Fluorescent protein

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C536S023500, C435S320100, C435S325000

Reexamination Certificate

active

07375201

ABSTRACT:
An object of the present invention is to provide a fluorescent protein derived from organisms other thanAequorea victoriaand having a novel primary structure. According to the present invention, there is provided a fluorescent protein derived fromHalcuriassp.L, which has the following properties:(1) the excitation maximum wavelength is 494 nm, and the fluorescence maximum wavelength is 506 nm;(2) the molar absorption coefficient at 494 nm is 94600 M−1cm−1;(3) the quantum yield is 0.65; and(4) the pH sensitivity of the fluorescent property is low in the range between pH 4 and pH 11.

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Database UnitProt, Dec. 1, 2001, XP002342731, Database accession No. Q963F5.
Database EMBL, Jun. 18, 2001, XP002342732, Database accession No. AF384683.

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