Supplemental Table 1. Summary of Known CArG-Containing Genes in Mouse Genome Symbol Alias #CArG Conserved CArG Sequence Position Region CTC1 Cardiac alpha actin 5 cCCAAACATGGttg -1397 Prom agctCCCTATWTGGccat -98 prom cccctccccttCCTTACATGGtctggg -61 prom tgcccttggctCCAWGAATGGcctc -10 prom gaCCAAATAAGGcaaggtggcaga 30 5'UTR ACTA2 Smooth muscle alpha actin 5 tgtgctgaggtCCCTATATGGttgtgttag -140 prom gtctttgctCCTTGTTTGGgaagc -90 prom ttcatgaCTAAATATGGtttg 927 intron 1 TCATTTTTGGcac 994 intron 1 gtgttttaCCTAATTAGGaaatgct 1084 intron 1 ACTA1 Skeletal muscle alpha actin 3 ctCCATATACGGc -202 prom ctCCTTCTTTGGtca -176 prom acacCCAAATATGGct -95 prom ACTG2 Smooth muscle gamma actin 4 ctgCCATTCTTGGtatgg -338 prom caGCTTATAAGGcctggtgt -278 prom caCCTTATATGGtaatattgcta -110 prom cacaccgtcagctggCCTTTTTAGGgact -73 prom ACTG1 Cytoplasmic gamma actin 4 cttgaCTAAATAAGGc -2142 prom tcgCCAAATATGGccgcg -1988 prom ggaaagatcgCCATATATGGacatgttctg -92 prom aCAAATTTTGGttttctactgtt 2742 3'UTR ACTB Cytoplasmic beta actin 3 gtCCWTATATGGa -1445 prom gttccgaaagttgCCTTTTATGGctcga -72 prom gtttgCCTTTTATGGtaataacgcggccg 777 exon 2 MYH6 Alpha cardiac MHC 2 cagaCCTTTCWTGGgcaaa -179 prom aggactCCAAATTTAG -60 prom MYH7 Beta cardiac MHC 1 caggCCTTATTTGGtc -2600 prom MYH11 Smooth muscle MHC 3 aCCATATTTAGtcagggggagcc -1479 prom CCTTTTTGGGttgtctcccgcc -1398 prom gcctcgacttCCTTTTATGGcctg -1227 prom MYH4 Skeletal MHC IIb 1 aaagagattgCCAAAAATGGttttgccaag -320 prom TNNT2 Cardiac troponin T 3 CCTTWCAAGGacCCAAAAAYGG -1239 prom GCTTATATGGcgtggggtac -200 prom ggcacctgCCAAAATAGCagccaacac -150 prom CNN1 Smooth muscle calponin 4 gattCTATAAATGGccaag -3149 prom cgccgcgCCTTATAAGGcggcct 846 intron 1 cCCAAGTTTGGc 1522 intron 1 attgCCTTAGTTGGg 1737 intron 1 TAGLN1 SM22 2 CCATAAAAGG -237 prom ggtgtctttccCCAAATATGGagcctgtg -110 prom TPM1 Alpha Tropomyosin 3 ggctcgggtccCCATATATAGtcatatcca -162 prom aagcttttCCAAAAAAGTattggctgtc -22 prom tagctcagtgCTTTATATGG 2122 intron 2 TPM2 Beta tropomyosin 4 CCATATTAAG -1812 prom gaaacatcCCAAAAAAGGgcagaaaag -854 prom ctCCAGTTTTGG 1838 intron 2 tCTATATATGGtg 2499 intron 2 MYLK Telokin 2 atcCCTTTTATGGgagttgaagcac -64 prom tgcCCATAWGAGGc 2293 intron 1 MYL4 Myosin light chain 1A (alkali) 2 tcttCCTTTTATAGtcagcagcagttgct -97 prom The CArG sequences in bold are those that have been experimentally validated. All sequences shown are conserved in human. The position of each CArG element is relative to the annotated TSS.