Enzyme variants with improved ester synthase properties
AssigneeReg Life Sciences, LLC
InventorsAndrew M. Shumaker, Bernardo M. Da Costa, Kevin Holden, Louis G. Hom, Tarah S. Baron, Noah Helman
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Abstract
The disclosure relates to enzyme variants with improved ester synthase properties for the production of fatty acid esters. Further contemplated are recombinant host cells that express such variants, cell cultures comprising the recombinant host cells and fatty acid ester compositions produced by such recombinant host cells.
Claims43
A variant ester synthase polypeptide comprising a variant of SEQ ID NO:
- 67, wherein the variant of SEQ ID NO:
- 67 is genetically engineered to have an amino acid substitution at position 15 of SEQ ID NO:
- 67, and wherein said polypeptide comprises at least one additional mutation selected from the group consisting of G4R, T5P, T5S, D7N, T24M,T24W, L3OH, G33D, G33S, L39A, L39M, L39S, R40S, D41A, D41G, D41H, D41Y, V43K, V435, T44A, T44F, T44K, Y58C, Y58L, A73Q, V76L, D77A, K78F, K78W, 180V, R98D, E99Q, G101L, I102R, P111D, P111G, P111S, H122S, R131M, I146K, I146E, I146R, S147A, V149L, R150P, V155G, T157S, R162E, N164D, N164R, P166S, T170R, T1705, V171E, V171F, V171H, V171R, V171W, R172S, R172W, P173W, R177V, A179S, A179V, D182G, E184F, E184G, E184L, E184R, E184S, A185L, A185M, S186T, V187G, V187R, P188R, A190P, A190R, A190W, S192A, S192L, S192V, Q193R, Q193S, M195G, A197T, A197V, Q201A, Q201V, Q201W, A202L, D203R, P206F, R207A, G212A, G212L, V216I, V219L, V234C, H239G, T242K, T242R, A243R, Q244G, R246A, R246G, R246L, R246Q, R246V, R246W, D255E, L257I, K258R, N259E, N259Q, L260V, H262Q, A263V, S264D, S264V, S264W, G265N, G266A, G266S, S267G, A285L, A285R, A285V, N288D, N289E, N289G, T293A, P294G, V301A, N302G, I303G, I303R, I303W, R304W, A306G, D307F, D307G, D307L, D307N, D307R, D307V, E309A, E309G, E309S, G310H, G310R, G310V, T311S, T313S, Q314G, I315F, S316G, F317W, I319G, A320C, A323G, D328F, Q334K, Q334S, Q348A, Q348R, K349A, K349C, K349H, K349Q, P351G, K352I, K352N, S353K, S353T, T356G, T356W, Q357V, M360Q, M360R, M360S, M360W, Y366G, Y366W, G375A, G375V, G375S, V381F, E393G, E393R, E393W, G394E, T395E, V409L, L411A, A413T, I420V, S424G, S424Q, S442E, S442G, M443G, A447C, A447I, A447L, L454V, D455E, L457Y, E458W, I461G, I461L, I461V, K466N, A468G, K472T and K472*, wherein said variant ester synthase polypeptide has improved fatty acid methyl ester synthase activity compared to a corresponding wild type ester synthase polypeptide.
A polynucleotide encoding a variant ester synthase polypeptide, wherein said ester synthase polypeptide comprises a variant of SEQ ID NO:
- 67 having an amino acid substitution at the residue corresponding to residue 15 of SEQ ID NO:
- 67, and wherein said ester synthase polypeptide comprises at least one additional mutation selected from the group consisting of G4R, T5P, T5S, D7N, T24M,T24W, L30H, G33D, G33S, L39A, L39M, L39S, R40S, D41A, D41G, D41H, D41Y, V43K, V43S, T44A, T44F, T44K, Y58C, Y58L, A73Q, V76L, D77A, K78F, K78W, 180V, R98D, E99Q, G101L, I102R, P111D, P111G, P111S, H122S, R131M, 1146K, I146L, I146R, S147A, V149L, R150P, V155G, T157S, R162E, N164D, N164R, P166S, T170R, T170S, V171E, V171F, V171H, V171R, V171W, R172S, R172W, P173W, R177V, A179S, A179V, D182G, E184F, E184G, E184L, E184R, E184S, A185L, A185M, S186T, V187G, V187R, P188R, A190P, A190R, A190W, S192A, S192L, S192V, Q193R, Q193S, M195G, A197T, A197V, Q201A, Q201V, Q201W, A202L, D203R, P206F, R207A, G212A, G212L, V216I, V219L, V234C, H239G, T242K, T242R, A243R, Q244G, R246A, R246G, R246L, R246Q, R246V, R246W, D255E, L257I, K258R, N259E, N259Q, L260V, H262Q, A263V, S264D, S264V, S264W, G265N, G266A, G266S, S267G, A285L, A285R, A285V, N288D, N289E, N289G, T293A, P294G, V301A, N302G, I303G, I303R, I303W, R304W, A306G, D307F, D307G, D307L, D307N, D307R, D307V, E309A, E309G, E309S, G310H, G310R, G310V, T311S, T313S, Q314G, I315F, S316G, F317W, I319G, A320C, A323G, D328F, Q334K, Q334S, Q348A, Q348R, K349A, K349C, K349H, K349Q, P351G, K352I, K352N, S353K, S353T, T356G, T356W, Q357V, M360Q, M360R, M360S, M360W, Y366G, Y366W, G375A, G375V, G375S, V381F, E393G, E393R, E393W, G394E, T395E, V409L, L411A, A413T, I420V, S424G, S424Q, S442E, S442G, M443G, A447C, A447I, A447L, L454V, D455E, L457Y, E458W, I461G, I461L, I461V, K466N, A468G, K472T and K472*.
A variant ester synthase polypeptide comprising an amino acid sequence that has at least 95% sequence identity to SEQ ID NO:
- 35.
A variant ester synthase polypeptide comprising an amino acid sequence that has at least 95% sequence identity to SEQ ID NO:
- 37.
A variant ester synthase polypeptide comprising an amino acid sequence that has at least 95% sequence identity to SEQ ID NO:
- 39.
A variant ester synthase polypeptide comprising an amino acid sequence that has at least 95% sequence identity to SEQ ID NO:
- 41.
A variant ester synthase polypeptide comprising an amino acid sequence that has at least 95% sequence identity to SEQ ID NO:
- 43.
Dependencies are inferred from the claim text.