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object --+ | dict --+ | FileIndex.FileIndex --+ | SeqMapIndex
An RAF file index.
The RAF file itself is about 50 MB. This index provides rapid, random access of RAF records without having to load the entire file into memory.
The index key is a concatenation of the PDB ID and chain ID. e.g "2drcA", "155c_". RAF uses an underscore to indicate blank chain IDs.
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new empty dictionary |
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Inherited from Inherited from Inherited from |
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Inherited from |
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Arguments: filename -- The file to index iterator_gen -- A function that eats a file handle, and returns a file iterator. The iterator has a method next() that returns the next item to be indexed from the file. key_gen -- A function that generates an index key from the items created by the iterator.
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Get the sequence map for a collection of residues. residues -- A Residues instance, or a string that can be converted into a Residues instance. |
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