[sharp-discuss] no electron density around Se

[Kerr, Iain]

Are you sure you have the correct hand for your Se substructure ?. I can't =
recall if you need to run SHARP twice in each hand. For MAD data SOLVe will=
 "usually" guess the correct hand.

best,
Iain


-----Original Message-----
From:	gte977x@mail.gatech.edu [mailto:gte977x@mail.gatech.edu]
Sent:	Thu 08-Jan-04 17:27
To:	sharp-discuss@globalphasing.com
Cc:=09
Subject:	[sharp-discuss] no electron density around Se

Dear SHARPusers:

I am using SHARP version 3.0.15 to refine 30 Se sites that came out of solv=
e in
space group P212121. MAD data at 3 wavelengths was scaled in scaleit (ccp4)=
 to
2.5 A and was input in SHARP for refining sites. The run converged and gave=
 the
phasing stats but the eden_flattened (including average HA contribution) ma=
p
don't show seleniums in electron density. The map shows lots of connectivit=
es
but not very clear secondary structures. Along with these maps I am also lo=
ading
the heavy atom sites from the "include PDB files" option in output file. Al=
l the
selenium sites were in density after the solve run was completed.=20

I am not sure what to look for in order to correct this porblem.=20
Any suggestions will be greatly appreciated.

Thanks,
Akanksha





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