8W16 | pdb_00008w16

Pyroglutamaic acid position 1 synthetic analogue of RgIA

• PDB DOI: https://doi.org/10.2210/pdb8W16/pdb
• BMRB: 31147

• Classification: STRUCTURAL PROTEIN
• Organism(s): Conus regius
• Mutation(s): No 


• Deposited: 2024-02-15 Released: 2025-03-05 
• Deposition Author(s): Agwa, A.J.
• Funding Organization(s): F. Hoffmann-La Roche LTD

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 20 
• Conformers Submitted: 20 
• Selection Criteria: all calculated structures submitted 

Literature

On-resin bicyclization improves synthesis of alpha-conotoxin RgIA4-6

Giribaldi, J., Agwa, A.J., Schroeder, C.I.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: NMR Distance Restraints

Macromolecule Content 

• Total Structure Weight: 1.94 kDa 
• Atom Count: 123 
• Modeled Residue Count: 15 
• Deposited Residue Count: 15 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-conotoxin RgIA	A	15	Conus regius	Mutation(s): 0
UniProt
Find proteins for P0C1D0 (Conus regius) Explore P0C1D0  Go to UniProtKB:  P0C1D0

Small Molecules

Modified Residues  2 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
PCA	A	GLN	Pyrrolidone carboxylic acid	C5 H7 N O3
IYR	A	TYR	Iodination	C9 H10 I N O3

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 20 
• Conformers Submitted: 20 
• Selection Criteria: all calculated structures submitted 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-03-05 
Deposition Author(s): Agwa, A.J.

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Funding Organization	Location	Grant Number
F. Hoffmann-La Roche LTD	Switzerland	--

Revision History  

• Version 1.0: 2025-03-05
  Type: Initial release