This is strange. I just pasted the region you noted below into Galaxy (in the 'Get Data -> Upload File' tool), assigned it to mm7, and lifted to mm8 without any issues. I also checked the data behind the tool - all appears to be fine.
result in mm8 coordinates
chr1 4552557 4556399 region_0 0 +
Are you certain there is not a format problem with the data? This seems to be the only explanation for the problem. But after one more check, you can submit a bug report and note that this is the problem. Be sure to leave the input and all error outputs undeleted when you report the problem or we won't be able to offer the best feedback.
It is true that UCSC only produced a liftOver file that went from mm7->mm6/8, then you can go from mm8->mm7/9/10. This is just the data available. When lifting from data this old - be aware that a genome can change quite a bit in some regions in new 3 revisions. Still, lifting this way is certainly something you can try. If a much older genome is not in Galaxy, just do the lift at UCSC (the liftOver tool is under the top blue banner "Tools").
Hopefully the problem can be sorted out but if not we can take a look,
On 10/30/13 3:04 PM, Kreiling, Jill wrote:
Hello, I have a set of coordinates for mm7 that I have been using try to extract the genomic sequences. However it doesn't recognize the chromosome name column. The are currently listed as chr1, chr2, ....chrX. This is the error I get each time I try to extract sequences:Chromosome by name 'chr1' was not found for build 'mm7'. Skipped 1181 invalid lines, 1st is #1, "chr1 4558068 4561910 region_0 0 +"
However if I change the build to mm10 it works fine - but the coordinates are not the same between builds. Also, mm7 can't be lifted over to mm9 or mm10.
Does anyone know the proper format for chromosome name in mm7:
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