1iva

STRUCTURE-ACTIVITY RELATIONSHIPS FOR P-TYPE CALCIUM CHANNEL SELECTIVE OMEGA-AGATOXINS

Method: SOLUTION NMR
▼

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

OMEGA-AGATOXIN-IVA

Agelenopsis aperta

UniProt P30288

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 TOG4A_AGEAP
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–48; UniProt 1–48

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_id1iva
Deposition date deposition_date1994-10-27
Structure title titleSTRUCTURE-ACTIVITY RELATIONSHIPS FOR P-TYPE CALCIUM CHANNEL SELECTIVE OMEGA-AGATOXINS
Keywords keywordsNEUROTOXIN; NEUROTOXIN
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.

1iva__assembly_1__model_5

Assembly 1 · Model 5 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1iva__assembly_1__model_5 | I(q)

10-2 10-1 104 105 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1iva__assembly_1__model_5 | 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)11.43 Å
Rg (electron density)10.76 Å
Total Rg12.30 Å
Atom count716
Residues48
Excluded volume6410 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1iva__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1iva__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1iva__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1iva__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1iva__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1iva__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1iva__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1iva__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1iva__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1iva__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1iva__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1iva__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1iva__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1iva__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1iva__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1iva__assembly_1__model_16 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_idd1ivaa_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.6 — omega toxin-like
Family Family familyg.3.6.2 — Spider toxins

CATH v4.4 (1 domains)

Domain ID domain_id1ivaA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology40 — Omega-AgatoxinV
Homologous superfamily homologous superfamily10 —
▶

7. Citations (3)