The Distributed Annotation System

This page describes how far we've gotten into implementing the XML-based Distributed Annotation System. For a description of the standard, see the bioDAS-homepage.

OpenSNP doesn't offer nucleotide-sequences so there are only two methods: "sources" and "features".

sources

Available under:

http://opensnp.org/das/sources

This page advertises the supported data-sources for any 3rd-party-DAS-tools. All DAS-related URLs are listed, each "feature" represents all SNPs for a certain user.

features

Each source lists all SNPs for a user with that ID, for example:

http://opensnp.org/das/1/features

is the starting point to get all SNPs for the user with the ID 1 (Basti). To get only the SNPs for a certain chromosome between certain positions, use

http://opensnp.org/das/(user-id)/features?segment=(chromosome-number):(start),(end)

where the relevant numbers are filled in. Example:

http://opensnp.org/das/1/features?segment=2:0,200000

would result in an XML-formatted list of SNPs from chromosome 2 from position 0 to 200,000, from user with ID 1.