Structural and Phylogenetic Analysis of <i>CXCR4</i> Protein Reveals New Insights into Its Role in Emerging and Re-Emerging Diseases in Mammals oleh Fouzia Naheed, Rabia Mumtaz, Sana Shabbir, Arshad Jamil, Akhtar Rasool Asif, Abdur Rahman, Hafiz Ishfaq Ahmad, Muhammad Essa, Hammad Akhtar, Samy F. Mahmoud, Fatimah Othman Alghamdi, Hala Abdulrahman Al Amari, Jinping Chen