4NQG

Crystal Structure of Ca(2+)-regulated photoprotein mitrocomin from Jellyfish Mitrocoma cellularia at 1.3 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb4NQG/pdb

• Classification: LUMINESCENT PROTEIN
• Organism(s): Mitrocoma cellularia
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-11-25 Released: 2014-11-26 
• Deposition Author(s): Natashin, P.V., Vysotski, E.S., Liu, Z.J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.162 

Literature

Multiple Isospecies of Ca(2+)-regulated Photoprotein Mitrocomin from Jellyfish Mitrocoma cellularia: Cloning, Characterization, and Crystal Structure

Burakova, L.P., Natashin, P.V., Markova, S.V., Eremeeva, E.V., Shimomura, O., Liu, Z.J., Vysotski, E.S.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.06 kDa 
• Atom Count: 3,783 
• Modelled Residue Count: 394 
• Deposited Residue Count: 394 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitrocomin	A, B	197	Mitrocoma cellularia	Mutation(s): 0  Gene Names: MI17
UniProt
Find proteins for P39047 (Mitrocoma cellularia) Explore P39047  Go to UniProtKB:  P39047

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CZH	C [auth A], D [auth B]	C2-HYDROPEROXY-COELENTERAZINE C26 H21 N3 O5 HOSWCJDTHOAORT-SANMLTNESA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.162 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.898	α = 90
b = 69.682	β = 90.03
c = 49.929	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-11-26 
Deposition Author(s): Natashin, P.V., Vysotski, E.S., Liu, Z.J.

Revision History  

• Version 1.0: 2014-11-26
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description