1mvi

N-TYPE CALCIUM CHANNEL BLOCKER, OMEGA-CONOTOXIN MVIIA, NMR, 15 STRUCTURES

Method: SOLUTION NMR Dmax: 24.9 Å Quality: GOOD

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

MVIIA

Conus magus

UniProt P05484

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–25 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer SOLUTION NMR NMR measurement conditions:pH 3;293 K Resolution not provided

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.

8 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CXO7A_CONMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–25; UniProt 1–25

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 1mvi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1mvi
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1mvi
Deposition date deposition_date1996-08-02
Structure title titleN-TYPE CALCIUM CHANNEL BLOCKER, OMEGA-CONOTOXIN MVIIA, NMR, 15 STRUCTURES
Keywords keywordsCONUS MAGUS PEPTIDE SPECIFIC TO N-TYPE VOLTAGE SENSITIVE CALCIUM CHANNEL, NEUROTOXIN; NEUROTOXIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier6.83
Radius of gyration Rg (electron density) rg_electron7.38
Forward intensity I(0) i032402700.00
Molecular weight molecular_weight39753.0 kDa
Excluded volume excluded_volume47039 ų
Envelope volume envelope_volume5530 ų
Hydration-shell volume shell_volume5699 ų
Envelope diameter envelope_diameter29.8
Shell Rg shell_rg13.68
Envelope Rg envelope_rg9.16
Shape Rg shape_rg7.33
Total Rg total_rg7.78
Total atoms total_atoms5325
Residues n_residues375
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 dmax24.9
Rg (real space) rg_real6.82
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real3.2400e+07
I(0) uncertainty (real space) i0_real_error3.2220e+05
Rg (reciprocal space) rg_reciprocal6.82
I(0) (reciprocal space) i0_reciprocal32400000.0000
Solution quality estimate total_estimate0.8251
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary8.8
Skewness Skewness skewness0.371
Kurtosis Kurtosis kurtosis0.239
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5302.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.649; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.934; Smooth: 0.843

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1mvia_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.6 — omega toxin-like
Family Family familyg.3.6.1 — Conotoxin

8. Citations (1)

9. Files and Curves (10)