3RIX: Luciferin 4-monooxygenase

1.7A resolution structure of a firefly luciferase-Aspulvinone J inhibitor complex. Determined by X-ray diffraction at 1.7 Å resolution. Released 7 Dec 2011.

Method
X-ray diffraction
Resolution
1.7 Å
Organism
Photinus pyralis
Chains
1
Atoms
3,673
Mol. weight
61.28 kDa
Ligands
923
Released
7 Dec 2011

Explore 3RIX in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3RIX contains 22 α-helices and 28 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 22 helices, 28 β-strands

ElementResiduesLengthSheet
α-helix4-63
β-strand8-921
α-helix16-194
α-helix22-3413
β-strand40-4452
β-strand50-5232
α-helix53-7018
β-strand77-8153
α-helix89-9810
β-strand101-10443
α-helix111-12111
β-strand125-12843
α-helix130-1323
α-helix133-14210
β-strand148-15143
β-strand15814
β-strand16114
β-strand16313
α-helix164-1718
α-helix172-1732
β-strand192-19763
β-strand207-21153
α-helix212-22211
β-strand236-23942
α-helix246-25813
β-strand261-26442
α-helix270-27910
β-strand284-28742
α-helix289-2979
α-helix300-3034
β-strand311-31442
α-helix321-33010
β-strand337-33822
β-strand339-34135
α-helix343-3453
β-strand348-35145
α-helix352-3532
β-strand361-36331
β-strand364-36525
α-helix3661
β-strand370-37451
α-helix3801
β-strand38111
α-helix3821
β-strand388-39361
β-strand400-40123
α-helix405-4117
β-strand41211
β-strand418-42691
β-strand432-43431

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Luciferin 4-monooxygenaseAprotein550Photinus pyralisP08659 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3RIX_1 Luciferin 4-monooxygenase (chains A)
MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYALVPGTIAFTDAHIEVNITYAEYFEMS
VRLAEAMKRYGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAPANDIYNERELLNSMNI
SQPTVVFVSKKGLQKILNVQKKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFNEYD
FVPESFDRDKTIALIMNSSGSTGLPKGVALPHRTACVRFSHARDPIFGNQIIPDTAILSV
VPFHHGFGMFTTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSALLVPTLFSFFAKSTL
IDKYDLSNLHEIASGGAPLSKEVGEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKPG
AVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVRGPMIMSGYVNNPEATNALIDKDGWLHS
GDIAYWDEDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNIFDAGVAGLPDDDAGEL
PAAVVVLEHGKTMTEKEIVDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDARKIREILI
KAKKGGKSKL

Ligands and cofactors

IDNameFormulaCopies
923(5Z)-4-hydroxy-3-[(2R)-2-(2-hydroxypropan-2-yl)-2,3-dihydro-1-benzofuran-5-yl]-…C27 H28 O71

Primary citation

Titration-based screening for evaluation of natural product extracts: identification of an aspulvinone family of luciferase inhibitors. Cruz, P.G., Auld, D.S., Schultz, P.J. et al. Chem Biol (2011) 18:1442-1452. DOI 10.1016/j.chembiol.2011.08.011 · PubMed

Other PDB entries of the same protein (UniProt P08659 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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