HEADER PROTON TRANSPORT 31-DEC-69 6XBY TITLE Cryo-EM structure of V-ATPase from bovine brain, state 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: V-type proton ATPase catalytic subunit A; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 7.1.2.2; EXPDTA ELECTRON MICROSCOPY DBREF 6XBY B 1 617 UNP P31404 VATA_BOVIN 1 617 SEQRES 1 B 70 SER THR PHE GLY TYR VAL HIS GLY VAL SER GLY PRO VAL SEQRES 2 B 70 VAL THR ALA CYS ASP MET ALA GLY ALA ALA MET TYR GLU SEQRES 3 B 70 LEU VAL ARG VAL GLY HIS SER GLU LEU VAL GLY GLU ILE SEQRES 4 B 70 ILE ARG LEU GLU GLY ASP MET ALA THR ILE GLN VAL TYR SEQRES 5 B 70 GLU GLU THR SER GLY VAL SER VAL GLY ASP PRO VAL LEU SEQRES 6 B 70 ARG THR GLY LYS PRO