HEADER    PHOTOSYNTHESIS                          31-DEC-69   5NB4
TITLE     Atomic resolution structure of C-phycoerythrin from marine
TITLE   2 cyanobacterium Phormidium sp. A09DM at pH 7.5
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Phycoerythrin Alpha subunit,Phycoerythrin Alpha
COMPND   3 subunit,Phycoerythrin Alpha subunit,Phycoerythrin Alpha
COMPND   4 subunit,Phycoerythrin Alpha subunit;
COMPND   5 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L;
COMPND   6 There are two PEB chromophore molecules in the alpha-subunit
COMPND   7 OTHER_DETAILS: covalently bound to residues Cys82 (PEB166) and Cys139 (PEB167).;
COMPND   8 MOL_ID: 2;
COMPND   9 Phycoerythrin Beta subunit,Phycoerythrin Beta subunit;
COMPND   10 CHAIN: M, N, O, P, Q, R, S, T, U, V, W, X;
COMPND   11 There are three PEB chromophore molecules in the beta-subunit which
COMPND   12 OTHER_DETAILS: are bound covalently to residues Cys80 (PEB186), Cys165 (PEB187) and
COMPND   13 Cys48/Cys59 (PEB188).;
COMPND   14 MOL_ID: 2;
COMPND   15 Phycoerythrin Beta subunit,Phycoerythrin Beta subunit;
COMPND   16 CHAIN: M, N, O, P, Q, R, S, T, U, V, W, X;
COMPND   17 There are three PEB chromophore molecules in the beta-subunit which
COMPND   18 OTHER_DETAILS: are bound covalently to residues Cys80 (PEB186), Cys165 (PEB187) and
COMPND   19 Cys48/Cys59 (PEB188).;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    1.14 ANGSTORMS
DBREF  5NB4 C    1   160  UNP    A0A0E3W0 A0A0E3W010_      1    160
DBREF  5NB4 C  161   164  PDB    5NB4     5NB4           161    164
DBREF  5NB4 O    1     7  PDB    5NB4     5NB4             1      7
DBREF  5NB4 O    8   184  UNP    A0A0E4G4 A0A0E4G455_      1    177
DBREF  5NB4 R    1     7  PDB    5NB4     5NB4             1      7
DBREF  5NB4 R    8   184  UNP    A0A0E4G4 A0A0E4G455_      1    177
SEQRES   1 C  164  MET LYS SER VAL VAL THR THR VAL ILE ALA ALA ALA ASP
SEQRES   2 C  164  ALA ALA GLY ARG PHE PRO SER SER SER ASP LEU GLU SER
SEQRES   3 C  164  VAL GLN GLY SER ILE GLN ARG SER ALA ALA ARG LEU GLU
SEQRES   4 C  164  ALA ALA GLU LYS LEU ALA GLY ASN ILE ASP ALA VAL ALA
SEQRES   5 C  164  GLN GLU ALA TYR ASN ALA CYS ILE GLN LYS TYR PRO TYR
SEQRES   6 C  164  LEU ASN ASN SER GLY GLU ALA ASN SER THR ASP THR PHE
SEQRES   7 C  164  LYS ALA LYS CYS LEU ARG ASP VAL LYS HIS TYR MET ARG
SEQRES   8 C  164  LEU ILE GLN TYR SER LEU VAL VAL GLY GLY THR GLY PRO
SEQRES   9 C  164  LEU ASP GLU TRP GLY ILE ALA GLY GLN ARG GLU VAL TYR
SEQRES  10 C  164  ARG ALA LEU GLY LEU PRO THR ALA PRO TYR VAL GLU ALA
SEQRES  11 C  164  LEU SER PHE ALA ARG ASN ARG GLY CYS ALA PRO ARG ASP
SEQRES  12 C  164  MET SER ALA GLN ALA LEU THR GLU TYR ASN ALA LEU LEU
SEQRES  13 C  164  ASP TYR ALA ILE ASN SER LEU SER