PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9237902-6 1997 There is a complex relationship involving DNA supercoiling and potassium glutamate concentration on Fis activation, but most efficient transcription occurs under high salt conditions when the superhelical density is above -0.03. Glutamic Acid 63-82 long intergenic non-protein coding RNA 1554 Homo sapiens 100-103