From e7f355c19fbebadf4441300d6f976c2f8407914b Mon Sep 17 00:00:00 2001
From: "Fried Lab @ Johns Hopkins University"
 <86693065+FriedLabJHU@users.noreply.github.com>
Date: Mon, 2 Jun 2025 08:41:56 -0400
Subject: [PATCH] Update _configs.py

Added pyrrolysine (O) conversion to lysine (K) to the standard conversion dictionary.
---
 protfasta/_configs.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/protfasta/_configs.py b/protfasta/_configs.py
index 2fcd6b3..942b332 100644
--- a/protfasta/_configs.py
+++ b/protfasta/_configs.py
@@ -18,6 +18,7 @@
 """
 
 STANDARD_CONVERSION = {'B':'N',
+                       'O':'K',
                        'U':'C',
                        'X':'G',
                        'Z':'Q',
@@ -26,6 +27,7 @@
                        ' ':''}
 
 STANDARD_CONVERSION_WITH_GAP = {'B':'N',
+                                'O':'K',
                                 'U':'C',
                                 'X':'G',
                                 'Z':'Q',