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James T. Kellis, Jr.

James T. Kellis, Jr., Portola Valley, CA US

Patent application numberDescriptionPublished
20090011489MULTIPLY-SUBSTITUTED PROTEASE VARIANTS - Novel enzyme variants including protease variants derived from the DNA sequences of naturally-occurring or recombinant non-human proteases are disclosed. The variant proteases, in general are obtained by in vitro modification of a precursor DNA sequence encoding the naturally-occurring or recombinant protease to generate the substitution of a plurality of amino acid residues in the amino acid sequence of a precursor protease, Such variant proteases have properties which are different from those of the precursor protease, such as altered wash performance. The substituted amino acid residue correspond to positions 27, 45, 170, 181, 251 and 271 of 01-08-2009
20110086412Multiply-Substituted Protease Variants - Novel enzyme variants including protease variants derived from the DNA sequences of naturally-occurring or recombinant non-human proteases are disclosed. The variant proteases, in general, are obtained by in vitro modification of a precursor DNA sequence encoding the naturally-occurring or recombinant protease to generate the substitution of a plurality of amino acid residues in the amino acid sequence of a precursor protease. Such variant proteases have properties which are different from those of the precursor protease, such as altered wash performance. The substituted amino acid residue correspond to positions 27, 45, 170, 181, 251 and 271 of 04-14-2011
20110091958Multiply-Substituted Protease Variants - Novel enzyme variants including protease variants derived from the DNA sequences of naturally-occurring or recombinant non-human proteases are disclosed. The variant proteases, in general, are obtained by in vitro modification of a precursor DNA sequence encoding the naturally-occurring or recombinant protease to generate the substitution of a plurality of amino acid residues in the amino acid sequence of a precursor protease. Such variant proteases have properties which are different from those of the precursor protease, such as altered wash performance. The substituted amino acid residue correspond to positions 27, 45, 170, 181, 251 and 271 of 04-21-2011
20110091959Multiply-Substituted Protease Variants - Novel enzyme variants including protease variants derived from the DNA sequences of naturally-occurring or recombinant non-human proteases are disclosed. The variant proteases, in general, are obtained by in vitro modification of a precursor DNA sequence encoding the naturally-occurring or recombinant protease to generate the substitution of a plurality of amino acid residues in the amino acid sequence of a precursor protease. Such variant proteases have properties which are different from those of the precursor protease, such as altered wash performance. The substituted amino acid residue correspond to positions 27, 45, 170, 181, 251 and 271 of 04-21-2011

Patent applications by James T. Kellis, Jr., Portola Valley, CA US

James T. Kellis, Jr., Woodside, CA US

Patent application numberDescriptionPublished
20090252828ALPHA-AMYLASE VARIANTS WITH ALTERED PROPERTIES - Disclosed are compositions comprising variants of alpha-amylase that have alpha-amylase activity and which exhibit altered properties relative to a parent AmyS-like alpha-amylase from which they are derived. The compositions comprise an additional enzyme such as a phytase. Also disclosed are methods of using the compositions, and kits related thereto.10-08-2009
20100048446TS23 Alpha-Amylase Variants With Altered Properties - Described are variants (mutants) of a parent alpha-amylase having alpha-amylase activity and exhibiting altered properties relative to the parent alpha-amylase, and methods of use, thereof.02-25-2010
20100152087COMPOSITIONS AND METHODS COMPRISING A SUBTILISIN VARIANT - The present invention provides a subtilisin variant that is particularly well suited to cleaning applications. In particular, the present invention provides a 06-17-2010
20100192985COMPOSITIONS AND METHODS COMPRISING SERINE PROTEASE VARIANTS - The present invention provides methods for protein engineering and serine protease variants produced there from. Specifically, the present invention provides serine protease variants having one or more substitutions as compared to a reference serine protease. In addition, the present invention provides compositions comprising these serine protease variants. In some embodiments, the present invention provides cleaning compositions comprising at least one of these serine protease variants.08-05-2010
20100216682Methods for Improving Multiple Protein Properties - The present invention provides efficient methods for obtaining a protein with one or more beneficial attributes in industrial, consumer or pharmaceutical applications. In some preferred embodiments, the present invention provides methods for producing superior enzymes for a given application through screening an abbreviated set of candidate enzymes.08-26-2010
20100233780Methods for Improving Protein Properties - The present invention provides methods for engineering proteins to optimize their performance under certain environmental conditions of interest. In some embodiments, the present invention provides methods for engineering enzymes to optimize their catalytic activity under particular environmental conditions. In some preferred embodiments, the present invention provides methods for engineering enzymes to optimize their catalytic activity and/or stability under adverse environmental conditions. In some preferred embodiments, the present invention provides methods for engineering enzymes to optimize their storage stability, particularly under adverse environmental conditions. In some preferred embodiments, the present invention provides methods for altering the net surface charge and/or surface charge distribution of enzymes (e.g., metalloproteases) to obtain enzyme variants that demonstrate improved performance and/or stability in detergent formulations as compared to the starting or parent enzyme.09-16-2010
20100297727Methods for Improving Protein Performance - The present invention provides methods for engineering proteins to optimize their performance under certain environmental conditions of interest. In some embodiments, the present invention provides methods for engineering enzymes to optimize their catalytic activity under particular environmental conditions. In some preferred embodiments, the present invention provides methods for altering the net surface charge and/or surface charge distribution of enzymes {e.g., metalloproteases or serine proteases) to obtain enzyme variants that demonstrate improved performance in detergent formulations as compared to the starting or parent enzyme.11-25-2010
20110237487FABRIC AND HOME CARE PRODUCTS - This invention relates to fabric and home care products comprising one or more cold water proteases and processes for making and using such products. Such compositions provide improved cleaning and freshness. Such cold water proteases may be derived from parent enzymes, including BPN′ subtilisin and subtilisin derived from 09-29-2011
20110251073Compositions And Methods Comprising Variant Microbial Proteases - The present invention provides methods for protein engineering. Specifically, the invention provides methods utilizing site evaluation libraries to design libraries that optimize two or more properties of a protein. The present invention also provides variant subtilisins suitable for various uses.10-13-2011
20110256609Compositions And Methods Comprising Variant Microbial Proteases - The present invention provides variant subtilisins and compositions comprising at least one variant subtilisin set forth herein, as well as methods for using these variants and compositions. In some embodiments, the present invention provides variant subtilisins suitable for laundry cleaning applications.10-20-2011
20110256610Compositions And Methods Comprising Variant Microbial Proteases - The present invention provides variant subtilisins and compositions comprising at least one variant subtilisin set forth herein, as well as methods for using these variants and compositions. In some embodiments, the present invention provides variant proteases suitable for laundry cleaning applications.10-20-2011
20110262999Compositions and Methods Comprising Protease Variants - The present invention provides protease variants, compositions comprising protease variants, and methods of using such protease variants and compositions.10-27-2011

Patent applications by James T. Kellis, Jr., Woodside, CA US

James T. Kellis, Jr., San Carlos, CA US

Patent application numberDescriptionPublished
20120003718Protease Comprising One Or More Combinable Mutations - The present invention provides engineered protease variants. In particular, the protease variants comprise combinable mutations at selected surface positions that affect the charge and/or hydrophobicity of the enzyme to enhance at least one desired property of the resulting variant enzyme in a chosen application. Compositions comprising the protease variants, and methods for using the same are also provided.01-05-2012