1ASQ | pdb_00001asq

X-RAY STRUCTURES AND MECHANISTIC IMPLICATIONS OF THREE FUNCTIONAL DERIVATIVES OF ASCORBATE OXIDASE FROM ZUCCHINI: REDUCED-, PEROXIDE-, AND AZIDE-FORMS

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	d1asqb3	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, C-terminal domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)
B	d1asqb2	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, middle domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)
B	d1asqb1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, N-terminal domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)
A	d1asqa3	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, C-terminal domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)
A	d1asqa2	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, middle domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)
A	d1asqa1	All beta proteins	Cupredoxin-like	Cupredoxins	Multidomain cupredoxins	Ascorbate oxidase, N-terminal domain	zucchini (Cucurbita melopepo ) [TaxId: 3665 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Cupredoxins	8040667	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8040671	3000886	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cupredoxins	8040668	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8040667	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8040671	3000886	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cupredoxins	8040668	3000886	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	Sod_Cu	e1asqB1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Sod_Cu	ECOD (v294.1)
A	Sod_Cu	e1asqA1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Sod_Cu	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)
A	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ASCORBATE OXIDASE	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor L-ascorbate oxidase activity oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors catalytic activity	biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus regulation of defense response regulation of response to biotic stimulus negative regulation of response to biotic stimulus regulation of response to external stimulus negative regulation of biological process regulation of defense response to virus response to stress biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus regulation of defense response regulation of response to biotic stimulus negative regulation of response to biotic stimulus regulation of response to external stimulus negative regulation of biological process regulation of defense response to virus response to stress regulation of response to stress regulation of biological process negative regulation of response to stimulus defense response biological regulation defense response to virus regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response negative regulation of defense response to virus response to hydrogen peroxide response to oxidative stress response to chemical response to oxygen-containing compound response to reactive oxygen species	cellular anatomical structure extracellular region cell-cell junction symplast anchoring junction cell junction plasmodesma

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR034267	Ascorbate oxidase, third cupredoxin domain	Domain
A, B	IPR001117	Multicopper oxidase, second cupredoxin domain	Domain
A, B	IPR033138	Multicopper oxidases, conserved site	Conserved Site
A, B	IPR034258	Ascorbate oxidase, second cupredoxin domain	Domain
A, B	IPR034259	Ascorbate oxidase, first cupredoxin domain	Domain
A, B	IPR011707	Multicopper oxidase-like, N-terminal	Domain
A, B	IPR008972	Cupredoxin	Homologous Superfamily
A, B	IPR002355	Multicopper oxidase, copper-binding site	Binding Site
A, B	IPR011706	Multicopper oxidase, C-terminal	Domain
A, B	IPR045087	Multicopper oxidase	Family
A, B	IPR017760	L-ascorbate oxidase, plants	Family

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.