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LCN1
HPA
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PROTEIN SUMMARY GENE INFORMATION RNA DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

LCN1
Synonyms MGC71975, PMFA, TLC, TP, VEGP
Gene descriptioni

Full gene name according to HGNC.

Lipocalin 1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Cancer-related genes
Plasma proteins
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Secreted
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 9
Cytoband q34.3
Chromosome location (bp) 135521438 - 135526540
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

2
Ensembl ENSG00000160349 (version 109)
Entrez gene 3933
HGNC HGNC:6525
UniProt P31025 (UniProt - Evidence at protein level)
neXtProt NX_P31025
GeneCards LCN1
Antibodypedia LCN1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Could play a role in taste reception. Could be necessary for the concentration and delivery of sapid molecules in the gustatory system. Can bind various ligands, with chemical structures ranging from lipids and retinoids to the macrocyclic antibiotic rifampicin and even to microbial siderophores. Exhibits an extremely wide ligand pocket.... show less
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Sensory transduction, Taste, Transport
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a member of the lipocalin family of small secretory proteins. Lipocalins are extracellular transport proteins that bind to a variety of hydrophobic ligands. The encoded protein is the primary lipid binding protein in tears and is overproduced in response to multiple stimuli including infection and stress. The encoded protein may be a marker for chromosome aneuploidy as well as an autoantigen in Sjogren's syndrome. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene, and two pseudogenes of this gene are also located on the long arm of chromosome 9. [provided by RefSeq, Nov 2011]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
LCN1-201
ENSP00000263598
ENST00000263598
P31025
[Direct mapping] Lipocalin-1
Show all
A0A024R8D7
[Target identity:100%; Query identity:100%] Lipocalin 1 (Tear prealbumin), isoform CRA_a
Show all
   MEMSAT3 predicted membrane proteins
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Plasma proteins
Cancer-related genes
   Candidate cancer biomarkers
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001895 [retina homeostasis]
GO:0004869 [cysteine-type endopeptidase inhibitor activity]
GO:0005102 [signaling receptor binding]
GO:0005515 [protein binding]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006508 [proteolysis]
GO:0008270 [zinc ion binding]
GO:0031404 [chloride ion binding]
GO:0036094 [small molecule binding]
GO:0050896 [response to stimulus]
GO:0050909 [sensory perception of taste]
Show all
176 aa
19.2 kDa
Yes 0
LCN1-202
ENSP00000360846
ENST00000371781
P31025
[Direct mapping] Lipocalin-1
Show all
A0A024R8D7
[Target identity:100%; Query identity:100%] Lipocalin 1 (Tear prealbumin), isoform CRA_a
Show all
   MEMSAT3 predicted membrane proteins
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Plasma proteins
Cancer-related genes
   Candidate cancer biomarkers
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001895 [retina homeostasis]
GO:0004869 [cysteine-type endopeptidase inhibitor activity]
GO:0005102 [signaling receptor binding]
GO:0005515 [protein binding]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006508 [proteolysis]
GO:0008270 [zinc ion binding]
GO:0031404 [chloride ion binding]
GO:0036094 [small molecule binding]
GO:0050896 [response to stimulus]
GO:0050909 [sensory perception of taste]
Show all
176 aa
19.2 kDa
Yes 0

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