NDUFA4 GI:4505357 NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4, 9kDa 1 mlrqiigqak khpsliplfv figtgatgat lyllrlalfn pdvcwdrnnp 50 51 epwnklgpnd qykfysvnvd ysklkkerpd f