Annotations: 28NO

CTX/MthK complex

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth A], C [auth B], D [auth C], E [auth D]	Calcium-gated potassium channel MthK	monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane
A [auth E]	Potassium channel toxin alpha-KTx 1.1	molecular function inhibitor activity channel regulator activity transporter inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity transporter regulator activity channel inhibitor activity potassium channel regulator activity toxin activity	defense response to bacterium biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to bacterium response to stress response to external stimulus response to external biotic stimulus response to biotic stimulus defense response to fungus response to fungus cellular process disruption of cell in another organism defense response to bacterium biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to bacterium response to stress response to external stimulus response to external biotic stimulus response to biotic stimulus defense response to fungus response to fungus cellular process disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A], C [auth B], D [auth C], E [auth D]	IPR006037	Regulator of K+ conductance, C-terminal	Domain
B [auth A], C [auth B], D [auth C], E [auth D]	IPR050721	Trk/Ktr/HKT Potassium Transport	Family
B [auth A], C [auth B], D [auth C], E [auth D]	IPR013099	Potassium channel domain	Domain
B [auth A], C [auth B], D [auth C], E [auth D]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
B [auth A], C [auth B], D [auth C], E [auth D]	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
B [auth A], C [auth B], D [auth C], E [auth D]	IPR003148	Regulator of K+ conductance, N-terminal lobe	Domain
A [auth E]	IPR036574	Knottin, scorpion toxin-like superfamily	Homologous Superfamily
A [auth E]	IPR001947	Scorpion short chain toxin, potassium channel inhibitor	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth E]	PCA	Parent Component: GLN : AA0031 : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

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.

28NO | pdb_000028no

CTX/MthK complex

External Resource: Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Protein Modification Annotation