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3pgk is a 1 chain structure with sequence from Saccharomyces cerevisiae. This structure supersedes the now removed PDB entry 1pgk. The February 2004 RCSB PDB Molecule of the Month feature on The Glycolytic Enzymes by David S. Goodsell is 10.2210/rcsb_pdb/mom_2004_2. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.