biopython v1.71.0 Bio.SubsMat.MatrixInfo
Substitution matrices for use in alignments, etc.
The information on this page was originally obtained from Dr. Gerhard Vogt’s page http://www.embl-heidelberg.de/~vogt/matrices/mlist1.html (dead link), and was extracted using a script.
You can view an archive copy of this webpage from 1999 here; https://web.archive.org/web/19991014010917/http://www.embl-heidelberg.de/%7Evogt/matrices/mlist1.html