Annotations: 1QNF

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qnfa1	All alpha proteins	Cryptochrome/photolyase FAD-binding domain	Cryptochrome/photolyase FAD-binding domain	Cryptochrome/photolyase FAD-binding domain	C-terminal domain of DNA photolyase	(Synechococcus elongatus PCC 6301 ) [TaxId: 269084 ],	SCOPe (2.08)
A	d1qnfa2	Alpha and beta proteins (a/b)	Cryptochrome/photolyase, N-terminal domain	Cryptochrome/photolyase, N-terminal domain	Cryptochrome/photolyase, N-terminal domain	DNA photolyase	(Synechococcus elongatus PCC 6301 ) [TaxId: 269084 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cryptochrome/photolyase FAD-binding domain	8037838	3000930	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cryptochrome/photolyase, N-terminal domain	8037840	3001644	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)
A		e1qnfA1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Propep_M14	F:	ECOD (20:10:01)
A		e1qnfA2	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: SNO, Peptidase_S51	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PHOTOLYASE	DNA binding binding nucleic acid binding DNA photolyase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid deoxyribodipyrimidine photo-lyase activity lyase activity catalytic activity carbon-carbon lyase activity FAD binding flavin adenine dinucleotide binding nucleoside phosphate binding ion binding DNA binding binding nucleic acid binding DNA photolyase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid deoxyribodipyrimidine photo-lyase activity lyase activity catalytic activity carbon-carbon lyase activity FAD binding flavin adenine dinucleotide binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair response to light stimulus cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair response to light stimulus response to radiation response to abiotic stimulus	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002081	Cryptochrome/DNA photolyase class 1	Family
A	IPR036134	Cryptochrome/DNA photolyase, FAD-binding domain-like superfamily	Homologous Superfamily
A	IPR018394	Cryptochrome/DNA photolyase class 1, conserved site, C-terminal	Conserved Site
A	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A	IPR036155	Cryptochrome/photolyase, N-terminal domain superfamily	Homologous Superfamily
A	IPR006050	DNA photolyase, N-terminal	Domain
A	IPR019947	DNA photolyase class 1, 8-HDF type	Family
A	IPR005101	Cryptochrome/DNA photolyase, FAD-binding domain	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.