This entry represents the C-terminal helical domain of CarD from Mycobacterium tuberculosis, a RNAP-binding protein that regulates transcription and essential processes [1-3]. This domain binds DNA in a non-specific manner [4].

1: Structure and function of CarD, an essential mycobacterial transcription factor. Srivastava DB, Leon K, Osmundson J, Garner AL, Weiss LA, Westblade LF, Glickman MS, Landick R, Darst SA, Stallings CL, Campbell EA; Proc Natl Acad Sci U S A. 2013;110:12619-12624. PMID:23858468

2: Crystal structure of Mycobacterium tuberculosis CarD, an essential RNA polymerase binding protein, reveals a quasidomain-swapped dimeric structural architecture. Kaur G, Dutta D, Thakur KG; Proteins. 2014;82:879-884. PMID:24115125

3: Interaction of CarD with RNA polymerase mediates Mycobacterium tuberculosis viability, rifampin resistance, and pathogenesis. Weiss LA, Harrison PG, Nickels BE, Glickman MS, Campbell EA, Darst SA, Stallings CL; J Bacteriol. 2012;194:5621-5631. PMID:22904282

4: Mycobacterium tuberculosis CarD, an essential global transcriptional regulator forms amyloid-like fibrils. Kaur G, Kaundal S, Kapoor S, Grimes JM, Huiskonen JT, Thakur KG; Sci Rep. 2018;8:10124. PMID:29973616