Human Gene HAMP (ENST00000222304.5) from GENCODE V44
  Description: Homo sapiens hepcidin antimicrobial peptide (HAMP), mRNA. (from RefSeq NM_021175)
RefSeq Summary (NM_021175): The product encoded by this gene is involved in the maintenance of iron homeostasis, and it is necessary for the regulation of iron storage in macrophages, and for intestinal iron absorption. The preproprotein is post-translationally cleaved into mature peptides of 20, 22 and 25 amino acids, and these active peptides are rich in cysteines, which form intramolecular bonds that stabilize their beta-sheet structures. These peptides exhibit antimicrobial activity against bacteria and fungi. Mutations in this gene cause hemochromatosis type 2B, also known as juvenile hemochromatosis, a disease caused by severe iron overload that results in cardiomyopathy, cirrhosis, and endocrine failure. [provided by RefSeq, Oct 2014].
Gencode Transcript: ENST00000222304.5
Gencode Gene: ENSG00000105697.9
Transcript (Including UTRs)
   Position: hg38 chr19:35,282,528-35,285,143 Size: 2,616 Total Exon Count: 3 Strand: +
Coding Region
   Position: hg38 chr19:35,282,578-35,285,042 Size: 2,465 Coding Exon Count: 3 

Page IndexSequence and LinksUniProtKB CommentsPrimersMalaCardsCTD
RNA-Seq ExpressionMicroarray ExpressionRNA StructureProtein StructureOther SpeciesGO Annotations
mRNA DescriptionsOther NamesGeneReviewsMethods
Data last updated at UCSC: 2023-08-18 00:09:47

-  Sequence and Links to Tools and Databases
 
Genomic Sequence (chr19:35,282,528-35,285,143)mRNA (may differ from genome)Protein (84 aa)
Gene SorterGenome BrowserOther Species FASTAGene interactionsTable SchemaAlphaFold
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HGNCHPRDLynxMalacardsMGIneXtProt
OMIMPubMedUniProtKBWikipediaBioGrid CRISPR DB

-  Comments and Description Text from UniProtKB
  ID: HEPC_HUMAN
DESCRIPTION: RecName: Full=Hepcidin; AltName: Full=Liver-expressed antimicrobial peptide 1; Short=LEAP-1; AltName: Full=Putative liver tumor regressor; Short=PLTR; Contains: RecName: Full=Hepcidin-25; Short=Hepc25; Contains: RecName: Full=Hepcidin-20; Short=Hepc20; Flags: Precursor;
FUNCTION: Seems to act as a signaling molecule involved in the maintenance of iron homeostasis. Seems to be required in conjunction with HFE to regulate both intestinal iron absorption and iron storage in macrophages (By similarity).
FUNCTION: Has strong antimicrobial activity against E.coli ML35P N.cinerea and weaker against S.epidermidis, S.aureus and group b streptococcus bacteria. Active against the fungus C.albicans. No activity against P.aeruginosa.
SUBCELLULAR LOCATION: Secreted.
TISSUE SPECIFICITY: Highest expression in liver and to a lesser extent in heart and brain. Low levels in lung, tonsils, salivary gland, trachea, prostate gland, adrenal gland and thyroid gland. Secreted into the urine.
MASS SPECTROMETRY: Mass=2789.8; Method=MALDI; Range=60-84; Source=PubMed:11034317;
DISEASE: Defects in HAMP are the cause of hemochromatosis type 2B (HFE2B) [MIM:613313]; also known as juvenile hemochromatosis (JH). HFE2B is a disorder of iron metabolism with excess deposition of iron in the tissues, bronze skin pigmentation, hepatic cirrhosis, arthropathy and diabetes. The most common symptoms of hemochromatosis type 2 at presentation are hypogonadism and cardiomyopathy.
SIMILARITY: Belongs to the hepcidin family.
WEB RESOURCE: Name=GeneReviews; URL="http://www.ncbi.nlm.nih.gov/sites/GeneTests/lab/gene/HAMP";
WEB RESOURCE: Name=Wikipedia; Note=Hepcidin entry; URL="http://en.wikipedia.org/wiki/Hepcidin";

-  Primer design for this transcript
 

Primer3Plus can design qPCR Primers that straddle exon-exon-junctions, which amplify only cDNA, not genomic DNA.
Click here to load the transcript sequence and exon structure into Primer3Plus

Exonprimer can design one pair of Sanger sequencing primers around every exon, located in non-genic sequence.
Click here to open Exonprimer with this transcript

To design primers for a non-coding sequence, zoom to a region of interest and select from the drop-down menu: View > In External Tools > Primer3


-  MalaCards Disease Associations
  MalaCards Gene Search: HAMP
Diseases sorted by gene-association score: hemochromatosis, type 2b* (1219), hemochromatosis* (292), hemochromatosis type 2* (263), hamp-related juvenile hemochromatosis* (100), deficiency anemia (18), hemosiderosis (10), iron deficiency anemia (10), metal metabolism disorder (10), anemia, sideroblastic, 1 (9), porphyria cutanea tarda (7), nutritional deficiency disease (7), hemoglobinopathy (7), atransferrinemia (6), thalassemia major (6), periodic limb movement disorder (5), inherited metabolic disorder (4), anemia of prematurity (4), rhizomelic chondrodysplasia punctata, type 2 (4), cardiomyopathy (3), hepatitis c virus (3), malaria (2), immune system disease (1)
* = Manually curated disease association

-  Comparative Toxicogenomics Database (CTD)
  The following chemicals interact with this gene           more ... click here to view the complete list

-  RNA-Seq Expression Data from GTEx (53 Tissues, 570 Donors)
  Highest median expression: 359.20 RPKM in Liver
Total median expression: 478.91 RPKM



View in GTEx track of Genome Browser    View at GTEx portal     View GTEx Body Map

+  Microarray Expression Data
  Press "+" in the title bar above to open this section.

-  mRNA Secondary Structure of 3' and 5' UTRs
 
RegionFold EnergyBasesEnergy/Base
Display As
5' UTR -11.0050-0.220 Picture PostScript Text
3' UTR -12.80101-0.127 Picture PostScript Text

The RNAfold program from the Vienna RNA Package is used to perform the secondary structure predictions and folding calculations. The estimated folding energy is in kcal/mol. The more negative the energy, the more secondary structure the RNA is likely to have.

-  Protein Domain and Structure Information
  InterPro Domains: Graphical view of domain structure
IPR010500 - Hepcidin

Pfam Domains:
PF06446 - Hepcidin

Protein Data Bank (PDB) 3-D Structure
MuPIT help
1M4E - NMR 1M4F - NMR 2KEF - NMR MuPIT 3H0T - X-ray MuPIT


ModBase Predicted Comparative 3D Structure on P81172
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-  Orthologous Genes in Other Species
  Orthologies between human, mouse, and rat are computed by taking the best BLASTP hit, and filtering out non-syntenic hits. For more distant species reciprocal-best BLASTP hits are used. Note that the absence of an ortholog in the table below may reflect incomplete annotations in the other species rather than a true absence of the orthologous gene.
MouseRatZebrafishD. melanogasterC. elegansS. cerevisiae
Genome BrowserGenome BrowserGenome BrowserNo orthologNo orthologNo ortholog
Gene Details     
Gene Sorter     
MGIRGDEnsembl   
Protein SequenceProtein SequenceProtein Sequence   
AlignmentAlignmentAlignment   

-  Gene Ontology (GO) Annotations with Structured Vocabulary
  Molecular Function:
GO:0005102 receptor binding
GO:0005179 hormone activity
GO:0097690 iron channel inhibitor activity

Biological Process:
GO:0000122 negative regulation of transcription from RNA polymerase II promoter
GO:0002092 positive regulation of receptor internalization
GO:0006879 cellular iron ion homeostasis
GO:0006953 acute-phase response
GO:0006955 immune response
GO:0007568 aging
GO:0010039 response to iron ion
GO:0010043 response to zinc ion
GO:0010469 regulation of receptor activity
GO:0031640 killing of cells of other organism
GO:0032413 negative regulation of ion transmembrane transporter activity
GO:0033189 response to vitamin A
GO:0034760 negative regulation of iron ion transmembrane transport
GO:0036017 response to erythropoietin
GO:0042742 defense response to bacterium
GO:0045471 response to ethanol
GO:0050829 defense response to Gram-negative bacterium
GO:0050830 defense response to Gram-positive bacterium
GO:0050832 defense response to fungus
GO:0060586 multicellular organismal iron ion homeostasis
GO:0061051 positive regulation of cell growth involved in cardiac muscle cell development
GO:0071222 cellular response to lipopolysaccharide
GO:0071354 cellular response to interleukin-6
GO:0071356 cellular response to tumor necrosis factor
GO:0071481 cellular response to X-ray
GO:0097421 liver regeneration
GO:1902916 positive regulation of protein polyubiquitination
GO:1903413 cellular response to bile acid
GO:1904039 negative regulation of ferrous iron export
GO:1904255 negative regulation of iron channel activity
GO:1904479 negative regulation of intestinal absorption
GO:1990641 response to iron ion starvation
GO:2000646 positive regulation of receptor catabolic process

Cellular Component:
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005623 cell
GO:0005737 cytoplasm
GO:0014704 intercalated disc
GO:0045179 apical cortex


-  Descriptions from all associated GenBank mRNAs
  AF309489 - Homo sapiens prohepcidin (HEPC) mRNA, complete cds.
AK096110 - Homo sapiens cDNA FLJ38791 fis, clone LIVER2003008.
BC020612 - Homo sapiens hepcidin antimicrobial peptide, mRNA (cDNA clone MGC:22220 IMAGE:4715540), complete cds.
AF131292 - Homo sapiens putative liver tumor regressor (PLTR) mRNA, complete cds.
AY358669 - Homo sapiens clone DNA58846 LEAP-1 (UNQ487) mRNA, complete cds.
AJ277280 - Homo sapiens mRNA for liver-expressed antimicrobial peptide (leap-1 gene).
JD063827 - Sequence 44851 from Patent EP1572962.
HZ504212 - WO 2016027469-A/1: Hepcidin mRNA spricing variant and a method for diagnosing a cancer using the same.
HZ504213 - WO 2016027469-A/2: Hepcidin mRNA spricing variant and a method for diagnosing a cancer using the same.
JD347582 - Sequence 328606 from Patent EP1572962.
AF147355 - Homo sapiens full length insert cDNA clone YB44E08.
JD389383 - Sequence 370407 from Patent EP1572962.
JD200217 - Sequence 181241 from Patent EP1572962.

-  Other Names for This Gene
  Alternate Gene Symbols: ENST00000222304.1, ENST00000222304.2, ENST00000222304.3, ENST00000222304.4, HEPC, HEPC_HUMAN, LEAP1, NM_021175, P81172, Q1HE14, Q9BY68, uc060xaz.1, uc060xaz.2, uc060xaz.3, UNQ487/PRO1003
UCSC ID: ENST00000222304.5
RefSeq Accession: NM_021175
Protein: P81172 (aka HEPC_HUMAN)
CCDS: CCDS12454.1

-  GeneReviews for This Gene
  GeneReviews article(s) related to gene HAMP:
jh (Juvenile Hemochromatosis)

-  Methods, Credits, and Use Restrictions
  Click here for details on how this gene model was made and data restrictions if any.