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: 1;
COMPND   9 Phycoerythrin Alpha subunit,Phycoerythrin Alpha
COMPND   10 subunit,Phycoerythrin Alpha subunit,Phycoerythrin Alpha
COMPND   11 subunit,Phycoerythrin Alpha subunit;
COMPND   12 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L;
COMPND   13 There are two PEB chromophore molecules in the alpha-subunit
COMPND   14 OTHER_DETAILS: covalently bound to residues Cys82 (PEB166) and Cys139 (PEB167).;
COMPND   15 MOL_ID: 2;
COMPND   16 Phycoerythrin Beta subunit,Phycoerythrin Beta subunit;
COMPND   17 CHAIN: M, N, O, P, Q, R, S, T, U, V, W, X;
COMPND   18 There are three PEB chromophore molecules in the beta-subunit which
COMPND   19 OTHER_DETAILS: are bound covalently to residues Cys80 (PEB186), Cys165 (PEB187) and
COMPND   20 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 E    1   160  UNP    A0A0E3W0 A0A0E3W010_      1    160
DBREF  5NB4 E  161   164  PDB    5NB4     5NB4           161    164
DBREF  5NB4 R    1     7  PDB    5NB4     5NB4             1      7
DBREF  5NB4 R    8   184  UNP    A0A0E4G4 A0A0E4G455_      1    177
MODRES 5NB4 MEN R   70  ASN  modified residue
SEQRES   1 R  184  MET LEU ASP ALA PHE SER ARG ALA VAL VAL GLN ALA ASP
SEQRES   2 R  184  ALA SER THR SER VAL VAL ALA ASP MET GLY ALA LEU LYS
SEQRES   3 R  184  GLN PHE ILE ALA GLU GLY ASN ARG ARG LEU ASP ALA VAL
SEQRES   4 R  184  ASN ALA ILE ALA SER ASN ALA SER CYS MET VAL SER ASP
SEQRES   5 R  184  ALA VAL ALA GLY MET ILE CYS GLU ASN GLN GLY LEU ILE
SEQRES   6 R  184  GLN ALA GLY GLY ASN CYS TYR PRO ASN ARG ARG MET ALA
SEQRES   7 R  184  ALA CYS LEU ARG ASP ALA GLU ILE ILE LEU ARG TYR VAL
SEQRES   8 R  184  THR TYR ALA LEU LEU ALA GLY ASP ALA SER VAL LEU ASP
SEQRES   9 R  184  ASP ARG CYS LEU ASN GLY LEU LYS GLU THR TYR ALA ALA
SEQRES  10 R  184  LEU GLY VAL PRO THR THR SER THR VAL ARG ALA VAL GLN
SEQRES  11 R  184  ILE MET LYS ALA GLN ALA ALA ALA HIS ILE LYS ASP THR
SEQRES  12 R  184  PRO SER GLU ALA ARG ALA GLY GLY LYS LEU ARG LYS MET
SEQRES  13 R  184  GLY SER PRO VAL VAL GLU ASP ARG CYS ALA SER LEU VAL
SEQRES  14 R  184  ALA GLU ALA SER SER TYR PHE ASP ARG VAL ILE SER ALA
SEQRES  15 R  184  LEU SER