IP Library Granted Patent US 12,421,505
Granted Patent B2
US 12,421,505 · App. 18/420,071 · Granted Sep 23, 2025

Polynucleotides encoding engineered acetate kinase variant enzymes

Inventors: Margie Tabuga Borra-Garske (Palo Alto, CA); Oscar Alvizo (Fremont, CA); Lillian Jasmine Miller (Saratoga, CA); Aksiniya Lyubenova Petkova (Sunnyvale, CA)
Assignee: Codexis, Inc.
C12N9/1217C12Y207/02001
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Quick Facts
Patent No.
US 12,421,505
App. No.
18/420,071
Granted
Sep 23, 2025
Kind
B2
Abstract

The present invention provides engineered acetate kinase (AcK) enzymes, polypeptides having AcK activity, and polynucleotides encoding these enzymes, as well as vectors and host cells comprising these polynucleotides and polypeptides. Methods for producing AcK enzymes are also provided. The present invention further provides compositions comprising the AcK enzymes and methods of using the engineered AcK enzymes. The present invention finds particular use in the production of pharmaceutical compounds.

Claims (18)

1. A polynucleotide sequence encoding at least one engineered acetate kinase, said polynucleotide sequence comprising at least 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity to SEQ ID NOs: 1 and/or 3, wherein the polypeptide sequence of said engineered acetate kinase comprises at least one substitution at at position 294 or substitution set comprising a substitution at 294.

2. A polynucleotide sequence encoding at least one engineered acetate kinase comprising at least 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% sequence identity to SEQ ID NOs: 2 and/or 4, or a functional fragment thereof, wherein the polypeptide sequence of said engineered acetate kinase or a functional fragment thereof comprises at least one substitution at position 294 or substitution set comprising a substitution at position 294.

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

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

5. The polynucleotide sequence of claim 1 , wherein said polynucleotide sequence comprises a polynucleotide sequence set forth in the odd numbered sequences of SEQ ID NOs: 5, 201, 325-355, 359-367, 373, 381, 387-391, 395, 437, 439, 445, 447, 521, 525, and 541.

6. The polynucleotide sequence of claim 1 , wherein said polynucleotide sequence encodes an engineered acetate kinase having a polypeptide sequence having at least 90% identity to SEQ ID NOS: 2 and/or 4, or a functional fragment thereof, wherein the polypeptide sequence comprises an M294L/F substitution or substitution set comprising an M294L/F substitution and wherein the amino acid positions of the polypeptide sequence are numbered with reference to SEQ ID NOS: 2 and/or 4.

7. The polynucleotide sequence of claim 6 , wherein said polynucleotide sequence encodes an engineered acetate kinase having a polypeptide sequence having at least 90% identity to SEQ ID NO: 2 and wherein the polypeptide sequence further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 4/142/242, 12/76/164/284, 12/76/232, 15, 23, 39, 41, 47, 51, 52, 54, 57, 76, 76/164/232/262/386, 76/164/262/284, 76/232/262/284/386, 76/232/364/386, 76/262, 76/262/273, 76/262/364, 76/273, 76/284/299, 76/364, 130, 135/284, 135/392, 145/400, 191, 232, 232/386, 275, 285, 288, 290, 292, −297, 298, 298/377, 298/405, 343, 372, 373, 374, 376, 391, and 392, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2.

8. The polynucleotide sequence of claim 6 , wherein said polynucleotide sequence encodes an engineered acetate kinase having a polypeptide sequence having at least 90% identity to SEQ ID NO: 2 and wherein the polypeptide sequence further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 4/142/242, 12/76/164, 15, 23, 39, 41, 44, 45, 47, 47/411, 48, 50, 51, 53, 55, 57/135, 58, 58/135, 61, 76, 76/142/299/386, 76/164, 76/164/232/262/386, 76/164/262, 76/164/273, 76/164/287/364, 76/164/386, 76/232, 76/232/259/364, 76/232/262, 76/232/273/299/311/386, 76/232/364/386, 76/262, 76/262/273, 76/262/284/287/386, 76/262/284/364, 76/262/287, 76/262/364, 76/273, 76/284/299, 76/284/311/386, 76/364, 76/386, 130, 132, 135/284, 135/392, 145/400, 164/232/284/287, 191, 220, 220/360, 241, 246, 262/284/287, 273/311/313/364,275, 279, 283, 285, 287, 288, 289, 290, 292, 297, 298, 298/405, 299, 311, 311/364/386, 332, 340, 343, 343/388, 347, 364, 372, 373, 374, 375, 376, 391, 392, and 405, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2.

9. The polynucleotide sequence of claim 6 , wherein said polynucleotide sequence encodes an engineered acetate kinase having a polypeptide sequence having at least 90% identity to SEQ ID NO: 4 and wherein the polypeptide sequence further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 14, 14/46, 14/46/47, 14/46/75/293/296/342, 14/46/284/342/371, 14/46/293, 14/50/231/283/296, 14/75, 14/284/371, 14/310/391, 14/373, 22/46/296/373, 22/75/342, 22/231/283/373, 22/283/293/296, 22/296, 22/296/373, 22/372/373, 38/283/296/373, 38/296/373, 40/289/372/373, 46, 46/47/284/293, 46/47/284/390/391, 46/47/284/391, 46/50/54/342/373, 46/50/75/373, 46/50/283/296/297/373, 46/50/293/296, 46/50/293/297, 46/284/371, 46/293, 46/371/390/391, 47/75/284/293/371, 47/284/371/391, 47/293/310/371, 47/342/391, 50/75/283/293/296, 50/75/296, 50/75/373, 50/231/283/342, 50/231/373, 50/268/289/372/373, 50/283/293/296, 50/283/293/342/373, 50/289/372/373, 50/293/296, 50/372, 75/284/391, 75/293/296/373, 75/293/342, 75/293/391, 75/342/371, 231/283/342, 231/293/296/373, 231/296/342, 231/342/373, 283/293/296, 283/293/296/342, 283/296, 283/296/297/342, 283/296/342/373, 283/296/373, 283/356, 284/293/310/342/371, 284/293/390, 284/293/390/391, 284/342/371, 284/342/390, 284/390, 289, 289/372/373, 293, 293/296, 293/296/297, 293/296/342/373, 293/296/373, 293/342/373, 293/371, 293/390, 296/297, 296/342, 310/342/391, 310/371/391, 342, 342/371/391, 371, 371/390, 372/373, 373, and 390/391, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 4.

10. The polynucleotide sequence of claim 6 , wherein said polynucleotide sequence encodes an engineered acetate kinase having a polypeptide sequence having at least 90% identity to SEQ ID NO: 4 and wherein the polypeptide sequence further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 14/38/50/75/293/296, 14/342/391, 38/46/50/75/373, 46/293, 47/342/391, 50/75/283/293/296, 50/75/296, 50/103/296/342, 50/231/373, 50/268/289/372/373, 50/283/293/296, 50/283/293/342/373, 50/293, 50/293/296, 50/372/373, 75/283/296, 75/293/296/297, 75/293/391, 75/342/371, 75/390/391, 283/296, 289, 289/372, 289/372/373, 293/342/373, 293/342/391, 293/371, 296, 296/342, 310/342/391, 342, 372, and 372/373, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 4.

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

12. A host cell comprising at least one expression vector of claim 11 .

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

14. A method of producing an engineered acetate kinase in a host cell, comprising culturing the host cell of claim 13 , under suitable conditions, such that at least one engineered acetate kinase is produced.

15. The method of claim 14 , further comprising recovering at least one engineered acetate kinase from the culture and/or host cell.

16. The method of claim 14 , further comprising the step of purifying said at least one engineered acetate kinase.

17. The engineered acetate kinase of claim 14 , wherein said engineered acetate kinase comprises at least one improved property compared to wild-type Thermotoga maritima acetate kinase.

18. The engineered acetate kinase of claim 17 , wherein said improved property comprises improved activity on a substrate.

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 17711451 · Apr 1, 2022
Provisional Application 63170017 · Apr 2, 2021
Related Publication 20240150733A1 · May 9, 2024
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