1J8E:
reference: Calcium coordination and pH dependence of the calcium affinity of ligand-binding repeat CR7 from the LRP. Comparison with related domains from the LRP and the LDL receptor., Simonovic M, Dolmer K, Huang W, Strickland DK, Volz K, Gettins PG, Biochemistry 2001 Dec 18;40(50):15127-34. PMID: 11735395

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