Annotations: 4HH1

Dark-state structure of AppA wild-type without the Cys-rich region from Rb. sphaeroides

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Acylphosphatase/BLUF domain-like	8034900	3000165	SCOP2B (2022-06-29)
A	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)
B	Ribonuc_L-PSP	e4hh1B11	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F: Ribonuc_L-PSP	ECOD (v295.2)
B	HMGL-like	e4hh1B1	A: alpha arrays	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: HMGL-like	ECOD (v295.2)
A	Ribonuc_L-PSP	e4hh1A11	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F: Ribonuc_L-PSP	ECOD (v295.2)
A	HMGL-like	e4hh1A1	A: alpha arrays	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: HMGL-like	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B	1.10.1240.10	Mainly Alpha	Orthogonal Bundle	Methyltransferase, Methionine Synthase (B12-binding Domains)	Chain A, domain 1	CATH (4.3.0)
B	3.40.50.280	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Cobalamin-binding domain	CATH (4.3.0)
A	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
A	1.10.1240.10	Mainly Alpha	Orthogonal Bundle	Methyltransferase, Methionine Synthase (B12-binding Domains)	Chain A, domain 1	CATH (4.3.0)
A	3.40.50.280	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Cobalamin-binding domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007024	BLUF domain	Domain
A, B	IPR054140	AppA, four helical bundle	Domain
A, B	IPR054142	AppA, SCHIC domain	Domain
A, B	IPR036046	Acylphosphatase-like domain superfamily	Homologous Superfamily
A, B	IPR036594	Methionine synthase domain	Homologous Superfamily