Nucleic Acids Research, 2010, Vol. 38, Database issue D747 Figure 1. Representative results of a PSI-MR speciﬁc search with all clones with structural information from the PDB (‘*’ in the PDB ID ﬁeld) from the Joint Center for Structural Genomics. Column headers include the Clone ID, the original clone ID provided by the PSI Center (this functions as a reference for the PSI and for researchers who already know which PSI clone they are searching for), the PDB ID (external link to PDB structural information), the PepcDB ID (external link to experimental annotation), species speciﬁc ID (external link to EntrezGene or model organism databases such as the Saccharomyces Genome Database), gene symbol, gene name, reference sequence, mutation/discrepancy (mutations represent intended mutations compared to the reference sequence such as active site point mutations, and discrepancies represent unintended diﬀerences in the insert we provide compared to the reference sequence), vector name and selectable marker (for selection in bacteria or other hosts). Clicking on the Clone ID links to a clone detail page that provides additional information including the insert sequence, growth conditions of the plasmid, and any special MTA that is required to receive the plasmid. Inserts provide examples of links to additional annotations. Clicking on the TargetDB ID links to TargetDB and the status of progress with this target. Clicking on the PDB ID links directly to structural annotation at the PDB.