The nucleic acid of vB_PshM_Y4 was extracted using the OMEGA Bio-Tek Viral DNA Kit (Cat. No. D3892-02) according to the manufacturers instructions. The purified viral genomic DNA was sequenced using the Illumina NovaSeq 6000 platform with 2150 bp paired-end sequencing. The sequencing was conducted by Biozeron Biotechnology Co., Ltd. in Shanghai, China.