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Schematic alignment of GARF and MTF sequences from various sources. The amino acid numbering of MTF begins with serine found at the N terminus of the E. coli protein. The amino acids Asn, His, Ser/Thr, and Asp [thought to be involved in catalysis in GARF (14–16) and also found in MTF] are indicated. Arrows indicate sites of insertion in MTF compared with GARF.
