Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
5648
Gene name Gene Name - the full gene name approved by the HGNC.
MBL associated serine protease 1
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
MASP1
Synonyms (NCBI Gene) Gene synonyms aliases
3MC1, CRARF, CRARF1, MAP-1, MAP1, MASP, MASP-3, MASP3, MAp44, PRSS5, RaRF
Chromosome Chromosome number
3
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
3q27.3
Summary Summary of gene provided in NCBI Entrez 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 an
SNPs SNP information provided by dbSNP.
SNP ID Visualize variation Clinical significance Consequence
rs34207306 G>A Conflicting-interpretations-of-pathogenicity Genic downstream transcript variant, synonymous variant, non coding transcript variant, coding sequence variant
rs139497497 C>T Conflicting-interpretations-of-pathogenicity Intron variant, non coding transcript variant, coding sequence variant, synonymous variant, genic downstream transcript variant
rs141985299 A>G Conflicting-interpretations-of-pathogenicity Coding sequence variant, synonymous variant, non coding transcript variant, genic downstream transcript variant
rs377074720 G>A Likely-pathogenic Genic downstream transcript variant, intron variant, coding sequence variant, non coding transcript variant, stop gained
rs387906752 G>A Pathogenic Genic downstream transcript variant, intron variant, missense variant, coding sequence variant, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
miRTarBase ID miRNA Experiments Reference
MIRT054870 hsa-miR-125a-5p qRT-PCR 24675842
MIRT1132968 hsa-miR-103a CLIP-seq
MIRT1132969 hsa-miR-107 CLIP-seq
MIRT1132970 hsa-miR-1252 CLIP-seq
MIRT1132971 hsa-miR-1260 CLIP-seq
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001867 Process Complement activation, lectin pathway IBA
GO:0001867 Process Complement activation, lectin pathway IDA 18204047, 22691502
GO:0001867 Process Complement activation, lectin pathway IDA 9087411, 22511776, 22691502, 22854970, 22966085, 23386610
GO:0001867 Process Complement activation, lectin pathway IEA
GO:0001867 Process Complement activation, lectin pathway IMP 17182967
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
600521 6901 ENSG00000127241
Protein
UniProt ID P48740
Protein name Mannan-binding lectin serine protease 1 (EC 3.4.21.-) (Complement factor MASP-3) (Complement-activating component of Ra-reactive factor) (Mannose-binding lectin-associated serine protease 1) (MASP-1) (Mannose-binding protein-associated serine protease) (R
Protein 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
PDB 3DEM , 3GOV , 4AQB , 4DJZ , 4IGD , 4IW4 , 4KKD , 7PQO
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00431 CUB 20 135 CUB domain Domain
PF00431 CUB 185 294 CUB domain Domain
PF00084 Sushi 301 362 Sushi repeat (SCR repeat) Domain
PF00084 Sushi 367 432 Sushi repeat (SCR repeat) Domain
PF00089 Trypsin 449 691 Trypsin Domain
Tissue specificity TISSUE SPECIFICITY: Protein of the plasma which is primarily expressed by liver. {ECO:0000269|PubMed:11485744, ECO:0000269|PubMed:8018603, ECO:0000269|PubMed:8240317, ECO:0000269|PubMed:9367419}.
Sequence
Sequence length 699
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG   Reactome
  Complement and coagulation cascades
Staphylococcus aureus infection
Coronavirus disease - COVID-19
  Lectin pathway of complement activation
Initial triggering of complement
Ficolins bind to repetitive carbohydrate structures on the target cell surface
Scavenging by Class A Receptors
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Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
3MC syndrome 3MC syndrome 1 rs387906754, rs533236263, rs763360042, rs1560255926, rs1579537069, rs387906752, rs387906753 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Diabetes Type 2 diabetes N/A N/A GWAS
Hypertrophic cardiomyopathy hypertrophic cardiomyopathy N/A N/A ClinVar
Microcephaly microcephaly N/A N/A ClinVar
Oligodendroglioma Oligodendroglioma N/A N/A GWAS
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Angioedemas Hereditary Associate 18250972
Behcet Syndrome Associate 37264476
Blindness Associate 27605007
Brain Diseases Associate 26419238
Carcinoma Hepatocellular Associate 38115320
Carcinoma Squamous Cell Associate 19607727
Carnevale syndrome Associate 21035106
Central Nervous System Vascular Malformations Associate 26419238
Cleft Palate Associate 23792966
Complement Component 3 Deficiency Autosomal Recessive Associate 23841802