IP Library Granted Patent US 12,286,653
Granted Patent B2
US 12,286,653 · App. 17/236,928 · Granted Apr 29, 2025

Carboxyesterase polypeptides for amide coupling

Inventors: Rama Voladri (Pleasanton, CA); David Entwistle (San Carlos, CA); Christopher Michael Micklitsch (Philadelphia, PA); Vesna Mitchell (Santa Clara, CA); Nikki Dellas (San Carlos, CA); Xiyun Zhang (Fremont, CA); Antoinette Sero (Foster City, CA); Brent Dorr (King of Prussia, PA); Douglas E. Fuerst (King of Prussia, PA)
Assignee: Codexis, Inc.
C12N9/18C12Y301/01001
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Quick Facts
Patent No.
US 12,286,653
App. No.
17/236,928
Granted
Apr 29, 2025
Kind
B2
Abstract

The present invention provides engineered carboxyesterase enzymes having improved properties as compared to a naturally occurring wild-type carboxyesterase enzymes, as well as polynucleotides encoding the engineered carboxyesterase enzymes, host cells capable of expressing the engineered carboxyesterase enzymes, and methods of using the engineered carboxyesterase enzymes in amidation reactions.

Claims (18)

1. A polynucleotide sequence encoding an engineered carboxyesterase comprising a polypeptide sequence having at least 80% sequence identity to SEQ ID NO: 2, wherein said engineered carboxyesterase comprises a replacement of leucine at position 282 with another amino acid, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2.

2. The polynucleotide sequence of claim 1 , wherein said encoded engineered carboxyesterase further comprises at least one substitution or substitution set at positions selected from: 39, 39/323, 62, 62/117, 63, 64, 65, 66, 68, 69, 70, 71, 71/263, 77, 77/184, 103, 103/147, 104, 104/429, 105, 107, 107/185, 108, 109, 109/117, 110, 111, 113, 114, 115, 117, 118, 118/269, 118/349, 119, 126, 147, 153, 153/215, 164, 164/271, 174, 174/282, 183, 184, 184/249, 185, 186, 187, 188, 190, 209, 210, 211, 212, 213, 213/271, 213/345, 214, 215, 215/271, 216, 217, 217/231, 224, 224/268/372, 231, 249, 249/284, 263, 268, 269, 270, 270/470, 271, 271/416, 276, 277, 278, 279, 279/280, 280, 281, 281/374, 283, 283/429, 284, 284/438, 285, 286, 311, 317, 320, 320/323, 320/323/372, 320/372/376, 320/376/377, 321, 323, 324, 345, 349, 372, 372/376, 373, 374, 376, 377, 405, 416, 420, 427, 428, 429, 438, and 470, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2.

3. A polynucleotide sequence encoding an engineered carboxyesterase comprising a polypeptide sequence having at least 80% sequence identity to SEQ ID NO: 8, wherein said engineered carboxyesterase comprises an amino acid residue selected from glutamine, serine, and threonine in said polypeptide sequence at position 282, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 8.

4. The polynucleotide sequence of claim 3 , wherein said encoded engineered carboxyesterase further comprises at least one substitution or substitution set in said polypeptide sequence at positions selected from: 63, 63/65/108, 63/65/108/189, 63/65/108/377, 63/65/285/320/323, 63/65/320/323, 63/108, 63/108/285/377, 63/108/285/377, 63/108/320/323, 63/189, 63/212/215, 63/212/215/268/269/343, 63/215, 63/215/269, 63/215/270/271, 63/215/343, 63/268/269/270/429, 63/377, 65/69/70/281/372, 65/69/70/372, 65/69/372, 65/70/372, 65/320, 65/320/323, 68, 68/69/189/214, 68/69/189/214/215, 68/69/189/214/215/271, 68/69/189/214/215/271/281/343/381, 68/69/189/214/271/280, 68/69/189/214/372, 68/69/189/214/377/381, 68/69/189/271, 68/69/189/271/280/372/381, 68/69/189/280/281/372/377, 68/69/189/281/372/377/381, 68/69/189/343/381, 68/69/189/372, 68/69/189/381, 68/69/214/215/271, 68/69/214/343, 68/69/215, 68/69/271, 68/69/287, 68/69/343/372, 68/108/377, 68/184, 68/184/189, 68/189/271/372, 68/189/343, 68/214/215/271/281/372, 68/215/271/343/372/381, 68/215/377, 68/271/372, 68/377, 69, 69/70, 69/70/331/372, 69/70/372, 69/70/459, 69/108, 69/108/270/372/377, 69/108/281/285, 69/110/215/281, 69/189, 69/189/214/271/281/343, 69/189/214/343/372, 69/189/215/343, 69/189/271, 69/189/271/281, 69/189/271/343, 69/189/271/343/381, 69/189/280/343/372/381, 69/189/281/373, 69/189, 69/189/343/381, 69/189/372, 69/189/372/377, 69/189/377, 69/212/213/215/280/281, 69/214/215/271/372/377/381, 69/214/271/282, 69/214/271/343, 69/215, 69/215/269/270/377, 69/215/271/280/281, 69/215/271, 69/215/271/372, 69/215/285/317, 69/215/323, 69/215/343, 69/215/343/372/381, 69/271, 69/271/372, 69/343/372, 69/285/373, 69/372, 70, 70/212, 108, 108/189, 108/189/285/320, 108/189/320, 108/189/377, 108/215, 108/215/377, 108/269/270, 108/270, 108/285/377, 108/285, 108/320/323, 108/377, 126, 126/184/213/280/281/285/320, 126/184/213/372, 126/189/285/372, 126/215, 126/372, 181/215, 189, 189/214, 189/214/215/271, 189/215, 189/215/249/277, 189/215/271/281/377, 189/215/343/372, 189/270/285, 189/270/372, 189/280, 189/320/377, 189/343, 189/343/377, 189/372/377, 189/377, 189/381, 213/215/320, 214/215/271, 214/215/271/377, 214/271, 214/280/343/377/381, 215, 215/249/280/281/285/372, 215/271/372, 215/280/281/285/372, 215/281/285/372, 215/281/285/373, 215/281/373, 215/285, 215/285/317, 215/285/346, 215/285/445, 215/320, 215/320/372, 215/323, 215/372, 215/372/377, 215/373, 215/377, 215/381, 249/377, 269/270/281/372/377, 270/377, 271, 271/343, 271/343/372, 271/343/372/381, 280/285/372, 281/372, 285/320/323, 285/323, 320, 343/372, 372, 372/377, 372/381, 373, and 377, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 8.

5. A polynucleotide sequence encoding at least one engineered carboxyesterase, said polynucleotide sequence comprising at least 85% sequence identity to SEQ ID NOs: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, and/or 139.

6. The polynucleotide sequence of claim 1 , wherein said polynucleotide sequence is operably linked to a control sequence.

7. The polynucleotide sequence of claim 1 , wherein said polynucleotide sequence is codon optimized.

8. An expression vector comprising at least one polynucleotide sequence of claim 1 .

9. A host cell comprising at least one expression vector of claim 8 .

10. A host cell comprising at least one polynucleotide sequence of claim 1 .

11. The host cell of claim 9 , wherein said host cell is E. coli.

12. A method of producing an engineered carboxyesterase in a host cell, comprising culturing a host cell comprising at least one polynucleotide of claim 1 , under suitable conditions, such that at least one engineered carboxyesterase is produced.

13. The method of claim 12 , further comprising recovering at least one engineered carboxyesterase from the culture and/or host cell.

14. The method of claim 13 , further comprising the step of purifying said at least one engineered carboxyesterase.

15. The polynucleotide sequence of claim 1 , wherein the substitution at position 282 is a polar amino acid.

16. The polynucleotide sequence of claim 1 , wherein the substitution at position 282 is selected from: L282Q, L282S, and L282T.

17. The polynucleotide sequence of claim 1 , wherein said polynucleotide sequence has at least 85% sequence identity to a sequence selected from SEQ ID NO: 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, and 139.

18. The polynucleotide sequence of claim 3 , wherein said polynucleotide sequence has at least 85% sequence identity to a sequence selected from SEQ ID NO: 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, and 139.

Assignments (1)
SECURITY INTEREST Recorded Feb 15, 2024
From: CODEXIS, INC.
To: INNOVATUS LIFE SCIENCES LENDING FUND I, LP, AS COLLATERAL AGENT
Reel/Frame 066600/0650 →
Continuity (3)
Division 16218003 · Dec 12, 2018
Provisional Application 62598189 · Dec 13, 2017
Related Publication 20210238565A1 · Aug 5, 2021
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