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-rw-r--r--pepseq/amino_acid.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/pepseq/amino_acid.py b/pepseq/amino_acid.py
index ee78540..dceaba7 100644
--- a/pepseq/amino_acid.py
+++ b/pepseq/amino_acid.py
@@ -27,6 +27,7 @@ class AminoAcid(object):
'K': ('Lysine', 'Lys', 128.10),
'R': ('Arginine', 'Arg', 156.10),
'B': ('Borono Lysine', 'Bpl', 394.10),
+ 'Z': ('Borono Phenylalanine', 'Bpa', 309.10),
}
def __init__(self, letter):