Isolated bacterial strain of Achromobacter sp. MTCC 5605 and a highly enantioselective epoxide hydrolase isolated therefrom

US9150840B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9150840-B2
Application numberUS-201214000730-A
CountryUS
Kind codeB2
Filing dateAug 27, 2012
Priority dateAug 26, 2011
Publication dateOct 6, 2015
Grant dateOct 6, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The present invention relates to a novel epoxide hydrolase enzyme which aims to achieve a high degree of resolution towards a broader range of substrates with high enantioselectivity and yields with minimal product inhibition. The invention further relates to a new bacterial strain Achromobacter sp. MTCC 5605 isolated from a petroleum-contaminated sludge sample, capable of producing the said enzyme. It is notable that the enzyme can be used as whole bacterial cell preparation, which allows continuous hydrolysis of substrates at even higher concentration and have an advantage of being recycled. The invention further relates to a process for the hydrolysis of different aryl epoxides which are potential synthons of intermediates for the synthesis of chiral amino alcohols and bioactive compounds like β-blockers.

First claim

Opening claim text (preview).

We claim: 1. An aqueous composition of an isolated enantioselective epoxide hydrolase from Achromobacter MTCC 5605 having a molecular weight of 95 KDa, said enantiomeric epoxide hydrolase being active in the pH range of 5 to 11 and at a temperature ranging from 30° to 50° C., exhibiting hydrolysis of racemic aryl epoxides with >99% ee s at a substrate concentration up to 500 mM, yielding up to 42% of 100% optically pure aryl epoxides with a final concentration of up to 209 mM wh…

Assignees

Inventors

Classifications

  • C12N9/14Primary

    Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9150840B2 cover?
The present invention relates to a novel epoxide hydrolase enzyme which aims to achieve a high degree of resolution towards a broader range of substrates with high enantioselectivity and yields with minimal product inhibition. The invention further relates to a new bacterial strain Achromobacter sp. MTCC 5605 isolated from a petroleum-contaminated sludge sample, capable of producing the said …
Who is the assignee on this patent?
Kamal Ahmed, Khanna Rohini, Kumar Chityal Ganesh, and 3 more
What technology area does this patent fall under?
Primary CPC classification C12N9/14. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Oct 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).