3NHQ

The dark Pfr structure of the photosensory core module of P. aeruginosa Bacteriophytochrome

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	d3nhqa2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
A	d3nhqa3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
A	d3nhqa1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
B	d3nhqb2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
B	d3nhqb3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
B	d3nhqb1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
C	d3nhqc2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
C	d3nhqc3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
C	d3nhqc1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
D	d3nhqd2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
D	d3nhqd3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
D	d3nhqd1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
E	d3nhqe2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
E	d3nhqe3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
E	d3nhqe1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
F	d3nhqf2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
F	d3nhqf3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
F	d3nhqf1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
F	d3nhqf4	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
G	d3nhqg2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
G	d3nhqg3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
G	d3nhqg1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
H	d3nhqh2	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	GAF domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
H	d3nhqh3	Alpha and beta proteins (a+b)	Profilin-like	GAF domain-like	Phytochrome-specific domain	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
H	d3nhqh1	Alpha and beta proteins (a+b)	Profilin-like	PYP-like sensor domain (PAS domain)	BphP N-terminal domain-like	Bacteriophytochrome BphP	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	GAF domain-like	8039712	3000080	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	PYP-like sensor domain (PAS domain)	8039713	3000471	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	GAF domain-like	8039711	3000080	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	GAF domain-like	8039712	3000080	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	PAS_2	e3nhqA3	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
A	PHY	e3nhqA4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
A	GAF	e3nhqA5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
B	PAS_2	e3nhqB4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
B	PHY	e3nhqB5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
B	GAF	e3nhqB6	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
C	PAS_2	e3nhqC4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
C	PHY	e3nhqC5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
C	GAF	e3nhqC6	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
D	PAS_2	e3nhqD3	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
D	PHY	e3nhqD4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
D	GAF	e3nhqD5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
E	PAS_2	e3nhqE3	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
E	PHY	e3nhqE4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
E	GAF	e3nhqE5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
F	PAS_2	e3nhqF4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
F	PHY	e3nhqF5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
F	GAF	e3nhqF6	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
G	PAS_2	e3nhqG4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
G	PHY	e3nhqG5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
G	GAF	e3nhqG6	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)
H	PAS_2	e3nhqH3	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PAS_2	ECOD (1.6)
H	PHY	e3nhqH4	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PHY	ECOD (1.6)
H	GAF	e3nhqH5	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: GAF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
A	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
A	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
B	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
B	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
B	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
C	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
C	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
C	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
D	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
D	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
D	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
E	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
E	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
E	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
F	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
F	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
F	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
G	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
G	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
G	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)
H	3.30.450.40	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	GAF domain	CATH (4.3.0)
H	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (4.3.0)
H	3.30.450.270	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PHY domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF01590	GAF domain (GAF)	GAF domain	This domain is present in cGMP-specific phosphodiesterases, adenylyl and guanylyl cyclases, phytochromes, FhlA and NifA. Adenylyl and guanylyl cyclases catalyse ATP and GTP to the second messengers cAMP and cGMP, respectively, these products up-regul ...	This domain is present in cGMP-specific phosphodiesterases, adenylyl and guanylyl cyclases, phytochromes, FhlA and NifA. Adenylyl and guanylyl cyclases catalyse ATP and GTP to the second messengers cAMP and cGMP, respectively, these products up-regulating catalytic activity by binding to the regulatory GAF domain(s). The opposite hydrolysis reaction is catalysed by phosphodiesterase. cGMP-dependent 3',5'-cyclic phosphodiesterase catalyses the conversion of guanosine 3',5'-cyclic phosphate to guanosine 5'-phosphate. Here too, cGMP regulates catalytic activity by GAF-domain binding. Phytochromes are regulatory photoreceptors in plants and bacteria which exist in two thermally-stable states that are reversibly inter-convertible by light: the Pr state absorbs maximally in the red region of the spectrum, while the Pfr state absorbs maximally in the far-red region. This domain is also found in FhlA (formate hydrogen lyase transcriptional activator) and NifA, a transcriptional activator which is required for activation of most Nif operons which are directly involved in nitrogen fixation. NifA interacts with sigma-54. This domain can bind biliverdine and phycocyanobilin (Matilla et al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	PF00360	Phytochrome region (PHY)	Phytochrome region	Phytochromes are red/far-red photochromic biliprotein photoreceptors which regulate plant development. They are widely represented in both photosynthetic and non-photosynthetic bacteria and are known in a variety of fungi. Although sequence similarit ...	Phytochromes are red/far-red photochromic biliprotein photoreceptors which regulate plant development. They are widely represented in both photosynthetic and non-photosynthetic bacteria and are known in a variety of fungi. Although sequence similarities are low, this domain is structurally related to Pfam:PF01590 [1], which is generally located immediately N-terminal to this domain. Compared with Pfam:PF01590, this domain carries an additional tongue-like hairpin loop between the fifth beta-sheet and the sixth alpha-helix which functions to seal the chromophore pocket and stabilise the photoactivated far-red-absorbing state (Pfr) [1]. The tongue carries a conserved PRxSF motif, from which an arginine finger points into the chromophore pocket close to ring D forming a salt bridge with a conserved aspartate residue [1].	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	PF08446	PAS fold (PAS_2)	PAS fold	The PAS fold corresponds to the structural domain that has previously been defined as PAS and PAC motifs [4]. The PAS fold appears in archaea, eubacteria and eukarya.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Bacteriophytochrome	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding enzyme regulator activity kinase activator activity enzyme activator activity molecular function activator activity molecular function regulator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity molecular sensor activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups phosphorelay sensor kinase activity catalytic activity molecular transducer activity photoreceptor activity signaling receptor activity phosphorelay response regulator activity identical protein binding protein binding	regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process cellular response to stimulus osmosensory signaling via phosphorelay pathway response to stimulus signaling cellular response to chemical stress intracellular signal transduction cellular response to environmental stimulus cell communication osmosensory signaling pathway cellular response to stress response to stress signal transduction response to osmotic stress phosphorelay signal transduction system cellular response to osmotic stress cellular response to chemical stimulus response to chemical response to abiotic stimulus cellular response to abiotic stimulus detection of light stimulus response to light stimulus detection of external stimulus detection of stimulus detection of visible light response to external stimulus response to radiation detection of abiotic stimulus	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013515	Phytochrome, central region	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR043150	Phytochrome, PHY domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013654	PAS fold-2	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005467	Histidine kinase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003018	GAF domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR029016	GAF-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR052545	Light-responsive regulatory protein	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR001294	Phytochrome	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR016132	Phytochrome chromophore attachment domain	Domain

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3NHQ

The dark Pfr structure of the photosensory core module of P. aeruginosa Bacteriophytochrome

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage