1era

TERTIARY STRUCTURE OF ERABUTOXIN B IN AQUEOUS SOLUTION ELUCIDATED BY TWO-DIMENSIONAL NUCLEAR MAGNETIC RESONANCE

Method: SOLUTION NMR

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

ERABUTOXIN B

Laticauda semifasciata

UniProt Q90VW1

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 NXSB_LATSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–62; UniProt 22–83

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_id1era
Deposition date deposition_date1994-03-28
Structure title titleTERTIARY STRUCTURE OF ERABUTOXIN B IN AQUEOUS SOLUTION ELUCIDATED BY TWO-DIMENSIONAL NUCLEAR MAGNETIC RESONANCE
Keywords keywordsTOXIN; 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.

1era__assembly_1__model_1

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

Download this curve (.dat)

1era__assembly_1__model_1 | I(q)

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

1era__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)12.20 Å
Rg (electron density)11.42 Å
Total Rg12.61 Å
Atom count920
Residues62
Excluded volume8267 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1era__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_idd1eraa_
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_id1eraA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

7. Citations (1)