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Figure 6
Illustration of the Neu5Ac utilization pathway. (1) Various transporter proteins facilitate the movement of Neu5Ac from the periplasmic space into the cytoplasm. (2) In the catabolic pathway, the first enzyme, NanA (Neu5Ac lyase), initiates the utilization of Neu5Ac. (3) SiaB (CMP–Neu5Ac synthetase) adds CMP to Neu5Ac in the incorporation pathway. (4) Lic3A (sialyltransferase) incorporates Neu5Ac into the LPS.

IUCrJ
Volume 11| Part 5| September 2024| Pages 664-674
ISSN: 2052-2525
https://doi.org/10.1107/S2052252524005360