HEADER    PHOTOSYNTHESIS                          31-DEC-69   7COU
TITLE     Structure of cyanobacterial photosystem II in the dark S1 state
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Photosystem II protein D1;
COMPND   3 CHAIN: A, a;
COMPND   4 EC: 1.10.3.9;
COMPND   5 MOL_ID: 2;
COMPND   6 Photosystem II CP47 reaction center protein;
COMPND   7 CHAIN: B, b;
COMPND   8 MOL_ID: 11;
COMPND   9 Photosystem II reaction center protein L;
COMPND   10 CHAIN: L, l;
COMPND   11 MOL_ID: 12;
COMPND   12 Photosystem II reaction center protein M;
COMPND   13 CHAIN: M, m;
COMPND   14 MOL_ID: 2;
COMPND   15 Photosystem II CP47 reaction center protein;
COMPND   16 CHAIN: B, b;
COMPND   17 MOL_ID: 12;
COMPND   18 Photosystem II reaction center protein M;
COMPND   19 CHAIN: M, m;
COMPND   20 MOL_ID: 14;
COMPND   21 Photosystem II reaction center protein T;
COMPND   22 CHAIN: T, t;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    2.25 ANGSTORMS
DBREF  7COU A    1   344  UNP    P51765   PSBA_THEVL       1    344
DBREF  7COU B    2   506  UNP    D0VWR1   PSBB_THEVL       1    505
DBREF  7COU L    1    37  UNP    P12241   PSBL_THEVL       1     37
DBREF  7COU M    1    36  UNP    P12312   PSBM_THEVL       1     36
DBREF  7COU b    2   506  UNP    D0VWR1   PSBB_THEVL       1    505
DBREF  7COU m    1    36  UNP    P12312   PSBM_THEVL       1     36
DBREF  7COU t    1    32  UNP    P12313   PSBT_THEVL       1     32
MODRES 7COU FME M    1  MET  modified residue
SEQRES   1 M   33  MET GLU VAL ASN GLN LEU GLY LEU ILE ALA THR ALA LEU
SEQRES   2 M   33  PHE VAL LEU VAL PRO SER VAL PHE LEU ILE ILE LEU TYR
SEQRES   3 M   33  VAL GLN THR GLU SER GLN GLN