1kbt

SOLUTION STRUCTURE OF CARDIOTOXIN IV, NMR, 12 STRUCTURES

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

CTX IV

OrganismNot specified

UniProt P01443

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 CTX4_NAJAT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–60; UniProt 22–81

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1kbt
Deposition date deposition_date1996-07-22
Structure title titleSOLUTION STRUCTURE OF CARDIOTOXIN IV, NMR, 12 STRUCTURES
Keywords keywordsVENOM, CYTOTOXIN, CARDIOTOXIN, MULTIGENE FAMILY; CYTOTOXIN
Experimental Method methodSOLUTION NMR
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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.

1kbt__assembly_1__model_9

Assembly 1 · Model 9 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1kbt__assembly_1__model_9 | I(q)

10-2 10-1 104 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1kbt__assembly_1__model_9 | 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)12.31 Å
Rg (electron density)11.36 Å
Total Rg12.74 Å
Atom count956
Residues60
Excluded volume8547 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1kbt__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1kbt__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1kbt__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1kbt__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1kbt__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1kbt__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1kbt__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1kbt__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1kbt__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1kbt__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1kbt__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1kbt__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (1)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1kbta_
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins

CATH v4.4 (1 domains)

Domain ID domain_id1kbtA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59
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7. Citations (2)