8SXC | pdb_00008sxc

Crystal Structure of Fluorescent Protein Fusion Red 2

• PDB DOI: https://doi.org/10.2210/pdb8SXC/pdb

• Classification: FLUORESCENT PROTEIN
• Organism(s): Entacmaea quadricolor
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-05-21 Released: 2024-02-07 
• Deposition Author(s): Pletnev, S., Pletneva, N., Pletnev, V.
• Funding Organization(s): Russian Science Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.219 (Depositor), 0.216 (DCC) 
• R-Value Work: 
  0.161 (Depositor), 0.162 (DCC) 
• R-Value Observed: 
  0.163 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Fluorescent Protein Fusion Red 2

Pletnev, S., Pletneva, N., Pletnev, V.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 28.24 kDa 
• Atom Count: 2,006 
• Modeled Residue Count: 230 
• Deposited Residue Count: 243 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Far-red Fluorescent Protein Fusion Red 2	A	243	Entacmaea quadricolor	Mutation(s): 0
UniProt
Find proteins for D0VX33 (Entacmaea quadricolor) Explore D0VX33  Go to UniProtKB:  D0VX33

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
P6G	B [auth A]	HEXAETHYLENE GLYCOL C12 H26 O7 IIRDTKBZINWQAW-UHFFFAOYSA-N
GOL	C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NO3	E [auth A], F [auth A]	NITRATE ION N O3 NHNBFGGVMKEFGY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
NRQ	A	L-PEPTIDE LINKING	C16 H17 N3 O4 S		MET, TYR, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.219 (Depositor), 0.216 (DCC) 
• R-Value Work:  0.161 (Depositor), 0.162 (DCC) 
• R-Value Observed: 0.163 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.155	α = 90
b = 81.442	β = 90
c = 42.539	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
HKL-2000	data reduction
MOLREP	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2024-02-07 
Deposition Author(s): Pletnev, S., Pletneva, N., Pletnev, V.

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Funding Organization	Location	Grant Number
Russian Science Foundation	Russian Federation	23-24-00011

Revision History  

• Version 1.0: 2024-02-07
  Type: Initial release
  
• Version 2.0: 2026-03-18
  Changes: Polymer sequence, Structure summary