ouse_20_1.png" src="../../../_images/tutorials_notebooks_basic_usage_basic_use_human_to_mouse_20_1.png" />
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<section id="Step-2:-Initialization">
<h2>Step 2: Initialization<a class="headerlink" href="#Step-2:-Initialization" title="Permalink to this heading"></a></h2>
<p>Before starting the mapping, you need to initialize TransBrain by creating an instance of the <code class="docutils literal notranslate"><span class="pre">SpeciesTrans</span></code> class.</p>
<p>You ne