HEADER    PROTON TRANSPORT                        31-DEC-69   6REF
TITLE     Cryo-EM structure of Polytomella F-ATP synthase, Rotary substate 3B,
TITLE   2 monomer-masked refinement
COMPND    MOL_ID: 18;
COMPND   2 MOLECULE: ATP synthase subunit beta;
COMPND   3 CHAIN: X, Y, Z;
COMPND   4 EC: 7.1.2.2;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6REF Z    1   574  UNP    A0ZW41   A0ZW41_9CHL      1    574
SEQRES   1 Z   76  PRO ALA ILE ASP ALA GLY TYR VAL SER GLN VAL ILE GLY
SEQRES   2 Z   76  PRO VAL VAL ASP VAL ARG PHE ASP GLY GLU LEU PRO SER
SEQRES   3 Z   76  ILE LEU SER SER LEU GLU VAL GLU GLY HIS SER VAL ARG
SEQRES   4 Z   76  LEU VAL LEU GLU VAL ALA GLN HIS MET GLY ASP ASN THR
SEQRES   5 Z   76  VAL ARG CYS ILE ALA MET ASP SER THR ASP GLY LEU VAL
SEQRES   6 Z   76  ARG GLY GLN LYS VAL VAL ASP THR GLY SER PRO