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Abstract Despite its economic, cultural and biological importance, many genes haven{u2019}t been depicted, sequenced or analyzed to date for Camelusdromedarius. The CYP2J2had been described in different mammalian species; however, no studies have described this gene inCamelusdromedarius. In the present study, the full-length c-DNA of the novel CYP2J2 (GenBank accession number MH511989) was cloned from the liver, heart, and kidney mRNA by the RACE-PCR. The full-length cDNA of the cloned CYP2J2 was sequenced and analyzed using bioinformatics methods. The full-length cDNA sequence was 2135 bp with no introns. The open reading frame (ORF) had 1341 nucleotides which coded for a putative protein of 446 amino acids. The deduced protein is located in the endoplasmic reticulum. It has two transmembrane regions. The nucleotides and deduced amino acids sequences of the cloned CYP2J2 were 1400 nucleotides and 47 amino acids shorter than the predicted homolog, respectively. This study is considered the first report investigating the differential expression profiles of the CYP2J2 mRNA and protein in the liver, heart, and kidney of Camelusdromedarius.A total of 30 samples were used to determine the expression of both CYP2J2 mRNA and protein using the qRT-PCR and western blotting methods, respectively |