Hepatitis A virus specific nano antibody and application thereof

The invention discloses a hepatitis A virus specific nano antibody. The amino acid sequence of the hepatitis A virus specific nano antibody is as shown in SEQ ID NO. 1, SEQ ID NO. 2, SEQ ID NO. 3, SEQ ID NO. 4, SEQ ID NO. 5, SEQ ID NO. 6, SEQ ID NO. 7 or SEQ ID NO. 8. The nano antibody has specific recognition and binding capacity to hepatitis A virus, can be used for research and development of hepatitis A virus detection reagents and preparation of anti-hepatitis A virus drugs, overcomes the defects of an existing hepatitis A virus detection technology, and has wide clinical application prospects. 本发明公开了一种甲型肝炎病毒特异性纳米抗体，其氨基酸序列如SEQ ID NO.1、SEQ ID NO.2、SEQ ID NO.3、SEQ ID NO.4、SEQ ID NO.5、SEQ ID NO.6、SEQ ID NO.7或SEQ ID NO.8所示。本发明的纳米抗体对甲型肝炎病毒具有特异的识别和结合能力，可用于甲型肝炎病毒检测试剂的研发以及抗甲型肝炎病毒药物的制备，解决了现有甲型肝炎病毒检测技术的不足，具有广阔的临床应用前景。