TC 14012, a peptidomimetic compound, acts as both an antagonist to the chemokine (C-X-C motif) receptor 4 (CXCR4; IC50 = 2.9 nM) and as an agonist for CXCR7, effectively recruiting β-arrestin in HEK293T cells that express CXCR7 (EC50 = 350 nM). Moreover, it demonstrates significant antiviral activity by reducing the cytopathic effects of HIV in MT-4 cells with an EC50 value of 0.4 nM and inhibiting HIV entry in vitro through a CXCR4-dependent pathway (IC50 = 19.3 nM). Additionally, TC 14012 suppresses chemokine (C-X-C motif) ligand 12 (CXCL12)-induced migration in MDA-MB-231 breast cancer and human umbilical vein endothelial cells (HUVECs) within the 10 to 1,000 nM concentration range. In a mouse model, administration of TC 14012 at 10 mg/kg significantly reduced infarct size following acute myocardial infarction induced by ligation of the left anterior descending (LAD) coronary artery.