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MBL associated serine protease 1

Summary

Gene Symbol

MASP1

Aliases

C4/C2 activating component of Ra-reactive factor
MAP-1
MASP
MASP-3
Map44
mannose-binding lectin-associated serine protease 1

Organism

Homo sapiens (human)

External Links

NCBI Gene

5648

HGNC

6901

KEGG Gene ID

hsa:5648

PubChem

5648

Alliance of Genome Resources

HGNC:6901

Annotation

Keyword

3D-structure
Alternative splicing
Autocatalytic cleavage
Calcium
Complement activation lectin pathway
Direct protein sequencing
Disease variant
Disulfide bond
EGF-like domain
Glycoprotein
Hydroxylation
Metal-binding
Reference proteome
Repeat
Secreted
Serine protease
Signal
Sushi

Proteins

Displaying 1 entry
UniProt	Protein Name
P48740	Complement factor MASP-3 Complement-activating component of Ra-reactive factor Mannose-binding lectin-associated serine protease 1 Mannose-binding protein-associated serine protease Ra-reactive factor serine protease p100 Serine protease 5

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	PMID
complement activation, lectin pathway	IBA IMP	17182967
zymogen activation	IBA
negative regulation of complement activation	IDA	11485744

GO Hierarchy

biological process

immune system process [inference]

immune effector process [inference]

complement activation [inference]

complement activation, lectin pathway

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

immune response [inference]

humoral immune response [inference]

complement activation [inference]

complement activation, lectin pathway

innate immune response [inference]

complement activation, lectin pathway

metabolic process [inference]

nitrogen compound metabolic process [inference]

organonitrogen compound metabolic process [inference]

protein metabolic process [inference]

proteolysis [inference]

protein processing [inference]

zymogen activation

protein maturation [inference]

protein processing [inference]

zymogen activation

primary metabolic process [inference]

protein metabolic process [inference]

proteolysis [inference]

protein processing [inference]

zymogen activation

protein maturation [inference]

protein processing [inference]

zymogen activation

organic substance metabolic process [inference]

macromolecule metabolic process [inference]

protein metabolic process [inference]

proteolysis [inference]

protein processing [inference]

zymogen activation

protein maturation [inference]

protein processing [inference]

zymogen activation

organonitrogen compound metabolic process [inference]

protein metabolic process [inference]

proteolysis [inference]

protein processing [inference]

zymogen activation

protein maturation [inference]

protein processing [inference]

zymogen activation

biological process involved in interspecies interaction between organisms [inference]

response to other organism [inference]

defense response to other organism [inference]

innate immune response [inference]

complement activation, lectin pathway

response to stimulus [inference]

response to stress [inference]

defense response [inference]

defense response to other organism [inference]

innate immune response [inference]

complement activation, lectin pathway

immune response [inference]

humoral immune response [inference]

complement activation [inference]

complement activation, lectin pathway

innate immune response [inference]

complement activation, lectin pathway

response to external stimulus [inference]

response to external biotic stimulus [inference]

response to other organism [inference]

defense response to other organism [inference]

innate immune response [inference]

complement activation, lectin pathway

response to biotic stimulus [inference]

response to external biotic stimulus [inference]

response to other organism [inference]

defense response to other organism [inference]

innate immune response [inference]

complement activation, lectin pathway

biological regulation [inference]

regulation of biological process [inference]

regulation of immune system process [inference]

negative regulation of immune system process [inference]

negative regulation of immune effector process [inference]

negative regulation of complement activation

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

regulation of immune effector process [inference]

negative regulation of immune effector process [inference]

negative regulation of complement activation

regulation of complement activation [inference]

negative regulation of complement activation

regulation of immune response [inference]

regulation of humoral immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

regulation of complement activation [inference]

negative regulation of complement activation

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

positive regulation of biological process [inference]

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

negative regulation of biological process [inference]

negative regulation of immune system process [inference]

negative regulation of immune effector process [inference]

negative regulation of complement activation

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

negative regulation of response to stimulus [inference]

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

regulation of response to stimulus [inference]

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

negative regulation of response to stimulus [inference]

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

regulation of immune response [inference]

regulation of humoral immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

regulation of complement activation [inference]

negative regulation of complement activation

negative regulation of immune response [inference]

negative regulation of humoral immune response [inference]

negative regulation of complement activation

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, lectin pathway

Displaying **all 4** entries
GO Term	Evidence Code	PMID
extracellular space	IBA IDA	11485744
extracellular region	TAS
nucleoplasm	IDA
cytosol	IDA

GO Hierarchy

cellular component

cellular anatomical entity [inference]

Displaying entries **1 - 5** of 7 in total

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GO Term	Evidence Code	PMID
peptidase activity	IDA	10946292 12538697
calcium ion binding	IDA	18596036
protein binding	IPI	10946292 11290788 11485744 11907111 18177377 19939495 20956340 21035894 22607836 22854970 23785123 23861840 24174618 25579818 27104295 32041782
identical protein binding	IPI	22854970 23785123
serine-type endopeptidase activity	IBA IDA	11527969

GO Hierarchy

molecular function

catalytic activity [inference]

hydrolase activity [inference]

peptidase activity

endopeptidase activity [inference]

serine-type endopeptidase activity

serine-type peptidase activity [inference]

serine-type endopeptidase activity

serine hydrolase activity [inference]

serine-type peptidase activity [inference]

serine-type endopeptidase activity

catalytic activity, acting on a protein [inference]

peptidase activity

endopeptidase activity [inference]

serine-type endopeptidase activity

serine-type peptidase activity [inference]

serine-type endopeptidase activity

binding [inference]

protein binding

identical protein binding

protein homodimerization activity

protein dimerization activity [inference]

protein homodimerization activity

calcium-dependent protein binding

ion binding [inference]

cation binding [inference]

metal ion binding [inference]

calcium ion binding

Gene Ontology information from NCBI Gene and UniProt.

Disease

The Human Phenotype Ontology

Displaying entries **11 - 20** of 58 in total

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HPO ID	HPO Term
HP:0000377	Abnormal pinna morphology
HP:0000405	Conductive hearing impairment
HP:0000494	Downslanted palpebral fissures
HP:0000496	Abnormality of eye movement
HP:0000501	Glaucoma
HP:0000506	Telecanthus
HP:0000508	Ptosis
HP:0000524	Conjunctival telangiectasia
HP:0000537	Epicanthus inversus
HP:0000581	Blepharophimosis