1SMB:
reference: Structural analysis of the human Golgi-associated plant pathogenesis related protein GAPR-1 implicates dimerization as a regulatory mechanism., Serrano RL, Kuhn A, Hendricks A, Helms JB, Sinning I, Groves MR, J Mol Biol 2004 May 21;339(1):173-83. PMID: 15123429

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