From 914e4d35d303b1d853039b75b26f8b6e10e3320b Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Mon, 21 May 2018 14:55:02 -0700
Subject: [PATCH] fix missing underscore

---
 src/mol-model/structure/structure/util/lookup3d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mol-model/structure/structure/util/lookup3d.ts b/src/mol-model/structure/structure/util/lookup3d.ts
index beb7c150a..2ea308e3e 100644
--- a/src/mol-model/structure/structure/util/lookup3d.ts
+++ b/src/mol-model/structure/structure/util/lookup3d.ts
@@ -84,7 +84,7 @@ export class StructureLookup3D implements Lookup3D<Element> {
     _boundary: { box: Box3D; sphere: Sphere3D; } | undefined = void 0;
 
     get boundary() {
-        if (this.boundary) return this._boundary!;
+        if (this._boundary) return this._boundary!;
         this._boundary = computeStructureBoundary(this.structure);
         return this._boundary!;
     }
-- 
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