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Aliases for MASP1 Gene

Aliases for MASP1 Gene

  • Mannan-Binding Lectin Serine Peptidase 1 (C4/C2 Activating Component Of Ra-Reactive Factor) 2 3
  • CRARF 3 4 6
  • Complement-Activating Component Of Ra-Reactive Factor 3 4
  • Mannose-Binding Lectin-Associated Serine Protease 1 3 4
  • Mannose-Binding Protein-Associated Serine Protease 3 4
  • Ra-Reactive Factor Serine Protease P100 3 4
  • Complement Factor MASP-3 3 4
  • Serine Protease 5 3 4
  • CRARF1 3 4
  • PRSS5 3 4
  • 3MC1 3 6
  • RaRF 3 4
  • Mannan-Binding Lectin Serine Protease 1 (C4/C2 Activating Component Of Ra-Reactive Factor) 2
  • Mannan-Binding Lectin Serine Protease 1 3
  • EC 3.4.21.104 64
  • EC 3.4.21.42 64
  • EC 3.4.21.- 4
  • EC 3.4.21 64
  • MASP-1 4
  • MASP3 3
  • MAp44 3
  • MAP1 3
  • MASP 3

External Ids for MASP1 Gene

Previous Symbols for MASP1 Gene

  • CRARF
  • PRSS5

Summaries for MASP1 Gene

Entrez Gene Summary for MASP1 Gene

  • This gene encodes a serine protease that functions as a component of the lectin pathway of complement activation. The complement pathway plays an essential role in the innate and adaptive immune response. The encoded protein is synthesized as a zymogen and is activated when it complexes with the pathogen recognition molecules of lectin pathway, the mannose-binding lectin and the ficolins. This protein is not directly involved in complement activation but may play a role as an amplifier of complement activation by cleaving complement C2 or by activating another complement serine protease, MASP-2. The encoded protein is also able to cleave fibrinogen and factor XIII and may may be involved in coagulation. A splice variant of this gene which lacks the serine protease domain functions as an inhibitor of the complement pathway. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Apr 2010]

GeneCards Summary for MASP1 Gene

MASP1 (Mannan-Binding Lectin Serine Peptidase 1 (C4/C2 Activating Component Of Ra-Reactive Factor)) is a Protein Coding gene. Diseases associated with MASP1 include 3mc syndrome 1 and michels syndrome. Among its related pathways are Complement and coagulation cascades and Complement and coagulation cascades. GO annotations related to this gene include calcium ion binding and serine-type endopeptidase activity. An important paralog of this gene is HP.

UniProtKB/Swiss-Prot for MASP1 Gene

  • Functions in the lectin pathway of complement, which performs a key role in innate immunity by recognizing pathogens through patterns of sugar moieties and neutralizing them. The lectin pathway is triggered upon binding of mannan-binding lectin (MBL) and ficolins to sugar moieties which leads to activation of the associated proteases MASP1 and MASP2. Functions as an endopeptidase and may activate MASP2 or C2 or directly activate C3 the key component of complement reaction. Isoform 2 may have an inhibitory effect on the activation of the lectin pathway of complement or may cleave IGFBP5.

Gene Wiki entry for MASP1 Gene

No data available for Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for MASP1 Gene

Genomics for MASP1 Gene

Genomic Location for MASP1 Gene

Start:
187,216,085 bp from pter
End:
187,292,022 bp from pter
Size:
75,938 bases
Orientation:
Minus strand

Genomic View for MASP1 Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for MASP1 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for MASP1 Gene

Regulatory Elements for MASP1 Gene

Proteins for MASP1 Gene

  • Protein details for MASP1 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    P48740-MASP1_HUMAN
    Recommended name:
    Mannan-binding lectin serine protease 1
    Protein Accession:
    P48740
    Secondary Accessions:
    • A8K542
    • A8K6M1
    • B4E2L7
    • O95570
    • Q68D21
    • Q8IUV8
    • Q96RS4
    • Q9UF09

    Protein attributes for MASP1 Gene

    Size:
    699 amino acids
    Molecular mass:
    79247 Da
    Quaternary structure:
    • Homodimer. Interacts with the oligomeric lectins MBL2, FCN2 and FCN3; triggers the lectin pathway of complement through activation of C3. Interacts with SERPING1.
    SequenceCaution:
    • Sequence=AAH39724.1; Type=Erroneous initiation; Note=Translation N-terminally shortened.; Evidence={ECO:0000305};

    Three dimensional structures from OCA and Proteopedia for MASP1 Gene

    Alternative splice isoforms for MASP1 Gene

    UniProtKB/Swiss-Prot:

neXtProt entry for MASP1 Gene

Proteomics data for MASP1 Gene at MOPED

Selected DME Specific Peptides for MASP1 Gene

Post-translational modifications for MASP1 Gene

  • Autoproteolytic processing of the proenzyme produces the active enzyme composed on the heavy and the light chain held together by a disulfide bond. Isoform 1 but not isoform 2 is activated through autoproteolytic processing.
  • N-glycosylated. Some N-linked glycan are of the complex-type (By similarity).
  • The iron and 2-oxoglutarate dependent 3-hydroxylation of aspartate and asparagine is (R) stereospecific within EGF domains.
  • Modification sites at PhosphoSitePlus
  • Glycosylation at Asn49, Asn178, Asn385, and Asn407

Other Protein References for MASP1 Gene

Domains for MASP1 Gene

Gene Families for MASP1 Gene

HGNC:
  • PRSS :Serine peptidases / Serine peptidases

UniProtKB/Swiss-Prot:

MASP1_HUMAN
Domain:
  • Contains 2 CUB domains.:
    • P48740
  • Contains 1 EGF-like domain.:
    • P48740
  • Contains 1 peptidase S1 domain.:
    • P48740
  • Contains 2 Sushi (CCP/SCR) domains.:
    • P48740
Family:
  • Belongs to the peptidase S1 family.:
    • P48740
genes like me logo Genes that share domains with MASP1: view

Function for MASP1 Gene

Molecular function for MASP1 Gene

GENATLAS Biochemistry: mannan-binding lectin serine protease 1,complexing with MBL2,MASP2 and Map19,a spliced isoforms of MASP2 to form the antibody independent activator of the classical pathway of complement
UniProtKB/Swiss-Prot BiophysicochemicalProperties: Kinetic parameters: KM=0.10 mM for Ac-Gly-Lys-OMe (at 30 degrees Celsius) {ECO:0000269 PubMed:11527969, ECO:0000269 PubMed:12538697}; KM=310 uM for Bz-Arg-OEt (at 30 degrees Celsius) {ECO:0000269 PubMed:11527969, ECO:0000269 PubMed:12538697}; KM=4.8 uM for C2 (at 37 degrees Celsius) {ECO:0000269 PubMed:11527969, ECO:0000269 PubMed:12538697};
UniProtKB/Swiss-Prot EnzymeRegulation: Inhibited by SERPING1 and A2M.
UniProtKB/Swiss-Prot Function: Functions in the lectin pathway of complement, which performs a key role in innate immunity by recognizing pathogens through patterns of sugar moieties and neutralizing them. The lectin pathway is triggered upon binding of mannan-binding lectin (MBL) and ficolins to sugar moieties which leads to activation of the associated proteases MASP1 and MASP2. Functions as an endopeptidase and may activate MASP2 or C2 or directly activate C3 the key component of complement reaction. Isoform 2 may have an inhibitory effect on the activation of the lectin pathway of complement or may cleave IGFBP5.

Enzyme Numbers (IUBMB) for MASP1 Gene

Gene Ontology (GO) - Molecular Function for MASP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003824 catalytic activity --
GO:0004252 serine-type endopeptidase activity IDA 11527969
GO:0005509 calcium ion binding IDA 18596036
GO:0005515 protein binding IPI 10946292
GO:0008233 peptidase activity IDA 10946292
genes like me logo Genes that share ontologies with MASP1: view

Phenotypes for MASP1 Gene

genes like me logo Genes that share phenotypes with MASP1: view

Animal Models for MASP1 Gene

MGI Knock Outs for MASP1:

No data available for miRNA , Transcription Factor Targeting and HOMER Transcription for MASP1 Gene

Localization for MASP1 Gene

Subcellular locations from UniProtKB/Swiss-Prot for MASP1 Gene

Secreted.

Subcellular locations from

COMPARTMENTS
Jensen Localization Image for MASP1 Gene COMPARTMENTS Subcellular localization image for MASP1 gene
Compartment Confidence
extracellular 5
cytosol 1
lysosome 1
mitochondrion 1
nucleus 1

Gene Ontology (GO) - Cellular Components for MASP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005576 extracellular region TAS --
GO:0005615 extracellular space IDA 11485744
genes like me logo Genes that share ontologies with MASP1: view

Pathways for MASP1 Gene

genes like me logo Genes that share pathways with MASP1: view

Pathways by source for MASP1 Gene

Gene Ontology (GO) - Biological Process for MASP1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0001867 complement activation, lectin pathway TAS --
GO:0006508 proteolysis IEA --
GO:0006898 receptor-mediated endocytosis TAS --
GO:0006956 complement activation TAS --
GO:0045087 innate immune response TAS --
genes like me logo Genes that share ontologies with MASP1: view

Compounds for MASP1 Gene

(9) Novoseek inferred chemical compound relationships for MASP1 Gene

Compound -log(P) Hits PubMed IDs
serine 80.5 76
mannan 69.6 5
n-acetylglucosamine 63.3 1
mannose 54 3
carbohydrates 40.7 3
genes like me logo Genes that share compounds with MASP1: view

Transcripts for MASP1 Gene

Unigene Clusters for MASP1 Gene

Mannan-binding lectin serine peptidase 1 (C4/C2 activating component of Ra-reactive factor):
Representative Sequences:

Alternative Splicing Database (ASD) splice patterns (SP) for MASP1 Gene

ExUns: 1a · 1b · 1c · 1d ^ 2 ^ 3a · 3b ^ 4 ^ 5 ^ 6a · 6b ^ 7 ^ 8 ^ 9 ^ 10 ^ 11 ^ 12 ^ 13a · 13b · 13c ^ 14 ^ 15 ^ 16 ^ 17 ^ 18 ^ 19
SP1: - - - - -
SP2: - -
SP3: -
SP4:
SP5: - -
SP6: - - - - - - - - - - - - - -

Relevant External Links for MASP1 Gene

GeneLoc Exon Structure for
MASP1
ECgene alternative splicing isoforms for
MASP1

Expression for MASP1 Gene

mRNA expression in normal human tissues for MASP1 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for MASP1 Gene

This gene is overexpressed in Cervix - Ectocervix (7.5), Liver (6.3), Cervix - Endocervix (5.6), Uterus (5.0), and Vagina (4.4).

Integrated Proteomics: protein expression from ProteomicsDB, PaxDb, and MOPED for MASP1 Gene

SOURCE GeneReport for Unigene cluster for MASP1 Gene Hs.89983

mRNA Expression by UniProt/SwissProt for MASP1 Gene

P48740-MASP1_HUMAN
Tissue specificity: Protein of the plasma which is primarily expressed by liver.
genes like me logo Genes that share expressions with MASP1: view

Orthologs for MASP1 Gene

This gene was present in the common ancestor of animals.

Orthologs for MASP1 Gene

Organism Taxonomy Gene Similarity Type Details
chimpanzee
(Pan troglodytes)
Mammalia MASP1 37
  • 99 (a)
OneToOne
cow
(Bos Taurus)
Mammalia MASP1 36
  • 88.92 (n)
  • 91.21 (a)
MASP1 37
  • 91 (a)
OneToOne
dog
(Canis familiaris)
Mammalia MASP1 36
  • 90.29 (n)
  • 91.62 (a)
MASP1 37
  • 87 (a)
OneToOne
mouse
(Mus musculus)
Mammalia Masp1 16
Masp1 37
  • 68 (a)
OneToOne
oppossum
(Monodelphis domestica)
Mammalia MASP1 37
  • 81 (a)
OneToOne
platypus
(Ornithorhynchus anatinus)
Mammalia MASP1 37
  • 63 (a)
OneToOne
chicken
(Gallus gallus)
Aves MASP1 36
  • 74.47 (n)
  • 75.9 (a)
MASP1 37
  • 75 (a)
OneToOne
lizard
(Anolis carolinensis)
Reptilia MASP1 37
  • 57 (a)
OneToOne
tropical clawed frog
(Silurana tropicalis)
Amphibia masp1 36
  • 68.02 (n)
  • 70.97 (a)
zebrafish
(Danio rerio)
Actinopterygii masp1 36
  • 61.25 (n)
  • 57.91 (a)
masp1 37
  • 54 (a)
OneToOne
fruit fly
(Drosophila melanogaster)
Insecta CG8172 38
  • 31 (a)
sea squirt
(Ciona savignyi)
Ascidiacea -- 37
  • 29 (a)
ManyToMany
-- 37
  • 33 (a)
ManyToMany
-- 37
  • 34 (a)
ManyToMany
-- 37
  • 27 (a)
ManyToMany
CSA.10613 37
  • 21 (a)
ManyToMany
Species with no ortholog for MASP1:
  • 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)
  • rainbow trout (Oncorhynchus mykiss)
  • rat (Rattus norvegicus)
  • 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)
  • worm (Caenorhabditis elegans)

Evolution for MASP1 Gene

ENSEMBL:
Gene Tree for MASP1 (if available)
TreeFam:
Gene Tree for MASP1 (if available)

Paralogs for MASP1 Gene

Paralogs for MASP1 Gene

Pseudogenes.org Pseudogenes for MASP1 Gene

genes like me logo Genes that share paralogs with MASP1: view

Variants for MASP1 Gene

Sequence variations from dbSNP and Humsavar for MASP1 Gene

SNP ID Clin Chr 03 pos Sequence Context AA Info Type MAF
rs17040 -- 187,219,780(-) ggaaa(C/T)gctat utr-variant-3-prime
rs696403 -- 187,278,524(-) AGAGT(C/T)GTAAG intron-variant
rs696404 -- 187,237,330(-) AAGCT(C/T)CTGCT intron-variant
rs696405 -- 187,238,435(-) TGTTG(A/C)ATCAT intron-variant
rs696406 -- 187,238,478(-) GCCAA(A/T)AAGAA intron-variant

Structural Variations from Database of Genomic Variants (DGV) for MASP1 Gene

Variant ID Type Subtype PubMed ID
nsv508264 CNV Loss 20534489
esv23875 CNV Gain 19812545
nsv878074 CNV Gain 21882294
esv269708 CNV Insertion 20981092
esv272237 CNV Insertion 20981092

Relevant External Links for MASP1 Gene

HapMap Linkage Disequilibrium report
MASP1
Human Gene Mutation Database (HGMD)
MASP1

Disorders for MASP1 Gene

(1) OMIM Diseases for MASP1 Gene (600521)

UniProtKB/Swiss-Prot

MASP1_HUMAN
  • 3MC syndrome 1 (3MC1) [MIM:257920]: A disorder characterized by facial dysmorphism that includes hypertelorism, blepharophimosis, blepharoptosis and highly arched eyebrows, cleft lip and/or palate, craniosynostosis, learning disability and genital, limb and vesicorenal anomalies. The term 3MC syndrome includes Carnevale, Mingarelli, Malpuech, and Michels syndromes. {ECO:0000269 PubMed:21258343}. Note=The disease is caused by mutations affecting the gene represented in this entry.

(4) Novoseek inferred disease relationships for MASP1 Gene

Disease -log(P) Hits PubMed IDs
nephropathy iga 51.1 1
glomerulonephritis 10.2 1
lupus erythematosus systemic 0 1
immunodeficiency 0 1

Relevant External Links for MASP1

Genetic Association Database (GAD)
MASP1
Human Genome Epidemiology (HuGE) Navigator
MASP1
genes like me logo Genes that share disorders with MASP1: view

Publications for MASP1 Gene

  1. Molecular characterization of a novel serine protease involved in activation of the complement system by mannose-binding protein. (PMID: 8018603) Sato T. … Fujita T. (Int. Immunol. 1994) 2 3 4 23
  2. A new member of the C1s family of complement proteins found in a bactericidal factor, Ra-reactive factor, in human serum. (PMID: 8240317) Takada F. … Kawakami M. (Biochem. Biophys. Res. Commun. 1993) 2 3 4 23
  3. Exon structure of the gene encoding the human mannose-binding protein-associated serine protease light chain: comparison with complement C1r and C1s genes. (PMID: 8921412) Endo Y. … Fujita T. (Int. Immunol. 1996) 3 4 23
  4. Gene structure of the P100 serine-protease component of the human Ra- reactive factor. (PMID: 10475605) Takayama Y. … Matsu-ura N. (Mol. Immunol. 1999) 3 4 23
  5. Complement-activating complex of ficolin and mannose-binding lectin- associated serine protease. (PMID: 10679061) Matsushita M. … Fujita T. (J. Immunol. 2000) 3 4 23

Products for MASP1 Gene

Sources for MASP1 Gene

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