Python Programming for Biology: Bioinformatics and Beyond

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180° equals π radians.

14

 This  may  occur  while  selecting  amide  hydrogens  in  amino  acids,  given  that  proline

residues have none.

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More formally a matrix of eigenvectors of rMat multiplied by its transpose; an array of

single numbers, each of which is the square root of the corresponding eigenvalues; another

matrix of eigenvectors for the transpose of rMat multiplied by rMat. If you want to know

more  details  about  what  is  going  on,  see  the  following  reference:  Kabsch,  W.  (1978).  A

discussion  of  the  solution  for  the  best  rotation  to  relate  two  sets  of  vectors.  Acta

Crystallographica 34A: 827–828.