Journal Article Research Support, Non-U.S. Gov't 67763-96-6 EC 3.1.3.48 FOXP3 FOXP3 protein, human Forkhead Transcription Factors Insulin-Like Growth Factor I Leukocyte Common Antigens RNA, Messenger Receptors, Interleukin-2 Regulatory T cells (Treg) STAT5 STAT5 Transcription Factor STAT5A protein, human STAT5B protein, human T cell development T cell receptor excision circles TREC Treg Tumor Suppressor Proteins bcl-X Protein conformation force field forkhead box P3 free energy calculation partial charge regulatory T cell