Annotations: 4CQ4

C-terminal fragment of Af1503-sol: transmembrane receptor Af1503 from Archaeoglobus fulgidus engineered for solubility

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	HAMP domain-like	8033490	3001372	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	HAMP domain-like	8033490	3001372	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	HAMP domain-like	8033490	3001372	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	HAMP domain-like	8033490	3001372	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	Knl1_RWD_C	e4cq4A1	A: beta barrels	X: DEATH domain	H: HTH	T: winged helix domain	F: Knl1_RWD_C	ECOD (v294.2)
B	ZP-N	e4cq4B1	A: beta barrels	X: Single-stranded left-handed beta-helix	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ZP-N	ECOD (v294.2)
C	ZP-N	e4cq4C1	A: beta barrels	X: Single-stranded left-handed beta-helix	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ZP-N	ECOD (v294.2)
D	ZP-N	e4cq4D1	A: beta barrels	X: Single-stranded left-handed beta-helix	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ZP-N	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.340.10	Special	Helix non-globular	hypothetical protein mp506/mpn330, domain 1		CATH (4.3.0)
B	6.10.340.10	Special	Helix non-globular	hypothetical protein mp506/mpn330, domain 1		CATH (4.3.0)
C	6.10.340.10	Special	Helix non-globular	hypothetical protein mp506/mpn330, domain 1		CATH (4.3.0)
D	6.10.340.10	Special	Helix non-globular	hypothetical protein mp506/mpn330, domain 1		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00672	HAMP domain (HAMP)	HAMP domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	ENGINEERED VERSION OF TRANSMEMBRANE RECEPTOR AF1503	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 cation binding metal ion binding identical protein binding protein binding	cellular response to stimulus regulation of biological process phosphorelay signal transduction system regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication cellular process signal transduction	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR003660	HAMP domain	Domain
A, B, C, D	IPR050398	Heme sensor protein HssS/ArlS-like	Family

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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.