From 9550a76c8b987e9521199b941876ba3c6c405d41 Mon Sep 17 00:00:00 2001
From: Charles Tapley Hoyt <cthoyt@gmail.com>
Date: Thu, 1 Apr 2021 12:02:02 +0200
Subject: [PATCH] Update processor.py

---
 indra/sources/drugbank/processor.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/indra/sources/drugbank/processor.py b/indra/sources/drugbank/processor.py
index b0a60f0b50..c3f71f5d07 100644
--- a/indra/sources/drugbank/processor.py
+++ b/indra/sources/drugbank/processor.py
@@ -69,7 +69,9 @@ def _get_statement_type(action):
             return DecreaseAmount
         elif action in increase_amount_actions:
             return IncreaseAmount
-        elif action in neutral_actions or action == 'N/A':
+        elif action == 'N/A':
+            return Inhibition
+        elif action in neutral_actions:
             return _complex
         elif action in skip_actions:
             return None
@@ -176,7 +178,9 @@ def _complex(a, b, evidence):
                       'inactivator', 'binding', 'blocker', 'negative modulator',
                       'neutralizer', 'weak inhibitor',
                       'suppressor', 'disruptor', 'chelator',
-                      'inhibitory allosteric modulator', 'translocation inhibitor'}
+                      'inhibitory allosteric modulator', 'translocation inhibitor',
+                      'nucleotide exchange blocker',
+                      }
 
 decrease_amount_actions = {
     'downregulator',
@@ -208,6 +212,9 @@ def _complex(a, b, evidence):
     'reducer',
     'oxidizer',
     'acetylation',  # map to Ac INDRA statement?, but I'm not convinced by the idea of splitting up actions
+    'allosteric modulator',
+    'deoxidizer',
+    'cross-linking/alkylation', # e.g. Busulfan (DB01008) alkalytes DNA
 }
 
 skip_actions = {