EC
From Proteinfunction
The EC number defines function of protein according to its catalytic reaction. Each EC number consists of 4 digits ( e.g. 1.4.5.12), each represent different level functional categories. Top level( first digit) number is 1 to 6 and they represent Oxidoreductases, Transferases, Hydrolase, Lyases, Isomerases, Ligases. Remaining sub-digits represents sub-functional category from the top level catalytic types.
This database contains the known enzyme structures that have been deposited in the Protein Data Bank (PDB). There are currently 20,695 PDB-enzyme entries in the PDB (as at 10 February, 2007) involving 18,525 separate PDB files - some files having more than one E.C. number associated with them
- Examples
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