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Plain sterile water is not preservative-free bacteriostatic once the vial seal is broken, it is susceptible to microbial contamination and should only be used for single-draw applications

Retrieved May 4, 2021

While known commonly as Vitamin B12 it does, in fact, exist in four very similar chemical forms, namely: Methylcobalamin Adenosylcobalamin Cyanocobalamin Hydroxocobalamin Methylcobalamin and Adenosylcobalamin are both naturally occurring co-enzymes that are found in food sources

Therefore, we chemically synthesized the relevant macrocycles with C-terminal (-alanine) 2 -FLAG tags (A 2 -FLAG), with the resulting peptides referred to as aML5-FLAG, aMD4-FLAG and aMD5-FLAG (Supplementary Table 2 and Supplementary Fig