1ijc

Solution Structure of Bucandin, a Neurotoxin from the Venom of the Malayan Krait

Method: SOLUTION NMR

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

bucandin

OrganismNot specified

UniProt P81782

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 BUCA_BUNCA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–63; UniProt 1–63

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_id1ijc
Deposition date deposition_date2001-04-25
Structure title titleSolution Structure of Bucandin, a Neurotoxin from the Venom of the Malayan Krait
Keywords keywordsthree-finger motif, two antiparallel beta-sheets, two and four stranded beta-sheets, 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.

1ijc__assembly_1__model_6

Assembly 1 · Model 6 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ijc__assembly_1__model_6 | I(q)

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

1ijc__assembly_1__model_6 | 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)12.33 Å
Rg (electron density)11.51 Å
Total Rg12.66 Å
Atom count973
Residues63
Excluded volume8880 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ijc__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1ijc__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1ijc__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1ijc__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1ijc__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1ijc__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1ijc__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1ijc__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1ijc__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1ijc__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1ijc__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1ijc__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1ijc__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1ijc__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1ijc__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1ijc__assembly_1__model_16 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1ijc__assembly_1__model_17 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1ijc__assembly_1__model_18 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1ijc__assembly_1__model_19 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1ijc__assembly_1__model_20 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_idd1ijca_
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_id1ijcA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

7. Citations (2)