1KWH:
reference: Crystal structure of AlgQ2, a macromolecule (alginate)-binding protein of Sphingomonas sp. A1 at 2.0A resolution., Momma K, Mikami B, Mishima Y, Hashimoto W, Murata K, J Mol Biol 2002 Mar 8;316(5):1051-9. PMID: 11884143

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