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3IER

Firefly luciferase apo structure (P41 form) with PEG 400 bound

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Luciferin 4-monooxygenasepolymer55160918.11UniProt (P08659)
Pfam (PF00501)
Pfam (PF13193)
Photinus pyralis (North American firefly)Luciferase
2B
(A)
TETRAETHYLENE GLYCOLnon-polymer194.21Chemie (PG4)
3C
(A)
waterwater18.0197Chemie (HOH)
Sequence modifications
A: 1 - 550 (UniProt: P08659)
PDBExternal DatabaseDetails
Val 551-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight60918.1
Non-Polymers*Number of molecules1
Total formula weight194.2
All*Total formula weight61112.3
*Water molecules are not included.

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PDB entries from 2025-06-18

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