Annotations: 3FY4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF03441	e3fy4B1	A: alpha complex topology	X: Cryptochrome/photolyase FAD-binding domain-related (From Homology)	H: Cryptochrome/photolyase FAD-binding domain-related	T: Cryptochrome/photolyase FAD-binding domain	F: PF03441	ECOD (1.6)
B	PF00875	e3fy4B2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: PF00875	ECOD (1.6)
C	PF03441	e3fy4C1	A: alpha complex topology	X: Cryptochrome/photolyase FAD-binding domain-related (From Homology)	H: Cryptochrome/photolyase FAD-binding domain-related	T: Cryptochrome/photolyase FAD-binding domain	F: PF03441	ECOD (1.6)
C	PF00875	e3fy4C2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: PF00875	ECOD (1.6)
A	PF03441	e3fy4A1	A: alpha complex topology	X: Cryptochrome/photolyase FAD-binding domain-related (From Homology)	H: Cryptochrome/photolyase FAD-binding domain-related	T: Cryptochrome/photolyase FAD-binding domain	F: PF03441	ECOD (1.6)
A	PF00875	e3fy4A2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: PF00875	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
B	1.25.40.80	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
B	1.10.579.10	Mainly Alpha	Orthogonal Bundle	DNA Cyclobutane Dipyrimidine Photolyase, subunit A	domain 3	CATH (4.3.0)
C	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
C	1.25.40.80	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
C	1.10.579.10	Mainly Alpha	Orthogonal Bundle	DNA Cyclobutane Dipyrimidine Photolyase, subunit A	domain 3	CATH (4.3.0)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
A	1.25.40.80	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
A	1.10.579.10	Mainly Alpha	Orthogonal Bundle	DNA Cyclobutane Dipyrimidine Photolyase, subunit A	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00875	DNA photolyase (DNA_photolyase)	DNA photolyase	This domain binds a light harvesting cofactor.	Domain
A, B, C	PF03441	FAD binding domain of DNA photolyase (FAD_binding_7)	FAD binding domain of DNA photolyase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	6-4 photolyase	DNA binding binding organic cyclic compound binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding DNA (6-4) photolyase activity DNA photolyase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid lyase activity catalytic activity DNA binding binding organic cyclic compound binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding DNA (6-4) photolyase activity DNA photolyase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid lyase activity catalytic activity carbon-carbon lyase activity	response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to UV cellular response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to UV cellular response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process pyrimidine dimer repair macromolecule metabolic process DNA repair	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR036155	Cryptochrome/photolyase, N-terminal domain superfamily	Homologous Superfamily
A, B, C	IPR006050	DNA photolyase, N-terminal	Domain
A, B, C	IPR002081	Cryptochrome/DNA photolyase class 1	Family
A, B, C	IPR036134	Cryptochrome/DNA photolyase, FAD-binding domain-like superfamily	Homologous Superfamily
A, B, C	IPR005101	Cryptochrome/DNA photolyase, FAD-binding domain	Domain
A, B, C	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.