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Main topics: ARB: a Short Introduction Glossary What are Species ? | Related topics: E. coli Reference Helix
# SAI Sequence Associated Information DESCRIPTION IMPLEMENTED SAI's NOTES ## DESCRIPTION
### The main database divides all sequences into two groups: Species sequences -> Species All other sequences -> SAI ( masks, filters, profiles ) ### You should keep the number of SAI's small for you cannot: search SAI's select a subset of SAI's
## IMPLEMENTED SAI's
### ECOLI A copy of the E.coli sequence. It is used to convert the absolute alignment position into an E.coli-based position and vice versa. (Note: you may use any other sequence instead of ECOLI. The name displayed in ARB_EDIT4 can be modified under Properties/NDS) ### HELIX_NR Helix Numbering ### HELIX and Helix template
## NOTES
### Read ´Helix´