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Aliases for MEP1A Gene

Aliases for MEP1A Gene

  • Meprin A Subunit Alpha 2 3 5
  • PABA Peptide Hydrolase 2 3 4
  • N-Benzoyl-L-Tyrosyl-P-Amino-Benzoic Acid Hydrolase Subunit Alpha 3 4
  • Meprin A, Alpha (PABA Peptide Hydrolase) 2 3
  • Endopeptidase-2 3 4
  • EC 4 63
  • PPH Alpha 3 4
  • BA268F1.1 (Meprin A Alpha (PABA Peptide Hydrolase)) 3
  • EC 3.4.24 63
  • PPHA 3

External Ids for MEP1A Gene

Previous GeneCards Identifiers for MEP1A Gene

  • GC06U990080
  • GC06P046757
  • GC06P046807
  • GC06P046869
  • GC06P046484

Summaries for MEP1A Gene

GeneCards Summary for MEP1A Gene

MEP1A (Meprin A Subunit Alpha) is a Protein Coding gene. Among its related pathways are Protein digestion and absorption. GO annotations related to this gene include metalloendopeptidase activity and metallopeptidase activity. An important paralog of this gene is ASTL.

Gene Wiki entry for MEP1A Gene

No data available for Entrez Gene Summary , UniProtKB/Swiss-Prot , Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for MEP1A Gene

Genomics for MEP1A Gene

Regulatory Elements for MEP1A Gene

Enhancers for MEP1A Gene
GeneHancer Identifier Score Enhancer Sources TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor Binding Sites within enhancer Other Gene Targets for Enhancer

Enhancers around MEP1A on UCSC Golden Path with GeneCards custom track

Genomic Location for MEP1A Gene

46,793,357 bp from pter
46,845,987 bp from pter
52,631 bases
Plus strand

Genomic View for MEP1A Gene

Genes around MEP1A on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
MEP1A Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for MEP1A Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for MEP1A Gene

Proteins for MEP1A Gene

  • Protein details for MEP1A Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Meprin A subunit alpha
    Protein Accession:
    Secondary Accessions:
    • A2RRM4
    • B0AZP9
    • B2RCS2
    • Q8TDC9
    • Q9H1R1

    Protein attributes for MEP1A Gene

    746 amino acids
    Molecular mass:
    84419 Da
    Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
    Quaternary structure:
    • Homotetramer consisting of disulfide-linked alpha subunits, homooligomer consisting of disulfide-linked alpha subunit homodimers, or heterotetramer of two alpha and two beta subunits formed by non-covalent association of two disulfide-linked heterodimers (By similarity). Interacts with MBL2 through its carbohydrate moiety. This interaction may inhibit its catalytic activity (By similarity).

neXtProt entry for MEP1A Gene

Proteomics data for MEP1A Gene at MOPED

Selected DME Specific Peptides for MEP1A Gene

Post-translational modifications for MEP1A Gene

  • N-glycosylated; contains GlcNAc, galactose, mannose and a small amount of fucose.
  • Glycosylation at Asn 140, Asn 222, Asn 258, Asn 414, Asn 440, Asn 447, and Asn 539
  • Modification sites at PhosphoSitePlus

Other Protein References for MEP1A Gene

ENSEMBL proteins:
REFSEQ proteins:

Antibody Products

  • R&D Systems Antibodies for MEP1A (Meprin alpha Subunit/MEP1A)

Domains & Families for MEP1A Gene

Gene Families for MEP1A Gene

Suggested Antigen Peptide Sequences for MEP1A Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • Contains 1 EGF-like domain.
  • Belongs to the peptidase M12A family.
  • Contains 1 EGF-like domain.
  • Contains 1 MAM domain.
  • Contains 1 MATH domain.
  • Belongs to the peptidase M12A family.
genes like me logo Genes that share domains with MEP1A: view

Function for MEP1A Gene

Molecular function for MEP1A Gene

GENATLAS Biochemistry:
zinc metalloendopeptidase 1,meprin,alpha subunit,astacin family of metalloendopeptidases
UniProtKB/Swiss-Prot BiophysicochemicalProperties:
Kinetic parameters: KM=110 uM for GRP {ECO:0000269 PubMed:17976009}; KM=18.0 uM for PTH 12-34 {ECO:0000269 PubMed:17976009}; KM=33.9 uM for secretin {ECO:0000269 PubMed:17976009}; KM=41.3 uM for substance P {ECO:0000269 PubMed:17976009}; KM=56.5 uM for LHRH {ECO:0000269 PubMed:17976009}; KM=73.2 uM for orcokinin {ECO:0000269 PubMed:17976009}; KM=292 uM for alpha-MSH {ECO:0000269 PubMed:17976009}; KM=125 uM for bradykinin {ECO:0000269 PubMed:17976009}; KM=200 uM for gastrin {ECO:0000269 PubMed:17976009};
UniProtKB/Swiss-Prot CatalyticActivity:
Hydrolysis of protein and peptide substrates preferentially on carboxyl side of hydrophobic residues.
UniProtKB/Swiss-Prot EnzymeRegulation:
Inhibited by several hydroxamate compounds, the most potent inhibitor is actinonin.

Enzyme Numbers (IUBMB) for MEP1A Gene

Gene Ontology (GO) - Molecular Function for MEP1A Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0004222 metalloendopeptidase activity IEA --
genes like me logo Genes that share ontologies with MEP1A: view
genes like me logo Genes that share phenotypes with MEP1A: view

Animal Models for MEP1A Gene

MGI Knock Outs for MEP1A:

Animal Model Products

  • Taconic Biosciences Mouse Models for MEP1A

miRNA for MEP1A Gene

miRTarBase miRNAs that target MEP1A

No data available for Human Phenotype Ontology , Transcription Factor Targets and HOMER Transcription for MEP1A Gene

Localization for MEP1A Gene

Subcellular locations from UniProtKB/Swiss-Prot for MEP1A Gene

Membrane; Single-pass type I membrane protein.

Subcellular locations from

Jensen Localization Image for MEP1A Gene COMPARTMENTS Subcellular localization image for MEP1A gene
Compartment Confidence
extracellular 5
plasma membrane 5
endoplasmic reticulum 1

Gene Ontology (GO) - Cellular Components for MEP1A Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0016020 membrane IEA --
GO:0016021 integral component of membrane IEA --
GO:0070062 extracellular exosome IDA 11487543
genes like me logo Genes that share ontologies with MEP1A: view

Pathways & Interactions for MEP1A Gene

genes like me logo Genes that share pathways with MEP1A: view

Pathways by source for MEP1A Gene

1 KEGG pathway for MEP1A Gene

Gene Ontology (GO) - Biological Process for MEP1A Gene


No data available for SIGNOR curated interactions for MEP1A Gene

Drugs & Compounds for MEP1A Gene

No Compound Related Data Available

Transcripts for MEP1A Gene

mRNA/cDNA for MEP1A Gene

Unigene Clusters for MEP1A Gene

Meprin A, alpha (PABA peptide hydrolase):
Representative Sequences:

Alternative Splicing Database (ASD) splice patterns (SP) for MEP1A Gene

No ASD Table

Relevant External Links for MEP1A Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for MEP1A Gene

mRNA expression in normal human tissues for MEP1A Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for MEP1A Gene

This gene is overexpressed in Small Intestine - Terminal Ileum (x34.9) and Colon - Transverse (x16.7).

Protein differential expression in normal tissues from HIPED for MEP1A Gene

This gene is overexpressed in Pancreatic juice (56.5) and Fetal gut (11.9).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, and MOPED for MEP1A Gene

SOURCE GeneReport for Unigene cluster for MEP1A Gene Hs.179704

genes like me logo Genes that share expression patterns with MEP1A: view

Protein tissue co-expression partners for MEP1A Gene

- Elite partner

Primer Products

No data available for mRNA Expression by UniProt/SwissProt for MEP1A Gene

Orthologs for MEP1A Gene

This gene was present in the common ancestor of animals.

Orthologs for MEP1A Gene

Organism Taxonomy Gene Similarity Type Details
(Bos Taurus)
Mammalia MEP1A 35
  • 85.39 (n)
  • 82.55 (a)
MEP1A 36
  • 82 (a)
(Canis familiaris)
Mammalia MEP1A 35
  • 86.76 (n)
  • 82.95 (a)
MEP1A 36
  • 83 (a)
(Mus musculus)
Mammalia Mep1a 35
  • 79.88 (n)
  • 75.54 (a)
Mep1a 16
Mep1a 36
  • 74 (a)
(Pan troglodytes)
Mammalia MEP1A 35
  • 99.46 (n)
  • 99.33 (a)
MEP1A 36
  • 99 (a)
(Rattus norvegicus)
Mammalia Mep1a 35
  • 79.84 (n)
  • 76.21 (a)
(Monodelphis domestica)
Mammalia MEP1A 36
  • 75 (a)
(Ornithorhynchus anatinus)
Mammalia MEP1A 36
  • 69 (a)
(Gallus gallus)
Aves MEP1A 35
  • 67.57 (n)
  • 67.28 (a)
MEP1A 36
  • 66 (a)
(Anolis carolinensis)
Reptilia MEP1A 36
  • 53 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia mep1a 35
  • 64.5 (n)
  • 62.28 (a)
(Danio rerio)
Actinopterygii mep1a.2 35
  • 61.47 (n)
  • 57.5 (a)
mep1a.1 36
  • 57 (a)
rainbow trout
(Oncorhynchus mykiss)
Actinopterygii Omy.2334 35
fruit fly
(Drosophila melanogaster)
Insecta BG:BACR44L22.1 37
  • 33 (a)
BG:BACR44L22.6 37
  • 33 (a)
CG6696 37
  • 37 (a)
CG15253 36
  • 33 (a)
(Caenorhabditis elegans)
Secernentea 4R79.1 37
  • 38 (a)
C05D11.6 37
  • 36 (a)
C07D10.4 37
  • 36 (a)
K04E7.3 37
  • 32 (a)
T04G9.2 37
  • 38 (a)
sea squirt
(Ciona savignyi)
Ascidiacea -- 36
  • 37 (a)
Species with no ortholog for MEP1A:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)

Evolution for MEP1A Gene

Gene Tree for MEP1A (if available)
Gene Tree for MEP1A (if available)

Paralogs for MEP1A Gene

Paralogs for MEP1A Gene

(1) SIMAP similar genes for MEP1A Gene using alignment to 2 proteins: Pseudogenes for MEP1A Gene

genes like me logo Genes that share paralogs with MEP1A: view

Variants for MEP1A Gene

Sequence variations from dbSNP and Humsavar for MEP1A Gene

SNP ID Clin Chr 06 pos Sequence Context AA Info Type
rs2274658 - 46,833,334(+) TTGGG(G/T)TAACT reference, missense
rs2297019 - 46,835,365(-) TAACA(C/T)GGCCT reference, missense
rs12197930 - 46,833,355(+) ATAGC(A/G)GAGAA reference, missense
rs1804211 - 46,839,072(+) AGGCA(C/T)GGCTG intron-variant, reference, missense
rs2297020 - 46,835,281(-) TTTAG(A/T)GGGAA reference, missense

Structural Variations from Database of Genomic Variants (DGV) for MEP1A Gene

Variant ID Type Subtype PubMed ID
nsv885868 CNV Gain 21882294
nsv428147 CNV Gain 18775914
dgv1948e1 CNV Complex 17122850
nsv830654 CNV Gain 17160897
esv2535765 CNV Deletion 19546169
esv1387664 CNV Deletion 17803354
esv24845 CNV Gain 19812545
nsv7895 CNV Gain 18304495
nsv823683 CNV Gain 20364138
nsv823684 CNV Gain 20364138

Variation tolerance for MEP1A Gene

Residual Variation Intolerance Score: 34.1% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 10.54; 91.17% of all genes are more intolerant (likely to be disease-causing)

Relevant External Links for MEP1A Gene

Human Gene Mutation Database (HGMD)

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for MEP1A Gene

Disorders for MEP1A Gene

Relevant External Links for MEP1A

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator
Atlas of Genetics and Cytogenetics in Oncology and Haematology:

No disorders were found for MEP1A Gene.

No data available for MalaCards , UniProtKB/Swiss-Prot and Genatlas for MEP1A Gene

Publications for MEP1A Gene

  1. MEP1A allele for meprin A metalloprotease is a susceptibility gene for inflammatory bowel disease. (PMID: 19262505) Banerjee S. … Bond J.S. (Mucosal Immunol 2009) 3 23 48 67
  2. The structural genes, MEP1A and MEP1B, for the alpha and beta subunits of the metalloendopeptidase meprin map to human chromosomes 6p and 18q, respectively. (PMID: 7774936) Bond J.S. … Jiang W. (Genomics 1995) 2 3 23
  3. Structure and expression of the human MEP1A gene encoding the alpha subunit of metalloendopeptidase meprin A. (PMID: 10898933) Jiang W. … Le B. (Arch. Biochem. Biophys. 2000) 3 23
  4. Polarised expression of human intestinal N-benzoyl-L-tyrosyl-p- aminobenzoic acid hydrolase (human meprin) alpha and beta subunits in Madin-Darby canine kidney cells. (PMID: 9288916) Eldering J.A. … Sterchi E.E. (Eur. J. Biochem. 1997) 3 23
  5. Cloning of the PABA peptide hydrolase alpha subunit (PPH alpha) from human small intestine and its expression in COS-1 cells. (PMID: 8262185) Dumermuth E. … Sterchi E.E. (FEBS Lett. 1993) 3 23

Products for MEP1A Gene

Sources for MEP1A Gene