2HQW:
reference: The NMDA Receptor NR1 C1 Region Bound to Calmodulin: Structural Insights into Functional Differences between Homologous Domains., Ataman ZA, Gakhar L, Sorensen BR, Hell JW, Shea MA, Structure. 2007 Dec;15(12):1603-17. PMID: 18073110

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