Annotations: 4MT8

Structure of the ERS1 dimerization and histidine phosphotransfer domain from Arabidopsis thaliana

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e4mt8B1	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F:	ECOD (v294.2)
A	Epimerase	e4mt8A1	A: beta barrels	X: Thioredoxin-like	H: ClpP/crotonase	T: ClpP/crotonase	F: Epimerase	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.287.130	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain	CATH (4.3.0)
A	1.10.287.130	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00512	His Kinase A (phospho-acceptor) domain (HisKA)	His Kinase A (phospho-acceptor) domain	Dimerisation and phospho-acceptor domain of histidine kinases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Ethylene response sensor 1	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 protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups phosphotransferase activity, nitrogenous group as acceptor protein histidine kinase activity ethylene binding alkene binding molecular sensor activity phosphorelay sensor kinase activity molecular function regulator activity cation binding metal ion binding molecular transducer activity ethylene receptor activity signaling receptor activity	cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction hormone-mediated signaling pathway intracellular signal transduction negative regulation of cell communication cell communication regulation of phosphorelay signal transduction system regulation of ethylene-activated signaling pathway cellular response to endogenous stimulus cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction hormone-mediated signaling pathway intracellular signal transduction negative regulation of cell communication cell communication regulation of phosphorelay signal transduction system regulation of ethylene-activated signaling pathway cellular response to endogenous stimulus regulation of intracellular signal transduction ethylene-activated signaling pathway response to hormone negative regulation of cellular process response to ethylene signal transduction cellular response to hormone stimulus regulation of biological process regulation of signaling phosphorelay signal transduction system negative regulation of phosphorelay signal transduction system negative regulation of response to stimulus cellular response to ethylene stimulus negative regulation of ethylene-activated signaling pathway response to endogenous stimulus biological regulation negative regulation of signal transduction cellular response to chemical stimulus regulation of response to stimulus response to chemical regulation of cell communication cellular process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A, B	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A, B	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR005467	Histidine kinase domain	Domain
A, B	IPR058544	Ethylene receptor 1-like, N-terminal domain	Domain
A, B	IPR003018	GAF domain	Domain
A, B	IPR029016	GAF-like domain superfamily	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.