Annotations: 1SM4

Crystal Structure Analysis of the Ferredoxin-NADP+ Reductase from Paprika

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)
A	d1sm4a1	All beta proteins	Reductase/isomerase/elongation factor common domain	Riboflavin synthase domain-like	Ferredoxin reductase FAD-binding domain-like	Ferredoxin reductase (flavodoxin reductase) N-terminal domain	(Capsicum annuum ) [TaxId: 4072 ],	SCOPe (2.08)
A	d1sm4a2	Alpha and beta proteins (a/b)	Ferredoxin reductase-like, C-terminal NADP-linked domain	Ferredoxin reductase-like, C-terminal NADP-linked domain	Reductases	Ferredoxin reductase (flavodoxin reductase)	(Capsicum annuum ) [TaxId: 4072 ],	SCOPe (2.08)
B	d1sm4b1	All beta proteins	Reductase/isomerase/elongation factor common domain	Riboflavin synthase domain-like	Ferredoxin reductase FAD-binding domain-like	Ferredoxin reductase (flavodoxin reductase) N-terminal domain	(Capsicum annuum ) [TaxId: 4072 ],	SCOPe (2.08)
B	d1sm4b2	Alpha and beta proteins (a/b)	Ferredoxin reductase-like, C-terminal NADP-linked domain	Ferredoxin reductase-like, C-terminal NADP-linked domain	Reductases	Ferredoxin reductase (flavodoxin reductase)	(Capsicum annuum ) [TaxId: 4072 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Ferredoxin reductase FAD-binding domain-like	8029233	4002840	SCOP2 (2022-06-29)
A	SCOP2 Family	Reductases	8029235	4003770	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Riboflavin synthase domain-like	8041612	3001812	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ferredoxin reductase-like, C-terminal NADP-linked domain	8041614	3001461	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Ferredoxin reductase-like, C-terminal NADP-linked domain	8041614	3001461	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Riboflavin synthase domain-like	8041612	3001812	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	Trypsin	e1sm4A1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Trypsin	ECOD (v294.2)
A	HGTP_anticodon	e1sm4A2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: HGTP_anticodon	ECOD (v294.2)
B	Trypsin	e1sm4B1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Trypsin	ECOD (v294.2)
B	HGTP_anticodon	e1sm4B2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: HGTP_anticodon	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.30.10	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	3.40.50.80	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module	CATH (4.3.0)
B	2.40.30.10	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	3.40.50.80	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	chloroplast ferredoxin-NADP+ oxidoreductase	oxidoreductase activity ferredoxin-[NAD(P)H] reductase activity ferredoxin-NADP+ reductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors oxidoreductase activity, acting on iron-sulfur proteins as donors, NAD or NADP as acceptor catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding poly-pyrimidine tract binding RNA binding poly(U) RNA binding oxidoreductase activity ferredoxin-[NAD(P)H] reductase activity ferredoxin-NADP+ reductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors oxidoreductase activity, acting on iron-sulfur proteins as donors, NAD or NADP as acceptor catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding poly-pyrimidine tract binding RNA binding poly(U) RNA binding nucleic acid binding single-stranded RNA binding	photosynthesis metabolic process cellular process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
A, B	IPR001709	Flavoprotein pyridine nucleotide cytochrome reductase	Domain
A, B	IPR001433	Oxidoreductase FAD/NAD(P)-binding	Domain
A, B	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
A, B	IPR035442	Ferredoxin--NADP reductase, plant and Cyanobacteria type	Family
A, B	IPR015701	Ferredoxin--NADP reductase	Family
A, B	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily

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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.