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1xga

ALPHA CONOTOXIN GI: 2-7;3-13 (NATIVE) DISULFIDE BOND ISOMER, NMR, 35 STRUCTURES

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

ALPHA-CONOTOXIN GI

OrganismNot specified

UniProt P01519

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

Monomer
1not 1qs3 1xga 1xgb 1xgc 2fr9 2frb

7 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name CXAA_CONGE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–13； UniProt 1–13

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_id1xga
Deposition date deposition_date1998-01-18
Structure title titleALPHA CONOTOXIN GI: 2-7;3-13 (NATIVE) DISULFIDE BOND ISOMER, NMR, 35 STRUCTURES
Keywords keywordsALPHA-CONOTOXIN, NICOTINIC ACETYLCHOLINE RECEPTOR, DISULFIDE BOND ISOMERS, TOXIN; TOXIN
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.

1xga__assembly_1__model_18

Assembly 1 · Model 18 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1xga__assembly_1__model_18 | I(q)

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

1xga__assembly_1__model_18 | 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）7.46 Å
Rg (electron density)6.12 Å
Total Rg7.72 Å
Atom count178
Residues13
Excluded volume1630 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xga__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1xga__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1xga__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1xga__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1xga__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1xga__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1xga__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1xga__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1xga__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1xga__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1xga__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1xga__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1xga__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1xga__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1xga__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1xga__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1xga__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1xga__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1xga__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1xga__assembly_1__model_20 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 21 1xga__assembly_1__model_21 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 22 1xga__assembly_1__model_22 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 23 1xga__assembly_1__model_23 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 24 1xga__assembly_1__model_24 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 25 1xga__assembly_1__model_25 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 26 1xga__assembly_1__model_26 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 27 1xga__assembly_1__model_27 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 28 1xga__assembly_1__model_28 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 29 1xga__assembly_1__model_29 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 30 1xga__assembly_1__model_30 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 31 1xga__assembly_1__model_31 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 32 1xga__assembly_1__model_32 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 33 1xga__assembly_1__model_33 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 34 1xga__assembly_1__model_34 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 35 1xga__assembly_1__model_35 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) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1xgaa_
Class classj — Peptides
Fold Fold foldj.30 — Conotoxins
Superfamily Superfamily superfamilyj.30.1 — Conotoxins
Family Family familyj.30.1.2 — alpha-conotoxin
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7. Citations (1)