Why do you expect PISA to agree with 
author assigned biological units?

Read the paper and see if there's a reason
the authors made the assignment.

If you really don't understand why things
might be different, read the intro to the
ProtCID paper.

-David

On Mar 3, 2011, at 6:37 AM, kanika sharma <ksharma997@gmail.com> wrote:

protein 1b8e says its a dimer by its pdb file info as:

BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       33.43000   

when i feed the same into pisa..it says no assemblies are possible...
i can't make out...can ny1 help..????

Regards,
Kanika
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