chrom   start     end closest_gene
0  chr12  752552  752672         WNK1
1  chr12  752672  752792         WNK1
2  chr12  752792  752912         WNK1
3  chr12  752912  753032         WNK1
4  chr12  753032  753152         WNK1
  chrom    start      end closest_gene            exon_id
0  chr1  5862748  5862868        NPHP4  ENSE00001476440.2
1  chr1  5862868  5862988        NPHP4  ENSE00001476440.2
2  chr1  5862988  5863108        NPHP4  ENSE00001476440.2
3  chr1  5863108  5863228        NPHP4  ENSE00001476440.2
4  chr1  5863232  5863352        NPHP4  ENSE00001476440.2