Abstract:
PROBLEM TO BE SOLVED: To provide a conjugate of alkaline phosphatase available for a quantitative determination of the alkaline phosphatase as a standard and reproducibly produced by a simple method. SOLUTION: The conjugate of tissue non-specific alkaline phosphatase (tns-AP) and dextran in the invention is obtained by reacting a non-glycosylated tns-AP with an activated dextran in an aqueous solution , stopping the reaction, and isolating the conjugate of tns-AP and dextran from the solution. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a peptide having an increased thermal stability and a thermally stable DNA polymerase activity and a method for forming a purified peptide. SOLUTION: Disclosed is a peptide having a specific amino acid sequence and a DNA polymerase activity. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a terminal deoxynucleotidyl transferase having uniform state with sufficient enzymatic activity. SOLUTION: The transferase is a truncated TdT derivative wherein at most 161 amino acids at the N-terminal are truncated and exhibiting enzymatic activity in a solution containing Co 2+ ion corresponding to 20-30 times the enzymatic activity of natural terminal deoxynucleotidyl transferase (TdT). COPYRIGHT: (C)2004,JPO
Abstract:
A process for the production of an antifusogenic peptide of a length of about 10 to 50 amino acids in a prokaryotic host cell, characterized in that, under such conditions that inclusion bodies of said non-fusion antifusogenic peptide or said fusion peptide are formed, a) in said host cell there is expressed a nucleic acid encoding said antifusogenic peptide as a non-fusion peptide or encoding a fusion peptide of a length of about 14 to 70 amino acids consisting of said antifusogenic peptide N-terminally linked to a further peptide of a length of about 4 to 30 amino acids; b) said host cell is cultivated; c) said inclusion bodies are recovered and solubilized; d) in the case of said fusion peptide said antifusogenic peptide is cleaved off from said further peptide; and e) said antifusogenic peptide is isolated.
Abstract:
It was found that a fragment of native Thermus aquaticus DNA polymerase (TaqWT) lacking 288 N-terminal amino acids (Taq DELTA 288) possesses an increased thermostability over TaqWT, Taq DELTA 279, and Taq DELTA 289. The present invention therefore provides Taq DELTA 288, recombinant expression vectors encoding the same or derivatives thereof, as well as purification protocols for Taq DELTA 288. The invention also encompasses kits containing Taq DELTA 288 as well as the use of Taq DELTA 288 and kits containing Taq DELTA 288. In addition, the invention encompasses methods for the sequencing a nucleic acid template and methods for amplifying a target nucleic acid.
Abstract:
It was found that a fragment of native Thermus aquaticus DNA polymerase (TaqWT) lacking 288 N-terminal amino acids (Taq DELTA 288) possesses an increased thermostability over TaqWT, Taq DELTA 279, and Taq DELTA 289. The present invention therefore provides Taq DELTA 288, recombinant expression vectors encoding the same or derivatives thereof, as well as purification protocols for Taq DELTA 288. The invention also encompasses kits containing Taq DELTA 288 as well as the use of Taq DELTA 288 and kits containing Taq DELTA 288. In addition, the invention encompasses methods for the sequencing a nucleic acid template and methods for amplifying a target nucleic acid.
Abstract:
Truncated terminal deoxynucleotidyl transferase (TdT) derivative from calf thymus characterized in that the derivative in comparison to the native TdT is N- terminally truncated by up to 161 amino acids and has a 20- 30-fold higher enzyme activity in solutions containing Co~ions, and it's recombinant production and use.
Abstract:
It was found that a fragment of native Thermus aquaticus DNA polymerase (TaqWT) lacking 288 N-terminal amino acids (Taq.DELTA.288) possesses an increased thermostability over TaqWT, Taq.DELTA.279, and Taq.DELTA.289. The present invention therefore provides Taq.DELTA.288, recombinant expression vectors encoding th e same or derivatives thereof, as well as purification protocols for Taq.DELTA.288. Th e invention also encompasses kits containing Taq.DELTA.288 as well as the use of Taq.DELTA.288 and kits containing Taq.DELTA.288. In addition, the invention encompasses methods for the sequencing a nucleic acid template and methods for amplifying a target nucle ic acid.