Bio-Tools
Useful links to servers on the net
that provide bioinformatics services
and links to free bioinformatics software.
Useful links to servers on the net
that provide bioinformatics services
and links to free bioinformatics software.
Google search
of the CMBN web pages.
of the CMBN web pages.
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Sweet home.
Sweet home.
The genetic code
Table 1. Summary of single-letter code recommendations(Copy taken from here.)
| Symbol | Meaning | Origin of designation |
|---|---|---|
| G | G | Guanine |
| A | A | Adenine |
| T | T | Thymine |
| C | C | Cytosine |
| R | G or A | puRine |
| Y | T or C | pYrimidine |
| M | A or C | aMino |
| K | G or T | Keto |
| S | G or C | Strong interaction (3 H bonds) |
| W | A or T | Weak interaction (2 H bonds) |
| H | A or C or T | not-G, H follows G in the alphabet |
| B | G or T or C | not-A, B follows A |
| V | G or C or A | not-T (not-U), V follows U |
| D | G or A or T | not-C, D follows C |
| N | G or A or T or C | aNy |
Der Genetische Kode
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zweite Position
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Erste
Position (5´ Ende) |
U | C | A | G |
Position (3´ Ende) |
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| U |
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U
C A G |
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| C |
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U
C A G |
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| A |
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U
C A G |
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| G |
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U
C A G |
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| Terminations Signale | ||
| UAA (Ochre) | ||
| UAG (Amber) | ||
| UGA (Opal) |