97805fb2ceb73357aa78aa94107148dc355d4e1c mspeir Tue Sep 22 08:36:22 2026 -0700 Conservation tracks: give the description pages a real Data Access section, refs #34803 The hgdownload link block on these pages had no header, and on 18 of them it sat above the Description, which is where it got overlooked. Move it into an

Data Access

in the usual place, after Methods and before Credits, and add pointers to the Table Browser, the Data Integrator and the REST API, plus the maf* and bigWig* command line tools. 134 pages: 55 had a download block that was moved and labeled, 56 get a list built from hgdownload directories that were checked to exist, 21 have no download directory of their own and so get the Table Browser and API pointers only, and 2 already had a Data Access section that was reworked. Existing download lists are unchanged apart from http -> https and an added target="_blank". Wording follows what each track actually holds, so the alignment-only pages do not claim conservation scores and the Data Integrator is only mentioned where it can really be used, since it does not handle MAF. Also corrects one link: hg18 cons44way pointed at multiz44way/maf, which redirects; it is now multiz44way/maf/. Co-Authored-By: Claude Opus 5 (1M context) diff --git src/hg/makeDb/trackDb/sacCer/multizYeast.html src/hg/makeDb/trackDb/sacCer/multizYeast.html index 0ed573eff36..ad57c1555bf 100644 --- src/hg/makeDb/trackDb/sacCer/multizYeast.html +++ src/hg/makeDb/trackDb/sacCer/multizYeast.html @@ -59,30 +59,57 @@ scores reflect the phylogeny (including branch lengths) of the species in question, a continuous-time Markov model of the nucleotide substitution process, and a tendency for conservation levels to be autocorrelated along the genome (i.e., to be similar at adjacent sites). The general reversible (REV) substitution model was used. Note that, unlike many conservation-scoring programs, phastCons does not rely on a sliding window of fixed size, so short highly-conserved regions and long moderately conserved regions can both obtain high scores. More information about phastCons can be found in Siepel et al. (2005).

PhastCons currently treats alignment gaps as missing data, which sometimes has the effect of producing undesirably high conservation scores in gappy regions of the alignment. We are looking at several possible ways of improving the handling of alignment gaps.

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Data Access

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+The alignments and the conservation scores can be retrieved for a single region or for a list of +regions with the Table Browser, +which returns the alignments in MAF format and the scores as wiggle data. The conservation +scores, though not the alignments, can also be joined with other annotations in the Data Integrator. For automated access, our REST API serves the alignment and conservation tracks +individually, by name. +

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+The files behind this track can be downloaded from our download server: +

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+Genome-wide alignment files are large. Among our command-line programs, mafsInRegion, +mafSpeciesSubset and mafFrags pull out a region, a subset of species, or the +alignment underlying a gene. They can be downloaded from the utilities directory, and +each one prints its usage when run with no arguments. See our Data Access FAQ for more information. +

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Credits

This track was created at UCSC using the following programs: