organism: gut metagenome
attributes.tag: host
attributes.value: Not applicable
attributes.tag: isolation_source
attributes.value: Negative control4
attributes.tag: collection_date
attributes.value: Not applicable
attributes.tag: geo_loc_name
attributes.value: Not applicable
attributes.tag: lat_lon
attributes.value: Not applicable
attributes.tag: Marker
attributes.value: COI
attributes.tag: library_ID
attributes.value: PCR_Blank4_COI_97
attributes.tag: BioSampleModel
attributes.value: Metagenome or environmental