Annotations: 2NU1

Molecular structures of the complexes of SGPB with OMTKY3 aromatic P1 variants Trp18I, His18I, Phe18I and Tyr18I

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth I]	d2nu1i1	Small proteins	Kazal-type serine protease inhibitors	Kazal-type serine protease inhibitors	Ovomucoid domain III-like	Ovomucoid domains	turkey (Meleagris gallopavo ) [TaxId: 9103 ],	SCOPe (2.08)
A [auth E]	d2nu1e_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	Prokaryotic proteases	automated matches	(Streptomyces griseus ) [TaxId: 1911 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth I]	SCOP2B Superfamily	Kazal-type serine protease inhibitors	8098906	3000605	SCOP2B (2022-06-29)
A [auth E]	SCOP2B Superfamily	Trypsin-like serine proteases	8035344	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 I]	Kazal_1	e2nu1I1	A: beta barrels	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: Kazal_1	ECOD (v294.2)
A [auth E]	Trypsin	e2nu1E1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Trypsin	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth I]	3.30.60.30	Alpha Beta	2-Layer Sandwich	Wheat Germ Agglutinin (Isolectin 2)	domain 1	CATH (4.3.0)
A [auth E]	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth I]	Ovomucoid	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	-	cellular anatomical structure extracellular region
A [auth E]	Streptogrisin B	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	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth I]	IPR036058	Kazal domain superfamily	Homologous Superfamily
B [auth I]	IPR051597	Bifunctional protease inhibitor	Family
B [auth I]	IPR002350	Kazal domain	Domain
B [auth I]	IPR001239	Proteinase inhibitor I1, Kazal-type, metazoa	Family
A [auth E]	IPR001254	Serine proteases, trypsin domain	Domain
A [auth E]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A [auth E]	IPR004236	Peptidase S1A, alpha-lytic prodomain	Domain
A [auth E]	IPR001316	Peptidase S1A, streptogrisin	Family
A [auth E]	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A [auth E]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
A [auth E]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site

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