2HBP:
reference: Structure of Sla1p homology domain 1 and interaction with the NPFxD endocytic internalization motif., Mahadev RK, Di Pietro SM, Olson JM, Piao HL, Payne GS, Overduin M, EMBO J. 2007 Apr 4;26(7):1963-71. Epub 2007 Mar 15. PMID: 17363896

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