1P0S

Crystal Structure of Blood Coagulation Factor Xa in Complex with Ecotin M84R

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth E]	d1p0se_	All beta proteins	Ecotin, trypsin inhibitor	Ecotin, trypsin inhibitor	Ecotin, trypsin inhibitor	Ecotin, trypsin inhibitor	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A [auth L]	d1p0sl1	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 L]	d1p0sl2	Small proteins	GLA-domain	GLA-domain	GLA-domain	Coagulation factor X	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth H]	d1p0sh_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Eukaryotic proteases	Coagulation factor Xa, protease domain	(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)
C [auth E]	SCOP2B Superfamily	Ecotin trypsin inhibitor	8041127	3001256	SCOP2B (2022-06-29)
A [auth L]	SCOP2 Family	GLA-domain	8025681	4003544	SCOP2 (2022-06-29)
A [auth L]	SCOP2 Superfamily	GLA-domain	8038060	3001028	SCOP2 (2022-06-29)
A [auth L]	SCOP2B Superfamily	EGF/Laminin-like	8035338	3000412	SCOP2B (2022-06-29)
B [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)
C [auth E]	Ecotin	e1p0sE1	A: beta sandwiches	X: Ecotin, trypsin inhibitor (From Topology)	H: Ecotin, trypsin inhibitor (From Topology)	T: Ecotin, trypsin inhibitor	F: Ecotin	ECOD (1.6)
A [auth L]	FXa_inhibition	e1p0sL1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: FXa_inhibition	ECOD (1.6)
A [auth L]	Gla_1	e1p0sL2	A: few secondary structure elements	X: GLA-domain (From Topology)	H: GLA-domain (From Topology)	T: GLA-domain	F: Gla_1	ECOD (1.6)
B [auth H]	Trypsin	e1p0sH1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth E]	2.60.40.550	Mainly Beta	Sandwich	Immunoglobulin-like	Ecotin	CATH (4.3.0)
A [auth L]	4.10.740.10	Few Secondary Structures	Irregular	Coagulation Factor IX	Coagulation Factor IX	CATH (4.3.0)
A [auth L]	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)
B [auth H]	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth E]	PF03974	Ecotin (Ecotin)	Ecotin	-	Family
A [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 L]	PF00594	Vitamin K-dependent carboxylation/gamma-carboxyglutamic (GLA) domain (Gla)	Vitamin K-dependent carboxylation/gamma-carboxyglutamic (GLA) domain	This domain is responsible for the high-affinity binding of calcium ions. This domain contains post-translational modifications of many glutamate residues by Vitamin K-dependent carboxylation to form gamma-carboxyglutamate (Gla).	Domain
B [auth H]	PF00089	Trypsin (Trypsin)	Trypsin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth E]	Ecotin precursor	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 identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	-	outer membrane-bounded periplasmic space cell envelope periplasmic space cellular anatomical entity
A [auth L]	Coagulation factor X precursor	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 organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery cell surface membrane plasma membrane cellular anatomical entity 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 cell surface membrane plasma membrane cellular anatomical entity 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
B [auth H]	Coagulation factor X precursor	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 organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery cell surface membrane plasma membrane cellular anatomical entity 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 cell surface membrane plasma membrane cellular anatomical entity 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth E]	IPR005658	Proteinase inhibitor I11, ecotin	Family
C [auth E]	IPR036198	Ecotin superfamily	Homologous Superfamily
C [auth E]	IPR023084	Proteinase inhibitor I11, ecotin, gammaproteobacteria	Family
C [auth E]	IPR027438	Ecotin, C-terminal	Homologous Superfamily
A [auth L]	IPR000294	Gamma-carboxyglutamic acid-rich (GLA) domain	Domain
A [auth L]	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
A [auth L]	IPR000742	EGF-like domain	Domain
A [auth L]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A [auth L]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A [auth L]	IPR017857	Coagulation factor-like, Gla domain superfamily	Homologous Superfamily
A [auth L]	IPR001314	Peptidase S1A, chymotrypsin family	Family
A [auth L]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
A [auth L]	IPR001254	Serine proteases, trypsin domain	Domain
A [auth L]	IPR035972	Gamma-carboxyglutamic acid-rich (GLA) domain superfamily	Homologous Superfamily
A [auth L]	IPR001881	EGF-like calcium-binding domain	Domain
A [auth L]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
A [auth L]	IPR000152	EGF-type aspartate/asparagine hydroxylation site	PTM
A [auth L]	IPR012224	Peptidase S1A, coagulation factor VII/IX/X/C/Z	Family
B [auth H]	IPR000294	Gamma-carboxyglutamic acid-rich (GLA) domain	Domain
B [auth H]	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
B [auth H]	IPR000742	EGF-like domain	Domain
B [auth H]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
B [auth H]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
B [auth H]	IPR017857	Coagulation factor-like, Gla domain superfamily	Homologous Superfamily
B [auth H]	IPR001314	Peptidase S1A, chymotrypsin family	Family
B [auth H]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
B [auth H]	IPR001254	Serine proteases, trypsin domain	Domain
B [auth H]	IPR035972	Gamma-carboxyglutamic acid-rich (GLA) domain superfamily	Homologous Superfamily
B [auth H]	IPR001881	EGF-like calcium-binding domain	Domain
B [auth H]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
B [auth H]	IPR000152	EGF-type aspartate/asparagine hydroxylation site	PTM
B [auth H]	IPR012224	Peptidase S1A, coagulation factor VII/IX/X/C/Z	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [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
B [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