Enzyme with xylanase activity

Details Enzyme with xylanase activity Enzyme with xylanase activity

2011-08-16

2011-08-16

Saidha, Tekchand (Department: 1652)

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Hydrolase

C435S243000, C435S254500, C426S011000

Reexamination Certificate

active

07998720

ABSTRACT:
The present invention is related to an isolated and purified enzyme with xylanolytic activity having more than 70% homology, preferably more than 80% homology with the amino acid sequence SEQ ID NO: 11.

REFERENCES:
patent: 5610046 (1997-03-01), Van Ooyen et al.
patent: WO 94/14965 (1994-07-01), None
Christakopoulos et al. (1996) “Purification and characterization of two low molecular mass alkaline xylanases from Fusarium oxysporum F3” J. Biotechnol. 51:181-189.
European Search Report form Application No. EP 00 87 0028.
Georis et al. (1996) SPTREMBL Database accession No. Q59962.
Hass et al. (1992) “Purificaiton, characterization and partial amino acid sequences of a sylanase produced by penicilium chrysogenum” Biochem. Biophys. Acta, 1117(3):279-286.
Nucleotide Sequence Database EMBL, Accession No. AB035540, Dec. 18, 1999, Penicillium sp.40 xynA gene coding for xylanase A, XP002143462.
Takahashi et al. (1979) “Purification and properties of xylanase from gliocladium virens” J. Ferment Technol., 57(5):434-439.
Arase, A. et al. (1993) “Stabilization of xylanase by random mutagenesis”FEBS316:123-127.
Argos, P. et al. (1979) “Thermal stability and protein structure”Biochemistry18: 5678-5703.
Darnell, J. et al. (1986) “Proteins” fromMolecular Cell Biology, Scientific American Books, Inc., New York, NY, pp. 53-54.
De Lemos Esteves, F. et al. (2005) “Improving the alkalophilic performances of the Xyl1 xylanase fromStreptomycessp. S38: structural comparison and mutational analysis”Protein Sci. 14:292-302.
Fenel, F. et al. (2004) “A de novo designed N-terminal disulphide bridge stabilizes theTrichoderma reeseiendo-1,4-β-xylanase II”J. Biotechnol. 108:137-143.
Georis, J. et al. (1999) “Sequence, overproduction and purification of the family 11 endo-β-1,4-xylanase encoded by the xyl1 gene ofStreptomycessp. S38”Gene237:123-133.
Georis, J. et al. (2000) “An additional aromatic interaction improves the thermostability and thermophilicity of a mesophilic family 11 xylanase: structural basis and molecular study”Protein Science9:466-475.
Giver, L. et al. (1998) “Directed evolution of a thermostable esterase”PNAS USA95:12809-12813.
Kimura, T. et al. (2000) “Purification, characterization, and molecular cloning of acidophilic xylanase fromPenicilliumsp. 40”Biosci. Biotechnol. Biochem. 64:1230-1237.
Kulkarni, N. et al. (1999) “Molecular and biotechnological aspects of xylanases”FEMS Microbiology Reviews23: 411-456.
Olsen, M. et al. (2000) “Function-based isolation of novel enzymes from a large library”Nature Biotechnol. 18:1071-1074.
Olsen, M. et al. (2000) “High-throughput screening of enzyme libraries”Curr. Opin. Biotechnol. 11:331-337.
Payan, F. et al. (2004) “The dual nature of the wheat xylanase protein inhibitor XIP-I”J. Biol. Chem. 279:36029-36037.
Sali, A. et al. (1993) “Comparative protein modeling by satisfaction of spatial restraints”J. Mol. Biol. 234:779-815.
Shibuya, H. et al. (2000) “Enhancement of the thermostability and hydrolytic activity of xylanase by random gene shuffling”Biochem. J. 349:651-656.
Stemmer, W. (1994) “DNA shuffling by random fragmentation and reassembly: in vitro recombination for molecular evolution”PNAS USA91:10747-10751.
Sun, J-Y et al. (2005) “Improvement of the thermostability and catalytic activity of a mesophilic family 11 xylanase by N-terminus replacement”Protein Expression and Purification42: 122-130.
Torronen, A. et al. (1992) “The two major xylanases fromTrichoderma reesei: characterization of both enzymes and genes”Biotechnology10:1461-1465.
Torronen, A. et al. (1994) “Three-dimensional structure of endo-1,4-β-xylanase II fromTrichoderma reesei: two conformational states in the active site”The EMBO Journal13:2493-2501.
Torronen, A. et al. (1995) “Structural comparison of two major endo-1,4-xylanases fromTrichoderma reesei” Biochemistry34:847-856.
Torronen, A. et al. (1997) “Structural and functional properties of low molecular weight endo-1,4-β-xylanases”J. Biotechnol. 57:137-149.
Turunen, O. et al. (2002) “Engineering of multiple arginines into the Ser/Thr surface ofTrichoderma reeseiendo-1,4-β-xylanase II increases the thermotolerance and shifts the pH optimum towards alkaline pH”Protein Engineering15:141-145.
Wakarchuk, W. et al. (1994) “Mutational and crystallographic analyses of the active site residues of theBacillus circulans xylanase” Protein Science3:467-475.
Wouters, J. et al. (2001) “Crystalllographic analysis of family 11 endo-β-1, 4-xylanase xyl1 fromStreptomycessp. s38”Acta Cryst. D57:1813-1819.

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