Experiment: Survival; Treatment=UGA synthetic gw pH3.9 with 1 mM Glucose and 5 mM NaH2PO4; TreatmentDuration=24hrs; Outgrowth=LBkan50
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 IAI47_08020 and IAI47_08025 overlap by 8 nucleotides IAI47_08025 and IAI47_08030 overlap by 4 nucleotides IAI47_08030 and IAI47_08035 are separated by 231 nucleotides IAI47_08035 and IAI47_08040 are separated by 142 nucleotides
IAI47_08020: IAI47_08020 - flagellar assembly protein FliH, at 1,693,960 to 1,694,658
_08020
IAI47_08025: IAI47_08025 - flagellar motor switch protein FliG, at 1,694,651 to 1,695,643
_08025
IAI47_08030: IAI47_08030 - flagellar M-ring protein FliF, at 1,695,640 to 1,697,367
_08030
IAI47_08035: IAI47_08035 - flagellar hook-basal body complex protein FliE, at 1,697,599 to 1,697,910
_08035
IAI47_08040: IAI47_08040 - hypothetical protein, at 1,698,053 to 1,698,289
_08040
Position (kb)
1695
1696
1697
1698 Strain fitness (log2 ratio)
-2
-1
0
1
2 at 1694.658 kb on + strand at 1694.658 kb on + strand at 1694.658 kb on + strand at 1694.658 kb on + strand at 1694.659 kb on - strand at 1694.659 kb on - strand at 1694.687 kb on - strand at 1694.755 kb on + strand, within IAI47_08025 at 1694.755 kb on + strand, within IAI47_08025 at 1694.755 kb on + strand, within IAI47_08025 at 1694.755 kb on + strand, within IAI47_08025 at 1694.756 kb on - strand, within IAI47_08025 at 1694.756 kb on - strand, within IAI47_08025 at 1694.756 kb on - strand, within IAI47_08025 at 1695.091 kb on + strand, within IAI47_08025 at 1695.091 kb on + strand, within IAI47_08025 at 1695.092 kb on - strand, within IAI47_08025 at 1695.092 kb on - strand, within IAI47_08025 at 1695.166 kb on + strand, within IAI47_08025 at 1695.167 kb on - strand, within IAI47_08025 at 1695.215 kb on - strand, within IAI47_08025 at 1695.283 kb on + strand, within IAI47_08025 at 1695.284 kb on - strand, within IAI47_08025 at 1695.310 kb on + strand, within IAI47_08025 at 1695.311 kb on - strand, within IAI47_08025 at 1695.420 kb on + strand, within IAI47_08025 at 1695.420 kb on + strand, within IAI47_08025 at 1695.433 kb on + strand, within IAI47_08025 at 1695.433 kb on + strand, within IAI47_08025 at 1695.433 kb on + strand, within IAI47_08025 at 1695.433 kb on + strand, within IAI47_08025 at 1695.434 kb on - strand, within IAI47_08025 at 1695.434 kb on - strand, within IAI47_08025 at 1695.517 kb on + strand, within IAI47_08025 at 1695.517 kb on + strand, within IAI47_08025 at 1695.517 kb on + strand, within IAI47_08025 at 1695.517 kb on + strand, within IAI47_08025 at 1695.518 kb on - strand, within IAI47_08025 at 1695.536 kb on - strand, within IAI47_08025 at 1695.536 kb on - strand, within IAI47_08025 at 1695.536 kb on - strand, within IAI47_08025 at 1695.536 kb on - strand, within IAI47_08025 at 1695.643 kb on + strand at 1695.643 kb on + strand at 1695.643 kb on + strand at 1695.643 kb on + strand at 1695.644 kb on - strand at 1695.644 kb on - strand at 1695.644 kb on - strand at 1695.644 kb on - strand at 1695.644 kb on - strand at 1695.644 kb on - strand at 1695.651 kb on + strand at 1695.671 kb on - strand at 1695.671 kb on - strand at 1695.756 kb on + strand at 1695.756 kb on + strand at 1695.756 kb on + strand at 1695.756 kb on + strand at 1695.757 kb on - strand at 1695.757 kb on - strand at 1695.757 kb on - strand at 1695.757 kb on - strand at 1695.757 kb on - strand at 1695.795 kb on + strand at 1695.796 kb on - strand at 1695.796 kb on - strand at 1695.796 kb on - strand at 1695.796 kb on - strand at 1695.942 kb on + strand, within IAI47_08030 at 1695.942 kb on + strand, within IAI47_08030 at 1696.020 kb on + strand, within IAI47_08030 at 1696.021 kb on - strand, within IAI47_08030 at 1696.021 kb on - strand, within IAI47_08030 at 1696.068 kb on - strand, within IAI47_08030 at 1696.068 kb on - strand, within IAI47_08030 at 1696.140 kb on + strand, within IAI47_08030 at 1696.140 kb on + strand, within IAI47_08030 at 1696.140 kb on + strand, within IAI47_08030 at 1696.140 kb on + strand, within IAI47_08030 at 1696.141 kb on - strand, within IAI47_08030 at 1696.141 kb on - strand, within IAI47_08030 at 1696.141 kb on - strand, within IAI47_08030 at 1696.186 kb on + strand, within IAI47_08030 at 1696.186 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.235 kb on + strand, within IAI47_08030 at 1696.236 kb on - strand, within IAI47_08030 at 1696.323 kb on + strand, within IAI47_08030 at 1696.464 kb on + strand, within IAI47_08030 at 1696.464 kb on + strand, within IAI47_08030 at 1696.465 kb on - strand, within IAI47_08030 at 1696.465 kb on - strand, within IAI47_08030 at 1696.465 kb on - strand, within IAI47_08030 at 1696.500 kb on + strand, within IAI47_08030 at 1696.501 kb on - strand, within IAI47_08030 at 1696.501 kb on - strand, within IAI47_08030 at 1696.515 kb on - strand, within IAI47_08030 at 1696.515 kb on - strand, within IAI47_08030 at 1696.515 kb on - strand, within IAI47_08030 at 1696.614 kb on + strand, within IAI47_08030 at 1696.614 kb on + strand, within IAI47_08030 at 1696.614 kb on + strand, within IAI47_08030 at 1696.614 kb on + strand, within IAI47_08030 at 1696.614 kb on + strand, within IAI47_08030 at 1696.615 kb on - strand, within IAI47_08030 at 1696.615 kb on - strand, within IAI47_08030 at 1696.649 kb on + strand, within IAI47_08030 at 1696.649 kb on + strand, within IAI47_08030 at 1696.649 kb on + strand, within IAI47_08030 at 1696.650 kb on - strand, within IAI47_08030 at 1696.650 kb on - strand, within IAI47_08030 at 1696.825 kb on + strand, within IAI47_08030 at 1696.826 kb on - strand, within IAI47_08030 at 1696.867 kb on + strand, within IAI47_08030 at 1696.867 kb on + strand, within IAI47_08030 at 1696.867 kb on + strand, within IAI47_08030 at 1696.867 kb on + strand, within IAI47_08030 at 1696.868 kb on - strand, within IAI47_08030 at 1696.868 kb on - strand, within IAI47_08030 at 1696.868 kb on - strand, within IAI47_08030 at 1696.868 kb on - strand, within IAI47_08030 at 1696.964 kb on + strand, within IAI47_08030 at 1696.968 kb on + strand, within IAI47_08030 at 1697.101 kb on + strand, within IAI47_08030 at 1697.101 kb on + strand, within IAI47_08030 at 1697.102 kb on - strand, within IAI47_08030 at 1697.102 kb on - strand, within IAI47_08030 at 1697.190 kb on + strand, within IAI47_08030 at 1697.190 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.193 kb on + strand, within IAI47_08030 at 1697.194 kb on - strand, within IAI47_08030 at 1697.194 kb on - strand, within IAI47_08030 at 1697.194 kb on - strand, within IAI47_08030 at 1697.195 kb on + strand at 1697.195 kb on + strand at 1697.195 kb on + strand at 1697.195 kb on + strand at 1697.196 kb on - strand at 1697.196 kb on - strand at 1697.205 kb on + strand at 1697.205 kb on + strand at 1697.206 kb on - strand at 1697.206 kb on - strand at 1697.206 kb on - strand at 1697.207 kb on + strand at 1697.207 kb on + strand at 1697.207 kb on + strand at 1697.207 kb on + strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.208 kb on - strand at 1697.251 kb on + strand at 1697.276 kb on - strand at 1697.276 kb on - strand at 1697.276 kb on - strand at 1697.308 kb on + strand at 1697.309 kb on - strand at 1697.309 kb on - strand at 1697.355 kb on + strand at 1697.356 kb on - strand at 1697.387 kb on + strand at 1697.388 kb on - strand at 1697.399 kb on + strand at 1697.435 kb on + strand at 1697.435 kb on + strand at 1697.435 kb on + strand at 1697.436 kb on - strand at 1697.440 kb on - strand at 1697.466 kb on + strand at 1697.467 kb on - strand at 1697.467 kb on - strand at 1697.467 kb on - strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.469 kb on + strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.470 kb on - strand at 1697.518 kb on + strand at 1697.518 kb on + strand at 1697.518 kb on + strand at 1697.519 kb on - strand at 1697.550 kb on + strand at 1697.550 kb on + strand at 1697.551 kb on - strand at 1697.584 kb on + strand at 1697.585 kb on - strand at 1697.585 kb on - strand at 1697.585 kb on - strand at 1697.636 kb on + strand, within IAI47_08035 at 1697.636 kb on + strand, within IAI47_08035 at 1697.725 kb on - strand, within IAI47_08035 at 1697.745 kb on + strand, within IAI47_08035 at 1697.893 kb on - strand at 1697.893 kb on - strand at 1697.916 kb on + strand at 1697.916 kb on + strand at 1697.940 kb on + strand at 1697.968 kb on + strand at 1697.968 kb on + strand at 1697.968 kb on + strand at 1697.968 kb on + strand at 1697.968 kb on + strand at 1697.968 kb on + strand at 1697.969 kb on - strand at 1697.969 kb on - strand at 1697.969 kb on - strand at 1697.969 kb on - strand at 1697.969 kb on - strand at 1697.972 kb on + strand at 1697.972 kb on + strand at 1697.972 kb on + strand at 1697.972 kb on + strand at 1697.973 kb on - strand at 1697.973 kb on - strand at 1698.008 kb on + strand at 1698.008 kb on + strand at 1698.009 kb on - strand at 1698.009 kb on - strand at 1698.068 kb on + strand at 1698.069 kb on - strand at 1698.112 kb on + strand, within IAI47_08040 at 1698.112 kb on + strand, within IAI47_08040 at 1698.113 kb on - strand, within IAI47_08040 at 1698.113 kb on - strand, within IAI47_08040 at 1698.217 kb on + strand, within IAI47_08040 at 1698.223 kb on - strand, within IAI47_08040 at 1698.223 kb on - strand, within IAI47_08040 at 1698.250 kb on + strand, within IAI47_08040 at 1698.287 kb on + strand at 1698.287 kb on + strand at 1698.288 kb on - strand at 1698.288 kb on - strand at 1698.288 kb on - strand at 1698.318 kb on + strand at 1698.318 kb on + strand at 1698.319 kb on - strand at 1698.319 kb on - strand at 1698.320 kb on + strand at 1698.320 kb on + strand at 1698.320 kb on + strand at 1698.321 kb on - strand at 1698.321 kb on - strand at 1698.321 kb on - strand at 1698.321 kb on - strand
Per-strain Table
Position Strand Gene LocusTag Fraction Survival; Treatment=UGA synthetic gw pH3.9 with 1 mM Glucose and 5 mM NaH2PO4; TreatmentDuration=24hrs; Outgrowth=LBkan50 remove 1,694,658 + -1.2 1,694,658 + -0.5 1,694,658 + +0.8 1,694,658 + +1.5 1,694,659 - -1.5 1,694,659 - -0.8 1,694,687 - -0.7 1,694,755 + IAI47_08025 0.10 +0.1 1,694,755 + IAI47_08025 0.10 -0.3 1,694,755 + IAI47_08025 0.10 -0.2 1,694,755 + IAI47_08025 0.10 -1.0 1,694,756 - IAI47_08025 0.11 +0.2 1,694,756 - IAI47_08025 0.11 -1.4 1,694,756 - IAI47_08025 0.11 +0.6 1,695,091 + IAI47_08025 0.44 -0.4 1,695,091 + IAI47_08025 0.44 -0.6 1,695,092 - IAI47_08025 0.44 +0.1 1,695,092 - IAI47_08025 0.44 +0.6 1,695,166 + IAI47_08025 0.52 +1.3 1,695,167 - IAI47_08025 0.52 +0.3 1,695,215 - IAI47_08025 0.57 +0.3 1,695,283 + IAI47_08025 0.64 +0.0 1,695,284 - IAI47_08025 0.64 -1.0 1,695,310 + IAI47_08025 0.66 +1.5 1,695,311 - IAI47_08025 0.66 -1.0 1,695,420 + IAI47_08025 0.77 -0.7 1,695,420 + IAI47_08025 0.77 -1.4 1,695,433 + IAI47_08025 0.79 +0.9 1,695,433 + IAI47_08025 0.79 +0.1 1,695,433 + IAI47_08025 0.79 +0.5 1,695,433 + IAI47_08025 0.79 -0.4 1,695,434 - IAI47_08025 0.79 -2.6 1,695,434 - IAI47_08025 0.79 +0.1 1,695,517 + IAI47_08025 0.87 -0.5 1,695,517 + IAI47_08025 0.87 -0.9 1,695,517 + IAI47_08025 0.87 -0.9 1,695,517 + IAI47_08025 0.87 +0.0 1,695,518 - IAI47_08025 0.87 -0.2 1,695,536 - IAI47_08025 0.89 +0.5 1,695,536 - IAI47_08025 0.89 -0.2 1,695,536 - IAI47_08025 0.89 -0.2 1,695,536 - IAI47_08025 0.89 -0.1 1,695,643 + -1.0 1,695,643 + +0.9 1,695,643 + -0.0 1,695,643 + -0.5 1,695,644 - -0.4 1,695,644 - +0.3 1,695,644 - +0.4 1,695,644 - -1.6 1,695,644 - -2.5 1,695,644 - -0.0 1,695,651 + -0.4 1,695,671 - -0.8 1,695,671 - +0.1 1,695,756 + -0.7 1,695,756 + -0.5 1,695,756 + -0.5 1,695,756 + +0.1 1,695,757 - +0.1 1,695,757 - -0.9 1,695,757 - +0.3 1,695,757 - -0.4 1,695,757 - +0.1 1,695,795 + -1.1 1,695,796 - -0.7 1,695,796 - +0.4 1,695,796 - -0.4 1,695,796 - -0.3 1,695,942 + IAI47_08030 0.17 -0.1 1,695,942 + IAI47_08030 0.17 -0.8 1,696,020 + IAI47_08030 0.22 -1.9 1,696,021 - IAI47_08030 0.22 +0.8 1,696,021 - IAI47_08030 0.22 +1.8 1,696,068 - IAI47_08030 0.25 -0.0 1,696,068 - IAI47_08030 0.25 +0.3 1,696,140 + IAI47_08030 0.29 +0.0 1,696,140 + IAI47_08030 0.29 -0.3 1,696,140 + IAI47_08030 0.29 +0.3 1,696,140 + IAI47_08030 0.29 -0.8 1,696,141 - IAI47_08030 0.29 -1.2 1,696,141 - IAI47_08030 0.29 +0.9 1,696,141 - IAI47_08030 0.29 -0.1 1,696,186 + IAI47_08030 0.32 +0.6 1,696,186 + IAI47_08030 0.32 -0.3 1,696,235 + IAI47_08030 0.34 -0.3 1,696,235 + IAI47_08030 0.34 +0.7 1,696,235 + IAI47_08030 0.34 -0.3 1,696,235 + IAI47_08030 0.34 +0.7 1,696,235 + IAI47_08030 0.34 -0.8 1,696,235 + IAI47_08030 0.34 -1.9 1,696,236 - IAI47_08030 0.34 +0.2 1,696,323 + IAI47_08030 0.40 -0.8 1,696,464 + IAI47_08030 0.48 -0.1 1,696,464 + IAI47_08030 0.48 +2.5 1,696,465 - IAI47_08030 0.48 -0.1 1,696,465 - IAI47_08030 0.48 -0.7 1,696,465 - IAI47_08030 0.48 +0.3 1,696,500 + IAI47_08030 0.50 -0.6 1,696,501 - IAI47_08030 0.50 -1.2 1,696,501 - IAI47_08030 0.50 -0.2 1,696,515 - IAI47_08030 0.51 -0.7 1,696,515 - IAI47_08030 0.51 +0.1 1,696,515 - IAI47_08030 0.51 +2.5 1,696,614 + IAI47_08030 0.56 -0.3 1,696,614 + IAI47_08030 0.56 -0.6 1,696,614 + IAI47_08030 0.56 -0.8 1,696,614 + IAI47_08030 0.56 -0.3 1,696,614 + IAI47_08030 0.56 +0.2 1,696,615 - IAI47_08030 0.56 -0.8 1,696,615 - IAI47_08030 0.56 +0.3 1,696,649 + IAI47_08030 0.58 -1.4 1,696,649 + IAI47_08030 0.58 +1.5 1,696,649 + IAI47_08030 0.58 -1.5 1,696,650 - IAI47_08030 0.58 -1.7 1,696,650 - IAI47_08030 0.58 -0.8 1,696,825 + IAI47_08030 0.69 +0.2 1,696,826 - IAI47_08030 0.69 +0.1 1,696,867 + IAI47_08030 0.71 -0.4 1,696,867 + IAI47_08030 0.71 -1.6 1,696,867 + IAI47_08030 0.71 -1.8 1,696,867 + IAI47_08030 0.71 -1.9 1,696,868 - IAI47_08030 0.71 -2.4 1,696,868 - IAI47_08030 0.71 +0.0 1,696,868 - IAI47_08030 0.71 -0.1 1,696,868 - IAI47_08030 0.71 -1.8 1,696,964 + IAI47_08030 0.77 +1.5 1,696,968 + IAI47_08030 0.77 -0.5 1,697,101 + IAI47_08030 0.85 -0.6 1,697,101 + IAI47_08030 0.85 +0.0 1,697,102 - IAI47_08030 0.85 -0.7 1,697,102 - IAI47_08030 0.85 +0.7 1,697,190 + IAI47_08030 0.90 -1.5 1,697,190 + IAI47_08030 0.90 +1.4 1,697,193 + IAI47_08030 0.90 -1.1 1,697,193 + IAI47_08030 0.90 -0.3 1,697,193 + IAI47_08030 0.90 +0.6 1,697,193 + IAI47_08030 0.90 +0.1 1,697,193 + IAI47_08030 0.90 +0.1 1,697,193 + IAI47_08030 0.90 -2.7 1,697,193 + IAI47_08030 0.90 -0.9 1,697,194 - IAI47_08030 0.90 +0.6 1,697,194 - IAI47_08030 0.90 -0.3 1,697,194 - IAI47_08030 0.90 -0.4 1,697,195 + -1.9 1,697,195 + +0.4 1,697,195 + +0.6 1,697,195 + -2.0 1,697,196 - -0.1 1,697,196 - -0.7 1,697,205 + +0.4 1,697,205 + +0.4 1,697,206 - -1.1 1,697,206 - +0.3 1,697,206 - +0.5 1,697,207 + -1.0 1,697,207 + -1.5 1,697,207 + -2.0 1,697,207 + +0.2 1,697,208 - +0.6 1,697,208 - +1.0 1,697,208 - -0.7 1,697,208 - +0.6 1,697,208 - -0.3 1,697,208 - -0.3 1,697,208 - -0.8 1,697,251 + -0.3 1,697,276 - +1.1 1,697,276 - +0.4 1,697,276 - +1.1 1,697,308 + -0.3 1,697,309 - +0.9 1,697,309 - +0.6 1,697,355 + +0.8 1,697,356 - -0.2 1,697,387 + +0.9 1,697,388 - -0.7 1,697,399 + -0.3 1,697,435 + -2.1 1,697,435 + +0.5 1,697,435 + -0.8 1,697,436 - +1.1 1,697,440 - +0.8 1,697,466 + -0.8 1,697,467 - -1.9 1,697,467 - +0.8 1,697,467 - -0.3 1,697,469 + +0.0 1,697,469 + -1.1 1,697,469 + +0.1 1,697,469 + +0.2 1,697,469 + -0.2 1,697,469 + +0.3 1,697,469 + -1.9 1,697,469 + +0.1 1,697,469 + +0.9 1,697,469 + -0.4 1,697,470 - -0.7 1,697,470 - +0.2 1,697,470 - -0.1 1,697,470 - -0.3 1,697,470 - -0.3 1,697,470 - -0.2 1,697,470 - +0.0 1,697,470 - +0.4 1,697,518 + -0.2 1,697,518 + -0.7 1,697,518 + -0.8 1,697,519 - +0.5 1,697,550 + +0.9 1,697,550 + +0.9 1,697,551 - +0.3 1,697,584 + +1.2 1,697,585 - -1.2 1,697,585 - -0.3 1,697,585 - +0.1 1,697,636 + IAI47_08035 0.12 -1.9 1,697,636 + IAI47_08035 0.12 +1.1 1,697,725 - IAI47_08035 0.40 -0.7 1,697,745 + IAI47_08035 0.47 -1.6 1,697,893 - -0.7 1,697,893 - -1.3 1,697,916 + -1.7 1,697,916 + +0.8 1,697,940 + -1.5 1,697,968 + +0.6 1,697,968 + +0.0 1,697,968 + -0.7 1,697,968 + +0.8 1,697,968 + +1.3 1,697,968 + -0.3 1,697,969 - +0.1 1,697,969 - +1.3 1,697,969 - +1.7 1,697,969 - +1.1 1,697,969 - +0.7 1,697,972 + -0.1 1,697,972 + -0.7 1,697,972 + +0.3 1,697,972 + -0.5 1,697,973 - +1.2 1,697,973 - +0.5 1,698,008 + +0.6 1,698,008 + +1.1 1,698,009 - -0.5 1,698,009 - +0.9 1,698,068 + -2.6 1,698,069 - -0.2 1,698,112 + IAI47_08040 0.25 -0.2 1,698,112 + IAI47_08040 0.25 -0.2 1,698,113 - IAI47_08040 0.25 -1.5 1,698,113 - IAI47_08040 0.25 -0.4 1,698,217 + IAI47_08040 0.69 -0.3 1,698,223 - IAI47_08040 0.72 -0.0 1,698,223 - IAI47_08040 0.72 -0.1 1,698,250 + IAI47_08040 0.83 -0.3 1,698,287 + +0.1 1,698,287 + -1.5 1,698,288 - -0.7 1,698,288 - +1.5 1,698,288 - +1.1 1,698,318 + -1.4 1,698,318 + +0.6 1,698,319 - +0.3 1,698,319 - +0.6 1,698,320 + -0.4 1,698,320 + +1.4 1,698,320 + -0.0 1,698,321 - -0.7 1,698,321 - -0.3 1,698,321 - -0.8 1,698,321 - -1.2
Or see this region's nucleotide sequence