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US 6,607,903 B2Granted
Genes encoding desulfurization enzymes
AssigneePetroleum Energy Center
InventorsYoshitaka Ishii, Jin Konishi, Kazuaki Hirasawa, Hideki Okada, Masanori Suzuki
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Abstract
This invention provides novel genes encoding enzymes which decompose difficult-to-decompose thiophene compounds. By using these genes, sulfur atoms can be released from the thiophene compounds in fossil fuel such as petroleum, and the diffusion of sulfur into the environment caused by the combustion of the fossil fuel can be prevented.
Claims17
An isolated nucleic acid comprising a sequence that encodes:
- a protein comprising an amino acid sequence of SEQ ID NO:
- 4.
A vector comprising:
- a sequence that encodes a polypeptide with an amino acid sequence of SEQ ID NO:
- 4.
A transformed cell comprising:
- a vector comprising a sequence that encodes a polypeptide with an amino acid sequence of SEQ ID NO:
- 4.
A transformed cell comprising:
- a first vector comprising a sequence that encodes a first polypeptide for converting a first compound into a second compound;
- a second vector comprising a sequence that encodes a second polypeptide for converting the second compound into a third compound;
- and
- a third vector comprising a sequence that encodes a third polypeptide with an amino acid sequence of SEQ ID NO:
- 4 for converting the third compound into a fourth compound.
2 more elements
A process of producing a transformed cell comprising:
- providing into a cell a first vector comprising a sequence that encodes a first polypeptide to convert a first compound into a second compound;
- providing into the cell a second vector comprising a sequence that encodes a second polypeptide to convert the second compound into a third compound;
- and
- providing into the cell a third vector comprising a sequence that encodes a third polypeptide with an amino acid sequence of SEQ ID NO:
- 4 to convert the third compound into a fourth compound.
2 more elements
Dependencies are inferred from the claim text.