Crystal structure of a red-emitter mutant of Lampyris turkestanicus luciferase

Experimental Data Snapshot

  • Resolution: 2.13 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 

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Crystal structure of native and a mutant of Lampyris turkestanicus luciferase implicate in bioluminescence color shift.

Kheirabadi, M.Sharafian, Z.Naderi-Manesh, H.Heineman, U.Gohlke, U.Hosseinkhani, S.

(2013) Biochim Biophys Acta 1834: 2729-2735

  • DOI: https://doi.org/10.1016/j.bbapap.2013.09.022
  • Primary Citation of Related Structures:  
    3QYA, 4M46

  • PubMed Abstract: 

    Firefly bioluminescence reaction in the presence of Mg(2+), ATP and molecular oxygen is carried out by luciferase. The luciferase structure alterations or modifications of assay conditions determine the bioluminescence color of firefly luciferase. Among different beetle luciferases, Phrixothrix hirtus railroad worm emits either yellow or red bioluminescence color. Sequence alignment analysis shows that the red-emitter luciferase from Phrixothrix hirtus has an additional arginine residue at 353 that is absent in other firefly luciferases. It was reported that insertion of Arg in an important flexible loop350-359 showed changes in bioluminescence color from green to red and the optimum temperature activity was also increased. To explain the color tuning mechanism of firefly luciferase, the structure of native and a mutant (E354R/356R/H431Y) of Lampyris turkestanicus luciferase is determined at 2.7Å and 2.2Å resolutions, respectively. The comparison of structure of both types of Lampyris turkestanicus luciferases reveals that the conformation of this flexible loop is significantly changed by addition of two Arg in this region. Moreover, its surface accessibility is affected considerably and some ionic bonds are made by addition of two positive charge residues. Furthermore, we noticed that the hydrogen bonding pattern of His431 with the flexible loop is changed by replacing this residue with Tyr at this position. Juxtaposition of a flexible loop (residues 351-359) in firefly luciferase and corresponding ionic and hydrogen bonds are essential for color emission.

  • Organizational Affiliation

    Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran 14115-175, Iran; Department of Biology, Faculty of Science, Hakim Sabzevari University, Khorasan razavi, Sabzevar 17976-487, Iran.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Luciferase582Lampyris turkestanicusMutation(s): 2 
Find proteins for Q5UFR2 (Lampyris turkestanicus)
Explore Q5UFR2 
Go to UniProtKB:  Q5UFR2
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ5UFR2
Sequence Annotations
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
Query on PEG

Download Ideal Coordinates CCD File 
C4 H10 O3
Query on GOL

Download Ideal Coordinates CCD File 
C3 H8 O3
Query on EDO

Download Ideal Coordinates CCD File 
B [auth A]
C [auth A]
D [auth A]
E [auth A]
F [auth A]
B [auth A],
C [auth A],
D [auth A],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
J [auth A],
K [auth A],
L [auth A]
C2 H6 O2
Experimental Data & Validation

Experimental Data

  • Resolution: 2.13 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.165 
  • R-Value Observed: 0.167 
  • Space Group: P 41
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 85.009α = 90
b = 85.009β = 90
c = 97.097γ = 90
Software Package:
Software NamePurpose
XSCALEdata scaling
PDB_EXTRACTdata extraction

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-03-07
    Type: Initial release
  • Version 1.1: 2014-03-26
    Changes: Database references
  • Version 1.2: 2023-09-13
    Changes: Data collection, Database references, Derived calculations, Refinement description