6p6y

Crystal structure of voltage-gated sodium channel NavAb V100C/Q150C disulfide crosslinked mutant in the activated state

Method: X-RAY DIFFRACTION Dmax: 87.4 Å Quality: GOOD

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

Ion transport protein

Arcobacter butzleri (strain RM4018)

UniProt A8EVM5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–239 Mutation:V100C, Q150C CPS 3-[(3-CHOLAMIDOPROPYL)DIMETHYLAMMONIO]-1-PROPANESULFONATE × 8 PX4 1,2-DIMYRISTOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 20 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.8;277 K;1.8 M ammonium sulfate 0.1 M sodium citrate pH 4.8 Resolution 2.89 Å R-free 0.273

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.

71 other PDB entries and 73 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A8EVM5_ARCB4
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 19–257; UniProt 1–239

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 6p6y

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6p6y
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6p6y
Deposition date deposition_date2019-06-04
Structure title titleCrystal structure of voltage-gated sodium channel NavAb V100C/Q150C disulfide crosslinked mutant in the activated state
Keywords keywordsIon channel, ion transport protein, MEMBRANE PROTEIN, metal transport; membrane protein, metal transport
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.64
Radius of gyration Rg (electron density) rg_electron26.01
Forward intensity I(0) i011560200.00
Molecular weight molecular_weight31264.0 kDa
Excluded volume excluded_volume41494 ų
Envelope volume envelope_volume54458 ų
Hydration-shell volume shell_volume18467 ų
Envelope diameter envelope_diameter89.1
Shell Rg shell_rg31.54
Envelope Rg envelope_rg25.53
Shape Rg shape_rg26.07
Total Rg total_rg26.60
Total atoms total_atoms2201
Residues n_residues242
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 dmax87.4
Rg (real space) rg_real27.64
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real1.1560e+07
I(0) uncertainty (real space) i0_real_error1.6080e+05
Rg (reciprocal space) rg_reciprocal27.64
I(0) (reciprocal space) i0_reciprocal11560000.0000
Solution quality estimate total_estimate0.8749
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary41.4
Skewness Skewness skewness0.098
Kurtosis Kurtosis kurtosis-0.710
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha718400.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.852; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.888; Smooth: 0.925

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6p6ya1
Class classf — Membrane and cell surface proteins and peptides
Fold Fold foldf.14 — Gated ion channels
Superfamily Superfamily superfamilyf.14.1 — Voltage-gated ion channels
Family Family familyf.14.1.2 — Voltage-gated Na/Ca cation channels
Domain ID domain_idd6p6ya2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id6p6yA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily350 — Voltage-gated potassium channels. Chain C
Domain ID domain_id6p6yA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily70

8. Citations (1)

9. Files and Curves (10)