The nuts and bolts of the Haloferax CRISPR-Cas system I-B by Maier, L-K, Stachler, A-E, Brendel, J, Stoll, B, Fischer, S, Haas, K, Schwarz, T, Alkhnbashi, OS, Sharma, K, Urlaub, H, Backofen, R, Gophna, U, Marchfelder, A