SRX6935976 23575_R1 SRP201182 PRJNA548468 Paired-end read, PCR-produced library and index, proprietary indices and adapter product SRS5465985 SAMN12881517 23575_R1 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX6935977 23586_R2 SRP201182 PRJNA548468 Paired-end read, PCR-produced library and index, proprietary indices and adapter product SRS5465986 SAMN12881516 23586_R2 AMPLICON METAGENOMIC PCR Illumina MiSeq