Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
B [auth H]SCOP2B SuperfamilyTrypsin-like serine proteases 8042263 3000114 SCOP2B (2022-06-29)
C [auth I]SCOP2B SuperfamilySerpins 8037674 3001563 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]FXa_inhibitione3kcgL1 A: few secondary structure elementsX: EGF-likeH: EGF-relatedT: EGF/LamininF: FXa_inhibitionECOD (1.6)
B [auth H]Trypsin_1e3kcgH1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: FMN-binding split barrel 2F: Trypsin_1ECOD (1.6)
C [auth I]Serpine3kcgI1 A: a+b complex topologyX: Serpins (From Topology)H: Serpins (From Topology)T: SerpinsF: SerpinECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]2.10.25.10 Mainly Beta Ribbon Laminin LamininCATH (4.3.0)
B [auth H]2.40.10.10 Mainly Beta Beta Barrel Thrombin, subunit H Trypsin-like serine proteasesCATH (4.3.0)
C [auth I]3.30.497.10 Alpha Beta 2-Layer Sandwich Antithrombin Chain I, domain 2CATH (4.3.0)
C [auth I]2.30.39.10 Mainly Beta Roll Alpha-1-antitrypsin domain 1CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth L]PF14670Coagulation Factor Xa inhibitory site (FXa_inhibition)Coagulation Factor Xa inhibitory siteThis short domain on coagulation enzyme factor Xa is found to be the target for a potent inhibitor of coagulation, TAK-442 [1].Domain
B [auth H]PF00089Trypsin (Trypsin)Trypsin- Domain
C [auth I]PF00079Serpin (serine protease inhibitor) (Serpin)Serpin (serine protease inhibitor)Structure is a multi-domain fold containing a bundle of helices and a beta sandwich.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth L]Coagulation factor IXa light chain
B [auth H]Coagulation factor IXa heavy chain
C [auth I]Antithrombin-III

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth L]IPR000294Gamma-carboxyglutamic acid-rich (GLA) domainDomain
A [auth L]IPR018097EGF-like calcium-binding, conserved siteConserved Site
A [auth L]IPR000742EGF-like domainDomain
A [auth L]IPR018114Serine proteases, trypsin family, histidine active siteActive Site
A [auth L]IPR050442Peptidase S1 family, coagulation factorsFamily
A [auth L]IPR009003Peptidase S1, PA clanHomologous Superfamily
A [auth L]IPR017857Coagulation factor-like, Gla domain superfamilyHomologous Superfamily
A [auth L]IPR001314Peptidase S1A, chymotrypsin familyFamily
A [auth L]IPR033116Serine proteases, trypsin family, serine active siteActive Site
A [auth L]IPR001254Serine proteases, trypsin domainDomain
A [auth L]IPR035972Gamma-carboxyglutamic acid-rich (GLA) domain superfamilyHomologous Superfamily
A [auth L]IPR001881EGF-like calcium-binding domainDomain
A [auth L]IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
A [auth L]IPR000152EGF-type aspartate/asparagine hydroxylation sitePTM
A [auth L]IPR012224Peptidase S1A, coagulation factor VII/IX/X/C/ZFamily
B [auth H]IPR000294Gamma-carboxyglutamic acid-rich (GLA) domainDomain
B [auth H]IPR018097EGF-like calcium-binding, conserved siteConserved Site
B [auth H]IPR000742EGF-like domainDomain
B [auth H]IPR018114Serine proteases, trypsin family, histidine active siteActive Site
B [auth H]IPR050442Peptidase S1 family, coagulation factorsFamily
B [auth H]IPR009003Peptidase S1, PA clanHomologous Superfamily
B [auth H]IPR017857Coagulation factor-like, Gla domain superfamilyHomologous Superfamily
B [auth H]IPR001314Peptidase S1A, chymotrypsin familyFamily
B [auth H]IPR033116Serine proteases, trypsin family, serine active siteActive Site
B [auth H]IPR001254Serine proteases, trypsin domainDomain
B [auth H]IPR035972Gamma-carboxyglutamic acid-rich (GLA) domain superfamilyHomologous Superfamily
B [auth H]IPR001881EGF-like calcium-binding domainDomain
B [auth H]IPR043504Peptidase S1, PA clan, chymotrypsin-like foldHomologous Superfamily
B [auth H]IPR000152EGF-type aspartate/asparagine hydroxylation sitePTM
B [auth H]IPR012224Peptidase S1A, coagulation factor VII/IX/X/C/ZFamily
C [auth I]IPR023795Serpin, conserved siteConserved Site
C [auth I]IPR000215Serpin familyFamily
C [auth I]IPR033829Antithrombin-III, serpin domainDomain
C [auth I]IPR023796Serpin domainDomain
C [auth I]IPR042178Serpin superfamily, domain 1Homologous Superfamily
C [auth I]IPR042185Serpin superfamily, domain 2Homologous Superfamily
C [auth I]IPR036186Serpin superfamilyHomologous Superfamily