It is applied in mode in a Ge Real, Ti Gong Knot closes the Wei Kang Body Single Body of PSMA. Wei Kang Body Single Body is closed scFv sequence, Ren Gong Hinge Chain sequence and the human IgG CH3 sequence of PSMA by nucleotide sequence Knitting Code, The nucleotide sequence from N-terminal to C-terminal comprising Ke Knot. It is applied in mode in another Real, Ti Gong Knot closes the CysDB Single Body of PSMA. CysDB Single Body can be closed scFv sequence and the cysteine tail portion of PSMA by nucleotide sequence Knitting Code, The nucleotide sequence from N-terminal to C-terminal comprising Ke Knot. Applied in mode in other Real, Ti Gong ?Broken or control Treatment Ge Body Zhong With PSMA Biao Da You Off cancer method.在一個實施方式中，提供了結合PSMA的微抗體單體。微抗體單體由核苷酸序列編碼，該核苷酸序列自N端至C端包含可結合PSMA的scFv序列、人工鉸鏈序列和人IgG CH3序列。在另一實施 方式中，提供了結合PSMA的CysDB單體。CysDB單體可由核苷酸序列編碼，該核苷酸序列自N端至C端包含可結合PSMA的scFv序列和半胱氨酸尾部。在其他實施方式中，提供了診斷或治療個體中與PSMA表達有關的癌症的方法。
