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Re: [ccp4bb]: Default B-factor
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> Dear all
>
> Does CCP4 (Refmac) reset the value of B-factor to a minimum positive value
> if the value goes negative. What is default value of B-factor in refmac?
>
> From
> deepthi
Yes, by default B factors are limited to the range [2,1000], see
the BLIMIT keyword. The same for refmac5, though I believe the
default is now [2,500]. I think the program has problems with small/negative
B factors.
Do you know why you have negative B's? Is the scaling OK?
Martyn
--
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* Dr. Martyn Winn *
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* Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, ENGLAND *
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