Annotations: 3SQR

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PI3_PI4_kinase	e3sqrA2	A: alpha arrays	X: Alpha helical domain of ribonucleotide reductases	H: Alpha helical domain of ribonucleotide reductases	T: Alpha helical domain of ribonucleotide reductases	F: PI3_PI4_kinase	ECOD (v295.2)
A		e3sqrA4	A: alpha arrays	X: Alpha helical domain of ribonucleotide reductases	H: Alpha helical domain of ribonucleotide reductases	T: Alpha helical domain of ribonucleotide reductases	F:	ECOD (v295.2)

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	laccase	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 oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors hydroquinone:oxygen oxidoreductase activity catalytic activity	-	cellular anatomical structure extracellular region

Chains	Accession	Name	Type
A	IPR011706	Multicopper oxidase-like, C-terminal	Domain
A	IPR008972	Cupredoxin	Homologous Superfamily
A	IPR002355	Multicopper oxidase, copper-binding site	Binding Site
A	IPR001117	Multicopper oxidase, second cupredoxin domain	Domain
A	IPR045087	Multicopper oxidase	Family
A	IPR033138	Multicopper oxidases, conserved site	Conserved Site
A	IPR011707	Multicopper oxidase-like, N-terminal	Domain

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.

3SQR | pdb_00003sqr