BLAST nucleotide (BLASTN) searches nucleotide subjects using a nucleotide query.

PubMed is a free database accessing the MEDLINE database of citations, abstracts and some full text articles on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health (NIH) maint...

Given a DNA sequence, TF Search returns potential transcriptional factor binding sites on the sequence.

Tfsitescan is intended for promoter sequence analysis and works best with sequences of ~500 nt

Tess is a web tool for predicting transcription factor binding sites in DNA sequences. It can identify binding sites using site or consensus strings and positional weight matrices from the TRANSFAC, JASPAR, IMD, and our CBIL-GibbsMat database. This ...

Primer Blast is a web application that uses Primer3 to design PCR primers and then submits them to BLAST search against user-selected database. The blast results are then automatically analyzed to avoid primer pairs that can cause amplification of t...

An online scientific calculator

Naturejobs is in association with Nature magazine. It is a worldwide career resource for scientists, providing a wide range of career advice and information.

PCR Now permits to design Real-Time Polymerase Chain Reaction (RT-PCR) primers for any number of user-defined coding sequences. Great control over primer properties.

Divide-and-Conquer Multiple Sequence Alignment

Dilute a stock solution, Molarity from mass & volume, Mass from volume & concentration, Volume from mass & concentration.

Multiple Sequence Alignment is the arrangement of several protein or nucleic acid sequences with postulated gaps so that similar residues (in one-letter code) are juxtaposed.

KEGG DRUG is a unified drug information resource that contains chemical structures and/or chemical components of all prescription and OTC drugs in Japan, most prescription drugs in the USA, and many prescription drugs in Europe. Thus, all the markete...

Convert between moles and grams

Wikigenes is the first wiki system to combine the collaborative and largely altruistic possibilities of wikis with explicit authorship. In view of the extraordinary success of Wikipedia there remains no doubt about the potential of collaborative publ...

Primer3 Plus is the new improved web interface to the popular Primer3 primer design program.

TFBIND (Laboratory Head, SNP Research Center, RIKEN, Japan) Software for searching transcription factor binding sites (including TATA boxes, GC boxes, CCAAT boxes, transcription start sites (TSS)). This tool uses weight matrix in transcription fac...

Gene ID Conversion Tool is a comprehensive and fast accession mapping system in DAVID 2.1,. With it any given gene accession can be quickly mapped to another based on the user's choice. The tool also automatically suggests possible choices for the am...

Cancer Genome Project has embarked on a systematic characterisation of the genetics and genomics of large numbers of cancer cell lines. Prior knowledge of their genetic abnormalities may allow more informed choice of cancer cell lines in biological e...