Annotations: 6PH4

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PG_binding_1	e6ph4B1	A: alpha arrays	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: PG_binding_1	ECOD (v295)
A	AAA	e6ph4A1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Blue-light-activated histidine kinase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups molecular transducer activity photoreceptor activity signaling receptor activity	-	-

Chains	Accession	Name	Type
A, B	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B	IPR001610	PAC motif	Repeat
A, B	IPR000700	PAS-associated, C-terminal	Domain
A, B	IPR000014	PAS domain	Domain
A, B	IPR011102	Signal transduction histidine kinase, HWE region	Domain
A, B	IPR013655	PAS fold 3	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.

6PH4 | pdb_00006ph4