NCBI
dbSNP

dbVar ClinVar GaP PubMed Nucleotide Protein
Search small variations in dbSNP or large structural variations in dbVar
transparent GIF
Spacer gif
Have a question about dbSNP? Try searching the SNP FAQ Archive!

Spacer gif
Method Detail
Submitter Method Handle: SC_SNP
Submitter Method ID: CHR20_NA10470_200306
Submitted method description:
Chromosome 20 specific sequencing libaries were created from the flow sorted Coriell DNA NA10470 (Pygmy origin).
We aligned the sequencing reads to build33 of the human genome, available at ftp://ftp.ncbi.nih.gov/genomes/H_sapiens/, using ssahaSNP. The settings for ssahaSNP were such that the candidate SNP base in the read was at least Phred Q=23, that its neighbour
ing 5 bases on either side of the candidate SNP all had Phred quality values of >=15 and at least 9 of the 10 neighbours match. If the number of detected SNPs for the aligned segment of a read exceeded a rate of 15 SNPs per 1000 bases then that read align
ment was ignored. If a read aligned to more than one place in the genome, then only the longest alignment with the fewest SNPs was reported.
Note: Flow sorting of chromosomes also includes a small percentage of unintended chromosomal material. Therefore some reads for this flow sorted library may generate SNPs on other chromosomes.

This method was used in the following submission:

Submitter Handle Batch Type Submitter batch id Release build id
SC_SNP Assay CHR20_NA10470_200306 116
SC_SNP Assay CHR20_NA10470_200306-2 116

GENERAL: Contact Us | Homepage | Announcements |dbSNP Summary | Genome | FTP SERVER | Build History | Handle Request
DOCUMENTATION: FAQ | Searchable FAQ Archive | Overview | How to Submit | RefSNP Summary Info | Database Schema
SEARCH: Entrez SNP | Blast SNP | Batch Query | By Submitter |New Batches | Method | Population | Publication | Batch | Locus Info | Between Marker
NCBI: PubMed | Entrez | BLAST | OMIM | Taxonomy | Structure

Disclaimer     Privacy statement