@Test
public void testCreateProtein() throws Exception {

    IBioPolymer protein = ProteinBuilderTool.createProtein("GAGA", SilentChemObjectBuilder.getInstance());
    Assert.assertNotNull(protein);
    Assert.assertEquals(4, protein.getMonomerCount());
    Assert.assertEquals(1, protein.getStrandCount());
    Assert.assertEquals(18 + 1, protein.getAtomCount());
    // 1=terminal oxygen
    Assert.assertEquals(14 + 3 + 1, protein.getBondCount());
    // 3 = extra back bone bonds, 1=bond to terminal oxygen
}