Experiment: 4-Hydroxybenzoic Acid (C) 2.5 mM
Only strains with sufficient reads to estimate fitness are shown,
but the strain fitness values are still rather noisy and may be biased towards zero.
Strains near the edge of a gene are not shown as being associated with that
gene (they are in grey).
Strains in the central 10-90% of a gene are color coded by the insertion's strand.
Usually, "+" means that the selectable marker is encoded on the forward strand,
i.e., transcribed rightward.
500 nt PFR28_04649 and PFR28_04650 are separated by 84 nucleotides PFR28_04650 and PFR28_04651 are separated by 33 nucleotides PFR28_04651 and PFR28_04652 are separated by 96 nucleotides
PFR28_04649: PFR28_04649 - hypothetical protein, at 5,308,909 to 5,309,247
_04649
PFR28_04650: PFR28_04650 - hypothetical protein, at 5,309,332 to 5,309,991
_04650
PFR28_04651: PFR28_04651 - Glycine cleavage system transcriptional activator, at 5,310,025 to 5,310,975
_04651
PFR28_04652: PFR28_04652 - Choline-sulfatase, at 5,311,072 to 5,312,604
_04652
Position (kb)
5310
5311 Strain fitness (log2 ratio)
-3
-2
-1
0
1
2
3 at 5309.059 kb on + strand, within PFR28_04649 at 5309.069 kb on + strand, within PFR28_04649 at 5309.069 kb on + strand, within PFR28_04649 at 5309.069 kb on + strand, within PFR28_04649 at 5309.069 kb on + strand, within PFR28_04649 at 5309.069 kb on + strand, within PFR28_04649 at 5309.070 kb on - strand, within PFR28_04649 at 5309.070 kb on - strand, within PFR28_04649 at 5309.070 kb on - strand, within PFR28_04649 at 5309.070 kb on - strand, within PFR28_04649 at 5309.070 kb on - strand, within PFR28_04649 at 5309.213 kb on + strand, within PFR28_04649 at 5309.214 kb on - strand at 5309.214 kb on - strand at 5309.214 kb on - strand at 5309.228 kb on + strand at 5309.228 kb on + strand at 5309.228 kb on + strand at 5309.228 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.305 kb on + strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.306 kb on - strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.371 kb on + strand at 5309.372 kb on - strand at 5309.372 kb on - strand at 5309.372 kb on - strand at 5309.372 kb on - strand at 5309.372 kb on - strand at 5309.506 kb on + strand, within PFR28_04650 at 5309.506 kb on + strand, within PFR28_04650 at 5309.506 kb on + strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.507 kb on - strand, within PFR28_04650 at 5309.822 kb on - strand, within PFR28_04650 at 5309.822 kb on - strand, within PFR28_04650 at 5309.822 kb on - strand, within PFR28_04650 at 5309.822 kb on - strand, within PFR28_04650 at 5310.043 kb on + strand at 5310.043 kb on + strand at 5310.043 kb on + strand at 5310.044 kb on - strand at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.152 kb on + strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.153 kb on - strand, within PFR28_04651 at 5310.155 kb on + strand, within PFR28_04651 at 5310.156 kb on - strand, within PFR28_04651 at 5310.156 kb on - strand, within PFR28_04651 at 5310.214 kb on + strand, within PFR28_04651 at 5310.214 kb on + strand, within PFR28_04651 at 5310.215 kb on - strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.287 kb on + strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.288 kb on - strand, within PFR28_04651 at 5310.378 kb on + strand, within PFR28_04651 at 5310.378 kb on + strand, within PFR28_04651 at 5310.379 kb on - strand, within PFR28_04651 at 5310.801 kb on - strand, within PFR28_04651 at 5310.971 kb on + strand at 5311.015 kb on - strand at 5311.015 kb on - strand at 5311.072 kb on - strand at 5311.153 kb on + strand at 5311.153 kb on + strand at 5311.153 kb on + strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.154 kb on - strand at 5311.225 kb on + strand at 5311.225 kb on + strand at 5311.226 kb on - strand, within PFR28_04652 at 5311.261 kb on - strand, within PFR28_04652 at 5311.280 kb on + strand, within PFR28_04652 at 5311.281 kb on - strand, within PFR28_04652 at 5311.300 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.339 kb on + strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.340 kb on - strand, within PFR28_04652 at 5311.348 kb on + strand, within PFR28_04652 at 5311.349 kb on - strand, within PFR28_04652 at 5311.349 kb on - strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.446 kb on + strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.447 kb on - strand, within PFR28_04652 at 5311.450 kb on + strand, within PFR28_04652 at 5311.510 kb on + strand, within PFR28_04652 at 5311.510 kb on + strand, within PFR28_04652 at 5311.550 kb on + strand, within PFR28_04652 at 5311.551 kb on - strand, within PFR28_04652 at 5311.603 kb on + strand, within PFR28_04652 at 5311.603 kb on + strand, within PFR28_04652 at 5311.603 kb on + strand, within PFR28_04652 at 5311.604 kb on - strand, within PFR28_04652 at 5311.604 kb on - strand, within PFR28_04652 at 5311.604 kb on - strand, within PFR28_04652 at 5311.604 kb on - strand, within PFR28_04652 at 5311.681 kb on + strand, within PFR28_04652 at 5311.682 kb on - strand, within PFR28_04652 at 5311.682 kb on - strand, within PFR28_04652 at 5311.682 kb on - strand, within PFR28_04652 at 5311.682 kb on - strand, within PFR28_04652 at 5311.711 kb on + strand, within PFR28_04652 at 5311.711 kb on + strand, within PFR28_04652 at 5311.711 kb on + strand, within PFR28_04652 at 5311.711 kb on + strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.712 kb on - strand, within PFR28_04652 at 5311.792 kb on + strand, within PFR28_04652 at 5311.792 kb on + strand, within PFR28_04652 at 5311.793 kb on - strand, within PFR28_04652 at 5311.793 kb on - strand, within PFR28_04652 at 5311.793 kb on - strand, within PFR28_04652 at 5311.793 kb on - strand, within PFR28_04652 at 5311.867 kb on + strand, within PFR28_04652 at 5311.867 kb on + strand, within PFR28_04652 at 5311.867 kb on + strand, within PFR28_04652 at 5311.867 kb on + strand, within PFR28_04652 at 5311.868 kb on - strand, within PFR28_04652 at 5311.868 kb on - strand, within PFR28_04652 at 5311.868 kb on - strand, within PFR28_04652
Per-strain Table
Position Strand Gene LocusTag Fraction 4-Hydroxybenzoic Acid (C) 2.5 mM remove 5,309,059 + PFR28_04649 0.44 -0.7 5,309,069 + PFR28_04649 0.47 +1.3 5,309,069 + PFR28_04649 0.47 -0.6 5,309,069 + PFR28_04649 0.47 +0.0 5,309,069 + PFR28_04649 0.47 +1.1 5,309,069 + PFR28_04649 0.47 +1.0 5,309,070 - PFR28_04649 0.47 +0.9 5,309,070 - PFR28_04649 0.47 -0.4 5,309,070 - PFR28_04649 0.47 -0.7 5,309,070 - PFR28_04649 0.47 +0.9 5,309,070 - PFR28_04649 0.47 -0.1 5,309,213 + PFR28_04649 0.90 -2.8 5,309,214 - +0.5 5,309,214 - -0.4 5,309,214 - +1.2 5,309,228 + -0.4 5,309,228 + -1.3 5,309,228 + +0.6 5,309,228 + -0.4 5,309,305 + -0.8 5,309,305 + +0.4 5,309,305 + +1.4 5,309,305 + -0.4 5,309,305 + +0.6 5,309,305 + -1.1 5,309,305 + -1.3 5,309,305 + -1.5 5,309,305 + -0.6 5,309,305 + -2.7 5,309,305 + -1.0 5,309,305 + -0.4 5,309,305 + +1.8 5,309,305 + +0.4 5,309,305 + -1.9 5,309,305 + -0.0 5,309,305 + -0.6 5,309,305 + +1.2 5,309,305 + +0.5 5,309,305 + -0.7 5,309,305 + +0.0 5,309,305 + -3.3 5,309,305 + -0.7 5,309,305 + -0.7 5,309,306 - +1.3 5,309,306 - +0.8 5,309,306 - -1.0 5,309,306 - +3.1 5,309,306 - +0.8 5,309,306 - +0.5 5,309,306 - +1.1 5,309,306 - +0.2 5,309,306 - -0.9 5,309,306 - +2.5 5,309,306 - +1.2 5,309,306 - +0.3 5,309,306 - -0.8 5,309,306 - -0.8 5,309,306 - +1.0 5,309,306 - -1.3 5,309,306 - -1.0 5,309,306 - +0.5 5,309,306 - -1.0 5,309,306 - +1.1 5,309,306 - +0.5 5,309,306 - +0.4 5,309,306 - -0.6 5,309,306 - -1.6 5,309,306 - -0.6 5,309,371 + +0.3 5,309,371 + -0.1 5,309,371 + +0.2 5,309,371 + -0.6 5,309,371 + -0.1 5,309,371 + -0.0 5,309,371 + +0.3 5,309,372 - -0.3 5,309,372 - -1.4 5,309,372 - +0.3 5,309,372 - +1.2 5,309,372 - -0.2 5,309,506 + PFR28_04650 0.26 -0.5 5,309,506 + PFR28_04650 0.26 -0.5 5,309,506 + PFR28_04650 0.26 -1.3 5,309,507 - PFR28_04650 0.27 +0.3 5,309,507 - PFR28_04650 0.27 +0.7 5,309,507 - PFR28_04650 0.27 +0.0 5,309,507 - PFR28_04650 0.27 +1.3 5,309,507 - PFR28_04650 0.27 -0.7 5,309,507 - PFR28_04650 0.27 -1.6 5,309,822 - PFR28_04650 0.74 +0.2 5,309,822 - PFR28_04650 0.74 +0.4 5,309,822 - PFR28_04650 0.74 -0.1 5,309,822 - PFR28_04650 0.74 -0.4 5,310,043 + +0.9 5,310,043 + +0.6 5,310,043 + +0.0 5,310,044 - -3.1 5,310,152 + PFR28_04651 0.13 +0.2 5,310,152 + PFR28_04651 0.13 +0.5 5,310,152 + PFR28_04651 0.13 -0.9 5,310,152 + PFR28_04651 0.13 +0.7 5,310,152 + PFR28_04651 0.13 -0.9 5,310,152 + PFR28_04651 0.13 +0.2 5,310,152 + PFR28_04651 0.13 +0.3 5,310,152 + PFR28_04651 0.13 -1.8 5,310,152 + PFR28_04651 0.13 +0.2 5,310,152 + PFR28_04651 0.13 -1.8 5,310,152 + PFR28_04651 0.13 +0.6 5,310,152 + PFR28_04651 0.13 -0.0 5,310,152 + PFR28_04651 0.13 +0.7 5,310,152 + PFR28_04651 0.13 +0.0 5,310,152 + PFR28_04651 0.13 -0.7 5,310,152 + PFR28_04651 0.13 -1.3 5,310,152 + PFR28_04651 0.13 +0.6 5,310,152 + PFR28_04651 0.13 +1.5 5,310,152 + PFR28_04651 0.13 -0.3 5,310,153 - PFR28_04651 0.13 +2.5 5,310,153 - PFR28_04651 0.13 +0.7 5,310,153 - PFR28_04651 0.13 +0.6 5,310,153 - PFR28_04651 0.13 -2.9 5,310,153 - PFR28_04651 0.13 -0.7 5,310,153 - PFR28_04651 0.13 -0.2 5,310,153 - PFR28_04651 0.13 +0.1 5,310,153 - PFR28_04651 0.13 +2.0 5,310,153 - PFR28_04651 0.13 +0.2 5,310,153 - PFR28_04651 0.13 +0.2 5,310,155 + PFR28_04651 0.14 +0.2 5,310,156 - PFR28_04651 0.14 +0.5 5,310,156 - PFR28_04651 0.14 +0.9 5,310,214 + PFR28_04651 0.20 +1.9 5,310,214 + PFR28_04651 0.20 +2.2 5,310,215 - PFR28_04651 0.20 +1.5 5,310,287 + PFR28_04651 0.28 +1.5 5,310,287 + PFR28_04651 0.28 +0.4 5,310,287 + PFR28_04651 0.28 +0.6 5,310,287 + PFR28_04651 0.28 -0.5 5,310,287 + PFR28_04651 0.28 +0.2 5,310,287 + PFR28_04651 0.28 -1.3 5,310,287 + PFR28_04651 0.28 -0.1 5,310,287 + PFR28_04651 0.28 -0.6 5,310,287 + PFR28_04651 0.28 -0.6 5,310,287 + PFR28_04651 0.28 +0.5 5,310,287 + PFR28_04651 0.28 +1.1 5,310,287 + PFR28_04651 0.28 -0.8 5,310,288 - PFR28_04651 0.28 -1.7 5,310,288 - PFR28_04651 0.28 -0.2 5,310,288 - PFR28_04651 0.28 -0.1 5,310,288 - PFR28_04651 0.28 -2.2 5,310,288 - PFR28_04651 0.28 +0.4 5,310,288 - PFR28_04651 0.28 +1.3 5,310,288 - PFR28_04651 0.28 -0.6 5,310,288 - PFR28_04651 0.28 -1.1 5,310,288 - PFR28_04651 0.28 +0.7 5,310,378 + PFR28_04651 0.37 +0.1 5,310,378 + PFR28_04651 0.37 +0.9 5,310,379 - PFR28_04651 0.37 +0.4 5,310,801 - PFR28_04651 0.82 +0.8 5,310,971 + -0.7 5,311,015 - +1.5 5,311,015 - +0.2 5,311,072 - +2.5 5,311,153 + +2.9 5,311,153 + -1.1 5,311,153 + -0.1 5,311,154 - +0.5 5,311,154 - -0.2 5,311,154 - -0.1 5,311,154 - +1.2 5,311,154 - -0.7 5,311,154 - -0.5 5,311,154 - +0.4 5,311,225 + -1.3 5,311,225 + +0.8 5,311,226 - PFR28_04652 0.10 +0.4 5,311,261 - PFR28_04652 0.12 +2.3 5,311,280 + PFR28_04652 0.14 +1.4 5,311,281 - PFR28_04652 0.14 +0.1 5,311,300 + PFR28_04652 0.15 +0.5 5,311,339 + PFR28_04652 0.17 +0.1 5,311,339 + PFR28_04652 0.17 +0.8 5,311,339 + PFR28_04652 0.17 +0.9 5,311,339 + PFR28_04652 0.17 -0.9 5,311,339 + PFR28_04652 0.17 +0.3 5,311,339 + PFR28_04652 0.17 -0.1 5,311,339 + PFR28_04652 0.17 -0.5 5,311,340 - PFR28_04652 0.17 +0.6 5,311,340 - PFR28_04652 0.17 +1.1 5,311,340 - PFR28_04652 0.17 +0.5 5,311,340 - PFR28_04652 0.17 -0.5 5,311,340 - PFR28_04652 0.17 -0.0 5,311,340 - PFR28_04652 0.17 +1.5 5,311,348 + PFR28_04652 0.18 +0.8 5,311,349 - PFR28_04652 0.18 +0.8 5,311,349 - PFR28_04652 0.18 +1.0 5,311,446 + PFR28_04652 0.24 -1.8 5,311,446 + PFR28_04652 0.24 +1.1 5,311,446 + PFR28_04652 0.24 +1.2 5,311,446 + PFR28_04652 0.24 +0.0 5,311,446 + PFR28_04652 0.24 -0.2 5,311,446 + PFR28_04652 0.24 -0.7 5,311,447 - PFR28_04652 0.24 +0.7 5,311,447 - PFR28_04652 0.24 +0.5 5,311,447 - PFR28_04652 0.24 +0.2 5,311,447 - PFR28_04652 0.24 +1.6 5,311,447 - PFR28_04652 0.24 +0.8 5,311,447 - PFR28_04652 0.24 +1.8 5,311,447 - PFR28_04652 0.24 +1.2 5,311,450 + PFR28_04652 0.25 -0.4 5,311,510 + PFR28_04652 0.29 -0.7 5,311,510 + PFR28_04652 0.29 +0.1 5,311,550 + PFR28_04652 0.31 +0.9 5,311,551 - PFR28_04652 0.31 +0.6 5,311,603 + PFR28_04652 0.35 -0.6 5,311,603 + PFR28_04652 0.35 +0.8 5,311,603 + PFR28_04652 0.35 -2.4 5,311,604 - PFR28_04652 0.35 +1.4 5,311,604 - PFR28_04652 0.35 -0.1 5,311,604 - PFR28_04652 0.35 -0.3 5,311,604 - PFR28_04652 0.35 -0.4 5,311,681 + PFR28_04652 0.40 -1.6 5,311,682 - PFR28_04652 0.40 +1.9 5,311,682 - PFR28_04652 0.40 +0.6 5,311,682 - PFR28_04652 0.40 +0.0 5,311,682 - PFR28_04652 0.40 -2.0 5,311,711 + PFR28_04652 0.42 +0.9 5,311,711 + PFR28_04652 0.42 -0.1 5,311,711 + PFR28_04652 0.42 +0.7 5,311,711 + PFR28_04652 0.42 -0.3 5,311,712 - PFR28_04652 0.42 +0.4 5,311,712 - PFR28_04652 0.42 -0.4 5,311,712 - PFR28_04652 0.42 -0.7 5,311,712 - PFR28_04652 0.42 +1.6 5,311,712 - PFR28_04652 0.42 +0.7 5,311,712 - PFR28_04652 0.42 +1.8 5,311,792 + PFR28_04652 0.47 +1.0 5,311,792 + PFR28_04652 0.47 +0.7 5,311,793 - PFR28_04652 0.47 +0.4 5,311,793 - PFR28_04652 0.47 +0.2 5,311,793 - PFR28_04652 0.47 +1.2 5,311,793 - PFR28_04652 0.47 +0.3 5,311,867 + PFR28_04652 0.52 +0.3 5,311,867 + PFR28_04652 0.52 -0.1 5,311,867 + PFR28_04652 0.52 +0.7 5,311,867 + PFR28_04652 0.52 +0.3 5,311,868 - PFR28_04652 0.52 +0.8 5,311,868 - PFR28_04652 0.52 -2.1 5,311,868 - PFR28_04652 0.52 +0.5
Or see this region's nucleotide sequence