>tr|A9X3C1|A9X3C1_MYTTR NADH-ubiquinone oxidoreductase chain 4L OS=Mytilus trossulus GN=nad4L MVWMKFLGVLLMSMGCFVIFRMNKHLLCLFVGLEMMSLGLLFVTHVFLMNQFWLILLILC LAVCEASICLALLVMVMRLCGDDLMSSLLSDGS