TY - GEN AU - Schleif,R TI - Gene regulation: why should DNA loop? SN - 0028-0836 PY - 1987///0630 KW - DNA KW - genetics KW - Genes, Regulator KW - Transcription, Genetic N1 - Publication Type: News UR - https://doi.org/10.1038/327369a0 ER -