2b3c

SOLUTION STRUCTURE OF A BETA-NEUROTOXIN FROM THE NEW WORLD SCORPION CENTRUROIDES SCULPTURATUS EWING

Method: SOLUTION NMR
▼

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

PROTEIN (NEUROTOXIN CSE-I)

OrganismNot specified

UniProt P01491

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SCXI_CENSC
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–64; UniProt 19–82

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2b3c
Deposition date deposition_date1998-12-09
Structure title titleSOLUTION STRUCTURE OF A BETA-NEUROTOXIN FROM THE NEW WORLD SCORPION CENTRUROIDES SCULPTURATUS EWING
Keywords keywordsSCORPION NEUROTOXIN, BETA-TOXIN, NEW WORLD TOXIN, TOXIN; TOXIN
Experimental Method methodSOLUTION NMR
▼

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.

2b3c__assembly_1__model_1

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

Download this curve (.dat)

2b3c__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2b3c__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)12.59 Å
Rg (electron density)11.47 Å
Total Rg12.87 Å
Atom count977
Residues64
Excluded volume8976 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2b3c__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2b3ca_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.7 — Scorpion toxin-like
Family Family familyg.3.7.1 — Long-chain scorpion toxins

CATH v4.4 (1 domains)

Domain ID domain_id2b3cA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology30 — Defensin A-like
Homologous superfamily homologous superfamily10 — Knottin, scorpion toxin-like
▶

7. Citations (1)