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PROTEIN APPROPRIATE FOR ORIENTATION-CONTROLLED IMMOBILIZATION AND IMMOBILIZATION CARRIER ON WHICH THE PROTEINS ARE IMMOBILIZED
PROTEIN APPROPRIATE FOR ORIENTATION-CONTROLLED IMMOBILIZATION AND IMMOBILIZATION CARRIER ON WHICH THE PROTEINS ARE IMMOBILIZED
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机译:适用于定向控制的固定化蛋白和固定化蛋白的载体
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摘要
An object of the present invention is to provide a novel protein having the following amino acid sequence altered for specifically and efficiently binding a protein to an immobilization carrier via the carboxy terminus. The protein is used for immobilizing a portion represented by R1-R2 on an immobilization carrier, comprising the amino acid sequence represented by the general formula R1-R2-R3-R4-R5 [wherein:the sequences are oriented from the amino terminal side to the carboxy terminal side;the sequence of the R1 portion is the sequence of a subject protein to be immobilized and contains neither a lysine residue nor a cysteine residue;the sequence of the R2 portion may be absent, but when the sequence of the R2 portion is present, the sequence of the R2 portion is a spacer sequence composed of amino acid residues other than lysine and cysteine residues;the sequence of the R3 portion is composed of two residues of amino acid represented by cysteine-X (where X denotes an amino acid residue other than lysine or cysteine);the sequence of the R4 portion may be absent, but when the sequence of the R4 portion is present, the sequence of the R4 portion contains neither a lysine residue nor a cysteine residue, but contains an acidic amino acid residue capable of acidifying the isoelectric point of the entire protein comprising the amino acid sequence represented by the general formula R1-R2-R3-R4-R5; andthe sequence of an R5 portion is an affinity tag sequence for protein purification.展开▼