This directory contains a dump of the UCSC genome annotation database for
the Nov. 2009 (JGI 4.2/xenTro3) assembly of the
Xenopus (Silurana) tropicalis (western clawed frog) genome
(xenTro3, US DOE Joint Genome Institute (JGI-PGF)
(GCA_000004195.1)) from the X. tropicalis Genome Consortium.
The annotations were generated by UCSC and collaborators worldwide.


This assembly was produced by the US DOE Joint Genome Institute (JGI).
For more information on the X. tropicalis genome, please note the
NCBI WGS Traces information:
	http://www.ncbi.nlm.nih.gov/Traces/wgs/?val=AAMC01
and the project website:
	http://genome.jgi-psf.org/Xentr4/Xentr4.home.html

Files included in this directory (updated nightly):

  - *.sql files:  the MySQL commands used to create the tables

  - *.txt.gz files: the database tables in a tab-delimited format
    compressed with gzip.

To see descriptions of the tables underlying Genome Browser annotation
tracks, select the table in the Table Browser:
  http://genome.ucsc.edu/cgi-bin/hgTables?db=xenTro3
and click the "describe table schema" button.  There is also a "view
table schema" link on the configuration page for each track.

---------------------------------------------------------------
If you plan to download a large file or multiple files from this 
directory, we recommend you use ftp rather than downloading the files 
via our website. To do so, ftp to hgdownload.cse.ucsc.edu, then go to 
the directory goldenPath/xenTro3/database/. To download multiple 
files, use the "mget" command:

    mget <filename1> <filename2> ...
    - or -
    mget -a (to download all the files in the directory) 

Alternate methods to ftp access.

Using an rsync command to download the entire directory:
    rsync -avzP rsync://hgdownload.cse.ucsc.edu/goldenPath/xenTro3/database/ .
For a single file, e.g. gc5BaseBw.txt.gz
    rsync -avzP 
        rsync://hgdownload.cse.ucsc.edu/goldenPath/xenTro3/database/gc5BaseBw.txt.gz .

Or with wget, all files:
    wget --timestamping 
        'ftp://hgdownload.cse.ucsc.edu/goldenPath/xenTro3/database/*'
With wget, a single file: 
    wget --timestamping 
        'ftp://hgdownload.cse.ucsc.edu/goldenPath/xenTro3/database/gc5BaseBw.txt.gz' 
        -O gc5BaseBw.txt.gz

Please note that some files contents, such as this example gc5BaseBw.txt.gz,
will point to the data being hosted in another /gbdb/ location, which
refers to ftp://hgdownload.cse.ucsc.edu/gbdb/

To uncompress the *.txt.gz files:
    gunzip <table>.txt.gz
The tables can be loaded directly from the .txt.gz compressed file.
It is not necessary to uncompress them to load into a database,
as shown in the example below.

To load one of the tables directly into your local mirror database,
for example the table chromInfo:
## create table from the sql definition
$ hgsql xenTro3 < chromInfo.sql
## load data from the txt.gz file
$ zcat chromInfo.txt.gz | hgsql xenTro3 --local-infile=1 
        -e 'LOAD DATA LOCAL INFILE "/dev/stdin" INTO TABLE chromInfo;'

==========================================================================
Data use policy from:
    http://genome.jgi-psf.org/Xentr4/Xentr4.download.html

Preliminary drafts of the X. tropicalis sequence are made freely available
before scientific publication by the JGI and the X. tropicalis Genome 
Consortium, with the following understanding:

1. The data may be freely downloaded, used in analyses, and repackaged 
   in databases. 
2. Users are free to use the data in scientific papers analyzing 
   particular genes and regions if the provider of this data 
   (DOE Joint Genome Institute) is properly acknowledged. 
3. Additional shotgun sequencing is ongoing, and future assembly 
   releases will be made in a timely fashion. We expect to publish an 
   initial analysis of a high quality draft X. tropicalis genome sequence 
   in 2005 (with submission targeted for the spring of 2005) which will 
   include descriptions of the large scale organization of the frog 
   genome as well as genome-scale comparisons of the frog sequence and 
   gene set with those of other animals. Others who would like to 
   coordinate other genome-wide analysis with this work should contact
   Paul Richardson (pmrichardson@lbl.gov), JGI. We welcome a coordinated 
   approach to describing this community resource. 
4. Any redistribution of the data should carry this notice. 
==========================================================================
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