RE: [ccp4bb]: Re: large Beta angle

[bds <bds@uic.edu>]

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You can convert the C2 cell to an I2 cell and get a beta angle less than 120 
degrees.  I2 is the same space group as C2 (or A2), but just a different 
setting.  This is analogous to small molecule structures done in P2(1)/n 
instead of P2(1)/c.



>===== Original Message From Jeff Taylor <jstaylor@duke.edu> =====
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>>
>> Dear All,
>>
>> Denzo suggested a C2 cell with
>> a = 143 b = 63 c = 94 beta = 130.
>>
>> Did anybody else observe such a large beta angle before in a protein 
crystal
>> with a monoclinic cell?
>>
>> Klaus
>
>
>Unfortunately, I have one.  My protein crystallizes in C2 with  a=275.8,
>b=270.2, c=188.8, beta= 131.9.
>
>Good luck with yours!
>
>- JT
>
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>Dr. Jeffrey S. Taylor       Duke University Medical Center
>Department of Biochemistry  Box 3711, Nanaline Duke Bld
>Phone (919) 681-5266        Durham, NC 27710

Bernard D. Santarsiero	
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Center for Pharmaceutical Biotechnology
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