Hello, An "N" in the genomic sequence represents a gap. See the Gap track description for an explanation of the types of gaps we annotate this way and the gap table for the coordinates of these regions. Some of these are of known length and some are estimates.
Thanks, Jennifer Jackson UCSC Genome Bioinformatics Group Yongsheng Bai wrote: > Hi, > > > > If the "base position" in the UCSC genome browser shows all "N"s, what does > this mean? > > > > Thanks, > > YB > > _______________________________________________ > Genome maillist - [email protected] > https://lists.soe.ucsc.edu/mailman/listinfo/genome > _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
