8DTA | pdb_00008dta

Metal sensitive GFP (mseGFP) complexed with phenylarsine oxide.

• PDB DOI: https://doi.org/10.2210/pdb8DTA/pdb

• Classification: FLUORESCENT PROTEIN
• Organism(s): Aequorea victoria
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-07-25 Released: 2023-07-05 
• Deposition Author(s): Rosenbaum, J.C., Carlson, A.E.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free: 
  0.183 (Depositor), 0.183 (DCC) 
• R-Value Work: 
  0.164 (Depositor), 0.165 (DCC) 
• R-Value Observed: 
  0.165 (Depositor) 

Starting Model: experimental

Literature

Glutathione modulates metal binding to proteins.

Rosenbaum, J.C., Carlson, A.E.

(null) Tbd 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: microscopy

Macromolecule Content 

• Total Structure Weight: 27.74 kDa 
• Atom Count: 2,172 
• Modeled Residue Count: 235 
• Deposited Residue Count: 238 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Green fluorescent protein	A	238	Aequorea victoria	Mutation(s): 5  Gene Names: GFP
UniProt
Find proteins for P42212 (Aequorea victoria) Explore P42212  Go to UniProtKB:  P42212

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PA0 (Subject of Investigation/LOI)	G [auth A]	Phenylarsine oxide C6 H5 As O BQVCCPGCDUSGOE-UHFFFAOYSA-N
PEG	E [auth A], F [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CA	D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CRO	A	L-PEPTIDE LINKING	C15 H17 N3 O5		THR, TYR, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free:  0.183 (Depositor), 0.183 (DCC) 
• R-Value Work:  0.164 (Depositor), 0.165 (DCC) 
• R-Value Observed: 0.165 (Depositor) 

Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 126.802	α = 90
b = 126.802	β = 90
c = 126.802	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-07-05 
Deposition Author(s): Rosenbaum, J.C., Carlson, A.E.

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Funding Organization	Location	Grant Number
Other private	United States	--

Revision History  

• Version 1.0: 2023-07-05
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description
• Version 1.2: 2023-11-15
  Changes: Data collection
• Version 2.0: 2024-01-31
  Type: Coordinate replacement
  Reason: Ligand geometry
  Changes: Advisory, Atomic model, Database references, Derived calculations, Polymer sequence, Refinement description, Source and taxonomy, Structure summary
• Version 2.1: 2024-11-06
  Changes: Structure summary
• Version 3.0: 2026-03-18
  Changes: Polymer sequence