Title     high resolution crystal structure of beta-porphyranase a from         
Title    2 zobellia galactanivorans                                             
Compnd    mol_id: 1;                                                            
Compnd   2 molecule: beta-porphyranase a;                                       
Compnd   3 chain: a;                                                            
Compnd   4 fragment: catalytic domain, residues 18-277;                         
Compnd   5 synonym: beta-porphyranase a\, family gh16;                          
Compnd   6 ec: 3.2.1.178;                                                       
Compnd   7 engineered: yes                                                      
Expdta    x-ray diffraction                                                     
Remark   2                                                                      
Remark   2 resolution.    1.10 angstroms.                                       
Hetnam      ca calcium ion                                                      
Hetnam     so4 sulfate ion                                                      
Hetnam      cl chloride ion                                                     
Formul   2   ca    ca 2+                                                        
Formul   3  so4    o4 s 2-                                                      
Formul   4   cl    cl 1-                                                        
Formul   5  hoh   *450(h2 o) 

#Information was got by this command
#egrep '^SOURCE*ORGANISM_SCIENTIFIC|HETNAM|FORMUL|EXPDTA|TITLE|COMPND|REMARK   2' 4Aa.pdb | tr [A-Z] [a-z] > Penzar.txt