Coarse buckets used for colouring: "AP-1 / bZIP" (FOS/JUN/BATF/BACH/MAF/JDP/ ATF/NFE2, incl. dimers), "ZNF / GC" (ZNF/VEZF/RREB/GLIS/PLAGL/ZBTB/SP/KLF/EGR/ ZIC/WT1/CTCF), else "Other". Matching is case-insensitive and matches either side of a dimer name (e.g. "FOSL1::JUND").
ascTFFamily(tf)character vector of family labels.