Riboswitch identification software tools | Transcription data analysis
Riboswitches are short sequences of messenger RNA that can change their structural conformation to regulate the expression of adjacent genes. Computational prediction of putative riboswitches can provide direction to molecular biologists studying riboswitch-mediated gene expression.
A web server capable of searching any sequence for known riboswitches as well as other predicted, but highly conserved, bacterial regulatory elements. RibEx allows the visual inspection of the identified motifs in relation to attenuators and open reading frames (ORFs). Any of the ORF's or regulatory elements' sequence can be obtained with a click and submitted to NCBI's BLAST. Alternatively, the genome context of all other genes regulated by the same element can be explored with our genome context tool (GeConT).
Computes the number and Boltzmann probability of the set of secondary structures of a given RNA sequence at base pair distance δ from a given structure. The input structure could be the minimum free energy structure, the secondary structure obtained by analysis of the X-ray structure or by comparative sequence analysis, or an arbitrary intermediate structure.
A tool for searching putative riboswitches. The efficiency of the proposed method for identifying riboswitches was improved in order to achieve a reasonable computational time required for the prediction, which makes it possible to have an accurate and convenient web server for biologists to obtain the results of their analysis of a given mRNA sequence.
Detects riboswitches from genomic sequences with high sensitivity and specificity. Riboswitch Scanner uses a method based on profile Hidden Markov Models (pHMMs) for detecting riboswitches. Riboswitch Scanner also provides the putative locations of the riboswitches in the genomic sequences. Riboswitch Scanner is able to detect 24 classes of riboswitches from complete genome sequences as well as from partial genome sequences.
A dedicated RNA motif search program and web server to identify RNA riboswitches. The Riboswitch finder analyses a given sequence using the web interface, checks specific sequence elements and secondary structure, calculates and displays the energy folding of the RNA structure and runs a number of tests including this information to determine whether high-sensitivity riboswitch motifs (or variants) according to the Bacillus subtilis type are present in the given RNA sequence.
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