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Entry version 2 (10 Feb 2021)
Sequence version 1 (02 Dec 2020)
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Protein
Submitted name:

low-density lipoprotein receptor isoform X1

Gene

Ldlr

Organism
Mus caroli (Ryukyu mouse) (Ricefield mouse)
Status
Unreviewed-Annotation 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>
-Protein predictedi <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

Caution

Lacks conserved residue(s) required for the propagation of feature annotation.PROSITE-ProRule annotation

<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 functionReceptorImportedARBA annotation
Biological processEndocytosisARBA annotation

<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
Submitted name:
low-density lipoprotein receptor isoform X1Imported
<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:LdlrImported
<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>OrganismiMus caroli (Ryukyu mouse) (Ricefield mouse)Imported
<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 identifieri10089 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<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
  • UP000515126 <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: Genome assembly

<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

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 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>Transmembranei790 – 811HelicalSequence analysisAdd BLAST22

Keywords - Cellular componenti

Membrane

<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 denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 23Sequence analysisAdd BLAST23
<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_502810017924 – 861Sequence analysisAdd BLAST838

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi27 ↔ 39PROSITE-ProRule annotation
Disulfide bondi34 ↔ 52PROSITE-ProRule annotation
Disulfide bondi89 ↔ 104PROSITE-ProRule annotation
Disulfide bondi109 ↔ 121PROSITE-ProRule annotation
Disulfide bondi116 ↔ 134PROSITE-ProRule annotation
Disulfide bondi128 ↔ 143PROSITE-ProRule annotation
Disulfide bondi148 ↔ 160PROSITE-ProRule annotation
Disulfide bondi155 ↔ 173PROSITE-ProRule annotation
Disulfide bondi198 ↔ 210PROSITE-ProRule annotation
Disulfide bondi205 ↔ 223PROSITE-ProRule annotation
Disulfide bondi217 ↔ 232PROSITE-ProRule annotation
Disulfide bondi237 ↔ 249PROSITE-ProRule annotation
Disulfide bondi244 ↔ 262PROSITE-ProRule annotation
Disulfide bondi256 ↔ 271PROSITE-ProRule annotation
Disulfide bondi285 ↔ 303PROSITE-ProRule annotation
Disulfide bondi359 ↔ 369PROSITE-ProRule annotation

Keywords - PTMi

Disulfide bondPROSITE-ProRule annotationARBA annotation, GlycoproteinARBA annotation, LipoproteinImported

<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>Domaini315 – 354EGF-likeInterPro annotationAdd BLAST40
Domaini355 – 394EGF-likeInterPro annotationAdd BLAST40
<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>Repeati440 – 485LDL-receptor class BPROSITE-ProRule annotationAdd BLAST46
Repeati486 – 528LDL-receptor class BPROSITE-ProRule annotationAdd BLAST43
Repeati529 – 572LDL-receptor class BPROSITE-ProRule annotationAdd BLAST44
Repeati573 – 617LDL-receptor class BPROSITE-ProRule annotationAdd BLAST45
Repeati618 – 658LDL-receptor class BPROSITE-ProRule annotationAdd BLAST41

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>Regioni720 – 760DisorderedSequence analysisAdd BLAST41

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 biasi746 – 760PolarSequence analysisAdd BLAST15

Keywords - Domaini

EGF-like domainPROSITE-ProRule annotationARBA annotation, RepeatARBA annotation, SignalSequence analysisARBA annotation, Transmembrane, Transmembrane helixSequence analysisARBA annotation

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00112, LDLa, 6 hits

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.120.10.30, 1 hit
4.10.400.10, 6 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011042, 6-blade_b-propeller_TolB-like
IPR001881, EGF-like_Ca-bd_dom
IPR000742, EGF-like_dom
IPR000152, EGF-type_Asp/Asn_hydroxyl_site
IPR018097, EGF_Ca-bd_CS
IPR009030, Growth_fac_rcpt_cys_sf
IPR036055, LDL_receptor-like_sf
IPR023415, LDLR_class-A_CS
IPR000033, LDLR_classB_rpt
IPR002172, LDrepeatLR_classA_rpt

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF07645, EGF_CA, 1 hit
PF00057, Ldl_recept_a, 7 hits
PF00058, Ldl_recept_b, 5 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00261, LDLRECEPTOR

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00181, EGF, 5 hits
SM00179, EGF_CA, 2 hits
SM00192, LDLa, 7 hits
SM00135, LY, 5 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF57184, SSF57184, 1 hit
SSF57424, SSF57424, 7 hits

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00010, ASX_HYDROXYL, 1 hit
PS01186, EGF_2, 2 hits
PS50026, EGF_3, 2 hits
PS01187, EGF_CA, 1 hit
PS01209, LDLRA_1, 3 hits
PS50068, LDLRA_2, 7 hits
PS51120, LDLRB, 5 hits

<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.

A0A6P5QA77-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSTADLMCRW VIALLLAAAG VAAEDSCSRN EFQCRDGKCI ASKWVCDGSP
60 70 80 90 100
ECPDGSDESP ETCMSVTCQS NQFSCGGRVS RCIPDSWRCD GQVDCENDSD
110 120 130 140 150
EQGCPPKTCS LDDFRCQDGK CISPQFVCDG DRDCLDGSDE AHCKATTCGP
160 170 180 190 200
AHFRCNSSTC IPSLWACDGD GDCDDGSDEW PQNCQGRDTA SKGVSSPCSS
210 220 230 240 250
LEFHCGSSEC IHRSWVCDGE ADCKDKSDEE HCAVATCRPD EFQCADGSCI
260 270 280 290 300
HGSRQCDREH DCKDMSDELG CVNVTQCDGP NKFKCHSGEC ISLDKVCDSA
310 320 330 340 350
RDCRDWSDEP IKECETNECL DNNGGCSHIC KDLKIGSECL CPSGFRLVDL
360 370 380 390 400
HRCEDIDECQ EPDTCSQLCV NLEGSYKCEC RAGFHMDPHT RVCKAVGSIG
410 420 430 440 450
YLLFTNRHEV RKMTLDRSEY TSLLPNLKNV VALDTEVTNN RIYWSDLSQK
460 470 480 490 500
KIYSALMDQA PNLSYDTIIS EDLHAPDGLA VDWIHRNIYW TDSVPGSVSV
510 520 530 540 550
ADTKGVKRRT LFQEAGSRPR AIVVDPVHGF MYWTDWGTPA KIKKGGLNGV
560 570 580 590 600
DIHSLVTENI QWPNGITLDL SSGRLYWVDS KLHSISSIDV NGGNRKTILE
610 620 630 640 650
DENQLAHPFS LAIYEDKVYW TDVINEAIFS ANRLTGADVN LVAENLLSPE
660 670 680 690 700
DIVLFHNVTQ PRGVNWCETT ALPNGGCQYL CLPAPQIGPH SPKFTCACPD
710 720 730 740 750
GMLLAKDMRS CLTEVDTVPT TQGTSAVGPV VTESAARPPK HNEDLSAPST
760 770 780 790 800
PRQPVDTPGL STVASVTVSH QVQGDMAGRG HEEQPRGVRF LSIFFPIALV
810 820 830 840 850
ALLVLGAVLL WRNWRLKNIN SINFDNPVYQ KTTEDELHIC RSQDGYTYPS
860
RQMVSLEDDV A
Length:861
Mass (Da):94,677
Last modified:December 2, 2020 - 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:iA74B8E1FA78C3204
GO

Sequence databases

NCBI Reference Sequences

More...
RefSeqi
XP_021026939.1, XM_021171280.1

<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

RefSeqiXP_021026939.1, XM_021171280.1

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

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

Family and domain databases

CDDicd00112, LDLa, 6 hits
Gene3Di2.120.10.30, 1 hit
4.10.400.10, 6 hits
InterProiView protein in InterPro
IPR011042, 6-blade_b-propeller_TolB-like
IPR001881, EGF-like_Ca-bd_dom
IPR000742, EGF-like_dom
IPR000152, EGF-type_Asp/Asn_hydroxyl_site
IPR018097, EGF_Ca-bd_CS
IPR009030, Growth_fac_rcpt_cys_sf
IPR036055, LDL_receptor-like_sf
IPR023415, LDLR_class-A_CS
IPR000033, LDLR_classB_rpt
IPR002172, LDrepeatLR_classA_rpt
PfamiView protein in Pfam
PF07645, EGF_CA, 1 hit
PF00057, Ldl_recept_a, 7 hits
PF00058, Ldl_recept_b, 5 hits
PRINTSiPR00261, LDLRECEPTOR
SMARTiView protein in SMART
SM00181, EGF, 5 hits
SM00179, EGF_CA, 2 hits
SM00192, LDLa, 7 hits
SM00135, LY, 5 hits
SUPFAMiSSF57184, SSF57184, 1 hit
SSF57424, SSF57424, 7 hits
PROSITEiView protein in PROSITE
PS00010, ASX_HYDROXYL, 1 hit
PS01186, EGF_2, 2 hits
PS50026, EGF_3, 2 hits
PS01187, EGF_CA, 1 hit
PS01209, LDLRA_1, 3 hits
PS50068, LDLRA_2, 7 hits
PS51120, LDLRB, 5 hits

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 nameiA0A6P5QA77_MUSCR
<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: A0A6P5QA77
<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/TrEMBL: December 2, 2020
Last sequence update: December 2, 2020
Last modified: February 10, 2021
This is version 2 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 statusiUnreviewed (UniProtKB/TrEMBL)
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