3POI | pdb_00003poi

Crystal structure of MASP-1 CUB2 domain bound to Methylamine

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	FeoB_Cyto	e3poiB1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: FeoB_Cyto	ECOD (v295.2)
A	FeoB_Cyto	e3poiA1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: FeoB_Cyto	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.120.290	Mainly Beta	Sandwich	Jelly Rolls	Spermadhesin, CUB domain	CATH (4.3.0)
A	2.60.120.290	Mainly Beta	Sandwich	Jelly Rolls	Spermadhesin, CUB domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00431	CUB domain (CUB)	CUB domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Mannan-binding lectin serine protease 1	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity endopeptidase activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity endopeptidase activity identical protein binding protein binding protein homodimerization activity protein dimerization activity calcium-dependent protein binding	cellular response to stimulus positive regulation of response to biotic stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus pattern recognition receptor signaling pathway response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway cellular response to stimulus positive regulation of response to biotic stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus pattern recognition receptor signaling pathway response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway regulation of biological process immune response response to other organism immune response-activating cell surface receptor signaling pathway regulation of innate immune response response to external stimulus regulation of response to stimulus defense response to other organism positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus signaling positive regulation of biological process innate immune response activating cell surface receptor signaling pathway positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of response to stress response to stress innate immune response response to external biotic stimulus cell surface pattern recognition receptor signaling pathway positive regulation of innate immune response cell surface receptor signaling pathway defense response biological regulation defense response to symbiont immune system process cellular process humoral immune response complement activation complement activation, lectin pathway immune effector process regulation of humoral immune response regulation of immune effector process negative regulation of biological process negative regulation of complement activation negative regulation of response to stimulus negative regulation of immune response negative regulation of immune effector process negative regulation of humoral immune response negative regulation of immune system process regulation of complement activation biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation import into cell regulation of localization positive regulation of cellular component organization regulation of cellular component organization transport cellular component organization opsonization localization positive regulation of endocytosis positive regulation of immune effector process phagocytosis cell recognition cellular component organization or biogenesis positive regulation of cellular process regulation of endocytosis regulation of transport regulation of phagocytosis establishment of localization positive regulation of opsonization regulation of opsonization phagocytosis, recognition positive regulation of phagocytosis positive regulation of transport endocytosis complement activation, alternative pathway proteolysis zymogen activation protein processing	cell surface cellular anatomical structure intracellular anatomical structure cytoplasm cytosol other organism part symbiont cell surface membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm cell surface cellular anatomical structure intracellular anatomical structure cytoplasm cytosol other organism part symbiont cell surface membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-containing complex catalytic complex peptidase complex endopeptidase complex serine-type endopeptidase complex serine-type peptidase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR049883	NOTCH1, EGF-like calcium-binding domain	Domain
A, B	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
A, B	IPR035914	Spermadhesin, CUB domain superfamily	Homologous Superfamily
A, B	IPR018114	Serine protease-like, trypsin family, histidine active site	Active Site
A, B	IPR000436	Sushi/SCR/CCP domain	Domain
A, B	IPR000859	CUB domain	Domain
A, B	IPR000742	EGF-like domain	Domain
A, B	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
A, B	IPR035976	Sushi/SCR/CCP superfamily	Homologous Superfamily
A, B	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B	IPR001314	Peptidase S1A, chymotrypsin family	Family
A, B	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
A, B	IPR001254	Serine proteases, trypsin domain	Domain
A, B	IPR001881	EGF-like calcium-binding domain	Domain
A, B	IPR024175	Peptidase S1A, complement C1r/C1S/mannan-binding	Family

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.