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RE: [ccp4bb]: Re: large Beta angle
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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 <email@example.com> =====
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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
>> with a monoclinic cell?
>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!
>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
Senior X-Ray Research Specialist
Center for Pharmaceutical Biotechnology
Department of Medicinal Chemistry and Pharmacognosy
University of Illinois at Chicago
3070 MBRB MC 870
900 South Ashland Avenue
Chicago, IL 60607
Telephone: (312) 413-9304 lab
(312) 996-5388 office
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