IP Library Granted Patent US 12,480,099
Granted Patent B2
US 12,480,099 · App. 18/657,101 · Granted Nov 25, 2025

Engineered galactose oxidase variant enzymes

Inventors: Christopher Micklitsch (Philadelphia, PA); Oscar Alvizo (Fremont, CA); Jovana Nazor (Milpitas, CA); Harvinder Chagger Maniar (Hayward, CA); Mikayla Jianghongxia Krawczyk (Palo Alto, CA); Margie Tabuga Borra-Garske (Palo Alto, CA); Nandhitha Subramanian (Cambridge, GB); Anna Fryszkowska (New York, NY); Nicholas M. Marshall (Rahway, NJ); Agustina Rodriguez-Granillo (Rahway, NJ); Deeptak Verma (Rahway, NJ); Dewan Andrews (Rahway, NJ)
Assignee: Codexis, Inc.
C12N9/0006C12N15/52C12N9/001C12P21/02C12Y101/03009
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Quick Facts
Patent No.
US 12,480,099
App. No.
18/657,101
Granted
Nov 25, 2025
Kind
B2
Abstract

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

Claims (18)

1 . A polynucleotide sequence encoding at least one engineered galactose oxidase, wherein said polynucleotide sequence comprises at least 90% sequence identity to SEQ ID NOS: 1911, 2079, 2299, and/or 2423, wherein the polynucleotide sequence of said engineered galactose oxidase comprises at least one substitution at one or more positions, and wherein the engineered galactose oxidase has substitutions at positions 291, 375, 453 and 465 wherein the amino acid positions are numbered with reference to SEQ ID NO: 1912.

2 . A polynucleotide sequence encoding at least one engineered galactose oxidase comprising at least 95% sequence identity to SEQ ID NOS: 1911, 2079, 2299, and/or 2423, or a functional fragment thereof.

3 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 90% sequence identity to SEQ ID NO: 2, and wherein said engineered galactose oxidase comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 331/406/407/465 and 331/406/465, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2.

4 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 2, and wherein said engineered galactose oxidase comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 331/406/407/465 and 331/406/465, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2, and wherein the engineered galactose oxidase comprises production of 2-ethynylglyceraldehyde with increased enantiomeric excess of the R-stereoisomer as compared to wild-type F. graminearium galactose oxidase.

5 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 4, and wherein said engineered galactose oxidase comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 170, 171, 173, 191, 192, 193, 194, 197, 198, 199, 202, 204, 205, 220, 227, 243, 247, 248, 252, 269, 294, 296, 324, 332, 407, 463, 465, 466, 493, 515, 517, 520, 521, and 522, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 4.

6 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 1912, and wherein said engineered galactose oxidase comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 3, 4, 9, 18, 26, 29, 30, 38, 40, 42, 43, 44, 48, 50, 75, 79, 135, 136, 142, 156, 159, 161, 197, 486, and 601, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 1912.

7 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 1912, and wherein said engineered galactose oxidase further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 29, 29/30/50/79/136/197, 29/30/50/79/197/407, 29/30/79/136/156/197, 29/30/79/197, 29/30/79/197/407, 29/30/136/197/407/486, 29/30/136/407, 29/30/197, 29/30/197/407, 29/50/197/407/486, 29/197/407, 29/197/407/486, 30, 30/50/79/136/156/197, 43/197/407, 50/136/197/486, 65, 79, 79/136/197/407, 79/156/197/407, 136, 136/197/407, 136/197/486, 156/161/486, 197, 197/407, 197/486, 279/291/375/420/429/436/453/465, 279/291/375/465/536/538, 279/291/465, 279/291/465/536, 279/375/420/429/453/465/472/538, 279/375/420/465, 279/465, 291/375/420/430/465/538, 291/375/436/465/538, 291/375/453/465, 291/420/465/481/538, 291/429/465, 291/453/465/536/538, 291/465, 291/465/538, 375/420/465, 375/429/453/465, 375/465, 420/436/465, 429/465, 453/465, 453/465/478/481, 465, 465/536/538, 486, and 615, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 1912.

8 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase comprises the substitutions 291Y, 375D, 453V, and 465L, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 1912.

9 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 2080, and wherein said engineered galactose oxidase further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 24, 47, 63, 78, 95, 119, 121, 197, 207, 214, 219, 220, 249, 294, 324, 365, 408, 414, 437, 480, 485, 520, 556, 571, 598, 600, and 626, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2080.

10 . The polynucleotide sequence of claim 1 , wherein the polypeptide sequence of the engineered galactose oxidase has at least 95% sequence identity to SEQ ID NO: 2080, and wherein said engineered galactose oxidase further comprises at least one substitution or substitution set at one or more positions in said polypeptide sequence selected from 14/130/257/472, 14/257, 24, 29, 29/136, 29/136/197/436, 29/136/436, 29/136/436/453, 29/197, 29/197/342/436, 29/197/436, 29/197/436/453, 29/197/453, 29/436, 29/436/472, 29/453, 29/472, 43, 63, 95, 119, 130/421, 136, 136/197/436, 136/197/436/453, 136/436, 144, 197, 197/436, 197/436/453, 197/436/472, 197/453, 214, 219, 249, 257, 257/472, 297, 359, 436, 437, 460, 485, 495, 520, 556, 560, 567, and 592, wherein the amino acid positions of said polypeptide sequence are numbered with reference to SEQ ID NO: 2080.

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

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

13 . The polynucleotide sequence of claim 1 , wherein said polynucleotide comprises an odd-numbered sequence of SEQ ID NOS: 2079, 2159, and 2203-2859.

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

15 . A host cell comprising at least one polynucleotide sequence of claim 14 .

16 . A method of producing an engineered galactose oxidase in a host cell, comprising culturing the host cell of claim 15 , under suitable conditions, such that at least one engineered galactose oxidase is produced.

17 . The method of claim 16 , further comprising recovering at least one engineered galactose oxidase from the culture and/or host cell.

18 . The method of claim 16 , further comprising the step of purifying said at least one engineered galactose oxidase.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: FRYSZKOWSKA, ANNA; MARSHALL, NICHOLAS M.; RODRIGUEZ-GRANILLO, AGUSTINA; VERMA, DEEPTAK; ANDREWS, DEWAN PETER
To: MERCK SHARP & DOHME CORP.
Reel/Frame 071987/0644 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: MICKLITSCH, CHRISTOPHER MICHAEL; ALVIZO, OSCAR; NAZOR, JOVANA; MANIAR, HARVINDER CHAGGER; KRAWCZYK, MIKAYLA JIANGHONGXIA; BORRA-GARSKE, MARGIE TABUGA; SUBRAMANIAN, NANDHITHA
To: CODEXIS, INC.
Reel/Frame 071987/0784 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: MERCK SHARP & DOHME CORP.
To: CODEXIS, INC.
Reel/Frame 071987/0817 →
Continuity (5)
Continuation 17931003 · Sep 9, 2022
Division 16460376 · Jul 2, 2019
Provisional Application 62822286 · Mar 22, 2019
Provisional Application 62695570 · Jul 9, 2018
Related Publication 20240287474A1 · Aug 29, 2024
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