Hi

I'd just integrate them individually with Mosflm, then merge the two MTZ files into one with Pointless(*), then scale with Aimless.

(*)
        pointless hklin first.mtz second.mtz hklout pointless.mtz
        aimless hklin pointless.mtz hklout aimless.mtz

should do the trick - pointless even works with a wild card if you have many mtz files to merge (not sure how many "many" can be, but it's certainly a lot more than 10), e.g.

        pointless hklin part_*.mtz hklout pointless.mtz

Dead easy with normal CCP4 programs, RTM for pointless for further details.

You can even do this in ccp4i *really easily*!

On 28 Mar 2013, at Thu28 Mar 10:08, S. Thiyagarajan wrote:

Dear all
I have two data sets, 75 frames each from crystals of the same protein - same cell parameters/space group (P4). I could process them seperately each yielding > 90% completeness but with poor multiplicity ( < 2 )

If I merge the data sets using CAD, I loose the data reduction statistics of the combined data set.

I do not have HKL2000.

Which (free) tool can handle two different diffraction data sets, process them together to give a single final data statistics.

Thanks and regards
Thiyaga



S. Thiyagarajan
Centre of Excellence in Bioinformatics
School of Biotechnology
Madurai Kamaraj University
Madurai - 625021
Ph: +91-9159224881 (cell)

Harry
--
** note change of address **
Dr Harry Powell, MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge, CB2 0QH Chairman of European Crystallographic Association SIG9 (Crystallographic Computing)




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