Welcome to HMMCAS home page! HMMCAS is a program to identify Cas proteins in archaea and bacteria proteome. You can also use this web tool to find Cas proteins in your interested proteome such as giant virus. This page provides access to HMMCAS. Users are advised to use this complete proteome (NC_016025.faa) to be familiar with our network services. Directly copy the 826 proteins in the Candidatus Chloracidobacterium thermophilum B into the input field, or save these proteins as a file ended with .faa, .fasta or .txt and then upload this file.