NCBI sequence read experiment (SRX) number:ID:Pt:XXX:Nom
ncbi sequence read experiment (srx) number:id:pt:xxx:nom
NCBI sequence read experiment (SRX) number:Identifier:To identify measures at a point in time:Not specified:Nominal
ncbi sequence read experiment (srx) number:identifier:to identify measures at a point in time:not specified:nominal