Annotations: 3D2D

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BBE	e3d2dA1	A: a+b two layers	X: Alpha-beta plaits	H: FAD-linked oxidases, C-terminal domain (From Topology)	T: FAD-linked oxidases, C-terminal domain	F: BBE	ECOD (1.6)
A	FAD_binding_4	e3d2dA2	A: a+b complex topology	X: FAD-binding domain-like	H: FAD-binding domain (From Topology)	T: FAD-binding domain	F: FAD_binding_4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.43.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 2	CATH (4.3.0)
A	3.30.465.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 3	CATH (4.3.0)
A	3.40.462.20	Alpha Beta	3-Layer(aba) Sandwich	Vanillyl-alcohol Oxidase	Chain A, domain 3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	berberine bridge-forming enzyme	reticuline oxidase activity oxidoreductase activity oxidoreductase activity, acting on X-H and Y-H to form an X-Y bond oxidoreductase activity, acting on X-H and Y-H to form an X-Y bond, with oxygen as acceptor catalytic activity FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	alkaloid metabolic process metabolic process cellular process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm intracellular membrane-bounded organelle vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006093	Oxygen oxidoreductase covalent FAD-binding site	Binding Site
A	IPR016167	FAD-binding, type PCMH, subdomain 1	Homologous Superfamily
A	IPR012951	Berberine/berberine-like	Domain
A	IPR036318	FAD-binding, type PCMH-like superfamily	Homologous Superfamily
A	IPR016169	FAD-binding, type PCMH, subdomain 2	Homologous Superfamily
A	IPR006094	FAD linked oxidase, N-terminal	Domain
A	IPR016166	FAD-binding domain, PCMH-type	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.