Categories
link

An insight about representing sub sequence of numbers…

An insight about representing sub-sequence of numbers or range.

http://www.cs.utexas.edu/~EWD/ewd08xx/EWD831.PDF
Subsequence_of_numbers (PDF, local copy)

Categories
status

More discussions about the coordinate systems http biostar…

More discussions about the coordinate systems

http://biostar.stackexchange.com/questions/6394/what-are-the-advantages-disadvantages-of-one-based-vs-zero-based-genome-coordina
http://bergmanlab.smith.man.ac.uk/?p=36

Categories
status

0 based half open coordinate system or interbase…

0-based, half-open coordinate system or interbase coordinate system

| A | C | G | T | A | C | G | T |
0 | 1 | 2 | 3 |  4 | 5 |  6 | 7  | 8

So if you wanted to describe the first base, it would be:

chr 0 1

and GTAC:

chr 2 6

http://biostar.stackexchange.com/questions/7064/bed-coordinates

Update:
Interbase coordinates (top) and base-oriented (below) from Chado Wiki