This page allows users to extract PDB chain IDs containing beta turn types. Input of this modules is number of betaturn types present in protein chain.

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Beta Turn Type	Range of Beta turn present in PDB
	From	To
Turn Type I
Turn Type I'
Turn Type II
Turn Type II'
Turn Type IV
Turn Type VIa1
Turn Type VIa2
Turn Type VIb
Turn Type VIII

 
                                                          

NOTE:

if you have enter range for more than one type of beta turn. The result file contains PDB chain ID which are common. For example: if you have enter range for type I as 0 To 4 and for type IV 0 To 4. PDB chain 10gsA as 4 type I turn and 2 type IV turn. PDB chain ID 109mA has 3 type I turn and None type IV turn. In the result file we will get only 10gsA ID. As 10gsA statisfy both the above said condition, whereas 109mA satisfy only one condition (first condition), so its removed from the result. The more the number of type turn you select the lesser the number of PDB chain IDs you will get.