SAXSdb — 6a95

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein PaFPC1

Periplaneta americana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 2 其他Polymer 2	Mu-diguetoxin-Dc1a × 1 （P49126） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;(1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.1~7,11~.0~1,6~]tetradec-3-ene-5,9,12,13,14-pentol (non-preferred name) ; × 1 SODIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SCNA1_PERAM
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 44–1596； UniProt 1–1553

Mu-diguetoxin-Dc1a

Diguetia canities

UniProt P49126

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 2 其他Polymer 2	Sodium channel protein PaFPC1 × 1 （D0E0C2） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;(1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.1~7,11~.0~1,6~]tetradec-3-ene-5,9,12,13,14-pentol (non-preferred name) ; × 1 SODIUM ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TXI92_DIGCA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 2–57； UniProt 39–94

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	6a95
Deposition date deposition_date	2018-07-11
Structure title title	Complex of voltage-gated sodium channel NavPaS from American cockroach Periplaneta americana bound with tetrodotoxin and Dc1a
Keywords keywords	complex, sodium channel, toxin, MEMBRANE PROTEIN, MEMBRANE PROTEIN-TOXIN complex; MEMBRANE PROTEIN/TOXIN
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6a95__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6a95__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6a95__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	39.02 Å
Rg (electron density)	37.72 Å
Total Rg	38.22 Å
Atom count	11001
Residues	1364
Excluded volume	199410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6a95__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Description description	Sodium channel protein PaFPC1
Molecular weight formula_weight	183875.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	11002

MASWSHPQFEKGGGARGGSGGGSWSHPQFEKGFDYKDDDDKGTMADNSPLIREERQRLFRPYTRAMLTAPSAQPAKENGKTEENKDNSRDKGRGANKDRDGSAHPDQALEQGSRLPARMRNIFPAELASTPLEDFDPFYKNKKTFVVVTKAGDIFRFSGEKSLWMLDPFTPIRRVAISTMVQPIFSYFIMITILIHCIFMIMPATQTTYILELVFLSIYTIEVVVKVLARGFILHPFAYLRDPWNWLDFLVTLIGYITLVVDLGHLYALRAFRVLRSWRTVTIVPGWRTIVDALSLSITSLKDLVLLLLFSLFVFAVLGLQIYMGVLTQKCVKHFPADGSWGNFTDERWFNYTSNSSHWYIPDDWIEYPLCGNSSGAGMCPPGYTCLQGYGGNPNYGYTSFDTFGWAFLSVFRLVTLDYWEDLYQLALRSAGPWHILFFIIVVFYGTFCFLNFILAVVVMSYTHMVKRADEEKAAERELKKEKKAASVANNTANGQEQTTIEMNGDEAVVIDNNDQAARQQSDPETPAPSVTQRLTDFLCVWDCCVPWQKLQGAIGAVVLSPFFELFIAVIIVLNITFMALDHHDMNIEFERILRTGNYIFTSIYIVEAVLKIIALSPKFYFKDSWNVFDFIIVVFAILELGLEGVQGLSVFRSFRLLRVFRLAKFWPTLNNFMSVMTKSYGAFVNVMYVMFLLLFIFAIIGMQLFGMNYIDNMERFPDGDLPRWNFTDFLHSFMIVFRALCGEWIESMWDCMLVGDWSCIPFFVAVFFVGNLVILNLLIALLLNNYGSFCTSPTSDEEDSKDEDALAQIVRIFKRFKPNLNAVKLSPMKPDSEDIVESQEIQGNNIADAEDVLAGEFPPDCCCNAFYKCFPSRPARDSSVQRMWSNIRRVCFLLAKNKYFQKFVTAVLVITSVLLALEDIYLPQRPVLVNITLYVDYVLTAFFVIEMIIMLFAVGFKKYFTSKWYWLDFIVVVAYLLNFVLMCAGIEALQTLRLLRVFRLFRPLSKVNGMQVVTSTLVEAVPHIFNVILVGIFFWLVFAIMGVQLFAGKFYKCVDENSTVLSHEITMDRNDCLHENYTWENSPMNFDHVGNAYLSLLQVATFKGWLQIMNDAIDSREVHKQPIRETNIYMYLYFIFFIVFGSFFILKLFVCILIDIFRQQRRKAEGLSATDSRTQLIYRRAVMRTMSAKPVKRIPKPTCHPQSLMYDISVNRKFEYTMMILIILNVAVMAIDHYGQSMEFSEVLDYLNLIFIIIFFVECVIKVSGLRHHYFKDPWNIIDFLYVVLAIAGLMLSDVIEKYFISPTLLRILRILRVGRLLRYFQSARGMRLLLLALRKALRTLFNVSFLLFVIMFVYAVFGMEFFMHIRDAGAIDDVYNFKTFGQSIILLFQLATSAGWDGVYFAIANEEDCRAPDHELGYPGNCGSRALGIAYLVSYLIITCLVVINMYAAVILDYVLEVYEDSKEGLTDDDYDMFFEVWQQFDPEATQYIRYDQLSELLEALQPPLQVQKPNKYKILSMNIPICKDDHIFYKDVLEALVKDVFSRRGSPVEAGDVQAPNVDEAEYKPVSSTLQRQREEYCVRLIQNAWRKHKQQN

Source Source

Source organism organism	Periplaneta americana
Common name common_name	American cockroach
NCBI taxonomy ID ncbi_taxonomy_id	6978
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	Mu-diguetoxin-Dc1a
Molecular weight formula_weight	6502.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

SAKDGDVEGPAGCKKYDVECDSGECCQKQYLWYKWRPLDCRCLKSGFFSSKCVCRDV

Source Source

Source organism organism	Diguetia canities
Common name common_name	Desert bush spider
NCBI taxonomy ID ncbi_taxonomy_id	38407
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	nat
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	nat
Copy count entity_count	3

Entity 5 Entity 5 non-polymer

Description description	;(1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.1~7,11~.0~1,6~]tetradec-3-ene-5,9,12,13,14-pentol (non-preferred name) ;
Molecular weight formula_weight	319.3 kDa
Source method src_method	nat
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	nat
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	6a95A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	238 — Recoverin; domain 1
Homologous superfamily homologous superfamily	10 — EF-hand

Domain ID domain_id	6a95B00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
Homologous superfamily homologous superfamily	120 —

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	1

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	2.60 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	742093

Complex of voltage-gated sodium channel NavPaS from American cockroach Periplaneta americana bound with tetrodotoxin and Dc1a

1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein PaFPC1

State in the Current Structure

Other States of the Same Protein in the Database

Mu-diguetoxin-Dc1a

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6a95__assembly_1__model_1

6a95__assembly_1__model_1 | I(q)

6a95__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Complex of voltage-gated sodium channel NavPaS from American cockroach Periplaneta americana bound with tetrodotoxin and Dc1a

1. Protein Identity and Related Structures Protein Identity & Related Structures

Sodium channel protein PaFPC1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Mu-diguetoxin-Dc1a

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6a95__assembly_1__model_1

6a95__assembly_1__model_1 | I(q)

6a95__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)