Load N-cycle data
load_N_data()
list
Tu, Q., Lin, L., Cheng, L., Deng, Y. & He, Z. (2019) NCycDB: a curated integrative database for fast and accurate metagenomic profiling of nitrogen cycling genes. Bioinformatics 35, 1040–1048. Kuypers, M. M. M., Marchant, H. K. & Kartal, B. (2018) The microbial nitrogen-cycling network. Nat Rev Microbiol 16, 263–276.