HEADER    LYASE                                   
COMPND    MOL_ID: 1;                                                  
COMPND   2 MOLECULE: CARBONIC ANHYDRASE;                              
COMPND   3 CHAIN: A, B;                                               
COMPND   4 EC: 4.2.1.1;                                               
COMPND   5 ENGINEERED: YES                                            
SOURCE    MOL_ID: 1;                                                  
SOURCE   2 ORGANISM_SCIENTIFIC: PORPHYRIDIUM PURPUREUM;               
SOURCE   3 ORGANISM_COMMON: RED ALGA;                                 
SOURCE   4 VARIANT: R-1;                                              
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                       
SOURCE   6 EXPRESSION_SYSTEM_COMMON: BACTERIA;                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                    
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET16B                          
REVDAT   2   06-DEC-00 1DDZ    1       DBREF  CRYST1 SOURCE           
RESOLUTION  SOURCE               : SPRING-8                   
AUTHOR    S.MITSUHASHI,T.MIZUSHIMA,E.YAMASHITA,S.MIYACHI,T.TSUKIHARA  
RESOLUTION     : BRUNGER                                      
EXPDTA    X-RAY DIFFRACTION                                           
JRNL        AUTH   S.MITSUHASHI,T.MIZUSHIMA,E.YAMASHITA,S.MIYACHI,    
JRNL        AUTH 2 T.TSUKIHARA                                        
JRNL        TITL   X-RAY STRUCTURE OF BETA-CARBONIC ANHYDRASE FROM    
JRNL        TITL 2 THE RED ALGA, PORPHYRIDIUM PURPUREUM, REVEALS A    
JRNL        TITL 3 NOVEL CATALYTIC SITE FOR CO2 HYDRATION             
JRNL        REF    J.BIOL.CHEM.                  V. 275  5521 2000    
JRNL        REFN   ASTM JBCHA3  US ISSN 0021-9258                     
RESOLUTION   2.2 ANGSTROMS.                                   



 Sequence in PIR format: 
>P1;1ddzA
 structureX:1ddzA:  84 :A: 564 :A:carbonic anhydrase:porphyridium purpureum: 9.99: 9.99
 VMSDLEKKFIELEAKLVAQPAGQAMPGKSNIFANNEAWRQEMLKQDPEFFNRLANGQSPEYLWIGCADSRVPANQ
 LLDLPAGEVFVHRNIANQCIHSDISFLSVLQYAVQYLKVKHILVCGHYGCGGAKAALGDSRLGLIDNWLRHIRDV
 RRMNAKYLDKCKDGDEELNRLIELNVLEQVHNVCATSIVQDAWDAGQELTVQGVVYGVGDGKLRDLGVVVNSSDD
 ISKFYRTKSDSGALKAGNPNAPLVQVTKGGESELDSTMEKLTAELVQQTPGKLKEGANRVFVNNENWRQKMLKQD
 PQFFSNLAHTQTPEILWIGCADSRVPANQIINLPAGEVFVHRNIANQCIHSDMSFLSVLQYAVQYLKVKRVVVCG
 HYACGGCAAALGDSRLGLIDNWLRHIRDVRRHNQAELSRITDPKDSLNRLIEINVLEQMHNVCATSIVQDAWDAG
 QELEVQGVVYGVGDGKLRDMGVVAKANDDIG*




 View SSTRUC file for 1ddzA 
 Rasmol View of  1ddzA