8t6l

Cryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B

Method: ELECTRON MICROSCOPY Dmax: 120.4 Å Quality: REASONABLE

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

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

Aequorea victoria

UniProt P15389

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 4 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–1931 Mutation:A33T,G214D ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 LBN 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 10 Y01 CHOLESTEROL HEMISUCCINATE × 11 9Z9 (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en × 2 YIJ (1R)-1-[(5aR,7aR,9R,11aS,11bS,12R,13aR)-9,12-dihydroxy-2,11a-dimethyl-1,2,3,4,7a,8,9,10,11,11a,12,13-dodecahydro-7H-9,11b-epoxy-13a,5a-prop[1]enophenanthro[2,1-f][1,4]oxazepin-14-yl]ethyl benzoate × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.30 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.

6 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SCN5A_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1613; UniProt 1–1931

Sodium channel protein type 5 subunit alpha,Green fluorescent protein

Aequorea victoria

UniProt P42212

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 4 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–238 Mutation:A33T,G214D ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 LBN 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 10 Y01 CHOLESTEROL HEMISUCCINATE × 11 9Z9 (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en × 2 YIJ (1R)-1-[(5aR,7aR,9R,11aS,11bS,12R,13aR)-9,12-dihydroxy-2,11a-dimethyl-1,2,3,4,7a,8,9,10,11,11a,12,13-dodecahydro-7H-9,11b-epoxy-13a,5a-prop[1]enophenanthro[2,1-f][1,4]oxazepin-14-yl]ethyl benzoate × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.30 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.

568 other PDB entries and 744 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GFP_AEQVI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1628–1864; UniProt 2–238

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 8t6l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8t6l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8t6l
Deposition date deposition_date2023-06-16
Structure title titleCryo-EM structure of rat cardiac sodium channel NaV1.5 with batrachotoxin analog BTX-B
Keywords keywordsIon channel, Sodium channel, Voltage-gated channel, Sodium transport, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier37.81
Radius of gyration Rg (electron density) rg_electron36.41
Forward intensity I(0) i0281396000.00
Molecular weight molecular_weight155970.0 kDa
Excluded volume excluded_volume203490 ų
Envelope volume envelope_volume265970 ų
Hydration-shell volume shell_volume59775 ų
Envelope diameter envelope_diameter127.6
Shell Rg shell_rg43.47
Envelope Rg envelope_rg36.68
Shape Rg shape_rg36.43
Total Rg total_rg36.86
Total atoms total_atoms10979
Residues n_residues1237
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 dmax120.4
Rg (real space) rg_real37.64
Rg uncertainty (real space) rg_real_error0.90
I(0) (real space) i0_real2.8140e+08
I(0) uncertainty (real space) i0_real_error4.6260e+06
Rg (reciprocal space) rg_reciprocal37.75
I(0) (reciprocal space) i0_reciprocal281400000.0000
Solution quality estimate total_estimate0.6764
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.7
Skewness Skewness skewness0.192
Kurtosis Kurtosis kurtosis-0.366
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27910000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 0.080; Positv: 1.000; Valcen: 0.983; Smooth: 0.875

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)