proteinDB, x*y, 1);
0173 genesForIndex = genesForIndex(~cellfun(@isempty, genesForIndex));
0174 genesForIndex = unique(genesForIndex);
0175 geneIndex = cell(length(genesForIndex),1);
0176 geneHashMap = containers.Map(genesForIndex,1:length(genesForIndex));
0177 protIndices = 1:length(proteinDB(:,1));
0178 <span class="keyword">for</span> i = 1:y
0179     tmp1 = proteinDB(:,i);
0180     sel = ~cellfun(@isempty, tmp1);
0181     indices = cell2mat(values(geneHashMap,tmp1(sel)));
0182     protIndicesSel = protI