HEADER    TRANSFERASE                             
COMPND    MOL_ID: 1;                                                  
COMPND   2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE;                 
COMPND   3 CHAIN: A, B, C, D, E, F;                                   
COMPND   4 EC: 2.4.2.1                                                
SOURCE    MOL_ID: 1;                                                  
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                     
SOURCE   3 ORGANISM_COMMON: BACTERIA                                  
RESOLUTION  SOURCE               : EMBL/DESY, HAMBURG         
AUTHOR    G.KOELLNER,A.BZOWSKA,B.WIELGUS-KUTROWSKA,M.LUIC,T.STEINER,  
AUTHOR   2 W.SAENGER,J.STEPINSKI                                      
REVDAT   2   23-JAN-02 1K9S    1       JRNL   AUTHOR                  
RESOLUTION     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-      
EXPDTA    X-RAY DIFFRACTION                                           
REVDAT   2   23-JAN-02 1K9S    1       JRNL   AUTHOR                  
JRNL        AUTH   G.KOELLNER,A.BZOWSKA,B.WIELGUS-KUTROWSKA,M.LUIC,   
JRNL        AUTH 2 T.STEINER,W.SAENGER,J.STEPINSKI                    
JRNL        TITL   OPEN AND CLOSED CONFORMATION OF THE E. COLI PURINE 
JRNL        TITL 2 NUCLEOSIDE PHOSPHORYLASE ACTIVE CENTER AND         
JRNL        TITL 3 IMPLICATIONS FOR THE CATALYTIC MECHANISM.          
JRNL        REF    J.MOL.BIOL.                   V. 315   351 2002    
JRNL        REFN   ASTM JMOBAK  UK ISSN 0022-2836                     
RESOLUTION   2.00 ANGSTROMS.                                  



 Sequence in PIR format: 
>P1;1k9sA
 structureX:1k9sA:   1 :A: 237 :A:purine nucleoside phosphorylase:escherichia coli: 9.99: 9.99
 ATPHINAEMGDFADVVLMPGDPLRAKYIAETFLEDAREVNNVRGMLGFTGTYKGRKISVMGHGMGIPSCSIYTKE
 LITDFGVKKIIRVGSCGAVLPHVKLRDVVIGMGACTDSKVNRIRFKDHDFAAIADFDMVRNAVDAAKALGIDARV
 GNLFSADLFYSPDGEMFDVMEKYGILGVEMEAAGIYGVAAEFGAKALTICTVSDHIRTHEQTTAAERQTTFNDMI
 KIALESVLLGDK*




 View SSTRUC file for 1k9sA 
 Rasmol View of  1k9sA