Fig. 2From: Identification of hot regions in hub protein–protein interactions by clustering and PPRA optimizationAverage silhouette width graph of different k value for 1A22, 1FCC and 3HFM. a 1A22,k = 2 under max ASW; b 1FCC, k = 2 under max ASW; c 3HFM, k = 3 under max ASWBack to article page