>sp|Q8SJG7|NU4LM_URSMA NADH-ubiquinone oxidoreductase chain 4L OS=Ursus maritimus GN=MT-ND4L MPVVYVNIFLAFIVSLVGLLIYRSHLMSSLLCLEGMMLSLFVMLTVTVLNNHFTLANMAP IILLVFAACEAALGLSLLVMVSNTYGTDYVQNLNLLQC