Annotations: 2P3F

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d2p3fl_	Small proteins	Knottins (small inhibitors, toxins, lectins)	EGF/Laminin	EGF-type module	Factor X, N-terminal module	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth H]	d2p3fh_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Eukaryotic proteases	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth L]	SCOP2B Superfamily	EGF/Laminin-like	8035338	3000412	SCOP2B (2022-06-29)
A [auth H]	SCOP2B Superfamily	Trypsin-like serine proteases	8035341	3000114	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	FXa_inhibition	e2p3fL1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: FXa_inhibition	ECOD (1.6)
A [auth H]	Trypsin	e2p3fH1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (1.6)
C [auth N]	TIL	e2p3fN1	A: few secondary structure elements	X: EGF-like	H: Serine protease inhibitors (From Topology)	T: Serine protease inhibitors	F: TIL	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)
A [auth H]	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
C [auth N]	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth L]	PF14670	Coagulation Factor Xa inhibitory site (FXa_inhibition)	Coagulation Factor Xa inhibitory site	This short domain on coagulation enzyme factor Xa is found to be the target for a potent inhibitor of coagulation, TAK-442 [1].	Domain
A [auth H]	PF00089	Trypsin (Trypsin)	Trypsin	-	Domain
C [auth N]	PF01826	Trypsin Inhibitor like cysteine rich domain (TIL)	Trypsin Inhibitor like cysteine rich domain	This family contains trypsin inhibitors as well as a domain found in many extracellular proteins. The domain typically contains ten cysteine residues that form five disulphide bonds. The cysteine residues that form the disulphide bonds are 1-7, 2-6, ...	This family contains trypsin inhibitors as well as a domain found in many extracellular proteins. The domain typically contains ten cysteine residues that form five disulphide bonds. The cysteine residues that form the disulphide bonds are 1-7, 2-6, 3-5, 4-10 and 8-9.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth L]	Coagulation factor X	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic 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 serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity phospholipid binding lipid binding	multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cellular response to stimulus positive regulation of cell communication regulation of cellular process multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling signal transduction positive regulation of cellular process TOR signaling regulation of biological process regulation of signaling regulation of TOR signaling positive regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process positive regulation of signaling positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle organelle lumen organelle cytoplasm endoplasmic reticulum lumen endoplasmic reticulum extracellular region extracellular space
A [auth H]	Coagulation factor X	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic 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 serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity phospholipid binding lipid binding	multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cellular response to stimulus positive regulation of cell communication regulation of cellular process multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling signal transduction positive regulation of cellular process TOR signaling regulation of biological process regulation of signaling regulation of TOR signaling positive regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process positive regulation of signaling positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle organelle lumen organelle cytoplasm endoplasmic reticulum lumen endoplasmic reticulum extracellular region extracellular space
C [auth N]	Anti-coagulant protein 5	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	negative regulation of hydrolase activity negative regulation of proteolysis regulation of cellular process regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of hydrolase activity negative regulation of proteolysis regulation of cellular process regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biological process regulation of protein metabolic process negative regulation of metabolic process biological regulation negative regulation of molecular function regulation of peptidase activity primary metabolic process regulation of macromolecule metabolic process regulation of molecular function regulation of hydrolase activity metabolic process cellular process macromolecule metabolic process regulation of metabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth L]	IPR000294	Gamma-carboxyglutamic acid-rich (GLA) domain	Domain
B [auth L]	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
B [auth L]	IPR000742	EGF-like domain	Domain
B [auth L]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
B [auth L]	IPR050442	Peptidase S1 family, coagulation factors	Family
B [auth L]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
B [auth L]	IPR017857	Coagulation factor-like, Gla domain superfamily	Homologous Superfamily
B [auth L]	IPR001314	Peptidase S1A, chymotrypsin family	Family
B [auth L]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
B [auth L]	IPR001254	Serine proteases, trypsin domain	Domain
B [auth L]	IPR035972	Gamma-carboxyglutamic acid-rich (GLA) domain superfamily	Homologous Superfamily
B [auth L]	IPR001881	EGF-like calcium-binding domain	Domain
B [auth L]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
B [auth L]	IPR000152	EGF-type aspartate/asparagine hydroxylation site	PTM
B [auth L]	IPR012224	Peptidase S1A, coagulation factor VII/IX/X/C/Z	Family
A [auth H]	IPR000294	Gamma-carboxyglutamic acid-rich (GLA) domain	Domain
A [auth H]	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
A [auth H]	IPR000742	EGF-like domain	Domain
A [auth H]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A [auth H]	IPR050442	Peptidase S1 family, coagulation factors	Family
A [auth H]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A [auth H]	IPR017857	Coagulation factor-like, Gla domain superfamily	Homologous Superfamily
A [auth H]	IPR001314	Peptidase S1A, chymotrypsin family	Family
A [auth H]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
A [auth H]	IPR001254	Serine proteases, trypsin domain	Domain
A [auth H]	IPR035972	Gamma-carboxyglutamic acid-rich (GLA) domain superfamily	Homologous Superfamily
A [auth H]	IPR001881	EGF-like calcium-binding domain	Domain
A [auth H]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
A [auth H]	IPR000152	EGF-type aspartate/asparagine hydroxylation site	PTM
A [auth H]	IPR012224	Peptidase S1A, coagulation factor VII/IX/X/C/Z	Family
C [auth N]	IPR051368	Serine Protease Inhibitor-like TIL Domain	Family
C [auth N]	IPR036084	Serine protease inhibitor-like superfamily	Homologous Superfamily
C [auth N]	IPR002919	Trypsin Inhibitor-like, cysteine rich domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth L]	Pharos: P00742	congenital factor X deficiency atrial fibrillation factor X deficiency thrombotic disease Prevention of deep vein thrombosis pulmonary embolism blood coagulation disease pancreatic ductal adenocarcinoma lung adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast fibroadenoma ductal breast carcinoma in situ invasive ductal breast carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia
A [auth H]	Pharos: P00742	congenital factor X deficiency atrial fibrillation factor X deficiency thrombotic disease Prevention of deep vein thrombosis pulmonary embolism blood coagulation disease pancreatic ductal adenocarcinoma lung adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast fibroadenoma ductal breast carcinoma in situ invasive ductal breast carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia