HEADER OXIDOREDUCTASE 31-DEC-69 7QSD TITLE Bovine complex I in the active state at 3.1 A COMPND MOL_ID: 1; COMPND 2 MOLECULE: NADH-ubiquinone oxidoreductase chain 3; COMPND 3 CHAIN: A; COMPND 4 EC: 7.1.1.2; COMPND 5 MOL_ID: 9; COMPND 6 NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, COMPND 7 mitochondrial; COMPND 8 CHAIN: I; COMPND 9 EC: 7.1.1.2; COMPND 10 MOL_ID: 27; COMPND 11 NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit COMPND 12 CHAIN: b; EXPDTA ELECTRON MICROSCOPY DBREF 7QSD A 1 115 UNP Q7JAS9 Q7JAS9_BOVI 1 115 DBREF 7QSD I -35 176 UNP P42028 NDUS8_BOVIN 1 212 DBREF 7QSD b 0 83 UNP Q02371 NDUA3_BOVIN 1 84 MODRES 7QSD FME 1 MET modified residue SEQRES 1 b 83 ALA GLU ARG VAL ALA ALA PHE LEU LYS ASN VAL TRP ALA SEQRES 2 b 83 LYS GLU PRO VAL LEU VAL ALA SER PHE ALA ILE ALA GLY SEQRES 3 b 83 LEU ALA VAL ILE LEU PRO THR LEU SER PRO TYR THR LYS SEQRES 4 b 83 TYR SER LEU MET ILE ASN ARG ALA THR PRO TYR ASN TYR SEQRES 5 b 83 PRO VAL PRO LEU ARG ASP ASP GLY ASN MET PRO ASP VAL SEQRES 6 b 83 PRO SER HIS PRO GLN ASP PRO GLN GLY PRO SER LEU GLU SEQRES 7 b 83 TRP LEU LYS ARG LEU