To the point of refining in Phenix, once you have the glycans in place it
should be automatic except for the first link of the tree. Send me the
model and I can provide the necessary files for refinement.

Cheers

Nigel

---
Nigel W. Moriarty
Building 33R0349, Molecular Biophysics and Integrated Bioimaging
Lawrence Berkeley National Laboratory
Berkeley, CA 94720-8235
Email : nwmoria...@lbl.gov
Web  : CCI.LBL.gov
ORCID : orcid.org/0000-0001-8857-9464


On Fri, Jul 14, 2023 at 2:03 AM Keitaro Yamashita <
kyamash...@mrc-lmb.cam.ac.uk> wrote:

> In the monomer library, pyr-SER and pyr-THR links are defined for the
> O-glycosylation. A monomer should belong to the "pyranose" group in
> the library (or in a user-provided dictionary).
>
> Best regards,
> Keitaro
>
> On Fri, 14 Jul 2023 at 09:22, Jon Agirre
> <000017a7df66b7b3-dmarc-requ...@jiscmail.ac.uk> wrote:
> >
> > To the best of my knowledge, there is no o-glycan equivalent of the Coot
> glyco plugin. We (as in YSBL, York) are working with others to provide
> tools to build all kinds of glycans, but there's nothing you can use at
> this point.
> > I would deal with it like I'd do with other modifications, get monomer,
> make the link, repeat. Links are likely to be part of the CCP4 monomer
> library already. Also, they are likely to be short-ish glycans, so
> hopefully the task won't be too onerous.
> > One issue depending on the resolution is the identification of the
> monosaccharides. But you can have a look at some of the many possibilities
> here:
> https://www.cell.com/cell/pdf/S0092-8674(18)30053-9.pdf?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867418300539%3Fshowall%3Dtrue
> > It might help to look at other o-glycosylated structures in the PDB. You
> can now do pretty powerful searches on the PDB. Alternatively, I'm sure
> someone in my team could provide a list of all o-glycans Privateer can
> detect in the PDB.
> > Hope this helps,
> > Jon
> >
> >
> > On Fri, 14 Jul 2023 at 09:03, Jonas Emsley <
> 00008d0668c7d48d-dmarc-requ...@jiscmail.ac.uk> wrote:
> >>
> >> Dear All
> >>
> >>
> >>
> >> We have a crystal structure with O-glycans for the first time attached
> to a Ser and a Thr sidechain
> >>
> >>
> >>
> >> If anyone can recommend the procedure for adding these in coot and
> refining them in phenix /refmac that would be greatly appreciated
> >>
> >>
> >>
> >> All the best
> >>
> >>
> >>
> >> jonas
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> ##################################
> >> Dr Jonas Emsley
> >> Professor of Macromolecular Crystallography,
> >> Nottingham Biodiscovery Institute
> >> School of Pharmacy,
> >> University of Nottingham,
> >> University Park,
> >> Nottingham.
> >> NG72RD
> >> Tel: +44 1158467092
> >> Fax: +44 1158468002
> >> email:jonas.ems...@nottingham.ac.uk
> >>
> http://www.nottingham.ac.uk/research/groups/structural-biology/index.aspx
> >>
> >> https://orcid.org/0000-0002-8949-8030
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> This message and any attachment are intended solely for the addressee
> >> and may contain confidential information. If you have received this
> >> message in error, please contact the sender and delete the email and
> >> attachment.
> >>
> >> Any views or opinions expressed by the author of this email do not
> >> necessarily reflect the views of the University of Nottingham. Email
> >> communications with the University of Nottingham may be monitored
> >> where permitted by law.
> >>
> >>
> >>
> >>
> >> ________________________________
> >>
> >> To unsubscribe from the CCP4BB list, click the following link:
> >> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
> >
> >
> >
> > --
> > Dr Jon Agirre
> > Royal Society University Research Fellow (assistant professor)
> > CCP4 WG2 co-chair | instruct-ERIC representative @ 3D-Bioinfo SC (Elixir)
> > York Structural Biology Laboratory, Department of Chemistry
> > University of York, Heslington, YO10 5DD, York, UK
> >
> > ________________________________
> >
> > To unsubscribe from the CCP4BB list, click the following link:
> > https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
> >
> >
>
> ########################################################################
>
> To unsubscribe from the CCP4BB list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1
>
> This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a
> mailing list hosted by www.jiscmail.ac.uk, terms & conditions are
> available at https://www.jiscmail.ac.uk/policyandsecurity/
>

########################################################################

To unsubscribe from the CCP4BB list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1

This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list 
hosted by www.jiscmail.ac.uk, terms & conditions are available at 
https://www.jiscmail.ac.uk/policyandsecurity/

Reply via email to