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US 8,580,536 B2Granted
Compositions for saccharification of cellulosic material
AssigneeNovozymes, Inc.
InventorsBrett McBrayer, Tarana Shaghasi, Elena Vlasenko
Life of this patent
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Abstract
The present invention relates to enzyme compositions for high temperature saccharification of cellulosic material and to uses thereof.
Claims23
An enzyme composition, comprising:
- (I) a polypeptide having cellobiohydrolase I activity selected from the group consisting of:
- (a) a polypeptide comprising an amino acid sequence having at least 95% sequence identity to the mature polypeptide of SEQ ID NO:
- 158;
- (b) a polypeptide encoded by a polynucleotide that hybridizes under at least high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
- 157, (ii) the genomic DNA sequence of the mature polypeptide coding sequence of SEQ ID NO:
- 157, or (iii) the full-length complement of (i) or (ii), wherein high stringency conditions are defined as prehybridization and hybridization at 42° C. in 5×SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 50% formamide and washing three times each for 15 minutes using 2×SSC, 0.2% SDS at 65° C.;
- and (c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence having at least 95% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
- 157;
- (II) a polypeptide having cellobiohydrolase II activity selected from the group consisting of:
- (a) a polypeptide comprising an amino acid sequence having at least 95% sequence identity to the mature polypeptide of SEQ ID NO:
- 18;
- (b) a polypeptide encoded by a polynucleotide that hybridizes under at least high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
- 17, (ii) the cDNA sequence of the mature polypeptide coding sequence of SEQ ID NO:
- 17, or (iii) the full-length complement of (i) or (ii), wherein high stringency conditions are defined as prehybridization and hybridization at 42° C. in 5×SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 50% formamide and washing three times each for 15 minutes using 2×SSC, 0.2% SDS at 65° C.;
- and (c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence having at least 95% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
- 17;
- (III) a polypeptide having endoglucanase I activity selected from the group consisting of:
- (a) a polypeptide comprising an amino acid sequence having at least 95% sequence identity to the mature polypeptide of SEQ ID NO:
- 20;
- (b) a polypeptide encoded by a polynucleotide that hybridizes under at least high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
- 19, (ii) the cDNA sequence of the mature polypeptide coding sequence of SEQ ID NO:
- 19, or (iii) the full-length complement of (i) or (ii), wherein high stringency conditions are defined as prehybridization and hybridization at 42° C. in 5×SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 50% formamide and washing three times each for 15 minutes using 2×SSC, 0.2% SDS at 65° C.;
- and (c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence having to the mature polypeptide coding sequence of SEQ ID NO:
- 19;
- (IV) a polypeptide having endoglucanase II activity selected from the group consisting of:
- (a) a polypeptide comprising an amino acid sequence having at least 95% sequence identity to the mature polypeptide of SEQ ID NO:
- 26;
- (b) a polypeptide encoded by a polynucleotide that hybridizes under at least high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
- 25, (ii) the genomic DNA sequence of the mature polypeptide coding sequence of SEQ ID NO:
- 25, or (iii) the full-length complement of (i) or (ii), wherein high stringency conditions are defined as prehybridization and hybridization at 42° C. in 5×SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 50% formamide and washing three times each for 15 minutes using 2×SSC, 0.2% SDS at 65° C.;
- and (c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence having at least 95% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
- 25;
- and
- (V) a polypeptide having beta-glucosidase activity selected from the group consisting of:
- (a) a polypeptide comprising an amino acid sequence having at least 95% sequence identity to the mature polypeptide of SEQ ID NO:
- 178;
- (b) a polypeptide encoded by a polynucleotide that hybridizes under at least high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
- 177, (ii) the cDNA sequence of the mature polypeptide coding sequence of SEQ ID NO:
- 177, or (iii) the full-length complement of (i) or (ii), wherein high stringency conditions are defined as prehybridization and hybridization at 42° C. in 5×SSPE, 0.3% SDS, 200 micrograms/ml sheared and denatured salmon sperm DNA, and 50% formamide and washing three times each for 15 minutes using 2×SSC, 0.2% SDS at 65° C.;
- and (c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence having at least 95% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
- 177;
- wherein saccharification of a cellulosic material is performed with the enzyme composition at a temperature in the range of about 40° C. to about 70° C.
39 more elements
Dependencies are inferred from the claim text.