6a91

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

Method: ELECTRON MICROSCOPY Dmax: 124.4 Å Quality: GOOD

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

Sodium channel protein PaFPC1

Periplaneta americana

UniProt D0E0C2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–1553 Not recorded Mu-diguetoxin-Dc1a × 1 (P49126) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 PC1 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 2 9SL [(3aS,4R,10aS)-2,6-diamino-10,10-dihydroxy-3a,4,9,10-tetrahydro-3H,8H-pyrrolo[1,2-c]purin-4-yl]methyl carbamate × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.20 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

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 Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 39–94 Not recorded Sodium channel protein PaFPC1 × 1 (D0E0C2) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 PC1 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 2 9SL [(3aS,4R,10aS)-2,6-diamino-10,10-dihydroxy-3a,4,9,10-tetrahydro-3H,8H-pyrrolo[1,2-c]purin-4-yl]methyl carbamate × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.20 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

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.

SAXS scattering curve SAXS Profile

SAXS profile for 6a91

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6a91
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6a91
Deposition date deposition_date2018-07-11
Structure title titleComplex of voltage-gated sodium channel NavPaS from American cockroach Periplaneta americana bound with saxitoxin and Dc1a
Keywords keywordscomplex, sodium channel, toxin, MEMBRANE PROTEIN, MEMBRANE PROTEIN-TOXIN complex; MEMBRANE PROTEIN/TOXIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier39.52
Radius of gyration Rg (electron density) rg_electron38.17
Forward intensity I(0) i0325721000.00
Molecular weight molecular_weight158340.0 kDa
Excluded volume excluded_volume202820 ų
Envelope volume envelope_volume287160 ų
Hydration-shell volume shell_volume61659 ų
Envelope diameter envelope_diameter134.8
Shell Rg shell_rg44.72
Envelope Rg envelope_rg38.38
Shape Rg shape_rg38.16
Total Rg total_rg38.67
Total atoms total_atoms11179
Residues n_residues1380
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax124.4
Rg (real space) rg_real39.30
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real3.2570e+08
I(0) uncertainty (real space) i0_real_error5.6250e+06
Rg (reciprocal space) rg_reciprocal39.44
I(0) (reciprocal space) i0_reciprocal325800000.0000
Solution quality estimate total_estimate0.8870
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary52.9
Skewness Skewness skewness0.172
Kurtosis Kurtosis kurtosis-0.369
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha37280000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.841

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id6a91B00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
Homologous superfamily homologous superfamily120

8. Citations (1)

9. Files and Curves (10)