Read Protein Sequences in PDB Format
The name of the file which the sequences in PDB format are
to be read from. If it does not contain an absolute or
relative path, the file name is relative to the current
This function reads protein sequences in PDB (Protein Data Bank) format, and return the amino acid sequences represented by single-letter code.
A character vector, representing the amino acid sequence of the single-letter code.
Nan Xiao <http://nanx.me>
Protein Data Bank Contents Guide: Atomic Coordinate Entry Format Description, Version 3.30. Accessed 2013-06-26. ftp://ftp.wwpdb.org/pub/pdb/doc/format_descriptions/Format_v33_Letter.pdf
readFASTA for reading protein sequences
in FASTA format.