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Entry version 179 (26 Feb 2020)
Sequence version 3 (05 Feb 2008)
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Protein

Sterol regulatory element-binding protein 1

Gene

Srebf1

Organism
Rattus norvegicus (Rat)
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

Transcriptional activator required for lipid homeostasis. Regulates transcription of the LDL receptor gene as well as the fatty acid and to a lesser degree the cholesterol synthesis pathway (By similarity). Binds to the sterol regulatory element 1 (SRE-1) (5'-ATCACCCCAC-3') (PubMed:7739539). Has dual sequence specificity binding to both an E-box motif (5'-ATCACGTGA-3') and to SRE-1 (5'-ATCACCCCAC-3').By similarity1 Publication

<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 functionActivator, DNA-binding
Biological processCholesterol metabolism, Lipid metabolism, Steroid metabolism, Sterol metabolism, Transcription, Transcription regulation

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-1655829 Regulation of cholesterol biosynthesis by SREBP (SREBF)

<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:
Sterol regulatory element-binding protein 1
Short name:
SREBP-1
Alternative name(s):
Adipocyte determination- and differentiation-dependent factor 1
Short name:
ADD1
Sterol regulatory element-binding transcription factor 1
Cleaved into the following chain:
<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:Srebf1
Synonyms:Srebp1
<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 10

Organism-specific databases

Rat genome database

More...
RGDi
69423 Srebf1

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini1 – 481CytoplasmicSequence analysisAdd BLAST481
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei482 – 502HelicalSequence analysisAdd BLAST21
Topological domaini503 – 536LumenalSequence analysisAdd BLAST34
Transmembranei537 – 557HelicalSequence analysisAdd BLAST21
Topological domaini558 – 1134CytoplasmicSequence analysisAdd BLAST577

Keywords - Cellular componenti

Cytoplasmic vesicle, Endoplasmic reticulum, Golgi apparatus, Membrane, 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_00001274501 – 1134Sterol regulatory element-binding protein 1Add BLAST1134
ChainiPRO_00003140311 – 480Processed sterol regulatory element-binding protein 1Add BLAST480

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 residuei97PhosphoserineCombined sources1
Modified residuei116PhosphoserineBy similarity1
Modified residuei331Phosphoserine; by SIK1By similarity1
Modified residuei332Phosphoserine; by SIK1By similarity1
Modified residuei389Phosphoserine; by AMPKBy similarity1
Modified residuei395Phosphoserine; by SIK1By similarity1
Modified residuei448PhosphoserineCombined sources1
Modified residuei1047PhosphoserineBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">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

At low cholesterol the SCAP/SREBP complex is recruited into COPII vesicles for export from the ER. In the Golgi complex SREBPs are cleaved sequentially by site-1 and site-2 protease. The first cleavage by site-1 protease occurs within the luminal loop, the second cleavage by site-2 protease occurs within the first transmembrane domain and releases the transcription factor from the Golgi membrane. Apoptosis triggers cleavage by the cysteine proteases caspase-3 and caspase-7 (By similarity).By similarity
Phosphorylated by AMPK, leading to suppress protein processing and nuclear translocation, and repress target gene expression. Phosphorylation at Ser-395 by SIK1 represses activity possibly by inhibiting DNA-binding (By similarity).By similarity

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>Sitei451 – 452Cleavage; by caspase-3 and caspase-7By similarity2
Sitei480 – 481Cleavage; by S2PBy similarity2
Sitei519 – 520Cleavage; by S1PBy similarity2

Keywords - PTMi

Phosphoprotein

Proteomic databases

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

More...
PaxDbi
P56720

PRoteomics IDEntifications database

More...
PRIDEi
P56720

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P56720

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

More...
PhosphoSitePlusi
P56720

<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

Expressed predominantly in brown adipose tissue.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000003463 Expressed in liver and 9 other tissues

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P56720 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

Forms a tight complex with SCAP in the ER membrane. Efficient DNA binding of the soluble transcription factor fragment requires dimerization with another bHLH protein.

Interacts with LMNA.

Interacts with CEBPA, the interaction produces a transcriptional synergy (By similarity).

By similarity

GO - Molecular functioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
249376, 8 interactors

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000050057

<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

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SMRi
P56720

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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini317 – 367bHLHPROSITE-ProRule annotationAdd BLAST51

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>Regioni1 – 60Transcriptional activation (acidic)By similarityAdd BLAST60
Regioni227 – 487Interaction with LMNABy similarityAdd BLAST261
Regioni367 – 388Leucine-zipperAdd BLAST22

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi27 – 359aaTADBy similarity9

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi61 – 176Pro/Ser-richAdd BLAST116
Compositional biasi420 – 453Gly/Pro/Ser-richAdd BLAST34

<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

The 9aaTAD motif is a transactivation domain present in a large number of yeast and animal transcription factors.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 SREBP family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG2588 Eukaryota
ENOG410XSVP LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000159156

InParanoid: Eukaryotic Ortholog Groups

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InParanoidi
P56720

KEGG Orthology (KO)

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KOi
K07197

Identification of Orthologs from Complete Genome Data

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OMAi
IMAGATP

Database of Orthologous Groups

More...
OrthoDBi
330300at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P56720

TreeFam database of animal gene trees

More...
TreeFami
TF313894

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00083 HLH, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
4.10.280.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011598 bHLH_dom
IPR036638 HLH_DNA-bd_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00010 HLH, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00353 HLH, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47459 SSF47459, 1 hit

PROSITE; a protein domain and family database

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PROSITEi
View protein in PROSITE
PS50888 BHLH, 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>Sequences (2)i

<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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <p>This subsection of the 'Sequence' section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform. This section is only present in reviewed entries, i.e. in UniProtKB/Swiss-Prot.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket
Isoform SREBP-1A (identifier: P56720-2) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MDELPFGEAA LEQALAEVCE MDAALLTDIE DMLQLINNQD SDFPGLFDAP
60 70 80 90 100
YAGGETGDTG PSSPGASSPE SFSSPASLGS SLEAFLGGPK VTPAPLSPPP
110 120 130 140 150
SAPTAVKMYP SVPPFSPGPG IKEEPVPLTI LQPPAPQPSP GTLLPPSFPP
160 170 180 190 200
PPVQLSPAPV LGYSSLPSGF SGTLPGNTQQ TPSSLPLGST PGISPTPLHT
210 220 230 240 250
QVQSSAAQQP PPASAAPRMS TVASQIQQVP VVLQPHFIKA DSLLLTAVKT
260 270 280 290 300
DTGATMKTAG INTLAPGTAV QAGPLQTLVS GGTILATVPL VVDTDKLPIH
310 320 330 340 350
RLAAGGKALG SAQSRGEKRT AHNAIEKRYR SSINDKIVEL KDLVVGTEAK
360 370 380 390 400
LNKSAVLRKA IDYIRFLQHS NQKLKQENLT LRSAHKSKSL KDLVSACGSG
410 420 430 440 450
GGTDVSMEGM KPEVVETLTP PPSDAGSPSQ SSPLSLGSRG SSSGGSDSEP
460 470 480 490 500
DSPAFEDNQV KAQRLPSHSR GMLDRSRLAL CVLVFLCLTC NPLASLFGWG
510 520 530 540 550
ILTPSDASGV HRSSGRSMLE AESRDGSNWT QWLLPPLVWL ANGLLVLACL
560 570 580 590 600
ALLFVYGEPV TRPHSGPAVH FWRHRKQADL DLARGDFAQA AQQLWLALQA
610 620 630 640 650
LGRPLPTSNL DLACSLLWNL VRHLLQRLWV GRWLAGQAGG LQRDYRLRKD
660 670 680 690 700
ARASARDAAV VYHKLHQLHA MGKYTGGHLV ASNLALSALN LAECAGDAIS
710 720 730 740 750
MATLAEIYVA AALRVKTSLP RALHFLTRFF LSSARQACLA QSGAVPLAMQ
760 770 780 790 800
WLCHPVGHRF FVDGDWAVHG APQESLYSVA GNPVDPLAQV TRLFCEHLLE
810 820 830 840 850
RALNCIAQPS PGAADGDREF SDALGYLQLL NSCSDAVGAP ACSFSVSSSM
860 870 880 890 900
ATTTGTDPVA KWWASLTAVV IHWLRRDEEA AERLYPLVEH IPQVLQETER
910 920 930 940 950
PLPRAALYSF KAARALLDHR KVESSPASLA ICEKASGYLR DSLASTSTAS
960 970 980 990 1000
SIDKAMQLLL CDLLLVARTS LWRRQQSAAS AQGAHGTSNG PQASALELRG
1010 1020 1030 1040 1050
FQHDLSSLRR LAQSFRPAMR RVFLHEATAR LMAGASPART HQLLDRSLRR
1060 1070 1080 1090 1100
RAGSSGKGGA AAELEPRPTW REHTEALLLA SCYLPPAFLS APGQRVSMLA
1110 1120 1130
EAARTVEKLG DHRLLLDCQQ MLLRLGGGTT VTSS
Length:1,134
Mass (Da):120,521
Last modified:February 5, 2008 - v3
<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:i1D31A9AD3C36AB29
GO
Isoform SREBP-1C (identifier: P56720-1) [UniParc]FASTAAdd to basket
Also known as: ADD1

The sequence of this isoform differs from the canonical sequence as follows:
     1-29: MDELPFGEAALEQALAEVCEMDAALLTDI → MDCTF

Show »
Length:1,110
Mass (Da):118,027
Checksum:iC7CDAE780EA056D3
GO

<p>This subsection of the 'Sequence' section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence L16995 differs from that shown. Reason: Frameshift.Curated

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti267G → A in L16995 (PubMed:15057822).Curated1
Sequence conflicti475R → P in L16995 (PubMed:15057822).Curated1
Sequence conflicti817D → H in L16995 (PubMed:15057822).Curated1

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural varianti779V → M in spontaneously hypertensive rats. 1 Publication1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_0308601 – 29MDELP…LLTDI → MDCTF in isoform SREBP-1C. 2 PublicationsAdd BLAST29

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

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DDBJi
Links Updated
AABR03073826 Genomic DNA No translation available.
AABR03076830 Genomic DNA No translation available.
L16995 mRNA No translation available.
AF286469 mRNA Translation: AAG28733.2
AF286470 mRNA Translation: AAG28734.2 Different termination.

NCBI Reference Sequences

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RefSeqi
NP_001263636.1, NM_001276707.1 [P56720-2]
NP_001263637.1, NM_001276708.1 [P56720-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000004753; ENSRNOP00000004753; ENSRNOG00000003463 [P56720-1]
ENSRNOT00000047053; ENSRNOP00000050057; ENSRNOG00000003463 [P56720-2]

Database of genes from NCBI RefSeq genomes

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GeneIDi
78968

KEGG: Kyoto Encyclopedia of Genes and Genomes

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KEGGi
rno:78968

UCSC genome browser

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UCSCi
RGD:69423 rat [P56720-2]

Keywords - Coding sequence diversityi

Alternative splicing, Polymorphism

<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
AABR03073826 Genomic DNA No translation available.
AABR03076830 Genomic DNA No translation available.
L16995 mRNA No translation available.
AF286469 mRNA Translation: AAG28733.2
AF286470 mRNA Translation: AAG28734.2 Different termination.
RefSeqiNP_001263636.1, NM_001276707.1 [P56720-2]
NP_001263637.1, NM_001276708.1 [P56720-1]

3D structure databases

SMRiP56720
ModBaseiSearch...

Protein-protein interaction databases

BioGridi249376, 8 interactors
STRINGi10116.ENSRNOP00000050057

PTM databases

iPTMnetiP56720
PhosphoSitePlusiP56720

Proteomic databases

PaxDbiP56720
PRIDEiP56720

Genome annotation databases

EnsembliENSRNOT00000004753; ENSRNOP00000004753; ENSRNOG00000003463 [P56720-1]
ENSRNOT00000047053; ENSRNOP00000050057; ENSRNOG00000003463 [P56720-2]
GeneIDi78968
KEGGirno:78968
UCSCiRGD:69423 rat [P56720-2]

Organism-specific databases

Comparative Toxicogenomics Database

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CTDi
6720
RGDi69423 Srebf1

Phylogenomic databases

eggNOGiKOG2588 Eukaryota
ENOG410XSVP LUCA
GeneTreeiENSGT00940000159156
InParanoidiP56720
KOiK07197
OMAiIMAGATP
OrthoDBi330300at2759
PhylomeDBiP56720
TreeFamiTF313894

Enzyme and pathway databases

ReactomeiR-RNO-1655829 Regulation of cholesterol biosynthesis by SREBP (SREBF)

Miscellaneous databases

Protein Ontology

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PROi
PR:P56720

Gene expression databases

BgeeiENSRNOG00000003463 Expressed in liver and 9 other tissues
GenevisibleiP56720 RN

Family and domain databases

CDDicd00083 HLH, 1 hit
Gene3Di4.10.280.10, 1 hit
InterProiView protein in InterPro
IPR011598 bHLH_dom
IPR036638 HLH_DNA-bd_sf
PfamiView protein in Pfam
PF00010 HLH, 1 hit
SMARTiView protein in SMART
SM00353 HLH, 1 hit
SUPFAMiSSF47459 SSF47459, 1 hit
PROSITEiView protein in PROSITE
PS50888 BHLH, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

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ProtoNeti
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MobiDB: a database of protein disorder and mobility annotations

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MobiDBi
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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 nameiSRBP1_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: P56720
Secondary accession number(s): Q99PI6, Q99PI7
<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: May 30, 2000
Last sequence update: February 5, 2008
Last modified: February 26, 2020
This is version 179 of the entry and version 3 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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