AAH36737.1.
CCDSiCCDS13123.1.
PIRiA25910.
RefSeqiNP_003083.1. NM_003092.4.
NP_937863.1. NM_198220.2.
UniGeneiHs.280378.

Genome annotation databases

EnsembliENST00000246071; ENSP00000246071; ENSG00000125870.
ENST00000377943; ENSP00000367178; ENSG00000125870.
GeneIDi6629.
KEGGihsa:6629.
UCSCiuc002wph.2. human.

Polymorphism databases

DMDMi134095.

Keywords - Coding sequence diversityi

Polymorphism

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M15841 mRNA. Translation: AAA36796.1 .
AK313004 mRNA. Translation: BAG35840.1 .
AL034428 Genomic DNA. Translation: CAB38777.2 .
CH471133 Genomic DNA. Translation: EAX10284.1 .
CH471133 Genomic DNA. Translation: EAX10285.1 .
BC018022 mRNA. Translation: AAH18022.1 .
BC036737 mRNA. Translation: AAH36737.1 .
CCDSi CCDS13123.1.
PIRi A25910.
RefSeqi NP_003083.1. NM_003092.4.
NP_937863.1. NM_198220.2.
UniGenei Hs.280378.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1A9N X-ray 2.38 B/D 1-96 [» ]
ProteinModelPortali P08579.
SMRi P08579. Positions 3-96, 146-225.
ModBasei Search...

Protein-protein interaction databases

BioGridi 112513. 43 interactions.
IntActi P08579. 12 interactions.
MINTi MINT-156501.
STRINGi 9606.ENSP00000246071.

PTM databases

PhosphoSitei P08579.

Polymorphism databases

DMDMi 134095.

Proteomic databases

MaxQBi P08579.
PaxDbi P08579.
PeptideAtlasi P08579.
PRIDEi P08579.

Protocols and materials databases

DNASUi 6629.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000246071 ; ENSP00000246071 ; ENSG00000125870 .
ENST00000377943 ; ENSP00000367178 ; ENSG00000125870 .
GeneIDi 6629.
KEGGi hsa:6629.
UCSCi uc002wph.2. human.

Organism-specific databases

CTDi 6629.
GeneCardsi GC20P016658.
HGNCi HGNC:11155. SNRPB2.
HPAi HPA050814.
MIMi 603520. gene.
neXtProti NX_P08579.
PharmGKBi PA35996.
GenAtlasi Search...

Phylogenomic databases

eggNOGi NOG317159.
HOGENOMi HOG000217519.
HOVERGENi HBG000895.
InParanoidi P08579.
KOi K11094.
OMAi PQNPMVI.
OrthoDBi EOG77DJ77.
PhylomeDBi P08579.
TreeFami TF313834.

Enzyme and pathway databases

Reactomei REACT_467. mRNA Splicing - Major Pathway.

Miscellaneous databases

EvolutionaryTracei P08579.
GeneWikii SNRPB2.
GenomeRNAii 6629.
NextBioi 25823.
PROi P08579.
SOURCEi Search...

Gene expression databases

Bgeei P08579.
CleanExi HS_SNRPB2.
Genevestigatori P08579.

Family and domain databases

Gene3Di 3.30.70.330. 2 hits.
InterProi IPR012677. Nucleotide-bd_a/b_plait.
IPR000504. RRM_dom.
IPR024888. U1_snRNP_A/U2_snRNP_B''.
[Graphical view ]
PANTHERi PTHR10501. PTHR10501. 1 hit.
Pfami PF00076. RRM_1. 1 hit.
[Graphical view ]
SMARTi SM00360. RRM. 2 hits.
[Graphical view ]
PROSITEi PS50102. RRM. 2 hits.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Analysis of a cDNA clone expressing a human autoimmune antigen: full-length sequence of the U2 small nuclear RNA-associated B' antigen."
    Habets W.J., Sillekens P.T.G., Hoet M.H., Schalken J.A., Roebroek A.J.M., Leunissen J.A.M., de Ven W.J.M., van Venrooij W.J.
    Proc. Natl. Acad. Sci. U.S.A. 84:2421-2425(1987) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  2. "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.
    , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
    Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Cerebellum.
  3. "The DNA sequence and comparative analysis of human chromosome 20."
    Deloukas P., Matthews L.H., Ashurst J.L., Burton J., Gilbert J.G.R., Jones M., Stavrides G., Almeida J.P., Babbage A.K., Bagguley C.L., Bailey J., Barlow K.F., Bates K.N., Beard L.M., Beare D.M., Beasley O.P., Bird C.P., Blakey S.E.
    , Bridgeman A.M., Brown A.J., Buck D., Burrill W.D., Butler A.P., Carder C., Carter N.P., Chapman J.C., Clamp M., Clark G., Clark L.N., Clark S.Y., Clee C.M., Clegg S., Cobley V.E., Collier R.E., Connor R.E., Corby N.R., Coulson A., Coville G.J., Deadman R., Dhami P.D., Dunn M., Ellington A.G., Frankland J.A., Fraser A., French L., Garner P., Grafham D.V., Griffiths C., Griffiths M.N.D., Gwilliam R., Hall R.E., Hammond S., Harley J.L., Heath P.D., Ho S., Holden J.L., Howden P.J., Huckle E., Hunt A.R., Hunt S.E., Jekosch K., Johnson C.M., Johnson D., Kay M.P., Kimberley A.M., King A., Knights A., Laird G.K., Lawlor S., Lehvaeslaiho M.H., Leversha M.A., Lloyd C., Lloyd D.M., Lovell J.D., Marsh V.L., Martin S.L., McConnachie L.J., McLay K., McMurray A.A., Milne S.A., Mistry D., Moore M.J.F., Mullikin J.C., Nickerson T., Oliver K., Parker A., Patel R., Pearce T.A.V., Peck A.I., Phillimore B.J.C.T., Prathalingam S.R., Plumb R.W., Ramsay H., Rice C.M., Ross M.T., Scott C.E., Sehra H.K., Shownkeen R., Sims S., Skuce C.D., Smith M.L., Soderlund C., Steward C.A., Sulston J.E., Swann R.M., Sycamore N., Taylor R., Tee L., Thomas D.W., Thorpe A., Tracey A., Tromans A.C., Vaudin M., Wall M., Wallis J.M., Whitehead S.L., Whittaker P., Willey D.L., Williams L., Williams S.A., Wilming L., Wray P.W., Hubbard T., Durbin R.M., Bentley D.R., Beck S., Rogers J.
    Nature 414:865-871(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  4. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  5. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Brain and Uterus.
  6. "Crooked neck is a component of the human spliceosome and implicated in the splicing process."
    Chung S., Zhou Z., Huddleston K.A., Harrison D.A., Reed R., Coleman T.A., Rymond B.C.
    Biochim. Biophys. Acta 1576:287-297(2002) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION IN SPLICEOSOMAL COMPLEX WITH HPRP8BP AND CRNKL1.
  7. "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.
  8. "Immunoaffinity profiling of tyrosine phosphorylation in cancer cells."
    Rush J., Moritz A., Lee K.A., Guo A., Goss V.L., Spek E.J., Zhang H., Zha X.-M., Polakiewicz R.D., Comb M.J.
    Nat. Biotechnol. 23:94-101(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT TYR-151, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
  9. Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
  10. "Crystal structure of the spliceosomal U2B'-U2A' protein complex bound to a fragment of U2 small nuclear RNA."
    Price S.R., Evans P.R., Nagai K.
    Nature 394:645-650(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (2.38 ANGSTROMS) OF 1-96.
  11. Cited for: VARIANT [LARGE SCALE ANALYSIS] GLN-19.

Entry informationi

Entry nameiRU2B_HUMAN
AccessioniPrimary (citable) accession number: P08579
Secondary accession number(s): B2R7J3, D3DW21, Q9UJD4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1988
Last sequence update: August 1, 1988
Last modified: September 3, 2014
This is version 155 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny 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.

Miscellaneousi

Miscellaneous

Patients with systemic lupus erythematosus produce antibodies which interact with snRNP proteins.

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. Human chromosome 20
    Human chromosome 20: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  6. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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