6NT4 | pdb_00006nt4

Cryo-EM structure of a human-cockroach hybrid Nav channel bound to alpha-scorpion toxin AaH2.

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
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Scorpion toxin-like	8038168	3000309	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Scorpion toxin-like	8038168	3000309	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)
C	Toxin_3	e6nt4C1	A: few secondary structure elements	X: omega toxin-like	H: omega toxin-related	T: Scorpion toxin-like	F: Toxin_3	ECOD (1.6)
B	Toxin_3	e6nt4B1	A: few secondary structure elements	X: omega toxin-like	H: omega toxin-related	T: Scorpion toxin-like	F: Toxin_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (utative)
B	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	Sodium channel protein PaFPC1,Sodium channel protein type 9 subunit alpha,Sodium channel protein PaFPC1	monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity gated channel activity voltage-gated channel activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity gated channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity	multicellular organismal process system process nervous system process biological regulation action potential transmission of nerve impulse cell communication neuronal action potential cellular process regulation of biological quality regulation of membrane potential membrane depolarization during action potential membrane depolarization heart process multicellular organismal process system process nervous system process biological regulation action potential transmission of nerve impulse cell communication neuronal action potential cellular process regulation of biological quality regulation of membrane potential membrane depolarization during action potential membrane depolarization heart process cardiac muscle cell contraction cardiac muscle cell action potential involved in contraction actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process actin-mediated cell contraction heart contraction cardiac muscle cell action potential blood circulation rhythmic process circadian rhythm response to stimulus response to chemical response to toxic substance behavior response to stress multicellular organismal response to stress response to pain behavioral response to pain transport monoatomic ion transmembrane transport sodium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport monoatomic cation transport sodium ion transport detection of external stimulus detection of stimulus involved in sensory perception of pain response to external stimulus sensory perception of temperature stimulus sensory perception of pain detection of temperature stimulus involved in sensory perception response to temperature stimulus detection of abiotic stimulus detection of stimulus sensory perception detection of temperature stimulus response to abiotic stimulus detection of stimulus involved in sensory perception detection of temperature stimulus involved in sensory perception of pain action potential propagation defense response inflammatory response developmental process multicellular organism development anatomical structure development post-embryonic development response to mechanical stimulus detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of mechanical stimulus	protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane plasma membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex monoatomic ion channel complex axon protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane plasma membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex monoatomic ion channel complex axon cell projection main axon neuron projection node of Ranvier plasma membrane bounded cell projection synapse axon terminus presynapse distal axon cell junction neuron projection terminus
B, C	Alpha-mammal toxin AaH2	molecular function inhibitor activity sodium channel inhibitor activity channel regulator activity transporter inhibitor activity ion channel regulator activity ion channel inhibitor activity molecular function regulator activity sodium channel regulator activity transporter regulator activity channel inhibitor activity toxin activity	response to stimulus defense response response to stress	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005821	Ion transport domain	Domain
A	IPR031649	Voltage-dependent L-type calcium channel, IQ-associated domain	Domain
A	IPR001696	Voltage gated sodium channel, alpha subunit	Family
A	IPR043203	Voltage-gated cation channel calcium and sodium	Family
A	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily
A	IPR024583	Voltage-gated Na+ ion channel, cytoplasmic domain	Domain
A	IPR001696	Voltage gated sodium channel, alpha subunit	Family
A	IPR000048	IQ motif, EF-hand binding site	Binding Site
A	IPR010526	Sodium ion transport-associated domain	Domain
A	IPR005821	Ion transport domain	Domain
A	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
A	IPR043203	Voltage-gated cation channel calcium and sodium	Family
A	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily
B, C	IPR036574	Knottin, scorpion toxin-like superfamily	Homologous Superfamily
B, C	IPR018218	Scorpion long chain toxin	Family
B, C	IPR002061	Scorpion long chain toxin/defensin	Family
B, C	IPR003614	Knottins-like	Domain
B, C	IPR044062	LCN-type cysteine-stabilized alpha/beta (CS-alpha/beta) domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q15858	paroxysmal extreme pain disorder erythromelalgia epilepsy channelopathy-associated congenital insensitivity to pain, autosomal recessive generalized epilepsy with febrile seizures plus primary erythermalgia neuralgia partial epilepsy Pruritus hereditary sensory and autonomic neuropathy type 2 peripheral neuropathy postherpetic neuralgia generalized epilepsy with febrile seizures plus, type 7 early myoclonic encephalopathy neuropathy, hereditary sensory and autonomic, type 2A paroxysmal extreme pain disorder erythromelalgia epilepsy channelopathy-associated congenital insensitivity to pain, autosomal recessive generalized epilepsy with febrile seizures plus primary erythermalgia neuralgia partial epilepsy Pruritus hereditary sensory and autonomic neuropathy type 2 peripheral neuropathy postherpetic neuralgia generalized epilepsy with febrile seizures plus, type 7 early myoclonic encephalopathy neuropathy, hereditary sensory and autonomic, type 2A tinea pedis lung cancer peripheral nervous system disease urethritis malignant ependymoma pituitary cancer generalized epilepsy with febrile seizures plus, type 2 hemorrhoid Lennox-Gastaut syndrome developmental and epileptic encephalopathy, 6 status epilepticus tinea corporis malignant mesothelioma Morvan syndrome bipolar disorder Riley-Day syndrome Herpesviridae infectious disease Charcot-Marie-Tooth disease intellectual disability pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Dravet syndrome Pediculus humanus capitis infestation epilepsy with generalized tonic-clonic seizures trigeminal neuralgia malignant colon neoplasm pilocytic astrocytoma familial infantile myoclonic epilepsy premature ejaculation glossopharyngeal neuralgia Pthirus pubis infestation hereditary sensory and autonomic neuropathy scabies osteosarcoma cystic fibrosis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Voltage-gated calcium and sodium channels

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	Voltage-Gated Sodium Channel (Na_V), human/cockroach chimera

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B, C	NH2	RESID: AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100 PSI-MOD : L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109

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.