Immunogen sequence: DGSTGFSSRL AATQDLPFIH QSSELGDLDT WQENTNAWEE EEDAAWQAEE VLRQQKLADR EKRAAEQQRK KMEKEAQRLM KKEQNKIGVK L. This gene was identified as an estrogen-responsive gene. Regulation of transcription by estrogen is mediated by estrogen receptor wh