4PCW:
reference: Crystal Structure of Human Profilaggrin S100 Domain and Identification of Target Proteins Annexin II, Stratifin and hsp27., Bunick CG, Presland RB, Lawrence OT, Pearton DJ, Milstone LM, Steitz TA, J Invest Dermatol. 2015 Mar 11. doi: 10.1038/jid.2015.102. PMID: 25760235

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