chr4 : 91,791,242 91,792,060
818 bp 125 TFs 0 linked genes
This 818 bp open chromatin element has no linked target genes and is bound by 125 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.
chr4:91,786,242 – 91,797,060
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
125 transcription factors
Source
Cell type
ATF4 3 datasets
Motif DE_12h DE_12h-ATF4_MA0833.3 10 bp overlap
Motif DE_24h DE_24h-ATF4_MA0833.3 10 bp overlap
Motif DE_36h DE_36h-ATF4_MA0833.3 10 bp overlap
BRD4 3 datasets
ChIP SUM159PT_100nMtrametinib_24h GSE87418.BRD4.SUM159PT_100nMtrametinib_24h 80 bp overlap
ChIP SUM159PT_100nMtrametinib_8h GSE87418.BRD4.SUM159PT_100nMtrametinib_8h 101 bp overlap
ChIP SUM159PT_shMYC_dox_48h GSE87418.BRD4.SUM159PT_shMYC_dox_48h 89 bp overlap
CEBPG 3 datasets
Motif DE_12h DE_12h-CEBPG_MA1636.2 10 bp overlap
Motif DE_24h DE_24h-CEBPG_MA1636.2 10 bp overlap
Motif DE_36h DE_36h-CEBPG_MA1636.2 10 bp overlap
CTCF 5 datasets
Motif DE_12h DE_12h-CTCF_MA1929.2 31 bp overlap
Motif DE_12h DE_12h-CTCF_MA1929.2 31 bp overlap
Motif DE_12h DE_12h-CTCF_MA1930.2 33 bp overlap
Motif DE_24h DE_24h-CTCF_MA1929.2 31 bp overlap
Motif DE_24h DE_24h-CTCF_MA1930.2 33 bp overlap
EBF1 3 datasets
Motif DE_12h DE_12h-EBF1_MA0154.5 11 bp overlap
Motif DE_24h DE_24h-EBF1_MA0154.5 11 bp overlap
Motif DE_36h DE_36h-EBF1_MA0154.5 11 bp overlap
EGR2 1 dataset
ChIP HEK293 ENCFF336LFH 425 bp overlap
EGR4 1 dataset
Motif DE_12h DE_12h-EGR4_MA0733.2 11 bp overlap
ESR1 2 datasets
Motif DE_12h DE_12h-ESR1_MA0112.4 15 bp overlap
ChIP Ishikawa_siNTC-96h GSE129803.ESR1.Ishikawa_siNTC-96h 205 bp overlap
ESR2 4 datasets
Motif DE_12h DE_12h-ESR2_MA0258.2 15 bp overlap
Motif DE_12h DE_12h-ESR2_MA0258.2 15 bp overlap
Motif DE_24h DE_24h-ESR2_MA0258.2 15 bp overlap
Motif DE_36h DE_36h-ESR2_MA0258.2 15 bp overlap
Ebf4 3 datasets
Motif DE_12h DE_12h-Ebf4_MA2122.1 11 bp overlap
Motif DE_24h DE_24h-Ebf4_MA2122.1 11 bp overlap
Motif DE_36h DE_36h-Ebf4_MA2122.1 11 bp overlap
FEZF2 3 datasets
Motif DE_12h DE_12h-FEZF2_MA2341.1 8 bp overlap
Motif DE_12h DE_12h-FEZF2_MA2341.1 8 bp overlap
Motif DE_24h DE_24h-FEZF2_MA2341.1 8 bp overlap
FIGLA 5 datasets
Motif DE_12h DE_12h-FIGLA_MA0820.2 6 bp overlap
Motif DE_12h DE_12h-FIGLA_MA0820.2 6 bp overlap
Motif DE_12h DE_12h-FIGLA_MA0820.2 6 bp overlap
Motif DE_24h DE_24h-FIGLA_MA0820.2 6 bp overlap
Motif DE_36h DE_36h-FIGLA_MA0820.2 6 bp overlap
FOXA1 3 datasets
Motif DE_12h DE_12h-FOXA1_MA0148.5 8 bp overlap
Motif DE_24h DE_24h-FOXA1_MA0148.5 8 bp overlap
ChIP MCF-7 ENCFF465LTH 391 bp overlap
FOXA2 6 datasets
ChIP DE DE-FOXA2-1 575 bp overlap
ChIP DE DE-FOXA2-2 557 bp overlap
Motif DE_12h DE_12h-FOXA2_MA0047.4 8 bp overlap
Motif DE_24h DE_24h-FOXA2_MA0047.4 8 bp overlap
ChIP HepG2 ENCFF570ABM 230 bp overlap
ChIP HepG2 ENCFF894AYY 381 bp overlap
FOXA3 2 datasets
Motif DE_12h DE_12h-FOXA3_MA1683.2 7 bp overlap
Motif DE_24h DE_24h-FOXA3_MA1683.2 7 bp overlap
FOXB1 2 datasets
Motif DE_12h DE_12h-FOXB1_MA0845.1 11 bp overlap
Motif DE_24h DE_24h-FOXB1_MA0845.1 11 bp overlap
FOXC1 2 datasets
Motif DE_12h DE_12h-FOXC1_MA0032.2 11 bp overlap
Motif DE_24h DE_24h-FOXC1_MA0032.2 11 bp overlap
FOXC2 2 datasets
Motif DE_12h DE_12h-FOXC2_MA0846.2 11 bp overlap
Motif DE_24h DE_24h-FOXC2_MA0846.2 11 bp overlap
FOXD1 2 datasets
Motif DE_12h DE_12h-FOXD1_MA0031.2 7 bp overlap
Motif DE_24h DE_24h-FOXD1_MA0031.2 7 bp overlap
FOXD2 2 datasets
Motif DE_12h DE_12h-FOXD2_MA0847.4 11 bp overlap
Motif DE_24h DE_24h-FOXD2_MA0847.4 11 bp overlap
FOXD3 2 datasets
Motif DE_12h DE_12h-FOXD3_MA0041.3 14 bp overlap
Motif DE_24h DE_24h-FOXD3_MA0041.3 14 bp overlap
FOXE1 2 datasets
Motif DE_12h DE_12h-FOXE1_MA1487.3 12 bp overlap
Motif DE_24h DE_24h-FOXE1_MA1487.3 12 bp overlap
FOXF2 2 datasets
Motif DE_12h DE_12h-FOXF2_MA0030.2 9 bp overlap
Motif DE_24h DE_24h-FOXF2_MA0030.2 9 bp overlap
FOXG1 2 datasets
Motif DE_12h DE_12h-FOXG1_MA0613.1 8 bp overlap
Motif DE_24h DE_24h-FOXG1_MA0613.1 8 bp overlap
FOXI1 2 datasets
Motif DE_12h DE_12h-FOXI1_MA0042.2 7 bp overlap
Motif DE_24h DE_24h-FOXI1_MA0042.2 7 bp overlap
FOXK1 2 datasets
Motif DE_12h DE_12h-FOXK1_MA0852.3 7 bp overlap
Motif DE_24h DE_24h-FOXK1_MA0852.3 7 bp overlap
FOXK2 2 datasets
Motif DE_12h DE_12h-FOXK2_MA1103.3 7 bp overlap
Motif DE_24h DE_24h-FOXK2_MA1103.3 7 bp overlap
FOXL1 2 datasets
Motif DE_12h DE_12h-FOXL1_MA0033.2 7 bp overlap
Motif DE_24h DE_24h-FOXL1_MA0033.2 7 bp overlap
FOXN3 2 datasets
Motif DE_12h DE_12h-FOXN3_MA1489.1 8 bp overlap
Motif DE_24h DE_24h-FOXN3_MA1489.1 8 bp overlap
FOXO4 2 datasets
Motif DE_12h DE_12h-FOXO4_MA0848.1 7 bp overlap
Motif DE_24h DE_24h-FOXO4_MA0848.1 7 bp overlap
FOXO6 2 datasets
Motif DE_12h DE_12h-FOXO6_MA0849.1 7 bp overlap
Motif DE_24h DE_24h-FOXO6_MA0849.1 7 bp overlap
FOXP1 3 datasets
Motif DE_12h DE_12h-FOXP1_MA0481.4 7 bp overlap
Motif DE_24h DE_24h-FOXP1_MA0481.4 7 bp overlap
ChIP WTC11 ENCFF338WGC 525 bp overlap
FOXP2 2 datasets
Motif DE_12h DE_12h-FOXP2_MA0593.2 9 bp overlap
Motif DE_24h DE_24h-FOXP2_MA0593.2 9 bp overlap
FOXP3 2 datasets
Motif DE_12h DE_12h-FOXP3_MA0850.1 7 bp overlap
Motif DE_24h DE_24h-FOXP3_MA0850.1 7 bp overlap
FOXP4 2 datasets
Motif DE_12h DE_12h-FOXP4_MA2117.1 7 bp overlap
Motif DE_24h DE_24h-FOXP4_MA2117.1 7 bp overlap
FOXS1 2 datasets
Motif DE_12h DE_12h-FOXS1_MA2118.1 8 bp overlap
Motif DE_24h DE_24h-FOXS1_MA2118.1 8 bp overlap
Foxf1 2 datasets
Motif DE_12h DE_12h-Foxf1_MA1606.2 7 bp overlap
Motif DE_24h DE_24h-Foxf1_MA1606.2 7 bp overlap
Foxj2 2 datasets
Motif DE_12h DE_12h-Foxj2_MA0614.1 8 bp overlap
Motif DE_24h DE_24h-Foxj2_MA0614.1 8 bp overlap
Foxj3 2 datasets
Motif DE_12h DE_12h-Foxj3_MA0851.2 9 bp overlap
Motif DE_24h DE_24h-Foxj3_MA0851.2 9 bp overlap
Foxl2 2 datasets
Motif DE_12h DE_12h-Foxl2_MA1607.2 10 bp overlap
Motif DE_24h DE_24h-Foxl2_MA1607.2 10 bp overlap
Foxn1 1 dataset
Motif DE_12h DE_12h-Foxn1_MA1684.1 6 bp overlap
Foxo1 2 datasets
Motif DE_12h DE_12h-Foxo1_MA0480.3 7 bp overlap
Motif DE_24h DE_24h-Foxo1_MA0480.3 7 bp overlap
Foxo3 2 datasets
Motif DE_12h DE_12h-Foxo3_MA0157.4 7 bp overlap
Motif DE_24h DE_24h-Foxo3_MA0157.4 7 bp overlap
GLIS2 1 dataset
ChIP HEK293 ENCFF446EIF 390 bp overlap
JUN 3 datasets
Motif DE_12h DE_12h-JUN_MA0488.2 10 bp overlap
Motif DE_24h DE_24h-JUN_MA0488.2 10 bp overlap
Motif DE_36h DE_36h-JUN_MA0488.2 10 bp overlap
JUND 3 datasets
Motif DE_12h DE_12h-JUND_MA0492.2 11 bp overlap
Motif DE_24h DE_24h-JUND_MA0492.2 11 bp overlap
Motif DE_36h DE_36h-JUND_MA0492.2 11 bp overlap
KLF10 2 datasets
Motif DE_12h DE_12h-KLF10_MA1511.2 9 bp overlap
Motif DE_24h DE_24h-KLF10_MA1511.2 9 bp overlap
KLF12 2 datasets
Motif DE_12h DE_12h-KLF12_MA0742.2 9 bp overlap
Motif DE_24h DE_24h-KLF12_MA0742.2 9 bp overlap
KLF14 2 datasets
Motif DE_12h DE_12h-KLF14_MA0740.2 9 bp overlap
Motif DE_24h DE_24h-KLF14_MA0740.2 9 bp overlap
KLF16 3 datasets
Motif DE_12h DE_12h-KLF16_MA0741.1 11 bp overlap
Motif DE_12h DE_12h-KLF16_MA0741.1 11 bp overlap
Motif DE_24h DE_24h-KLF16_MA0741.1 11 bp overlap
KLF4 2 datasets
Motif DE_12h DE_12h-KLF4_MA0039.5 8 bp overlap
Motif DE_24h DE_24h-KLF4_MA0039.5 8 bp overlap
KLF5 4 datasets
Motif DE_12h DE_12h-KLF5_MA0599.1 10 bp overlap
Motif DE_12h DE_12h-KLF5_MA0599.1 10 bp overlap
Motif DE_24h DE_24h-KLF5_MA0599.1 10 bp overlap
Motif DE_24h DE_24h-KLF5_MA0599.1 10 bp overlap
KLF9 1 dataset
Motif DE_12h DE_12h-KLF9_MA1107.3 11 bp overlap
L3MBTL2 1 dataset
ChIP HEK293T ENCFF482NJV 541 bp overlap
MAF 2 datasets
Motif DE_12h DE_12h-MAF_MA1520.2 13 bp overlap
Motif DE_24h DE_24h-MAF_MA1520.2 13 bp overlap
MAX 2 datasets
ChIP WTC11 ENCFF223QFY 262 bp overlap
ChIP WTC11 ENCFF223QFY 585 bp overlap
MAZ 2 datasets
Motif DE_12h DE_12h-MAZ_MA1522.2 8 bp overlap
Motif DE_24h DE_24h-MAZ_MA1522.2 8 bp overlap
MED26 1 dataset
ChIP HCT-116_aux GSE121355.MED26.HCT-116_aux 198 bp overlap
MEF2C 2 datasets
Motif DE_12h DE_12h-MEF2C_MA0497.2 11 bp overlap
Motif DE_24h DE_24h-MEF2C_MA0497.2 11 bp overlap
MTF1 1 dataset
Motif DE_24h DE_24h-MTF1_MA0863.1 14 bp overlap
NFATC3 1 dataset
Motif DE_12h DE_12h-NFATC3_MA0625.3 6 bp overlap
NR1I2 3 datasets
Motif DE_12h DE_12h-NR1I2_MA1533.2 15 bp overlap
Motif DE_24h DE_24h-NR1I2_MA1533.2 15 bp overlap
Motif DE_36h DE_36h-NR1I2_MA1533.2 15 bp overlap
NR2F1 3 datasets
Motif DE_12h DE_12h-NR2F1_MA0017.3 12 bp overlap
Motif DE_24h DE_24h-NR2F1_MA0017.3 12 bp overlap
Motif DE_36h DE_36h-NR2F1_MA0017.3 12 bp overlap
Nanog 2 datasets
Motif DE_12h DE_12h-Nanog_MA2339.1 7 bp overlap
Motif DE_24h DE_24h-Nanog_MA2339.1 7 bp overlap
Nfat5 1 dataset
Motif DE_12h DE_12h-Nfat5_MA0606.3 8 bp overlap
Nfatc1 1 dataset
Motif DE_12h DE_12h-Nfatc1_MA0624.3 6 bp overlap
Nr2F6 3 datasets
Motif DE_12h DE_12h-Nr2F6_MA0728.1 15 bp overlap
Motif DE_24h DE_24h-Nr2F6_MA0728.1 15 bp overlap
Motif DE_36h DE_36h-Nr2F6_MA0728.1 15 bp overlap
PATZ1 2 datasets
Motif DE_12h DE_12h-PATZ1_MA1961.2 11 bp overlap
Motif DE_24h DE_24h-PATZ1_MA1961.2 11 bp overlap
PHIP 2 datasets
ChIP HCT-116_ab833 GSE101646.PHIP.HCT-116_ab833 132 bp overlap
ChIP HCT-116_ab834 GSE101646.PHIP.HCT-116_ab834 81 bp overlap
POU5F1 1 dataset
ChIP DE_D1 DED1-OCT4_Batch_II 555 bp overlap
POU5F1_M 1 dataset
ChIP DE_D1 DED1-OCT4-M_Batch_II 514 bp overlap
Prdm5 1 dataset
Motif DE_12h DE_12h-Prdm5_MA1999.2 11 bp overlap
Ptf1A 1 dataset
Motif DE_12h DE_12h-Ptf1A_MA1620.2 8 bp overlap
RBPJ 3 datasets
Motif DE_12h DE_12h-RBPJ_MA1116.2 6 bp overlap
Motif DE_24h DE_24h-RBPJ_MA1116.2 6 bp overlap
Motif DE_36h DE_36h-RBPJ_MA1116.2 6 bp overlap
RELA 1 dataset
Motif DE_12h DE_12h-RELA_MA0107.1 10 bp overlap
RORB 1 dataset
Motif DE_12h DE_12h-RORB_MA1150.2 10 bp overlap
RXRA::VDR 3 datasets
Motif DE_12h DE_12h-RXRAVDR_MA0074.1 15 bp overlap
Motif DE_24h DE_24h-RXRAVDR_MA0074.1 15 bp overlap
Motif DE_36h DE_36h-RXRAVDR_MA0074.1 15 bp overlap
Rarb 3 datasets
Motif DE_12h DE_12h-Rarb_MA0857.1 16 bp overlap
Motif DE_24h DE_24h-Rarb_MA0857.1 16 bp overlap
Motif DE_36h DE_36h-Rarb_MA0857.1 16 bp overlap
Rarg 3 datasets
Motif DE_12h DE_12h-Rarg_MA0859.2 15 bp overlap
Motif DE_24h DE_24h-Rarg_MA0859.2 15 bp overlap
Motif DE_36h DE_36h-Rarg_MA0859.2 15 bp overlap
SMAD2 1 dataset
Motif DE_12h DE_12h-SMAD2_MA1964.2 6 bp overlap
SOX10 2 datasets
Motif DE_12h DE_12h-SOX10_MA0442.3 6 bp overlap
Motif DE_24h DE_24h-SOX10_MA0442.3 6 bp overlap
SOX4 2 datasets
Motif DE_12h DE_12h-SOX4_MA0867.3 8 bp overlap
Motif DE_24h DE_24h-SOX4_MA0867.3 8 bp overlap
SP1 2 datasets
Motif DE_12h DE_12h-SP1_MA0079.5 9 bp overlap
Motif DE_24h DE_24h-SP1_MA0079.5 9 bp overlap
SP2 2 datasets
Motif DE_12h DE_12h-SP2_MA0516.3 9 bp overlap
Motif DE_24h DE_24h-SP2_MA0516.3 9 bp overlap
SP3 3 datasets
Motif DE_12h DE_12h-SP3_MA0746.3 11 bp overlap
Motif DE_12h DE_12h-SP3_MA0746.3 11 bp overlap
Motif DE_24h DE_24h-SP3_MA0746.3 11 bp overlap
SP4 2 datasets
Motif DE_12h DE_12h-SP4_MA0685.2 9 bp overlap
Motif DE_24h DE_24h-SP4_MA0685.2 9 bp overlap
SP5 3 datasets
Motif DE_12h DE_12h-SP5_MA1965.2 6 bp overlap
Motif DE_12h DE_12h-SP5_MA1965.2 6 bp overlap
Motif DE_24h DE_24h-SP5_MA1965.2 6 bp overlap
SP8 2 datasets
Motif DE_12h DE_12h-SP8_MA0747.2 11 bp overlap
Motif DE_24h DE_24h-SP8_MA0747.2 11 bp overlap
Sox11 2 datasets
Motif DE_12h DE_12h-Sox11_MA0869.3 8 bp overlap
Motif DE_24h DE_24h-Sox11_MA0869.3 8 bp overlap
Stat2 1 dataset
Motif DE_12h DE_12h-Stat2_MA1623.2 10 bp overlap
TBX5 1 dataset
Motif DE_12h DE_12h-TBX5_MA0807.1 8 bp overlap
TCF4 1 dataset
Motif DE_12h DE_12h-TCF4_MA0830.3 8 bp overlap
TCF7L1 2 datasets
Motif DE_12h DE_12h-TCF7L1_MA1421.1 12 bp overlap
Motif DE_24h DE_24h-TCF7L1_MA1421.1 12 bp overlap
THAP1 1 dataset
Motif DE_12h DE_12h-THAP1_MA0597.3 8 bp overlap
Wt1 2 datasets
Motif DE_12h DE_12h-Wt1_MA1627.2 10 bp overlap
Motif DE_24h DE_24h-Wt1_MA1627.2 10 bp overlap
YY2 2 datasets
Motif DE_12h DE_12h-YY2_MA0748.3 7 bp overlap
Motif DE_24h DE_24h-YY2_MA0748.3 7 bp overlap
ZBTB14 2 datasets
Motif DE_12h DE_12h-ZBTB14_MA1650.2 8 bp overlap
Motif DE_24h DE_24h-ZBTB14_MA1650.2 8 bp overlap
ZBTB18 1 dataset
Motif DE_12h DE_12h-ZBTB18_MA0698.2 11 bp overlap
ZBTB26 2 datasets
ChIP HEK293 ENCFF752POA 497 bp overlap
ChIP HEK293 ENCFF752TCU 367 bp overlap
ZBTB48 1 dataset
ChIP HEK293 ENCFF809BPK 207 bp overlap
ZEB1 5 datasets
Motif DE_12h DE_12h-ZEB1_MA0103.4 6 bp overlap
Motif DE_12h DE_12h-ZEB1_MA0103.4 6 bp overlap
Motif DE_12h DE_12h-ZEB1_MA0103.4 6 bp overlap
Motif DE_24h DE_24h-ZEB1_MA0103.4 6 bp overlap
Motif DE_36h DE_36h-ZEB1_MA0103.4 6 bp overlap
ZKSCAN3 2 datasets
Motif DE_12h DE_12h-ZKSCAN3_MA1973.2 14 bp overlap
Motif DE_24h DE_24h-ZKSCAN3_MA1973.2 14 bp overlap
ZNF135 1 dataset
Motif DE_12h DE_12h-ZNF135_MA1587.1 14 bp overlap
ZNF148 2 datasets
Motif DE_12h DE_12h-ZNF148_MA1653.2 10 bp overlap
Motif DE_24h DE_24h-ZNF148_MA1653.2 10 bp overlap
ZNF211 1 dataset
Motif DE_12h DE_12h-ZNF211_MA1974.2 10 bp overlap
ZNF213 2 datasets
Motif DE_12h DE_12h-ZNF213_MA2121.1 12 bp overlap
Motif DE_24h DE_24h-ZNF213_MA2121.1 12 bp overlap
ZNF281 5 datasets
Motif DE_12h DE_12h-ZNF281_MA1630.3 10 bp overlap
Motif DE_12h DE_12h-ZNF281_MA1630.3 10 bp overlap
Motif DE_24h DE_24h-ZNF281_MA1630.3 10 bp overlap
ChIP HepG2 ENCFF585QNU 325 bp overlap
ChIP WTC11 ENCFF551GAV 377 bp overlap
ZNF335 1 dataset
ChIP HEK293 ENCFF784SLD 382 bp overlap
ZNF343 2 datasets
Motif DE_12h DE_12h-ZNF343_MA1711.2 16 bp overlap
Motif DE_24h DE_24h-ZNF343_MA1711.2 16 bp overlap
ZNF384 2 datasets
Motif DE_12h DE_12h-ZNF384_MA1125.2 8 bp overlap
Motif DE_24h DE_24h-ZNF384_MA1125.2 8 bp overlap
ZNF449 1 dataset
Motif DE_24h DE_24h-ZNF449_MA1656.2 10 bp overlap
ZNF507 1 dataset
ChIP K562 ENCFF577IRE 60 bp overlap
ZNF530 5 datasets
Motif DE_12h DE_12h-ZNF530_MA1981.2 14 bp overlap
Motif DE_12h DE_12h-ZNF530_MA1981.2 14 bp overlap
Motif DE_24h DE_24h-ZNF530_MA1981.2 14 bp overlap
Motif DE_24h DE_24h-ZNF530_MA1981.2 14 bp overlap
Motif DE_36h DE_36h-ZNF530_MA1981.2 14 bp overlap
ZNF574 1 dataset
Motif DE_12h DE_12h-ZNF574_MA1982.2 14 bp overlap
ZNF582 1 dataset
Motif DE_12h DE_12h-ZNF582_MA1983.2 19 bp overlap
ZNF610 2 datasets
Motif DE_12h DE_12h-ZNF610_MA1713.2 10 bp overlap
Motif DE_24h DE_24h-ZNF610_MA1713.2 10 bp overlap
ZNF707 1 dataset
Motif DE_12h DE_12h-ZNF707_MA1715.1 15 bp overlap
Zfp335 1 dataset
Motif DE_12h DE_12h-Zfp335_MA2002.2 7 bp overlap
Zfp961 2 datasets
Motif DE_12h DE_12h-Zfp961_MA2126.1 8 bp overlap
Motif DE_24h DE_24h-Zfp961_MA2126.1 8 bp overlap