TY - RPRT TI - Engineering a flexible loop in S-adenosyl-L-methionine synthetase enables production of SAM nucleobase analogues with selective biochemical and cellular activity AU - Hazra, A. B. AU - Kalita, D. B. AU - Bhattacharyya, A. AU - Gupte, V. AU - Venugopal, V. AU - Pattathil, A. PY - 2026 DO - 10.64898/2026.07.10.737877 UR - https://www.biorxiv.org/content/10.64898/2026.07.10.737877v1 ID - 10.64898/2026.07.10.737877 ER -