Table 1 Assembly and sequencing statistics for the activated sludge samples.

From: Effects of an external magnetic field on microbial functional genes and metabolism of activated sludge based on metagenomic sequencing

Parameter

CK

M

Raw reads

104,261,932

72,952,276

Raw bases

15,743,551,732

11,015,793,676

Clean reads

94,231,934

65,438,191

Clean bases

14,098,350,576

9,791,938,998

Metagenomic sequence assembling

Contigs

Scaffolds

Minimum sequence length (bp)

200

200

Maximum sequence length (bp)

669,717

739,536

N50 length (bp)

1,902

2,050

Total sequences

444,274

67,707

Macronomic length (bp)

532,318,741

530,334,523

GC base count

300,608,981

299,397,251

Sequences of length > 1 kb

119,179

116.148