Structural highlights 
| 2xxk is a 1 chain structure with sequence from "bacterium_influenzae"_lehmann_and_neumann_1896 "bacterium influenzae" lehmann and neumann 1896. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. 
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| Ligands: |  | 
| Related: | 2xa5, 2wyk , 2cey , 2xwv , 2xwo , 2cex , 2xwi , 2wyp , 2v4c , 2xwk , 2wx9 | 
| Resources: | FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT | 
  Function 
[SIAP_HAEIN] Part of the tripartite ATP-independent periplasmic (TRAP) transport system SiaPT involved in the uptake of sialic acid. This protein specifically binds sialic acid with high affinity.