Annotations: 1S6X

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Pyrophosphatase	e1s6xA1	A: a/b three-layered sandwiches	X: Globin-like	H: Ring-building motif I in type III secretion system	T: Ring-building motif I in type III secretion system	F: Pyrophosphatase	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	KvAP CHANNEL	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 sodium channel regulator activity toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013140	Huwentoxin, conserved site-1	Conserved Site
A	IPR011696	Huwentoxin-1 family	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Monotopic/peripheral	All beta monotopic/peripheral	Omega conotoxin-like knottin	Spider ion channel inhibitory toxins

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.