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Entry version 138 (08 May 2019)
Sequence version 1 (01 Jun 2001)
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Protein

Splicing factor 3B subunit 1

Gene

Sf3b1

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. May also be involved in the assembly of the 'E' complex. Belongs also to the minor U12-dependent spliceosome, which is involved in the splicing of rare class of nuclear pre-mRNA intron.By similarity

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

  • chromatin binding Source: MGI
  • mRNA binding Source: GO_Central

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionRNA-binding
Biological processmRNA processing, mRNA splicing

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-5250924 B-WICH complex positively regulates rRNA expression
R-MMU-72163 mRNA Splicing - Major Pathway
R-MMU-72165 mRNA Splicing - Minor Pathway

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Splicing factor 3B subunit 1
Alternative name(s):
Pre-mRNA-splicing factor SF3b 155 kDa subunit
Short name:
SF3b155
Spliceosome-associated protein 155
Short name:
SAP 155
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Sf3b1
Synonyms:Sap155
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMus musculus (Mouse)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Unplaced

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:1932339 Sf3b1

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Nucleus, Spliceosome

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001743241 – 1304Splicing factor 3B subunit 1Add BLAST1304

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei125PhosphothreonineBy similarity1
Modified residuei129PhosphoserineCombined sources1
Modified residuei141N6-acetyllysineBy similarity1
Modified residuei142PhosphothreonineCombined sources1
Modified residuei157Citrulline1 Publication1
Modified residuei194PhosphoserineBy similarity1
Modified residuei203PhosphothreonineBy similarity1
Modified residuei207PhosphothreonineCombined sources1
Modified residuei211PhosphothreonineCombined sources1
Modified residuei214N6-acetyllysine; alternateCombined sources1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section describes <strong>covalent linkages</strong> of various types formed <strong>between two proteins (interchain cross-links)</strong> or <strong>between two parts of the same protein (intrachain cross-links)</strong>, except the disulfide bonds that are annotated in the <a href="http://www.uniprot.org/manual/disulfid">'Disulfide bond'</a> subsection.<p><a href='/help/crosslnk' target='_top'>More...</a></p>Cross-linki214Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternateBy similarity
Modified residuei223PhosphothreonineCombined sources1
Modified residuei227PhosphothreonineCombined sources1
Modified residuei229PhosphoserineCombined sources1
Modified residuei235PhosphothreonineCombined sources1
Modified residuei244PhosphothreonineCombined sources1
Modified residuei248PhosphothreonineCombined sources1
Modified residuei257PhosphothreonineCombined sources1
Modified residuei261PhosphothreonineCombined sources1
Modified residuei267PhosphothreonineCombined sources1
Modified residuei273PhosphothreonineCombined sources1
Modified residuei278PhosphothreonineCombined sources1
Modified residuei287PhosphoserineCombined sources1
Modified residuei296PhosphothreonineCombined sources1
Modified residuei299PhosphothreonineBy similarity1
Modified residuei303PhosphothreonineCombined sources1
Modified residuei313PhosphothreonineCombined sources1
Modified residuei322PhosphoserineBy similarity1
Modified residuei326PhosphothreonineCombined sources1
Modified residuei328PhosphothreonineCombined sources1
Modified residuei332PhosphoserineCombined sources1
Modified residuei341PhosphothreonineCombined sources1
Modified residuei344PhosphoserineCombined sources1
Modified residuei349PhosphoserineBy similarity1
Modified residuei350PhosphothreonineCombined sources1
Modified residuei354PhosphothreonineBy similarity1
Modified residuei400PhosphoserineCombined sources1
Cross-linki413Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO1); alternateBy similarity
Cross-linki413Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternateBy similarity
Modified residuei426PhosphothreonineBy similarity1
Cross-linki430Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)By similarity
Modified residuei434PhosphothreonineCombined sources1
Modified residuei436PhosphothreonineCombined sources1
Modified residuei488PhosphoserineCombined sources1
Modified residuei554N6-acetyllysineBy similarity1
Modified residuei562N6-acetyllysineBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Phosphorylated. Phosphorylation occurs concomitantly with the splicing catalytic steps. Phosphorylation on Thr-244, Thr-248 and Thr-313 by cyclin-dependent kinases promotes interaction with PPP1R8 during mitosis (By similarity).By similarity
Citrullinated by PADI4.1 Publication

Keywords - PTMi

Acetylation, Citrullination, Isopeptide bond, Phosphoprotein, Ubl conjugation

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
Q99NB9

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q99NB9

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q99NB9

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q99NB9

PRoteomics IDEntifications database

More...
PRIDEi
Q99NB9

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q99NB9

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q99NB9

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
Q99NB9

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Ubiquitous.

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Component of the B-WICH complex, at least composed of SMARCA5/SNF2H, BAZ1B/WSTF, SF3B1, DEK, MYO1C, ERCC6, MYBBP1A and DDX21. Identified in the spliceosome C complex. Component of the U11/U12 snRNPs that are part of the U12-type spliceosome. Component of splicing factor SF3B complex which is composed of at least eight subunits; SF3B1, SF3B2, SF3B3, SF3B4, SF3B5, SF3B6, PHF5A and DDX42. SF3B associates with the splicing factor SF3A and a 12S RNA unit to form the U2 small nuclear ribonucleoproteins complex (U2 snRNP). Interacts directly with the splicing factor U2AF. Within the SF3B complex interacts directly (via HEAT domain) with SF3B3, SF3B5 and (via HEAT domain) with PHF5A. Interacts directly with SF3B6. The SF3B complex composed of SF3B1, SF3B2, SF3B3, SF3B4, SF3B5, SF3B6 and PHF5A interacts with U2AF2. Phosphorylated form interacts with PPP1R8. Interacts with PQBP1. Interacts with RBM17. Interacts with RBM39. Interacts with SETX. Interacts with RBM15. Interacts with ZRSR1 (PubMed:29617656).By similarity1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei469Interaction with RNABy similarity1
Sitei587Interaction with RNABy similarity1
Sitei592Interaction with PHF5ABy similarity1
Sitei602Interaction with SF3B3By similarity1
Sitei677Interaction with SF3B3By similarity1
Sitei1035Interaction with RNABy similarity1
Sitei1049Interaction with RNABy similarity1
Sitei1141Interaction with RNABy similarity1
Sitei1205Interaction with SF3B3By similarity1

Protein-protein interaction databases

ComplexPortal: manually curated resource of macromolecular complexes

More...
ComplexPortali
CPX-1133 B-WICH chromatin remodelling complex

Protein interaction database and analysis system

More...
IntActi
Q99NB9, 3 interactors

Molecular INTeraction database

More...
MINTi
Q99NB9

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000027127

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q99NB9

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section indicates the positions and types of repeated sequence motifs or repeated domains within the protein.<p><a href='/help/repeat' target='_top'>More...</a></p>Repeati529 – 568HEAT 1Add BLAST40
Repeati569 – 603HEAT 2Add BLAST35
Repeati604 – 641HEAT 3Add BLAST38
Repeati643 – 677HEAT 4Add BLAST35
Repeati680 – 718HEAT 5Add BLAST39
Repeati763 – 801HEAT 6Add BLAST39
Repeati843 – 881HEAT 7Add BLAST39
Repeati1010 – 1048HEAT 8Add BLAST39
Repeati1052 – 1090HEAT 9Add BLAST39
Repeati1122 – 1160HEAT 10Add BLAST39
Repeati1163 – 1201HEAT 11Add BLAST39

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni223 – 491Interaction with PPP1R8By similarityAdd BLAST269
Regioni547 – 550Interaction with PHF5ABy similarity4
Regioni1156 – 1157Interaction with PHF5ABy similarity2
Regioni1248 – 1304Interaction with SF3B3 and SF3B5By similarityAdd BLAST57

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the SF3B1 family.Curated

Keywords - Domaini

Repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0213 Eukaryota
COG5181 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000166737

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q99NB9

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q99NB9

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.25.10.10, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR015016 SF3b_su1
IPR038737 SF3b_su1-like

The PANTHER Classification System

More...
PANTHERi
PTHR12097 PTHR12097, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF08920 SF3b1, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF48371 SSF48371, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry has 1 described isoform and 2 potential isoforms that are computationally mapped.Show allAlign All

Q99NB9-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAKIAKTHED IEAQIREIQG KKAALDEAQG VGLDSTGYYD QEIYGGSDSR
60 70 80 90 100
FAGYVTSIAA TELEDDDDDY SSSTSLLGQK KPGYHAPVAL LNDIPQSTEQ
110 120 130 140 150
YDPFAEHRPP KIADREDEYK KHRRTMIISP ERLDPFADGG KTPDPKMNAR
160 170 180 190 200
TYMDVMREQH LTKEEREIRQ QLAEKAKAGE LKVVNGAAAS QPPSKRKRRW
210 220 230 240 250
DQTADQTPGA TPKKLSSWDQ AETPGHTPSL RWDETPGRAK GSETPGATPG
260 270 280 290 300
SKIWDPTPSH TPAGAATPGR GDTPGHATPG HGGATSSARK NRWDETPKTE
310 320 330 340 350
RDTPGHGSGW AETPRTDRGG DSIGETPTPG ASKRKSRWDE TPASQMGGST
360 370 380 390 400
PVLTPGKTPI GTPAMNMATP TPGHIMSMTP EQLQAWRWER EIDERNRPLS
410 420 430 440 450
DEELDAMFPE GYKVLPPPAG YVPIRTPARK LTATPTPLGG MTGFHMQTED
460 470 480 490 500
RTMKSVNDQP SGNLPFLKPD DIQYFDKLLV DVDESTLSPE EQKERKIMKL
510 520 530 540 550
LLKIKNGTPP MRKAALRQIT DKAREFGAGP LFNQILPLLM SPTLEDQERH
560 570 580 590 600
LLVKVIDRIL YKLDDLVRPY VHKILVVIEP LLIDEDYYAR VEGREIISNL
610 620 630 640 650
AKAAGLATMI STMRPDIDNM DEYVRNTTAR AFAVVASALG IPSLLPFLKA
660 670 680 690 700
VCKSKKSWQA RHTGIKIVQQ IAILMGCAIL PHLRSLVEII EHGLVDEQQK
710 720 730 740 750
VRTISALAIA ALAEAATPYG IESFDSVLKP LWKGIRQHRG KGLAAFLKAI
760 770 780 790 800
GYLIPLMDAE YANYYTREVM LILIREFQSP DEEMKKIVLK VVKQCCGTDG
810 820 830 840 850
VEANYIKTEI LPPFFKHFWQ HRMALDRRNY RQLVDTTVEL ANKVGAAEII
860 870 880 890 900
SRIVDDLKDE AEQYRKMVME TIEKIMGNLG AADIDHKLEE QLIDGILYAF
910 920 930 940 950
QEQTTEDSVM LNGFGTVVNA LGKRVKPYLP QICGTVLWRL NNKSAKVRQQ
960 970 980 990 1000
AADLISRTAV VMKTCQEEKL MGHLGVVLYE YLGEEYPEVL GSILGALKAI
1010 1020 1030 1040 1050
VNVIGMHKMT PPIKDLLPRL TPILKNRHEK VQENCIDLVG RIADRGAEYV
1060 1070 1080 1090 1100
SAREWMRICF ELLELLKAHK KAIRRATVNT FGYIAKAIGP HDVLATLLNN
1110 1120 1130 1140 1150
LKVQERQNRV CTTVAIAIVA ETCSPFTVLP ALMNEYRVPE LNVQNGVLKS
1160 1170 1180 1190 1200
LSFLFEYIGE MGKDYIYAVT PLLEDALMDR DLVHRQTASA VVQHMSLGVY
1210 1220 1230 1240 1250
GFGCEDSLNH LLNYVWPNVF ETSPHVIQAV MGALEGLRVA IGPCRMLQYC
1260 1270 1280 1290 1300
LQGLFHPARK VRDVYWKIYN SIYIGSQDAL IAHYPRIYND DKNTYIRYDL

DYIL
Length:1,304
Mass (Da):145,816
Last modified:June 1, 2001 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i12F051757D2A2DEE
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There are 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
G5E866G5E866_MOUSE
Splicing factor 3B subunit 1
Sf3b1 mCG_117542
1,304Annotation score:

Annotation score:2 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
A0A087WNS2A0A087WNS2_MOUSE
Splicing factor 3B subunit 1
Sf3b1
144Annotation score:

Annotation score:1 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AB037890 mRNA Translation: BAB40140.1
AK012632 mRNA Translation: BAB28369.1

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB037890 mRNA Translation: BAB40140.1
AK012632 mRNA Translation: BAB28369.1

3D structure databases

SMRiQ99NB9
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

ComplexPortaliCPX-1133 B-WICH chromatin remodelling complex
IntActiQ99NB9, 3 interactors
MINTiQ99NB9
STRINGi10090.ENSMUSP00000027127

PTM databases

iPTMnetiQ99NB9
PhosphoSitePlusiQ99NB9
SwissPalmiQ99NB9

Proteomic databases

EPDiQ99NB9
jPOSTiQ99NB9
MaxQBiQ99NB9
PaxDbiQ99NB9
PRIDEiQ99NB9

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Organism-specific databases

MGIiMGI:1932339 Sf3b1

Phylogenomic databases

eggNOGiKOG0213 Eukaryota
COG5181 LUCA
HOGENOMiHOG000166737
InParanoidiQ99NB9
PhylomeDBiQ99NB9

Enzyme and pathway databases

ReactomeiR-MMU-5250924 B-WICH complex positively regulates rRNA expression
R-MMU-72163 mRNA Splicing - Major Pathway
R-MMU-72165 mRNA Splicing - Minor Pathway

Miscellaneous databases

Protein Ontology

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PROi
PR:Q99NB9

The Stanford Online Universal Resource for Clones and ESTs

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SOURCEi
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Family and domain databases

Gene3Di1.25.10.10, 2 hits
InterProiView protein in InterPro
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR015016 SF3b_su1
IPR038737 SF3b_su1-like
PANTHERiPTHR12097 PTHR12097, 1 hit
PfamiView protein in Pfam
PF08920 SF3b1, 1 hit
SUPFAMiSSF48371 SSF48371, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

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ProtoNeti
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<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiSF3B1_MOUSE
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q99NB9
Secondary accession number(s): Q9CSK5
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 14, 2001
Last sequence update: June 1, 2001
Last modified: May 8, 2019
This is version 138 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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