4KRM:
reference: Structural evaluation of EGFR inhibition mechanisms for nanobodies/VHH domains., Schmitz KR, Bagchi A, Roovers RC, van Bergen en Henegouwen PM, Ferguson KM, Structure. 2013 Jul 2;21(7):1214-24. doi: 10.1016/j.str.2013.05.008. Epub 2013, Jun 20. PMID: 23791944

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