1YRX

Structure of a novel photoreceptor: the BLUF domain of AppA from Rhodobacter sphaeroides

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d1yrxa1	Alpha and beta proteins (a+b)	Ferredoxin-like	Acylphosphatase/BLUF domain-like	BLUF domain	Sensor of blue light AppA	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)
A	d1yrxa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)
B	d1yrxb2	Alpha and beta proteins (a+b)	Ferredoxin-like	Acylphosphatase/BLUF domain-like	BLUF domain	automated matches	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)
B	d1yrxb3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)
C	d1yrxc2	Alpha and beta proteins (a+b)	Ferredoxin-like	Acylphosphatase/BLUF domain-like	BLUF domain	automated matches	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)
C	d1yrxc3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Cereibacter sphaeroides 2.4.1 ) [TaxId: 272943 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	BLUF domain	8022520	4003672	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Acylphosphatase/BLUF domain-like	8034900	3000165	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Acylphosphatase/BLUF domain-like	8034900	3000165	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Acylphosphatase/BLUF domain-like	8034900	3000165	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	BLUF	e1yrxA1	A: a+b two layers	X: Alpha-beta plaits	H: Acylphosphatase-like (From Topology)	T: Acylphosphatase-like	F: BLUF	ECOD (1.6)
B	BLUF	e1yrxB1	A: a+b two layers	X: Alpha-beta plaits	H: Acylphosphatase-like (From Topology)	T: Acylphosphatase-like	F: BLUF	ECOD (1.6)
C	BLUF	e1yrxC1	A: a+b two layers	X: Alpha-beta plaits	H: Acylphosphatase-like (From Topology)	T: Acylphosphatase-like	F: BLUF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF04940	Sensors of blue-light using FAD (BLUF)	Sensors of blue-light using FAD	The BLUF domain has been shown to bind FAD in the AppA protein (Swiss:Q53119). AppA is involved in the repression of photosynthesis genes in response to blue-light.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	hypothetical protein Rsph03001874	blue light photoreceptor activity molecular transducer activity photoreceptor activity signaling receptor activity FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR007024	BLUF domain	Domain
A, B, C	IPR036046	Acylphosphatase-like domain superfamily	Homologous Superfamily
A, B, C	IPR036594	Methionine synthase domain	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.