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Entry version 130 (07 Apr 2021)
Sequence version 2 (01 Oct 1996)
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Protein

Cobalamin binding intrinsic factor

Gene

Cblif

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

Promotes absorption of the essential vitamin cobalamin (Cbl) in the ileum. After interaction with CUBN, the CBLIF-cobalamin complex is internalized via receptor-mediated endocytosis (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 describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei171Cob(II)alaminBy similarity1
Binding sitei222Cob(II)alaminBy similarity1
Binding sitei270Cob(II)alaminBy similarity1

<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

Biological processCobalt transport, Ion transport, Transport
LigandCobalt

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-196741, Cobalamin (Cbl, vitamin B12) transport and metabolism

<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:
Cobalamin binding intrinsic factorCurated
Alternative name(s):
Gastric intrinsic factorCurated
Intrinsic factor
Short name:
IF
Short name:
INF
<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:CblifImported
Synonyms:GifImported
<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: Unplaced

Organism-specific databases

Rat genome database

More...
RGDi
62084, Cblif

<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

Keywords - Cellular componenti

Secreted

<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 – 18CuratedAdd BLAST18
<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_000000556019 – 417Cobalamin binding intrinsic factorAdd BLAST399

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 bondi26 ↔ 246By similarity
Disulfide bondi103 ↔ 288By similarity
Disulfide bondi143 ↔ 182By similarity
<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 residuei191PhosphoserineCombined sources1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">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>Glycosylationi209N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi311N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi330N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi413N-linked (GlcNAc...) asparagineSequence analysis1

<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

The N-terminus is blocked.

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein

Proteomic databases

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

More...
PaxDbi
P17267

PTM databases

GlyGen: Computational and Informatics Resources for Glycoscience

More...
GlyGeni
P17267, 4 sites

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P17267

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

More...
PhosphoSitePlusi
P17267

<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

Gastric mucosa.

<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 CUBN (via CUB domains).

By similarity

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000028507

<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
P17267

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>Regioni365 – 370Cob(II)alamin bindingBy similarity6
Regioni386 – 395Cob(II)alamin bindingBy similarity10

<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

Keywords - Domaini

Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG502RXIA, Eukaryota

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P17267

Database of Orthologous Groups

More...
OrthoDBi
1233171at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P17267

TreeFam database of animal gene trees

More...
TreeFami
TF333092

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR002157, Cbl-bd_prot

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01122, Cobalamin_bind, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00468, COBALAMIN_BINDING, 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>Sequence (1+)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 has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

P17267-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAWLSFYLLN VLWAVAGTST RAQRSCSVPP DQQPWVNGLQ LLMENSVTES
60 70 80 90 100
DLPNPSILIA MNLASTYNLE AQKLLTYQLM ASDSADLTNG QLALTIMALT
110 120 130 140 150
SSCRDPGSKV SILQKNMESW TPSNLGAESS SFYGPALAIL ALCQKNSEAT
160 170 180 190 200
LPIAVRFAKT LMMESSPFSV DTGAVATLAL TCMYNRIPVG SQENYRDLFG
210 220 230 240 250
QALKVIVDNI SLRIKADGII GDIYSTGLAM QALSVTPEQP TKEWDCEKTM
260 270 280 290 300
YTILKEIKQG KFQNPMSIAQ ILPSLKGKTY LDVPQVTCGP DHEVPPTLTD
310 320 330 340 350
YPTPVPTSIS NITVIYTINN QLRGVDLLFN VTIEVSVKSG SVLLAVLEEA
360 370 380 390 400
QRRNHMFKFE TTMTSWGLIV SSINNIAENV KHKTYWEFLS GKTPLGEGVA
410
YYIPFNYEHI TANFTQY
Length:417
Mass (Da):45,956
Last modified:October 1, 1996 - v2
<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:i881BF5B2C77563C3
GO

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

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A0G2JSS6A0A0G2JSS6_RAT
Cobalamin-binding intrinsic factor
Cblif Gif
421Annotation 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>

<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 AAA41361 differs from that shown. Reason: Erroneous initiation. Extended N-terminus.Curated
The sequence BAA08140 differs from that shown. Reason: Erroneous initiation. Extended N-terminus.Curated

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
J03577 mRNA Translation: AAA41361.1 Different initiation.
D45200 Genomic DNA Translation: BAA08140.1 Different initiation.

Protein sequence database of the Protein Information Resource

More...
PIRi
A34003

NCBI Reference Sequences

More...
RefSeqi
NP_058858.1, NM_017162.3

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
29319

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:29319

UCSC genome browser

More...
UCSCi
RGD:62084, 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
J03577 mRNA Translation: AAA41361.1 Different initiation.
D45200 Genomic DNA Translation: BAA08140.1 Different initiation.
PIRiA34003
RefSeqiNP_058858.1, NM_017162.3

3D structure databases

SMRiP17267
ModBaseiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000028507

PTM databases

GlyGeniP17267, 4 sites
iPTMnetiP17267
PhosphoSitePlusiP17267

Proteomic databases

PaxDbiP17267

Genome annotation databases

GeneIDi29319
KEGGirno:29319
UCSCiRGD:62084, rat

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
2694
RGDi62084, Cblif

Phylogenomic databases

eggNOGiENOG502RXIA, Eukaryota
InParanoidiP17267
OrthoDBi1233171at2759
PhylomeDBiP17267
TreeFamiTF333092

Enzyme and pathway databases

ReactomeiR-RNO-196741, Cobalamin (Cbl, vitamin B12) transport and metabolism

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P17267

Family and domain databases

InterProiView protein in InterPro
IPR002157, Cbl-bd_prot
PfamiView protein in Pfam
PF01122, Cobalamin_bind, 1 hit
PROSITEiView protein in PROSITE
PS00468, COBALAMIN_BINDING, 1 hit

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 nameiIF_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: P17267
Secondary accession number(s): O35801
<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: August 1, 1990
Last sequence update: October 1, 1996
Last modified: April 7, 2021
This is version 130 of the entry and version 2 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

Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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