Annotations: 6LNP

Crystal structure of citrate Biosensor

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 [auth D]	SCOP2B Superfamily	Sensory domain-like	8034632	3001802	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	GFP-like	8096046	3000576	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	Sensory domain-like	8034632	3001802	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 [auth D]	USP7_ICP0_bdg	e6lnpD1	A: beta barrels	X: Tail specific protease helical domain	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: USP7_ICP0_bdg	ECOD (v294.2)
A [auth B]	KWL1	e6lnpB1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: KWL1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth D]	2.40.155.10	Mainly Beta	Beta Barrel	Green Fluorescent Protein	Green fluorescent protein	CATH (utative)
B [auth D]	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (utative)
A [auth B]	2.40.155.10	Mainly Beta	Beta Barrel	Green Fluorescent Protein	Green fluorescent protein	CATH (utative)
A [auth B]	3.30.450.20	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	PAS domain	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth D]	Fusion protein of Green fluorescent protein and Sensor histidine kinase CitA	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 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 molecular function regulator activity catalytic activity	bioluminescence metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth D]	IPR000786	Green fluorescent protein, GFP	Family
A [auth B], B [auth D]	IPR011584	Green fluorescent protein-related	Family
A [auth B], B [auth D]	IPR009017	Green fluorescent protein	Homologous Superfamily
A [auth B], B [auth D]	IPR000014	PAS domain	Domain
A [auth B], B [auth D]	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A [auth B], B [auth D]	IPR029151	Periplasmic sensor-like domain superfamily	Homologous Superfamily
A [auth B], B [auth D]	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A [auth B], B [auth D]	IPR035965	PAS domain superfamily	Homologous Superfamily
A [auth B], B [auth D]	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A [auth B], B [auth D]	IPR005467	Histidine kinase domain	Domain
A [auth B], B [auth D]	IPR050428	Two-component system sensor histidine kinase	Family
A [auth B], B [auth D]	IPR033463	Single cache domain 3	Domain
A [auth B], B [auth D]	IPR016120	Signal transduction histidine kinase, sporulation regulator SpoOB	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.