Annotations: 6PKX

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e6pkxA2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF00520	e6pkxA3	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
A	F_UNCLASSIFIED	e6pkxA4	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF18139	e6pkxA1	A: a/b three-layered sandwiches	X: MCP/YpsA-related (From Topology)	H: MCP/YpsA-related (From Topology)	T: MCP/YpsA-related	F: PF18139	ECOD (1.6)
B	F_UNCLASSIFIED	e6pkxB2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF00520	e6pkxB3	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
B	F_UNCLASSIFIED	e6pkxB4	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF18139	e6pkxB1	A: a/b three-layered sandwiches	X: MCP/YpsA-related (From Topology)	H: MCP/YpsA-related (From Topology)	T: MCP/YpsA-related	F: PF18139	ECOD (1.6)
C	F_UNCLASSIFIED	e6pkxC2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF00520	e6pkxC3	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
C	F_UNCLASSIFIED	e6pkxC4	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF18139	e6pkxC1	A: a/b three-layered sandwiches	X: MCP/YpsA-related (From Topology)	H: MCP/YpsA-related (From Topology)	T: MCP/YpsA-related	F: PF18139	ECOD (1.6)
D	F_UNCLASSIFIED	e6pkxD2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF00520	e6pkxD3	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)
D	F_UNCLASSIFIED	e6pkxD4	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF18139	e6pkxD1	A: a/b three-layered sandwiches	X: MCP/YpsA-related (From Topology)	H: MCP/YpsA-related (From Topology)	T: MCP/YpsA-related	F: PF18139	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF18139	SLOG in TRPM (LSDAT_euk)	SLOG in TRPM	-	Family
A, B, C, D	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Transient receptor potential cation channel subfamily M member 2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding organic cyclic compound binding ADP-D-ribose binding anion binding heterocyclic compound binding carbohydrate derivative binding monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding organic cyclic compound binding ADP-D-ribose binding anion binding heterocyclic compound binding carbohydrate derivative binding monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity calcium channel activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity ligand-gated calcium channel activity inorganic cation transmembrane transporter activity metal ion transmembrane transporter activity mono-ADP-D-ribose binding	transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport calcium ion transmembrane transport transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport calcium ion transmembrane transport protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR005821	Ion transport domain	Domain
A, B, C, D	IPR041491	TRPM, SLOG domain	Domain
A, B, C, D	IPR015797	NUDIX hydrolase-like domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Transient receptor potential channels

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Transient Receptor Potential (TRP)	TRPM2 ion channel in apo state processed with C4 symmetry

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.