BkdR alignment
| BkdR_ptb_2_compl | GCGTTTATTC-----TGCAAATTATTGCA-----TGCCTTCATT |
| BkdR_ptb_2_compl | CATAGGGTTG-----TGCAAATTATTGCA-----ACGGAATAAA |
| BkdR_ptb_3_compl | GAAACATTCG-----TGCAGATGTTTGCG-----TTTATTCTGC |
| BkdR_ptb_1 | AATATGGCCT-----TGCAAATGAAGGCA-----TGCAATAATT |
