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What is the tNCS vector?

Eleanor

On 8 August 2018 at 22:06, Kajander, Tommi A <[log in to unmask]>
wrote:

> Dear Eleanor, no tNCS is present here..(2 mols). I think its probably the
> somewhat incomplete low resolution (90% ish) that causes problems
> somewhere... which again follows from bit poir crystal quality in some
> directions - overall data is not great...
>
> Best,
> Tommi
>
>
> Kohteesta: Eleanor Dodson
> Lähetetty: keskiviikko 8. elokuuta klo 17.46
> Aihe: Re: [ccp4bb] screw axes /system. absenses and phaser/MR solutions
> Vastaanottaja: Kajander, Tommi A
> Kopio: [log in to unmask]
>
>
> How many molecules in the asymmetric unit? and is there a
> non-crystallographic translaton?
>
> Eleanor
>
> On 8 August 2018 at 15:29, Kajander, Tommi A <[log in to unmask]>
> wrote:
>
> Hi,
> Any clues why the followting happens: pointless (and just looking at the
> XDS output) clearly tells there is one screw axis in P-ortorhombic (P2212)
> yet phaser gives the best Z-scores in P22121. (...I suspect this may be to
> do with twinning - might be monoclinic twiined still though now processes
> very well in P222.)
>
> If i run the mtz after XDSCONV (ie F2MTZ) via pointless (instead of
> directly after XDS) it also suggests this - but i suppose i am not suppose
> to run merged data via pointless.
>
> Thanks for comments,
>
> Tommi
>
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