3IES: Firefly luciferase inhibitor complex

Firefly luciferase inhibitor complex. Determined by X-ray diffraction at 2.0 Å resolution. Released 16 Feb 2010.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Photinus pyralis
Chains
1
Atoms
3,661
Mol. weight
61.53 kDa
Ligands
M24
Released
16 Feb 2010

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

Secondary structure: helices and β-sheets

3IES contains 21 α-helices and 27 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: 21 helices, 27 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-helix133-1408
β-strand148-15143
β-strand15814
β-strand16114
β-strand16313
α-helix164-1718
α-helix172-1732
β-strand192-19763
β-strand207-21153
α-helix212-22312
β-strand236-23942
α-helix246-25712
β-strand261-26442
α-helix270-27910
β-strand284-28742
α-helix289-2979
α-helix301-3033
β-strand311-31552
α-helix321-33010
β-strand337-34152
α-helix343-3453
β-strand348-35142
β-strand36311
β-strand364-36522
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-strand432-43761

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Luciferin 4-monooxygenaseAprotein551Photinus pyralisP08659 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3IES_1 Luciferin 4-monooxygenase (chains A)
MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYALVPGTIAFTDAHIEVNITYAEYFEMS
VRLAEAMKRYGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAPANDIYNERELLNSMNI
SQPTVVFVSKKGLQKILNVQKKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFNEYD
FVPESFDRDKTIALIMNSSGSTGLPKGVALPHRTACVRFSHARDPIFGNQIIPDTAILSV
VPFHHGFGMFTTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSALLVPTLFSFFAKSTL
IDKYDLSNLHEIASGGAPLSKEVGEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKPG
AVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVRGPMIMSGYVNNPEATNALIDKDGWLHS
GDIAYWDEDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNIFDAGVAGLPDDDAGEL
PAAVVVLEHGKTMTEKEIVDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDARKIREILI
KAKKGGKSKLV

Ligands and cofactors

IDNameFormulaCopies
M245'-O-[(R)-[({3-[5-(2-fluorophenyl)-1,2,4-oxadiazol-3-yl]phenyl}carbonyl)oxy](hy…C25 H21 F N7 O9 P1

Primary citation

Molecular basis for the high-affinity binding and stabilization of firefly luciferase by PTC124. Auld, D.S., Lovell, S., Thorne, N. et al. Proc Natl Acad Sci U S A (2010) 107:4878-4883. DOI 10.1073/pnas.0909141107 · 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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