1zvg

Crystal Structure Of Mutant K8DP9S Of Scorpion alpha-Like Neurotoxin Bmk M1 From Buthus Martensii Karsch

Method: X-RAY DIFFRACTION

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

Alpha-like neurotoxin BmK-I

Mesobuthus martensii

UniProt P45697

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SCX1_MESMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–66; UniProt 19–83

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_id1zvg
Deposition date deposition_date2005-06-02
Structure title titleCrystal Structure Of Mutant K8DP9S Of Scorpion alpha-Like Neurotoxin Bmk M1 From Buthus Martensii Karsch
Keywords keywordsscorpion alpha-like toxin, BMK M1, mutant, mammal/insect selectivity, Toxin; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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.

1zvg__assembly_1__model_1

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

Download this curve (.dat)

1zvg__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.

1zvg__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)12.11 Å
Rg (electron density)10.96 Å
Total Rg12.23 Å
Atom count515
Residues66
Excluded volume8941 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1zvg__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 (2)

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1zvga1
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
Domain ID domain_idd1zvga2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1zvgA00
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)