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Entry version 67 (26 Feb 2020)
Sequence version 1 (20 Apr 2010)
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Protein

TATA box-binding protein-associated factor RNA polymerase I subunit B

Gene

Taf1b

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score:

Annotation score:3 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>
-Protein inferred from homologyi <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

Component of RNA polymerase I core factor complex that acts as a GTF2B/TFIIB-like factor and plays a key role in multiple steps during transcription initiation such as pre-initiation complex (PIC) assembly and postpolymerase recruitment events in polymerase I (Pol I) transcription. Binds rDNA promoters and plays a role in Pol I recruitment as a component of the SL1/TIF-IB complex and, possibly, directly through its interaction with RRN3 (By similarity).By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi13ZincBy similarity1
Metal bindingi16ZincBy similarity1
Metal bindingi31ZincBy similarity1
Metal bindingi34ZincBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section specifies the position(s) and type(s) of zinc fingers within the protein.<p><a href='/help/zn_fing' target='_top'>More...</a></p>Zinc fingeri5 – 39RRN7-typeAdd BLAST35

<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

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 functionDNA-binding
Biological processTranscription, Transcription regulation
LigandMetal-binding, Zinc

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-5250924 B-WICH complex positively regulates rRNA expression
R-RNO-73762 RNA Polymerase I Transcription Initiation
R-RNO-73772 RNA Polymerase I Promoter Escape
R-RNO-73863 RNA Polymerase I Transcription Termination

<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%5Fand%5Ftaxonomy%5Fsection">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:
TATA box-binding protein-associated factor RNA polymerase I subunit B
Alternative name(s):
RNA polymerase I-specific TBP-associated factor 63 kDa
Short name:
TAFI63
TATA box-binding protein-associated factor 1B
Short name:
TBP-associated factor 1B
Transcription initiation factor SL1/TIF-IB subunit B
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:Taf1b
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiRattus norvegicus (Rat)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri10116 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000002494 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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: Chromosome 6

Organism-specific databases

Rat genome database

More...
RGDi
1596058 Taf1b

<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

<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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00004168691 – 586TATA box-binding protein-associated factor RNA polymerase I subunit BAdd BLAST586

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 residuei1N-acetylmethionineBy similarity1
Modified residuei438N6-acetyllysineBy similarity1

Keywords - PTMi

Acetylation

Proteomic databases

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

More...
PaxDbi
D3ZYB7

PRoteomics IDEntifications database

More...
PRIDEi
D3ZYB7

<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

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000061415 Expressed in spleen and 8 other tissues

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
D3ZYB7 RN

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts with FLNA (via N-terminus) (By similarity).

Component of the transcription factor SL1/TIF-IB complex, composed of TBP and at least TAF1A, TAF1B, TAF1C and TAF1D. In the complex interacts directly with TBP, TAF1A and TAF1C. Interaction of the SL1/TIF-IB subunits with TBP excludes interaction of TBP with the transcription factor IID (TFIID) subunits.

Interacts with TBP and RRN3 (By similarity).

By similarity

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000006187

<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
D3ZYB7

Database of comparative protein structure models

More...
ModBasei
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

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>Regioni40 – 68B-readerBy similarityAdd BLAST29
Regioni69 – 73B-linkerBy similarity5
Regioni74 – 259N-terminal cyclin foldBy similarityAdd BLAST186
Regioni260 – 370C-terminal cyclin foldBy similarityAdd BLAST111

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

Although it shares weak sequence similarity with GTF2B/TFIIB, displays a similar subdomain organization as GTF2B/TFIIB, with a N-terminal zinc finger, a connecting region (composed of B-reader and B-linker regions), followed by 2 cyclin folds. The RRN7-type zinc finger plays an essential postrecruitment role in Pol I transcription at a step preceding synthesis of the first 40 nucleotides (By similarity).By similarity

<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 RRN7/TAF1B family.Curated

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri5 – 39RRN7-typeAdd BLAST35

Keywords - Domaini

Zinc-finger

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IKUN Eukaryota
ENOG410YZ64 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00440000033827

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_032815_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
D3ZYB7

KEGG Orthology (KO)

More...
KOi
K15213

Identification of Orthologs from Complete Genome Data

More...
OMAi
GFQHILY

Database of Orthologous Groups

More...
OrthoDBi
329399at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
D3ZYB7

TreeFam database of animal gene trees

More...
TreeFami
TF324353

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR033599 TAF1B/Rrn7
IPR021752 TF_Rrn7_Zf

The PANTHER Classification System

More...
PANTHERi
PTHR31576 PTHR31576, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF11781 zf-RRN7, 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%5Flength">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>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

D3ZYB7-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDVEQMKAFT DRCSQCAAVS WGLTDEGKYY CTSCHNVTDR SEEVVSTAVI
60 70 80 90 100
PNTKINSISR GLRQRSKHEK GWDWYVCEGF QCILYHQAEA LETLGVSPEL
110 120 130 140 150
KNEVLHSFWK RYLQKSKQAY CKNPVRTSGR KAKVLEDNLQ SSDWGSDFEL
160 170 180 190 200
LSDTTCPPES GAEFQSDSQT PKPFPATKRS SKSASVCSGS VDGVEYSERK
210 220 230 240 250
EKGLLKMTVP RTLALCYLSL LWQRETITLS DLLRFVEEDR IPYINAFKVF
260 270 280 290 300
PEEMKVYGRD KGIFAVESWP DYEDIYKNMI EVAVFLDLPR FPDITEDCYL
310 320 330 340 350
HPNTLCMKYL LEVNLPEEMY TLTCQVVKLT GIGEVDFLTF DPIAKMTRTV
360 370 380 390 400
KHDVQAVAVI VLVLKLLFLL DDKLEWSYSD LAEAYNEGHK EETPQFDFRK
410 420 430 440 450
WYQVMKKTFD EKRRKWEEAR AKYVWKTKRP LYRSHIDKSV AYKRREMVEN
460 470 480 490 500
LQKQFSALIG SAPEVERQAP SSFQLNWTGE DTGSPCFHGH SLQGLLISKG
510 520 530 540 550
QALITKNSLY WLSTHKFCKS YCKHVTTYEE SNFSLSYQFI LNIFSFLLRI
560 570 580
KTSALHEEVS LLEKKLFEKK YNESKRSSRS KKVRRH
Length:586
Mass (Da):68,022
Last modified:April 20, 2010 - 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:i12D8B55FB785329C
GO

Sequence databases

NCBI Reference Sequences

More...
RefSeqi
NP_001178036.1, NM_001191107.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000086798; ENSRNOP00000069237; ENSRNOG00000061415

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
690450

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:690450

<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

RefSeqiNP_001178036.1, NM_001191107.1

3D structure databases

SMRiD3ZYB7
ModBaseiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000006187

Proteomic databases

PaxDbiD3ZYB7
PRIDEiD3ZYB7

Genome annotation databases

EnsembliENSRNOT00000086798; ENSRNOP00000069237; ENSRNOG00000061415
GeneIDi690450
KEGGirno:690450

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
9014
RGDi1596058 Taf1b

Phylogenomic databases

eggNOGiENOG410IKUN Eukaryota
ENOG410YZ64 LUCA
GeneTreeiENSGT00440000033827
HOGENOMiCLU_032815_0_0_1
InParanoidiD3ZYB7
KOiK15213
OMAiGFQHILY
OrthoDBi329399at2759
PhylomeDBiD3ZYB7
TreeFamiTF324353

Enzyme and pathway databases

ReactomeiR-RNO-5250924 B-WICH complex positively regulates rRNA expression
R-RNO-73762 RNA Polymerase I Transcription Initiation
R-RNO-73772 RNA Polymerase I Promoter Escape
R-RNO-73863 RNA Polymerase I Transcription Termination

Miscellaneous databases

Protein Ontology

More...
PROi
PR:D3ZYB7

Gene expression databases

BgeeiENSRNOG00000061415 Expressed in spleen and 8 other tissues
GenevisibleiD3ZYB7 RN

Family and domain databases

InterProiView protein in InterPro
IPR033599 TAF1B/Rrn7
IPR021752 TF_Rrn7_Zf
PANTHERiPTHR31576 PTHR31576, 1 hit
PfamiView protein in Pfam
PF11781 zf-RRN7, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<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 nameiTAF1B_RAT
<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: D3ZYB7
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 18, 2012
Last sequence update: April 20, 2010
Last modified: February 26, 2020
This is version 67 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

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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