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Non-Negative Matrix Factorization for Learning Alignment-Specific Models of Protein Evolution

Figure 5

NNMF basis matrices.

The set of NNMF basis matrices obtained for ranks ranging from 1 to 5. Amino acids are ordered according to their Stanfel classification [25]. Rates are indicated in grayscale, with pure white being a rate of zero and pure black being the maximum rate in the matrix.

Figure 5

doi: https://doi.org/10.1371/journal.pone.0028898.g005