BOB 1, BOB-1, OBF 1, OBF1, OCA B, OCA-B, OCAB, OCT binding factor 1, Pou2af1,
Transcriptional coactivator that specifically associates with either OCT1 or OCT2. It boosts the OCT1 mediated promoter activity and to a lesser extent, that of OCT2. It has no intrinsic DNA-binding activity. It recognizes the POU domains of OCT1 and OCT2. It is essential for the response of B-cells to antigens and required for the formation of germinal centers.
