TY - Protein Cell A1 - Ping Chen,Ping Zhu,Guohong Li T1 - New insights into the helical structure of 30-nm chromatin fibers Y1 - 2014-07-31 JF - Protein & Cell JO - Protein Cell SP - 489 EP - 491 VL - 5 IS - 7 UR - https://journal.hep.com.cn/pac N1 - 10.1007/s13238-014-0080-x ER -