cdd version 3.18 55570 models in the default search set and indexed in Entrez 17919 models from Pfam v32 4871 models from COG v1 1012 models from SMART v6.0 11068 models from the Entrez protein clusters database 4488 models from the TIGRFAM v14.0 database 183 models from the NCBIFAM database 16212 models curated by NCBI/CDD 4381 multi-model superfamilies indexed in Entrez