Lipocalin-1

Details

Name
Lipocalin-1
Synonyms
  • Tear lipocalin
  • Tear prealbumin
  • Tlc
  • TP
  • VEG protein
  • VEGP
  • Von Ebner gland protein
Gene Name
LCN1
Organism
Humans
Amino acid sequence
>lcl|BSEQ0013952|Lipocalin-1
MKPLLLAVSLGLIAALQAHHLLASDEEIQDVSGTWYLKAMTVDREFPEMNLESVTPMTLT
TLEGGNLEAKVTMLISGRCQEVKAVLEKTDEPGKYTADGGKHVAYIIRSHVKDHYIFYCE
GELHGKPVRGVKLVGRDPKNNLEALEDFEKAAGARGLSTESILIPRQSETCSPGSD
Number of residues
176
Molecular Weight
19249.845
Theoretical pI
Not Available
GO Classification
Functions
cysteine-type endopeptidase inhibitor activity
Processes
long-chain fatty acid transport / negative regulation of endopeptidase activity / proteolysis / response to stimulus / retina homeostasis / sensory perception of taste / transmembrane transport
Components
extracellular exosome / extracellular region / extracellular space
General Function
Cysteine-type endopeptidase inhibitor activity
Specific Function
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.
Pfam Domain Function
Transmembrane Regions
Not Available
Cellular Location
Secreted
Gene sequence
>lcl|BSEQ0013953|Lipocalin-1 (LCN1)
ATGAAGCCCCTGCTCCTGGCCGTCAGCCTTGGCCTCATTGCTGCCCTGCAGGCCCACCAC
CTCCTGGCCTCAGACGAGGAGATTCAGGATGTGTCAGGGACGTGGTATCTGAAGGCCATG
ACGGTGGACAGGGAGTTCCCTGAGATGAATCTGGAATCGGTGACACCCATGACCCTCACG
ACCCTGGAAGGGGGCAACCTGGAAGCCAAGGTCACCATGCTGATAAGTGGCCGGTGCCAG
GAGGTGAAGGCCGTCCTGGAGAAAACTGACGAGCCGGGAAAATACACGGCCGACGGGGGC
AAGCACGTGGCATACATCATCAGGTCGCACGTGAAGGACCACTACATCTTTTACTGTGAG
GGCGAGCTGCACGGGAAGCCGGTCCGAGGGGTGAAGCTCGTGGGCAGAGACCCCAAGAAC
AACCTGGAAGCCTTGGAGGACTTTGAGAAAGCCGCAGGAGCCCGCGGACTCAGCACGGAG
AGCATCCTCATCCCCAGGCAGAGCGAAACCTGCTCTCCAGGGAGCGATTAG
Chromosome Location
9
Locus
Not Available
External Identifiers
ResourceLink
UniProtKB IDP31025
UniProtKB Entry NameLCN1_HUMAN
HGNC IDHGNC:6525
General References
  1. Blaker M, Kock K, Ahlers C, Buck F, Schmale H: Molecular cloning of human von Ebner's gland protein, a member of the lipocalin superfamily highly expressed in lingual salivary glands. Biochim Biophys Acta. 1993 Feb 20;1172(1-2):131-7. [Article]
  2. Redl B, Holzfeind P, Lottspeich F: cDNA cloning and sequencing reveals human tear prealbumin to be a member of the lipophilic-ligand carrier protein superfamily. J Biol Chem. 1992 Oct 5;267(28):20282-7. [Article]
  3. Lassagne H, Gachon AM: Cloning of a human lacrimal lipocalin secreted in tears. Exp Eye Res. 1993 May;56(5):605-9. [Article]
  4. Holzfeind P, Redl B: Structural organization of the gene encoding the human lipocalin tear prealbumin and synthesis of the recombinant protein in Escherichia coli. Gene. 1994 Feb 25;139(2):177-83. [Article]
  5. Humphray SJ, Oliver K, Hunt AR, Plumb RW, Loveland JE, Howe KL, Andrews TD, Searle S, Hunt SE, Scott CE, Jones MC, Ainscough R, Almeida JP, Ambrose KD, Ashwell RI, Babbage AK, Babbage S, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beasley H, Beasley O, Bird CP, Bray-Allen S, Brown AJ, Brown JY, Burford D, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Chen Y, Clarke G, Clark SY, Clee CM, Clegg S, Collier RE, Corby N, Crosier M, Cummings AT, Davies J, Dhami P, Dunn M, Dutta I, Dyer LW, Earthrowl ME, Faulkner L, Fleming CJ, Frankish A, Frankland JA, French L, Fricker DG, Garner P, Garnett J, Ghori J, Gilbert JG, Glison C, Grafham DV, Gribble S, Griffiths C, Griffiths-Jones S, Grocock R, Guy J, Hall RE, Hammond S, Harley JL, Harrison ES, Hart EA, Heath PD, Henderson CD, Hopkins BL, Howard PJ, Howden PJ, Huckle E, Johnson C, Johnson D, Joy AA, Kay M, Keenan S, Kershaw JK, Kimberley AM, King A, Knights A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd C, Lloyd DM, Lovell J, Martin S, Mashreghi-Mohammadi M, Matthews L, McLaren S, McLay KE, McMurray A, Milne S, Nickerson T, Nisbett J, Nordsiek G, Pearce AV, Peck AI, Porter KM, Pandian R, Pelan S, Phillimore B, Povey S, Ramsey Y, Rand V, Scharfe M, Sehra HK, Shownkeen R, Sims SK, Skuce CD, Smith M, Steward CA, Swarbreck D, Sycamore N, Tester J, Thorpe A, Tracey A, Tromans A, Thomas DW, Wall M, Wallis JM, West AP, Whitehead SL, Willey DL, Williams SA, Wilming L, Wray PW, Young L, Ashurst JL, Coulson A, Blocker H, Durbin R, Sulston JE, Hubbard T, Jackson MJ, Bentley DR, Beck S, Rogers J, Dunham I: DNA sequence and analysis of human chromosome 9. Nature. 2004 May 27;429(6990):369-74. [Article]
  6. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [Article]
  7. Azkargorta M, Soria J, Ojeda C, Guzman F, Acera A, Iloro I, Suarez T, Elortza F: Human Basal Tear Peptidome Characterization by CID, HCD, and ETD Followed by in Silico and in Vitro Analyses for Antimicrobial Peptide Identification. J Proteome Res. 2015 Jun 5;14(6):2649-58. doi: 10.1021/acs.jproteome.5b00179. Epub 2015 May 20. [Article]
  8. Wojnar P, Lechner M, Merschak P, Redl B: Molecular cloning of a novel lipocalin-1 interacting human cell membrane receptor using phage display. J Biol Chem. 2001 Jun 8;276(23):20206-12. Epub 2001 Apr 3. [Article]
  9. Wojnar P, Lechner M, Redl B: Antisense down-regulation of lipocalin-interacting membrane receptor expression inhibits cellular internalization of lipocalin-1 in human NT2 cells. J Biol Chem. 2003 May 2;278(18):16209-15. Epub 2003 Feb 18. [Article]
  10. Breustedt DA, Korndorfer IP, Redl B, Skerra A: The 1.8-A crystal structure of human tear lipocalin reveals an extended branched cavity with capacity for multiple ligands. J Biol Chem. 2005 Jan 7;280(1):484-93. Epub 2004 Oct 15. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB00755Tretinoinapproved, investigational, nutraceuticalunknownbinderDetails