The phrase 'is located downstream' is correct and usable in written English.
You could use it in a sentence such as "The town is located downstream of the river."
This GBR is located downstream of the stop codon of mouse Angptl4 gene, in a similar location to the GRE we previously identified in rat Angptl4 gene [67].
Each interfering body is located downstream of the test cylinder.
The third band of background deposition is located downstream of the first band and is an amorphous carbon layer of thickness ∼4 5 μm.
The intake structure of South Helwan Power Plant (SHPP) is located downstream a Groin Like Formation (GLF) at the right bank of the Nile River, South Cairo, Egypt.
We compared the genome organization of the two phages and observed that the acrIIA5 gene in the genome of phage D4276 is located downstream of a conserved gene (Fig. 1b, pink), which is also present in D1811.
A second ORF of 822 bp is located downstream to ORF1.
ORF2 is located downstream to ORF1 and points into the same direction.
Another TRDV gene (TRDV3) is located downstream of the TRDC gene, in inverted transcription orientation (Lefranc and Rabbitts, 1990).
A freeway split is located downstream from an entrance and a sight-restricting horizontal curve (Fig. 4).
A putative PHA synthesis regulator is encoded by phaR Bs and it is located downstream of phaB.
The data implicate that cDermo-1 is located downstream of BMP in a signaling pathway that leads to condensation of dermal cells.
