X-Git-Url: https://git.donarmstrong.com/?p=don.git;a=blobdiff_plain;f=genetics%2Fdbsnp_mirror.mdwn;h=addc10ea1c9dbebcb901e658c06b8e2bd9a7d829;hp=a56c0adc0b63ce9f3a63b7ff0f5d420b8c8adf2b;hb=92a2a80dbf778263226f2cbdc1e5cd3583432808;hpb=b8e4f2b614cc4e34e90152b918ada47494b71da4 diff --git a/genetics/dbsnp_mirror.mdwn b/genetics/dbsnp_mirror.mdwn index a56c0ad..addc10e 100644 --- a/genetics/dbsnp_mirror.mdwn +++ b/genetics/dbsnp_mirror.mdwn @@ -5,7 +5,8 @@ Getting Files Assuming you are interested in humans (like I am) the following will download the databases and schemas for the current release of dbsnp. -For humans, this is currently ≈60G, and takes about a while to retrieve. +For humans, this is currently ≈60G, and takes a while to retrieve +(about 24 hours or so). for a in {organism,shared}_{data,schema}; do lftp -c "open ftp.ncbi.nlm.nih.gov; cd /snp/organisms/human_9606/database/; mirror $a"; @@ -85,24 +86,24 @@ Once the process above has finished, you can actually query the database. For example, to select information about rs17849502 with its chromosome and position, you do something like the following: - SELECT scpr.snp_id AS snp_id, - scpr.chr AS chr, - scpr.pos AS pos, - scpr.orien AS orien, - scl.allele AS ref, - uv.var_str AS var_str, - ruv.var_str AS rev_var_str, - ml.locus_id AS uid, - ml.locus_symbol AS symbol, - gitn.gene_name AS description - FROM snp s - JOIN b135_snpchrposonref_37_3 scpr ON s.snp_id=scpr.snp_id - JOIN b135_snpcontigloc_37_3 scl ON scpr.snp_id=scl.snp_id - JOIN b135_contiginfo_37_3 ci ON scl.ctg_id = ci.ctg_id - LEFT OUTER JOIN b132_snpcontiglocusid_37_1 ml ON s.snp_id=ml.snp_id - LEFT OUTER JOIN geneidtoname gitn ON ml.locus_id=gitn.gene_id - JOIN univariation uv ON s.univar_id=uv.univar_id - JOIN univariation ruv ON uv.rev_univar_id=ruv.univar_id - WHERE ci.group_term LIKE 'GRCh%' AND s.snp_id='17849502'; + SELECT scpr.snp_id AS snp_id, + scpr.chr AS chr, + scpr.pos AS pos, + scpr.orien AS orien, + scl.allele AS ref, + uv.var_str AS var_str, + ruv.var_str AS rev_var_str, + ml.locus_id AS uid, + ml.locus_symbol AS symbol, + gitn.gene_name AS description + FROM snp s + JOIN b135_snpchrposonref_37_3 scpr ON s.snp_id=scpr.snp_id + JOIN b135_snpcontigloc_37_3 scl ON scpr.snp_id=scl.snp_id + JOIN b135_contiginfo_37_3 ci ON scl.ctg_id = ci.ctg_id + LEFT OUTER JOIN b132_snpcontiglocusid_37_1 ml ON s.snp_id=ml.snp_id + LEFT OUTER JOIN geneidtoname gitn ON ml.locus_id=gitn.gene_id + JOIN univariation uv ON s.univar_id=uv.univar_id + JOIN univariation ruv ON uv.rev_univar_id=ruv.univar_id + WHERE ci.group_term LIKE 'GRCh%' AND s.snp_id='17849502'; [I personally use this very query in a program called snp_info, which I'll probably share later.]