[Problem] To provide novel compounds that are S1P1 receptor agonists and exhibit an immunosuppressive activities by inducing lymphocyte sequestration in secondary lymphoid tissues. In addition, to provide a pharmaceutical agent which comprises the compounds as an effective component, in particular to provide a therapeutic and/or prophylactic agent for an autoimmune disease and the like. [Solving Means] Amino acid compounds that are represented by the following Formula (1) are provided ##STR00001##