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Entry version 127 (08 May 2019)
Sequence version 1 (01 May 2000)
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Protein

Leukotriene B4 receptor 1

Gene

Ltb4r

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

Annotation score:4 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

Receptor for leukotriene B4, a potent chemoattractant involved in inflammation and immune response.

<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 functionG-protein coupled receptor, Receptor, Transducer

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-391906 Leukotriene receptors
R-RNO-416476 G alpha (q) signalling events

<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:
Leukotriene B4 receptor 1
Short name:
LTB4-R 1
Short name:
LTB4-R1
<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:Ltb4r
Synonyms:Blt
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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: Chromosome 15

Organism-specific databases

Rat genome database

More...
RGDi
620410 Ltb4r

<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_location_section">'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 – 21ExtracellularSequence analysisAdd BLAST21
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'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>Transmembranei22 – 44Helical; Name=1Sequence analysisAdd BLAST23
Topological domaini45 – 56CytoplasmicSequence analysisAdd BLAST12
Transmembranei57 – 77Helical; Name=2Sequence analysisAdd BLAST21
Topological domaini78 – 93ExtracellularSequence analysisAdd BLAST16
Transmembranei94 – 115Helical; Name=3Sequence analysisAdd BLAST22
Topological domaini116 – 140CytoplasmicSequence analysisAdd BLAST25
Transmembranei141 – 161Helical; Name=4Sequence analysisAdd BLAST21
Topological domaini162 – 179ExtracellularSequence analysisAdd BLAST18
Transmembranei180 – 200Helical; Name=5Sequence analysisAdd BLAST21
Topological domaini201 – 222CytoplasmicSequence analysisAdd BLAST22
Transmembranei223 – 243Helical; Name=6Sequence analysisAdd BLAST21
Topological domaini244 – 268ExtracellularSequence analysisAdd BLAST25
Transmembranei269 – 289Helical; Name=7Sequence analysisAdd BLAST21
Topological domaini290 – 351CytoplasmicSequence analysisAdd BLAST62

Keywords - Cellular componenti

Cell membrane, Membrane

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...
ChEMBLi
CHEMBL2126

IUPHAR/BPS Guide to PHARMACOLOGY

More...
GuidetoPHARMACOLOGYi
267

<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_00000697101 – 351Leukotriene B4 receptor 1Add BLAST351

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi4N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi164N-linked (GlcNAc...) asparagineSequence analysis1

<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 by GRK6 upon leukotriene B4 binding; which promotes desensitization.By similarity

Keywords - PTMi

Glycoprotein, Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q9R0Q2

PRoteomics IDEntifications database

More...
PRIDEi
Q9R0Q2

PTM databases

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

More...
PhosphoSitePlusi
Q9R0Q2

<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

Exclusively expressed in polymorphonuclear leukocytes.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000020399 Expressed in 8 organ(s), highest expression level in skeletal muscle tissue

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9R0Q2 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

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000027647

Chemistry databases

BindingDB database of measured binding affinities

More...
BindingDBi
Q9R0Q2

<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

<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 G-protein coupled receptor 1 family.PROSITE-ProRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3656 Eukaryota
ENOG410XRW9 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00950000182966

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000008594

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9R0Q2

KEGG Orthology (KO)

More...
KOi
K04296

Identification of Orthologs from Complete Genome Data

More...
OMAi
FHLLFEA

Database of Orthologous Groups

More...
OrthoDBi
978296at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9R0Q2

TreeFam database of animal gene trees

More...
TreeFami
TF330976

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000276 GPCR_Rhodpsn
IPR017452 GPCR_Rhodpsn_7TM
IPR003981 Leukotriene_B4_rcpt
IPR003983 Leukotriene_B4_typ-1_rcpt

The PANTHER Classification System

More...
PANTHERi
PTHR24230:SF51 PTHR24230:SF51, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00001 7tm_1, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00237 GPCRRHODOPSN
PR01477 LTB1RECEPTOR
PR01476 LTBRECEPTOR

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00237 G_PROTEIN_RECEP_F1_1, 1 hit
PS50262 G_PROTEIN_RECEP_F1_2, 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>Sequencei

<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.

Q9R0Q2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAANTTSTAA TSSPGGMSLS LLPIVLLSVA LVVGLPGNSF VVWSILKRMQ
60 70 80 90 100
KRSVTALLVL NLALADLAVL LTAPFFLHFL ARGTWSFEVT GCRLCHYVCG
110 120 130 140 150
VSMYASVLLI TIMSLDRSLA VARPFVSQKV RTKAFARWVL AGIWVVSFLL
160 170 180 190 200
AIPVLVYRTV TPKNKTLICD SRYPSDGHKV FHLLFEAITG FLLPFLAVVA
210 220 230 240 250
SYSDIGRRLQ ARRFRRSRRT GRLVVLIILA FAAFWLPYHL VNLVEAGRTL
260 270 280 290 300
AGWDKNSPAG QRLKLARYVL IALAFLSSSV NPVLYACAGG GLLRSAGVGF
310 320 330 340 350
VVKLLEGTGS EVSSTRRGGT LVQTPKATPT CPEPGPTDSF MTSSTPPESS

K
Length:351
Mass (Da):37,931
Last modified:May 1, 2000 - 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:i6B1660C021221994
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AB025230 Genomic DNA Translation: BAA84578.1

Protein sequence database of the Protein Information Resource

More...
PIRi
JC7096

NCBI Reference Sequences

More...
RefSeqi
NP_067688.1, NM_021656.1
XP_006252073.1, XM_006252011.3
XP_006252074.1, XM_006252012.1
XP_017455280.1, XM_017599791.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000027647; ENSRNOP00000027647; ENSRNOG00000020399

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
59264

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:59264

UCSC genome browser

More...
UCSCi
RGD:620410 rat

<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
AB025230 Genomic DNA Translation: BAA84578.1
PIRiJC7096
RefSeqiNP_067688.1, NM_021656.1
XP_006252073.1, XM_006252011.3
XP_006252074.1, XM_006252012.1
XP_017455280.1, XM_017599791.1

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000027647

Chemistry databases

BindingDBiQ9R0Q2
ChEMBLiCHEMBL2126
GuidetoPHARMACOLOGYi267

Protein family/group databases

Information system for G protein-coupled receptors (GPCRs)

More...
GPCRDBi
Search...

PTM databases

PhosphoSitePlusiQ9R0Q2

Proteomic databases

PaxDbiQ9R0Q2
PRIDEiQ9R0Q2

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSRNOT00000027647; ENSRNOP00000027647; ENSRNOG00000020399
GeneIDi59264
KEGGirno:59264
UCSCiRGD:620410 rat

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
1241
RGDi620410 Ltb4r

Phylogenomic databases

eggNOGiKOG3656 Eukaryota
ENOG410XRW9 LUCA
GeneTreeiENSGT00950000182966
HOGENOMiHOG000008594
InParanoidiQ9R0Q2
KOiK04296
OMAiFHLLFEA
OrthoDBi978296at2759
PhylomeDBiQ9R0Q2
TreeFamiTF330976

Enzyme and pathway databases

ReactomeiR-RNO-391906 Leukotriene receptors
R-RNO-416476 G alpha (q) signalling events

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9R0Q2

Gene expression databases

BgeeiENSRNOG00000020399 Expressed in 8 organ(s), highest expression level in skeletal muscle tissue
GenevisibleiQ9R0Q2 RN

Family and domain databases

InterProiView protein in InterPro
IPR000276 GPCR_Rhodpsn
IPR017452 GPCR_Rhodpsn_7TM
IPR003981 Leukotriene_B4_rcpt
IPR003983 Leukotriene_B4_typ-1_rcpt
PANTHERiPTHR24230:SF51 PTHR24230:SF51, 1 hit
PfamiView protein in Pfam
PF00001 7tm_1, 1 hit
PRINTSiPR00237 GPCRRHODOPSN
PR01477 LTB1RECEPTOR
PR01476 LTBRECEPTOR
PROSITEiView protein in PROSITE
PS00237 G_PROTEIN_RECEP_F1_1, 1 hit
PS50262 G_PROTEIN_RECEP_F1_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
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 nameiLT4R1_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: Q9R0Q2
<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: May 10, 2004
Last sequence update: May 1, 2000
Last modified: May 8, 2019
This is version 127 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. 7-transmembrane G-linked receptors
    List of 7-transmembrane G-linked receptor entries
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