chr15 : 88,769,520 88,769,934
414 bp 107 TFs 0 linked genes
This 414 bp open chromatin element has no linked target genes and is bound by 107 transcription factors.
Linked Genes
No linked genes
Chromatin Accessibility

Genome Browser

Genomic view centred on this element. Tracks include ATAC-seq accessibility, RNA-seq expression, TF binding peaks, and element-to-gene loop arcs across the ESC → DE time course.

View limited to ±500 kb around this element.
For the full data, please see the UCSC track linked below.
chr15:88,764,520 – 88,774,934
This element Other elements ATAC-seq RNA-seq

Transcription factors with ChIP-seq peak overlap or TOBIAS motif footprint evidence at this element.

TF Binding
107 transcription factors
Source
Cell type
AGO1 2 datasets
ChIP Hep-G2 ENCSR555ZMV.AGO1.Hep-G2 215 bp overlap
ChIP Hep-G2 ENCSR555ZMV.AGO1.Hep-G2 140 bp overlap
AR 4 datasets
ChIP LNCaP-abl GSE39459.AR.LNCaP-abl 128 bp overlap
ChIP LNCaP-clone-FGC_DHT-ABBV-075 GSE118247.AR.LNCaP-clone-FGC_DHT-ABBV-075 126 bp overlap
ChIP MCF-7 GSE48930.AR.MCF-7 77 bp overlap
ChIP prostate_fetal-fibroblast GSE90772.AR.prostate_fetal-fibroblast 148 bp overlap
ARNT 2 datasets
ChIP 501-mel GSE95280.ARNT.501-mel 162 bp overlap
ChIP SK-MEL-28 GSE85352.ARNT.SK-MEL-28 414 bp overlap
ASH2L 3 datasets
ChIP H1 ENCFF399KAM 187 bp overlap
ChIP H1 ENCFF399KAM 414 bp overlap
ChIP WA01 ENCSR850KIP.ASH2L.WA01 414 bp overlap
ATF1 1 dataset
ChIP HCT-116 GSE130477.ATF1.HCT-116 295 bp overlap
BCOR 4 datasets
ChIP WA01 GSE104690.BCOR.WA01 171 bp overlap
ChIP WA01 GSE104690.BCOR.WA01 141 bp overlap
ChIP WA01_RNF2-R GSE104690.BCOR.WA01_RNF2-R 414 bp overlap
ChIP WA01_RNF2-R_Doxycyclin GSE104690.BCOR.WA01_RNF2-R_Doxycyclin 414 bp overlap
BRD1 1 dataset
ChIP HUES-64 GSE104059.BRD1.HUES-64 254 bp overlap
BRD2 4 datasets
ChIP MV4-11_IBET151_500nM GSE120715.BRD2.MV4-11_IBET151_500nM 143 bp overlap
ChIP SK-MEL-147 GSE94488.BRD2.SK-MEL-147 414 bp overlap
ChIP SK-MEL-147_JQ1 GSE94488.BRD2.SK-MEL-147_JQ1 153 bp overlap
ChIP foreskin_NHM1-5 GSE94488.BRD2.foreskin_NHM1-5 168 bp overlap
BRD4 3 datasets
ChIP HEK293_sgNT GSE129407.BRD4.HEK293_sgNT 171 bp overlap
ChIP hESC GSE33281.BRD4.hESC 156 bp overlap
ChIP retina_AB1-FW15 GSE86981.BRD4.retina_AB1-FW15 367 bp overlap
CBFB 2 datasets
ChIP Hep-G2 ENCSR479RZV.CBFB.Hep-G2 130 bp overlap
ChIP ME-1 GSE46044.CBFB.ME-1 212 bp overlap
CDK9 2 datasets
ChIP A-375_A771726 GSE57431.CDK9.A-375_A771726 112 bp overlap
ChIP A-375_DMSO GSE57431.CDK9.A-375_DMSO 150 bp overlap
CEBPA 3 datasets
ChIP Hep-G2 ERP000209.CEBPA.Hep-G2 136 bp overlap
ChIP SKH1_CEBPA-ER GSE102697.CEBPA.SKH1_CEBPA-ER 74 bp overlap
ChIP T-47D_siCtrl GSE132649.CEBPA.T-47D_siCtrl 220 bp overlap
CEBPB 6 datasets
ChIP H1 ENCFF871PTR 173 bp overlap
ChIP HFOB_DIFF GSE82295.CEBPB.HFOB_DIFF 275 bp overlap
ChIP Hep-G2 ENCSR000BQI.CEBPB.Hep-G2 106 bp overlap
ChIP Hep-G2 ENCSR000EEX.CEBPB.Hep-G2 103 bp overlap
ChIP WA01 ENCSR000EBV.CEBPB.WA01 169 bp overlap
ChIP hMSC GSE68864.CEBPB.hMSC 124 bp overlap
CREB1 1 dataset
ChIP WA01 ENCSR000BSN.CREB1.WA01 180 bp overlap
CTCF 3 datasets
ChIP T-47D_NaCl-isotonic GSE111923.CTCF.T-47D_NaCl-isotonic 391 bp overlap
ChIP nerve_tibial ENCSR822PJT.CTCF.nerve_tibial 196 bp overlap
ChIP primary-glioblastoma_G523 GSE121601.CTCF.primary-glioblastoma_G523 174 bp overlap
Cebpa 10 datasets
ChIP BLaER1 ENCFF031ISE 242 bp overlap
ChIP BLaER1 ENCFF262VBH 414 bp overlap
ChIP BLaER1 ENCFF274GAT 414 bp overlap
ChIP BLaER1 ENCFF335XTP 327 bp overlap
ChIP BLaER1 ENCFF346MCV 56 bp overlap
ChIP BLaER1 ENCFF364PUR 249 bp overlap
ChIP BLaER1 ENCFF460KDD 235 bp overlap
ChIP BLaER1 ENCFF538NOH 312 bp overlap
ChIP BLaER1 ENCFF680YXW 266 bp overlap
ChIP BLaER1 ENCFF896HSY 327 bp overlap
E2F5 1 dataset
ChIP WTC11 ENCFF449LLF 357 bp overlap
E2F6 1 dataset
ChIP WA01 ENCSR000BSI.E2F6.WA01 193 bp overlap
EGR1 1 dataset
ChIP T-HESCs GSE141063.EGR1.T-HESCs 54 bp overlap
EP300 2 datasets
ChIP osteoblast ENCSR000AUD.EP300.osteoblast 311 bp overlap
ChIP tibial nerve ENCFF346AYA 402 bp overlap
ERG 2 datasets
ChIP CD34_NR29 GSE23730.ERG.CD34_NR29 162 bp overlap
ChIP MCF-7 GSE23730.ERG.MCF-7 120 bp overlap
ESR1 10 datasets
ChIP Ishikawa GSE99905.ESR1.Ishikawa 414 bp overlap
ChIP Ishikawa_siNTC-72h GSE129803.ESR1.Ishikawa_siNTC-72h 234 bp overlap
ChIP MCF-7 GSE48930.ESR1.MCF-7 117 bp overlap
ChIP MCF-7_PaPE-1 GSE93510.ESR1.MCF-7_PaPE-1 406 bp overlap
ChIP MCF-7_PaPE-1_OA GSE93510.ESR1.MCF-7_PaPE-1_OA 409 bp overlap
ChIP MCF-7_Veh_OA GSE93510.ESR1.MCF-7_Veh_OA 414 bp overlap
ChIP MCF-7_Y537S_DMSO GSE148277.ESR1.MCF-7_Y537S_DMSO 184 bp overlap
ChIP MCF-7_aldosterone GSE99626.ESR1.MCF-7_aldosterone 414 bp overlap
ChIP MCF-7_estradiol-aldosterone_45min GSE99626.ESR1.MCF-7_estradiol-aldosterone_45min 174 bp overlap
ChIP MCF-7_vehicle_45min_I2 GSE99626.ESR1.MCF-7_vehicle_45min_I2 227 bp overlap
EZH2 27 datasets
ChIP A673 ENCFF790MVL 414 bp overlap
ChIP A673 ENCFF790MVL 372 bp overlap
ChIP A673 ENCFF955JRZ 414 bp overlap
ChIP GM23338 ENCFF613YON 385 bp overlap
ChIP GM23338 ENCSR045YHA.EZH2.GM23338 414 bp overlap
ChIP H1 ENCFF232NZA 385 bp overlap
ChIP Hep-3B2-1-7 GSE128137.EZH2.Hep-3B2-1-7 158 bp overlap
ChIP LNCaP-abl GSE39459.EZH2.LNCaP-abl 414 bp overlap
ChIP PC-9 ENCSR793USK.EZH2.PC-9 414 bp overlap
ChIP T98G GSE112240.EZH2.T98G 89 bp overlap
ChIP T98G GSE112240.EZH2.T98G 219 bp overlap
ChIP THP-1 GSE135024.EZH2.THP-1 414 bp overlap
ChIP VCaP_DHAT_2H GSE28950.EZH2.VCaP_DHAT_2H 414 bp overlap
ChIP VCaP_ETOH GSE28950.EZH2.VCaP_ETOH 386 bp overlap
ChIP WA01 ENCSR000ASY.EZH2.WA01 414 bp overlap
ChIP astrocyte ENCSR000ARR.EZH2.astrocyte 168 bp overlap
ChIP endothelial_umbilical-vein ENCSR000ATA.EZH2.endothelial_umbilical-vein 264 bp overlap
ChIP hESC GSE113817.EZH2.hESC 228 bp overlap
ChIP hepatocyte ENCSR384LYW.EZH2.hepatocyte 414 bp overlap
ChIP keratinocyte ENCFF070STK 414 bp overlap
ChIP keratinocyte ENCSR000ARK.EZH2.keratinocyte 414 bp overlap
ChIP neural progenitor cell ENCFF018MKA 414 bp overlap
ChIP neural progenitor cell ENCFF018MKA 414 bp overlap
ChIP neural progenitor cell ENCFF472NFV 414 bp overlap
ChIP neural progenitor cell ENCFF472NFV 249 bp overlap
ChIP neural_progenitor ENCSR069DPL.EZH2.neural_progenitor 369 bp overlap
ChIP prostate-cancer_plko GSE107780.EZH2.prostate-cancer_plko 394 bp overlap
FOXA1 3 datasets
ChIP T-47D_shRNF2_8h GSE137579.FOXA1.T-47D_shRNF2_8h 215 bp overlap
ChIP breast-cancer_heregulin GSE101407.FOXA1.breast-cancer_heregulin 142 bp overlap
ChIP breast-cancer_heregulin-Herceptin-ICI GSE101407.FOXA1.breast-cancer_heregulin-Herceptin-ICI 333 bp overlap
FOXO1 1 dataset
ChIP primary-chondrocyte GSE144026.FOXO1.primary-chondrocyte 398 bp overlap
FOXP1 1 dataset
ChIP WTC11 ENCFF338WGC 414 bp overlap
FOXP4 1 dataset
ChIP Hep-G2 ENCSR232LLP.FOXP4.Hep-G2 121 bp overlap
GLIS3 1 dataset
ChIP H9_plus GSE109562.GLIS3.H9_plus 141 bp overlap
GTF3C2 1 dataset
ChIP H9 GSE94418.GTF3C2.H9 414 bp overlap
HDAC2 2 datasets
ChIP Hep-G2 ENCSR000BMC.HDAC2.Hep-G2 68 bp overlap
ChIP WA01 ENCSR000AVB.HDAC2.WA01 73 bp overlap
HEXIM1 1 dataset
ChIP HCT-116 GSE72622.HEXIM1.HCT-116 160 bp overlap
HIF1A 1 dataset
ChIP BEAS-2B_arsenic GSE145834.HIF1A.BEAS-2B_arsenic 130 bp overlap
HIF3A 1 dataset
ChIP Hep-3B2-1-7 GSE129491.HIF3A.Hep-3B2-1-7 412 bp overlap
HNRNPL 1 dataset
ChIP Hep-G2 GSE120104.HNRNPL.Hep-G2 161 bp overlap
HNRNPLL 5 datasets
ChIP Hep-G2 ENCSR804HMZ.HNRNPLL.Hep-G2 414 bp overlap
ChIP Hep-G2 GSE120104.HNRNPLL.Hep-G2 414 bp overlap
ChIP HepG2 ENCFF355PIC 402 bp overlap
ChIP HepG2 ENCFF952XAB 402 bp overlap
ChIP HepG2 ENCFF952XAB 364 bp overlap
HOXA3 1 dataset
ChIP Hep-G2 ENCSR999JKC.HOXA3.Hep-G2 276 bp overlap
INO80 3 datasets
ChIP Hep-G2 GSE97411.INO80.Hep-G2 414 bp overlap
ChIP Hep-G2 GSE107730.INO80.Hep-G2 414 bp overlap
ChIP Huh-7 GSE97411.INO80.Huh-7 414 bp overlap
IRF1 1 dataset
ChIP K-562_EPZ GSE129380.IRF1.K-562_EPZ 179 bp overlap
JARID2 4 datasets
ChIP AMIPS6 GSE48516.JARID2.AMIPS6 194 bp overlap
ChIP MRC-5_IPS25_CTR GSE48515.JARID2.MRC-5_IPS25_CTR 414 bp overlap
ChIP MRC-5_IPS25_MEG3 GSE48515.JARID2.MRC-5_IPS25_MEG3 414 bp overlap
ChIP UTEIPS6 GSE48516.JARID2.UTEIPS6 269 bp overlap
JUN 1 dataset
ChIP HAEC_IL1b_4h GSE89970.JUN.HAEC_IL1b_4h 122 bp overlap
KDM1A 1 dataset
ChIP H1 ENCFF696SGD 414 bp overlap
KDM4A 7 datasets
ChIP H1 ENCFF078LED 401 bp overlap
ChIP H1 ENCFF078LED 414 bp overlap
ChIP H1 ENCFF078LED 289 bp overlap
ChIP WA01 ENCSR000AVC.KDM4A.WA01 414 bp overlap
ChIP hiPSC_IA12 GSE106870.KDM4A.hiPSC_IA12 258 bp overlap
ChIP hiPSC_IA12 GSE106870.KDM4A.hiPSC_IA12 92 bp overlap
ChIP hiPSC_IIA11 GSE106870.KDM4A.hiPSC_IIA11 263 bp overlap
KDM4C 1 dataset
ChIP KYSE-150 GSE53938.KDM4C.KYSE-150 155 bp overlap
MITF 2 datasets
ChIP melanocyte_BRAFV600E GSE50681.MITF.melanocyte_BRAFV600E 156 bp overlap
ChIP melanocyte_CTR GSE50681.MITF.melanocyte_CTR 167 bp overlap
MTF2 1 dataset
ChIP DU145_SH4 GSE135623.MTF2.DU145_SH4 246 bp overlap
MYOD1 1 dataset
ChIP IMR-90_GM GSE128527.MYOD1.IMR-90_GM 414 bp overlap
NCAPH2 1 dataset
ChIP HEK293 GSE97540.NCAPH2.HEK293 414 bp overlap
NELFE 1 dataset
ChIP K-562_NHS GSE112379.NELFE.K-562_NHS 152 bp overlap
NFE2L2 3 datasets
ChIP A-375_A771726 GSE57431.NFE2L2.A-375_A771726 155 bp overlap
ChIP A-375_DMSO GSE57431.NFE2L2.A-375_DMSO 163 bp overlap
ChIP BEAS-2B_arsenic GSE145834.NFE2L2.BEAS-2B_arsenic 202 bp overlap
NFKB1 1 dataset
ChIP HEK293T_2KR GSE129618.NFKB1.HEK293T_2KR 237 bp overlap
OGG1 4 datasets
ChIP HEK293 GSE89017.OGG1.HEK293 414 bp overlap
ChIP HEK293_15min GSE89017.OGG1.HEK293_15min 414 bp overlap
ChIP HEK293_30_min GSE89017.OGG1.HEK293_30_min 414 bp overlap
ChIP HEK293_60_min GSE89017.OGG1.HEK293_60_min 414 bp overlap
OLIG2 2 datasets
ChIP brain-prefrontal-cortex_2017014 GSE129039.OLIG2.brain-prefrontal-cortex_2017014 414 bp overlap
ChIP brain-prefrontal-cortex_2018006 GSE129039.OLIG2.brain-prefrontal-cortex_2018006 414 bp overlap
OSR2 1 dataset
Motif DE_12h DE_12h-OSR2_MA1646.2 8 bp overlap
PATZ1 1 dataset
ChIP HepG2 ENCFF723PFC 221 bp overlap
PCBP1 1 dataset
ChIP Hep-G2 GSE120104.PCBP1.Hep-G2 95 bp overlap
PCGF1 1 dataset
ChIP WA01 GSE104690.PCGF1.WA01 414 bp overlap
PHF8 1 dataset
ChIP Hep-G2 ENCSR604VAE.PHF8.Hep-G2 106 bp overlap
POLR2A 1 dataset
ChIP GM23338 ENCFF450WCS 361 bp overlap
POU2F1 1 dataset
ChIP T-47D_D538G GSE148277.POU2F1.T-47D_D538G 163 bp overlap
POU5F1 6 datasets
ChIP BJ1-hTERT GSE92491.POU5F1.BJ1-hTERT 106 bp overlap
ChIP DE_D1 DED1-OCT4_Batch_II 414 bp overlap
ChIP SKM-1 GSE93706.POU5F1.SKM-1 260 bp overlap
ChIP WA01_3IL ERP004238.POU5F1.WA01_3IL 154 bp overlap
ChIP WA01_3IL ERP004238.POU5F1.WA01_3IL 129 bp overlap
ChIP hiPSC_3s2 GSE81899.POU5F1.hiPSC_3s2 241 bp overlap
POU5F1_M 1 dataset
ChIP DE_D1 DED1-OCT4-M_Batch_II 240 bp overlap
PRDM14 1 dataset
ChIP NCCIT GSE71675.PRDM14.NCCIT 414 bp overlap
RAD21 1 dataset
ChIP hiPSC_IV8 GSE106870.RAD21.hiPSC_IV8 89 bp overlap
RARA 1 dataset
ChIP TSU-1621MT GSE60477.RARA.TSU-1621MT 133 bp overlap
RBBP5 1 dataset
ChIP WA01 ENCSR000AQC.RBBP5.WA01 414 bp overlap
RBPJ 3 datasets
ChIP GSC8-11 GSE74557.RBPJ.GSC8-11 252 bp overlap
ChIP GSC8-11_12d-das GSE74557.RBPJ.GSC8-11_12d-das 414 bp overlap
ChIP GSC8-11_dasatinib GSE74557.RBPJ.GSC8-11_dasatinib 162 bp overlap
RELA 4 datasets
ChIP HEK293 GSE89017.RELA.HEK293 243 bp overlap
ChIP HEK293_30_min GSE89017.RELA.HEK293_30_min 380 bp overlap
ChIP HEK293_TNF-1h GSE75562.RELA.HEK293_TNF-1h 414 bp overlap
ChIP MCF-7_Veh GSE67295.RELA.MCF-7_Veh 198 bp overlap
REST 1 dataset
ChIP PANC-1 ENCSR000BJO.REST.PANC-1 122 bp overlap
RNF2 6 datasets
ChIP H1 ENCFF239FFS 335 bp overlap
ChIP H1 ENCFF239FFS 414 bp overlap
ChIP WA01 ENCSR784VUY.RNF2.WA01 414 bp overlap
ChIP WA09 GSE105028.RNF2.WA09 414 bp overlap
ChIP fibroblast GSE139053.RNF2.fibroblast 136 bp overlap
ChIP fibroblast GSE139053.RNF2.fibroblast 184 bp overlap
RORC 2 datasets
ChIP HCC70 GSE126380.RORC.HCC70 208 bp overlap
ChIP HCC70_XY018 GSE126380.RORC.HCC70_XY018 333 bp overlap
RUNX1 1 dataset
ChIP AML_age-50-70 GSE111821.RUNX1.AML_age-50-70 257 bp overlap
RUNX2 1 dataset
ChIP LNCaP-C4-2B GSE33889.RUNX2.LNCaP-C4-2B 264 bp overlap
RXR 1 dataset
ChIP TSU-1621MT GSE60477.RXR.TSU-1621MT 153 bp overlap
RYBP 1 dataset
ChIP WA01 GSE104690.RYBP.WA01 414 bp overlap
SALL3 1 dataset
ChIP hiPSC GSE104863.SALL3.hiPSC 243 bp overlap
SIRT6 2 datasets
ChIP SK-MEL-239_L-C-B GSE102813.SIRT6.SK-MEL-239_L-C-B 98 bp overlap
ChIP SK-MEL-239_L-C-B GSE102813.SIRT6.SK-MEL-239_L-C-B 176 bp overlap
SMAD3 2 datasets
ChIP H69_4Veh GSE145250.SMAD3.H69_4Veh 120 bp overlap
ChIP H69_5TGF GSE145250.SMAD3.H69_5TGF 216 bp overlap
SMAD4 1 dataset
ChIP Hep-G2_Ab_R516-1-1G12 GSE97661.SMAD4.Hep-G2_Ab_R516-1-1G12 89 bp overlap
SMARCA4 2 datasets
ChIP 22Rv1_PTEN-KO GSE115615.SMARCA4.22Rv1_PTEN-KO 169 bp overlap
ChIP hiPSC_WT GSE124903.SMARCA4.hiPSC_WT 270 bp overlap
SNAI2 1 dataset
ChIP SMS-CTR_shSNAI2 GSE137168.SNAI2.SMS-CTR_shSNAI2 206 bp overlap
SOX2 1 dataset
ChIP hiPSC GSE56567.SOX2.hiPSC 228 bp overlap
SREBP2 2 datasets
ChIP HCC70 GSE126380.SREBP2.HCC70 414 bp overlap
ChIP HCC70_XY018 GSE126380.SREBP2.HCC70_XY018 154 bp overlap
STAT3 6 datasets
ChIP A139 GSE85579.STAT3.A139 414 bp overlap
ChIP T-47D_JC4757 GSE126004.STAT3.T-47D_JC4757 255 bp overlap
ChIP T-47D_JC5054 GSE126004.STAT3.T-47D_JC5054 301 bp overlap
ChIP T-47D_JC5056 GSE126004.STAT3.T-47D_JC5056 395 bp overlap
ChIP T-47D_JC5062 GSE126004.STAT3.T-47D_JC5062 311 bp overlap
ChIP WA01 ERP004237.STAT3.WA01 414 bp overlap
STAT5A 1 dataset
ChIP MV4-11 GSE64862.STAT5A.MV4-11 115 bp overlap
STAT5B 1 dataset
ChIP CD8_H9 GSE64713.STAT5B.CD8_H9 108 bp overlap
SUZ12 5 datasets
ChIP CRL-7250_shSS18-SSX GSE108025.SUZ12.CRL-7250_shSS18-SSX 340 bp overlap
ChIP H1 ENCFF881NFR 333 bp overlap
ChIP K-562 ENCSR000AUC.SUZ12.K-562 210 bp overlap
ChIP hiPSC GSE124903.SUZ12.hiPSC 283 bp overlap
ChIP hiPSC_WT GSE124903.SUZ12.hiPSC_WT 314 bp overlap
TAF1 2 datasets
ChIP H1 ENCFF478SZO 350 bp overlap
ChIP WA01 ENCSR000BHO.TAF1.WA01 374 bp overlap
TFIIIC 1 dataset
ChIP HEK293 GSE119418.TFIIIC.HEK293 414 bp overlap
TRIM25 1 dataset
ChIP BT-549 GSE79588.TRIM25.BT-549 131 bp overlap
WDR5 1 dataset
ChIP SMMC-7721 GSE126982.WDR5.SMMC-7721 414 bp overlap
YY1 1 dataset
ChIP WA01 ENCSR000BKD.YY1.WA01 113 bp overlap
ZBTB48 2 datasets
ChIP U2OS GSE96776.ZBTB48.U2OS 414 bp overlap
ChIP U2OS_ZBTB48-KO GSE96776.ZBTB48.U2OS_ZBTB48-KO 414 bp overlap
ZBTB7A 2 datasets
ChIP VCaP_DHT GSE123089.ZBTB7A.VCaP_DHT 269 bp overlap
ChIP VCaP_FBS GSE123089.ZBTB7A.VCaP_FBS 278 bp overlap
ZFX 2 datasets
ChIP HEK293T_22Rv1 GSE145160.ZFX.HEK293T_22Rv1 382 bp overlap
ChIP HEK293T_FLAG GSE145160.ZFX.HEK293T_FLAG 232 bp overlap
ZNF121 1 dataset
ChIP WTC11 ENCFF291API 178 bp overlap
ZNF44 1 dataset
ChIP HEK293T GSE78099.ZNF44.HEK293T 226 bp overlap
ZNF800 3 datasets
ChIP Hep-G2 ENCSR701WPG.ZNF800.Hep-G2 363 bp overlap
ChIP HepG2 ENCFF840FYM 414 bp overlap
ChIP HepG2 ENCFF840FYM 235 bp overlap