Funding: Nupur and Sandeep Kumar Dhanda are thankful to CSIR and ICMR, respectively, for senior research fellowships. Asheema Vats is thankful to CSIR for a fellowship and the Bioinformatics Center of the CSIR-Institute of Microbial Technology for its web services and the platform for ProCarDB. The authors are thankful to Dr. Shinichi Takaichi for reading the manuscript and suggestions regarding the database.