Table 1 Data set of protein complexes Type Name Type of Interaction #. of Complexes #. of Domains ENZa Enzyme-inhibitors 25 49 nonEnzb Non Enzyme-inhibitors 21 47 HETc Hetero-obligomers 14 33 HOMd Homo-obligomers 87 225 Total 147 354 aEN Z: Enzyme-inhibitor interactions; bnonENZ: non-Enzyme-inhibitor interactions; cHET: Hetero-obligate interactions; dHOM: Homo-obligate interactions.