Cryogenic electron microscopy reveals how dCas12f with σE recruits RNAP to targeted DNA, initiating transcription at a fixed downstream distance, bypassing canonical −35 recognition and stabilizing the −10 element in an unusual manner.
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National squad prepares for World Cup qualifying matches against Spanish and Icelandic teams
为提升长期竞争力，顶级橄榄球联盟将于下赛季起实施俱乐部最低薪资标准，设定为540万英镑。上月，橄榄球联合会理事会通过决议，在2029-30赛季前维持现有十支球队的联赛规模，届时若满足财务与竞技准入条件，有望新增两支参赛队伍。