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Free Bio-Informatic Tools Similarity Searching & Homology Tools Here the user will be able to use various sequence database similarity search tools such as Fasta, Blast, MPsrch and Scanps. Interactive as well as email submissions are available for each of these services Fasta EBI (Protein) | FASTA (pronounced FAST-Aye) stands for FAST-All, reflecting the fact that it can be used for a fast protein comparison or a fast nucleotide comparison. Tutorial | Fasta EBI (Nucleotide) | Tutorial | Specialised Fasta (EBI) | Fasta-ASD server, Fasta-LGIC Protein server, Fasta-LGIC Nucleotide server,Fasta-Proteome server, Fasta-Genome server, Fasta-SNP server, Fasta-WGS server | Paracel's Fast Data Finder (FDF) | At EMBnet-CH | BLAST Network Service (ExPASY) | The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance of matches. BLAST can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families. | BLAST | At EMBnet-CH/SIB (Switzerland) | BLAST at NCBI | Protein-protein BLAST (blastp), Nucleotide-nucleotide BLAST (blastn), Quickly search for highly similar sequences (megablast) Tutorial
| Other Similarity Search Tools | At ExPASY, EBI (MPsrch, SCANPS-Scan Protein Sequence) |
Sequence Format Conversion and DNA -> Protein Tools ReadSeq | Automatically detects input format and converts into FASTA, Stanford, Genbank, NBRF, EMBL, GCG, DNAStrider, Fitch, Phylip, raw, PIR, MSF or NEXUS sequence formats | SeqVerter | Converts sequence between different formats | Translate | Translates a nucleotide sequence to a protein sequence | Transeq | Nucleotide to protein translation from the EMBOSS package | Backtranslation | Translates a protein sequence back to a nucleotide sequence | DNA mutation Checker (EBI) | A tool to verify the transcription and translation effects of DNA level sequence variation. | Genewise | Compares a protein sequence to a genomic DNA sequence |
Sequence Assembly Tools ESSEM | Est aSSEmbly tool using Malig. On-line sequential web application is accessible. Allows the reconstruction of DNA sequences from a set of fragments. | Merger | Merge two overlapping nucleic acid sequences | CAP3 | Contig Assembly Program Based on Sensitive Detection of Fragment Overlaps |
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