>> E. coli K12 threonine operon
> thrA
atgcgagtgttgaagttcggcggtacatcagtggcaaatgcagaacgttttctgcgtgttgccgatattctggaaagca
atgccaggcaggggcaggtggccaccgtcctctctgcccccgccaaaatcaccaaccacctggtggcgatgattgaaaa
aaccattagcggccaggatgctttacccaatatcagcgatgccgaacgtatttttgccgaacttttgacgggactcgcc
gccgcccagccggggttcccgctggcgcaattgaaaactttcgtcgatcaggaatttgcccaaataaaacatgtcctgc
atggcattagtttgttggggcagtgcccggatagcatcaacgctgcgctgatttgccgtggcgagaaaatgtcgatcgc
cattatggccggcgtattagaagcgcgcggtcacaacgttactgttatcgatccggtcgaaaaactgctggcagtgggg
cattacctcgaatctaccgtcgatattgctgagtccacccgccgtattgcggcaagccgcattccggctgatcacatgg
tgctgatggcaggtttcaccgccggtaatgaaaaaggcgaactggtggtgcttggacgcaacggttccgactactctgc
tgcggtgctggctgcctgtttacgcgccgattgttgcgagatttggacggacgttgacggggtctatacctgcgacccg
cgtcaggtgcccgatgcgaggttgttgaagtcgatgtcctaccaggaagcgatggagctttcctacttcggcgctaaag
ttcttcacccccgcaccattacccccatcgcccagttccagatcccttgcctgattaaaaataccggaaatcctcaagc
accaggtacgctcattggtgccagccgtgatgaagacgaattaccggtcaagggcatttccaatctgaataacatggca
atgttcagcgtttctggtccggggatgaaagggatggtcggcatggcggcgcgcgtctttgcagcgatgtcacgcgccc
gtatttccgtggtgctgattacgcaatcatcttccgaatacagcatcagtttctgcgttccacaaagcgactgtgtgcg
agctgaacgggcaatgcaggaagagttctacctggaactgaaagaaggcttactggagccgctggcagtgacggaacgg
ctggccattatctcggtggtaggtgatggtatgcgcaccttgcgtgggatctcggcgaaattctttgccgcactggccc
gcgccaatatcaacattgtcgccattgctcagggatcttctgaacgctcaatctctgtcgtggtaaataacgatgatgc
gaccactggcgtgcgcgttactcatcagatgctgttcaataccgatcaggttatcgaagtgtttgtgattggcgtcggt
ggcgttggcggtgcgctgctggagcaactgaagcgtcagcaaagctggctgaagaataaacatatcgacttacgtgtct
gcggtgttgccaactcgaaggctctgctcaccaatgtacatggccttaatctggaaaactggcaggaagaactggcgca
agccaaagagccgtttaatctcgggcgcttaattcgcctcgtgaaagaatatcatctgctgaacccggtcattgttgac
tgcacttccagccaggcagtggcggatcaatatgccgacttcctgcgcgaaggtttccacgttgtcacgccgaacaaaa
aggccaacacctcgtcgatggattactaccatcagttgcgttatgcggcggaaaaatcgcggcgtaaattcctctatga
caccaacgttggggctggattaccggttattgagaacctgcaaaatctgctcaatgcaggtgatgaattgatgaagttc
tccggcattctttctggttcgctttcttatatcttcggcaagttagacgaaggcatgagtttctccgaggcgaccacgc
tggcgcgggaaatgggttataccgaaccggacccgcgagatgatctttctggtatggatgtggcgcgtaaactattgat
tctcgctcgtgaaacgggacgtgaactggagctggcggatattgaaattgaacctgtgctgcccgcagagtttaacgcc
gagggtgatgttgccgcttttatggcgaatctgtcacaactcgacgatctctttgccgcgcgcgtggcgaaggcccgtg
atgaaggaaaagttttgcgctatgttggcaatattgatgaagatggcgtctgccgcgtgaagattgccgaagtggatgg
taatgatccgctgttcaaagtgaaaaatggcgaaaacgccctggccttctatagccactattatcagccgctgccgttg
gtactgcgcggatatggtgcgggcaatgacgttacagctgccggtgtctttgctgatctgctacgtaccctctcatgga
agttaggagtctga
> thrB
atggttaaagtttatgccccggcttccagtgccaatatgagcgtcgggtttgatgtgctcggggcggcggtgacacctg
ttgatggtgcattgctcggagatgtagtcacggttgaggcggcagagacattcagtctcaacaacctcggacgctttgc
cgataagctgccgtcagaaccacgggaaaatatcgtttatcagtgctgggagcgtttttgccaggaactgggtaagcaa
attccagtggcgatgaccctggaaaagaatatgccgatcggttcgggcttaggctccagtgcctgttcggtggtcgcgg
cgctgatggcgatgaatgaacactgcggcaagccgcttaatgacactcgtttgctggctttgatgggcgagctggaagg
ccgtatctccggcagcattcattacgacaacgtggcaccgtgttttctcggtggtatgcagttgatgatcgaagaaaac
gacatcatcagccagcaagtgccagggtttgatgagtggctgtgggtgctggcgtatccggggattaaagtctcgacgg
cagaagccagggctattttaccggcgcagtatcgccgccaggattgcattgcgcacgggcgacatctggcaggcttcat
tcacgcctgctattcccgtcagcctgagcttgccgcgaagctgatgaaagatgttatcgctgaaccctaccgtgaacgg
ttactgccaggcttccggcaggcgcggcaggcggtcgcggaaatcggcgcggtagcgagcggtatctccggctccggcc
cgaccttgttcgctctgtgtgacaagccggaaaccgcccagcgcgttgccgactggttgggtaagaactacctgcaaaa
tcaggaaggttttgttcatatttgccggctggatacggcgggcgcacgagtactggaaaactaa
> thrC
atgaaactctacaatctgaaagatcacaacgagcaggtcagctttgcgcaagccgtaacccaggggttgggcaaaaatc
aggggctgttttttccgcacgacctgccggaattcagcctgactgaaattgatgagatgctgaagctggattttgtcac
ccgcagtgcgaagatcctctcggcgtttattggtgatgaaatcccacaggaaatcctggaagagcgcgtgcgcgcggcg
tttgccttcccggctccggtcgccaatgttgaaagcgatgtcggttgtctggaattgttccacgggccaacgctggcat
ttaaagatttcggcggtcgctttatggcacaaatgctgacccatattgcgggtgataagccagtgaccattctgaccgc
gacctccggtgataccggagcggcagtggctcatgctttctacggtttaccgaatgtgaaagtggttatcctctatcca
cgaggcaaaatcagtccactgcaagaaaaactgttctgtacattgggcggcaatatcgaaactgttgccatcgacggcg
atttcgatgcctgtcaggcgctggtgaagcaggcgtttgatgatgaagaactgaaagtggcgctagggttaaactcggc
taactcgattaacatcagccgtttgctggcgcagatttgctactactttgaagctgttgcgcagctgccgcaggagacg
cgcaaccagctggttgtctcggtgccaagcggaaacttcggcgatttgacggcgggtctgctggcgaagtcactcggtc
tgccggtgaaacgttttattgctgcgaccaacgtgaacgataccgtgccacgtttcctgcacgacggtcagtggtcacc
caaagcgactcaggcgacgttatccaacgcgatggacgtgagtcagccgaacaactggccgcgtgtggaagagttgttc
cgccgcaaaatctggcaactgaaagagctgggttatgcagccgtggatgatgaaaccacgcaacagacaatgcgtgagt
taaaagaactgggctacacttcggagccgcacgctgccgtagcttatcgtgcgctgcgtgatcagttgaatccaggcga
atatggcttgttcctcggcaccgcgcatccggcgaaatttaaagagagcgtggaagcgattctcggtgaaacgttggat
ctgccaaaagagctggcagaacgtgctgatttacccttgctttcacataatctgcccgccgattttgctgcgttgcgta
aattgatgatgaatcatcagtaa