Protein Family Models

Date:

2024-08-14

The family includes the protease PfpI Swiss:Q51732 [1]. This domain is also found in transcriptional regulators such as Swiss:Q9RJG8. [1]. 8626329. Sequence, expression in Escherichia coli, and analysis of the gene encoding a novel intracellular protease (PfpI) from the hyperthermophilic archaeon Pyrococcus furiosus. Halio SB, Blumentals II, Short SA, Merrill BM, Kelly RM;. J Bacteriol 1996;178:2605-2612. [2]. 15784968. AdpA, a central transcriptional regulator in the A-factor regulatory cascade that leads to morphological development and secondary metabolism in Streptomyces griseus. Ohnishi Y, Yamazaki H, Kato JY, Tomono A, Horinouchi S;. Biosci Biotechnol Biochem. 2005;69:431-439. (from Pfam)

Date:

2024-10-16

In the absence of arabinose, the N-terminal arm of AraC binds to the DNA binding domain (Pfam:PF00165) and helps to hold the two DNA binding domains in a relative orientation that favours DNA looping. In the presence of arabinose, the arms bind over the arabinose on the dimerisation domain, thus freeing the DNA-binding domains. The freed DNA-binding domains are then able to assume a conformation suitable for binding to the adjacent DNA sites that are utilised when AraC activates transcription, and hence AraC ceases looping the DNA when arabinose is added [1-2]. [1]. 9600836. Apo-AraC actively seeks to loop. Seabold RR, Schleif RF;. J Mol Biol 1998;278:529-538. [2]. 9600837. Arm-domain interactions in AraC. Saviola B, Seabold R, Schleif RF;. J Mol Biol 1998;278:539-548. (from Pfam)

Date:

2024-10-16

GlxA family transcriptional regulator contains an amidase domain and an AraC-type DNA-binding helix-turn-helix (HTH) domain

Date:

2024-04-25