Each β-lactamase family has its own detailed description page, which contains short summary related to the corresponding β-lactamase family and other related information describing the number of variants, organisms in which members of a particular β-lactamase family were reported, nucleotide/protein sequences, PDB structures, hydrolytic profile and link to other databases and description.
It is well known that humans are creating new variants of organisms, ecosystems and landscapes.
Performance characteristics need to be determined on an ongoing basis because new variants of organisms that are not detected by the tests may arise.
MTCID is a repository providing access to the genetic polymorphisms from clinical isolates and also information on their strains and associated spoligotypes (8), while dbSNP archives genomic variants of organisms.
The challenges of variant identification in organisms with lower quality reference genomes are less well documented.
For the Dog2 and Ap variant 1 strains, organisms were cultured and isolated from ISE6 tick cells as described [ 49].
Thus, it is possible that throughout the course of vertebrate evolution, the two H2A.Z isoforms have acquired a degree of independent function that may contribute to the increased complexity and large diversity of roles for this histone variant in higher organisms.
The biotin-binding pocket is conserved in BirA variants from different organisms and is lined with residues from L4 (G68, G68 and W74) and β7 (G154 and G156).
Although modern sequencing technologies permit the ready detection of numerous DNA sequence variants in any organisms, converting such information to PCR-based genetic markers is hampered by a lack of simple, scalable tools.
Interestingly, an e2g and Sim4 analysis performed in non-mammalian species did not result in the recognition of mouse and human related Jmjd6 splice variants in these organisms (data not shown).
