Abstract:
The present invention discloses a system and method for the production of composite tubular members and a tubular member made thereof. Filament winding is used for the production of long tubular elements, and an internal tension support member is arranged for the support of the mandrel or liner about which the fiber tows of the filament winding process is wound. A system arranged for the production of tubulars according to said method is further provided.
Abstract:
Computer systems, computer program products and methods for designing oligonucleotides are provided. A set of sequence elements is defined. Each sequence element represents an amino acid sequence segment or a nucleic acid sequence segment. The set of sequence elements collectively represent a design nucleic acid sequence. The set of sequence elements are displayed as a plurality of icons in a linear or a near linear arrangement such that each respective icon in the plurality of icons uniquely represents a corresponding sequence element in the set of sequence elements. In this representation, neighboring icons in the plurality of icons represent neighboring sequence elements in the set of sequence elements. Each respective icon in the plurality of icons depicts a directional property for the corresponding sequence element in the set of sequence elements. An oligonucleotide selection module is used to identify oligonucleotides in the design nucleic acid sequence.
Abstract:
Methods, computer systems, and computer program products for antibody engineering. A variant set for an antibody of interest is constructed by identifying, using a plurality of roles, a plurality of positions in the antibody of interest and, for each respective position in the plurality of positions, substitutions for the respective position. The plurality of positions and the substitutions for each respective position in the plurality of positions collectively define an antibody sequence space. A variant set comprising a plurality of variants of the antibody of interest is selected. A property of all or a portion of the variants in the variant set is measured. A sequence-activity relationship is modeled between (i) one or more substitutions at one or more positions of the antibody of interest represented by the variant set and (ii) the property measured for all or the portion of the variants in the variant set. The variant set is redefined to comprise variants that include substitutions in the plurality of positions that are selected based on a function of the sequence-activity relationship.
Abstract:
The present invention generally relates to methods of rapidly and efficiently searching biologically-related data space. More specifically, the invention includes methods of identifying bio-molecules with desired properties, or which are most suitable for acquiring such properties, from complex bio-molecule libraries or sets of such libraries. The invention also provides methods of modeling sequence-activity relationships. As many of the methods are computer-implemented, the invention additionally provides digital systems and software for performing these methods.
Abstract:
The present invention relates to polynucleotide comprising nucleotide sequences encoding an aveC gene product, which polynucleotide molecules can be used to alter the ratio or amount of class 2:1 avermectins produced in fermentation cultures of S. avermitis. The present invention further relates to vectors, host cells, and mutant strains of S. avermitis in which the aveC gene has been inactivated, or mutated so as to change the ratio or amount of class 2:1 avermectins produced.
Abstract:
The present invention provides novel in silico recombination techniques in which all or part of a nucleic acid recombination procedure is performed or modeled in a digital system. In particular, this invention relates to methods of designing oligonucleotides for regulated recombination that approximates linkage characteristics obtained from fragmentation-based recombination techniques, such as family-based recombination. The methods of this invention include adjusting overlap regions in pairs of overlapping oligonucleotide character strings to bias recombination towards a desired genetic linkage. This invention also provides systems, computer program products, and kits for practicing the methods of the invention.
Abstract:
Methods, computer systems, and computer program products for antibody engineering. A variant set for an antibody of interest is constructed by identifying, using a plurality of roles, a plurality of positions in the antibody of interest and, for each respective position in the plurality of positions, substitutions for the respective position. The plurality of positions and the substitutions for each respective position in the plurality of positions collectively define an antibody sequence space. A variant set comprising a plurality of variants of the antibody of interest is selected. A property of all or a portion of the variants in the variant set is measured. A sequence-activity relationship is modeled between (i) one or more substitutions at one or more positions of the antibody of interest represented by the variant set and (ii) the property measured for all or the portion of the variants in the variant set. The variant set is redefined to comprise variants that include substitutions in the plurality of positions that are selected based on a function of the sequence-activity relationship.
Abstract:
The present invention generally relates to methods of rapidly and efficiently searching biologically-related data space. More specifically, the invention includes methods of identifying bio-molecules with desired properties, or which are most suitable for acquiring such properties, from complex bio-molecule libraries or sets of such libraries. The invention also provides methods of modeling sequence-activity relationships. As many of the methods are computer-implemented, the invention additionally provides digital systems and software for performing these methods.
Abstract:
The invention provides polynucleotides and polypeptides encoded therefrom having advantageous properties, including an ability of the polypeptides to preferentially bind a CD28 or CTLA-4 receptor at a level greater or less than the ability of human B7-1 to bind CD28 or CTLA-4, or to induce or inhibit altered level of T cell proliferation response greater compared to that generated by human B7-1. The polypeptides and polynucleotides of the invention are useful in therapeutic and prophylactic treatment methods, gene therapy applications, and vaccines.
Abstract:
A method of designing a polynucleotide sequence encoding a polypeptide sequence of a predetermined polypeptide is provided. A frequency lookup table corresponding to an expression system is obtained. The table comprises a plurality of sequence elements and a plurality of frequency ranges, each frequency range for a corresponding sequence element. Each frequency range is a range of frequencies with which a corresponding sequence element can occur in a polynucleotide. The polynucleotide sequence is defined using the frequency lookup table by determining, for each respective sequence element in the frequency lookup table, whether the respective sequence element encodes a portion of the polypeptide sequence. When the respective sequence element encodes a portion of the polypeptide sequence, the sequence element is incorporated into the polynucleotide at a frequency of occurrence that is within the frequency range specified for the respective sequence element in the lookup table.