[ccp4bb] EM postdoc position at AstraZeneca UK

2020-03-27 Thread Debreczeni, Judit
Dear all, I would like to remind you that we are still looking to fill a postdoc position at AstraZeneca (Cambridge UK) in collaboration with Prof Ashok Venkitaraman's group at the MRC Cancer Unit. This is an opportunity for a talented and self-motivated structural biologist to undertake biophysic

[ccp4bb] EM postdoc position at AstraZeneca UK

2020-03-12 Thread Debreczeni, Judit
Dear all, I would like to remind you that we are still looking to fill a postdoc position at AstraZeneca (Cambridge UK) in collaboration with Prof Ashok Venkitaraman's group at the MRC Cancer Unit. This is an opportunity for a talented and self-motivated structural biologist to undertake biophy

[ccp4bb] PSDI 2019 -- final call

2019-10-24 Thread Debreczeni, Judit
Dear all, there are only a few days before registration closes 28th October for this year's Protein Structure Determination in Industry meeting. We have a dazzling lineup of speakers -- please see the full agenda on the website: https://psdi2019.org/programme/ The meeting will be held at the We

[ccp4bb] PSDI 2019 meeting programme now live

2019-10-07 Thread Debreczeni, Judit
Dear all, there are still a couple of weeks to register to this year's Protein Structure Determination in Industry meeting -- registration closes 28th October. We have a dazzling lineup of speakers this year -- please see the list at the end of this message or the full agenda on the website: ht

[ccp4bb] PSDI 2019 -- early bird closing: 22nd July

2019-07-18 Thread Debreczeni, Judit
Dear all, just a gentle reminder that the early bird registration for the 27th Protein Structure Determination in Industry (PSDI) meeting, 3-5 November 2019, will be closing in just a few days' time on the 22nd of July, book now at a budget-friendly rate! Exhibitors or sponsors: please use t

[ccp4bb] PSDI 2019 meeting

2019-06-25 Thread Debreczeni, Judit
discovery), please feel free to get in touch with the organisers: Judit Debreczeni (judit dot debreczeni at astrazeneca dot com) or Chris Phillips (chris dot phillips at astrazeneca dot com). Exhibitors or sponsors: please use the registration pages to book your place - be quick, only a few premium

[ccp4bb] postdoc position at AstraZeneca UK

2019-06-06 Thread Debreczeni, Judit
Dear all, I would like to draw your attention to a postdoc position at AstraZeneca (Cambridge UK) in collaboration with Prof Ashok Venkitaraman's group at the MRC Cancer Unit. This is an opportunity for a talented and self-motivated structural biologist to undertake biophysical and cryoEM studi

[ccp4bb] PSDI 2019 meeting - registration open!

2019-06-05 Thread Debreczeni, Judit
sessions about biophysics, crystallography and cryoEM. If you have an exciting scientific story to share in form of a talk (especially on HDX and degraders), please feel free to get in touch with the organisers: Judit Debreczeni (judit dot debreczeni at astrazeneca dot com) or Chris Phillips

Re: [ccp4bb] adjusting bad Ramachandran angles

2015-02-26 Thread Debreczeni, Judit
To give a short practical rather than a lengthy philosophical answer: - in real space: you can try Ramachandran restraints or secondary structure restraints -- indeed, both can be switched on in Coot in the refinement and regularisation parameters window (R/RC button in the top right corner). Or

Re: [ccp4bb] How to make an unnatural amino acid ligand?

2013-01-09 Thread Debreczeni, Judit
Your solution sounds good. However, another way to skin this cat could be to define the unnatural residue as an amino acid residue and link it up to the other amino acid residues using the standard peptide bond description -- which, I believe, should be picked up automatically if the unconventio

Re: [ccp4bb] Coot keybinding for fixing an atom in place

2012-12-10 Thread Debreczeni, Judit
off the top of my head (i.e. not tested): (add-key-binding "fix atom" "F" (lambda () (mark-atom-as-fixed (car (active-residue)) (cdr (active-residue)) 1))) (add-key-binding "clear fixed atoms" "D" (lambda () (clear-fixed-atoms-all))) From: CCP4 bulletin board [mailto:CCP4BB@

Re: [ccp4bb] rotomer library

2012-09-05 Thread Debreczeni, Judit
Try here for the fashionable Richardson rotamer libraries: http://kinemage.biochem.duke.edu/databases/rotamer.php From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Dean Derbyshire Sent: 05 September 2012 09:58 To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] rotomer library

Re: [ccp4bb] COOT Real Space Refinement keyboard shortcut??

2012-03-27 Thread Debreczeni, Judit
Yes, look here: http://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Coot#Example_11:_Paul_Emsley.27s_Key_Bindings and the key bindings for r, x, t, R. JED. > -- AstraZeneca UK Limited is a company incorporated i

Re: [ccp4bb] Kinase crystallization

2012-01-30 Thread Debreczeni, Judit
Does your kinase autophosphorylate by any chance? -- That can produce differently phosphorylated species and affect crystallisability. You can detect it by e.g. mass spec, and tackle it by dephosphorylating the protein prior to crystallisation or by coexpression with a phosphatase. From: CCP

Re: [ccp4bb] writing scripts-off topic

2012-01-24 Thread Debreczeni, Judit
Another vote for python+cctbx. And a bit of fun: http://xkcd.com/224/ http://xkcd.com/297/ http://xkcd.com/353/ http://comicjk.com/comic.php/217 http://comicjk.com/comic.php/823 http://comicjk.com/comic.php/842 http://comicjk.com/comic.php/849 From: CCP4 bulletin board [mailto

Re: [ccp4bb] Refmac with TLS terminates early when occupancy changed

2011-12-21 Thread Debreczeni, Judit
Hi Krisztian, I have seen refmac fall over in a similar situation (low-ish res, partially floppy model) during TLS refinement. You could try to rescue it by - using fixed TLS parameters from a previous (successful) refinement - setting initial B-values to a fixed value - including the peptide in o

Re: [ccp4bb] density mod., NSC and software..

2011-12-21 Thread Debreczeni, Judit
DM is kind of past tense (unless you are dealing with multicrystal averaging) -- I'd use parrot or shelxe instead (both pretty fast and automated). NCS operators as input do not seem to be in fashion these days, so you might have to put up with heavy atoms or partial MR models... I would not

Re: [ccp4bb] Real space refinement in coot

2011-12-07 Thread Debreczeni, Judit
> -- AstraZeneca UK Limited is a company incorporated in England and Wales with registered number: 03674842 and a registered office at 2 Kingdom Street, London, W2 6BD. Confidentiality Notice: This message is private and may

Re: [ccp4bb] Sketcher problem

2011-10-21 Thread Debreczeni, Judit
IIUC, you would like to keep the distance between the ring plane and the Ru fixed and allow the ring to rotate freely. I would define bond length restraints between each of the ring atoms and Ru (I suspect that these distances will be the same for each atom pair) -- the ring will rotate freel

Re: [ccp4bb] merging parts of models in COOT

2011-10-19 Thread Debreczeni, Judit
You can also try Extensions->Modelling->Replace fragment (usage self-explanatory) > -- AstraZeneca UK Limited is a company incorporated in England and Wales with registered number: 03674842 and a registered office at 2 King

Re: [ccp4bb] JLigand Coot link

2010-06-09 Thread Debreczeni, Judit
Also, if you happen to use refmac for refinement: it rewrites LINK records as LINKRs in the output pdb file -- and LINKR records are unknown to Coot... JED. -- AstraZeneca UK Limited is a company incorporated in England an

Re: [ccp4bb] geometry problems with sugars

2010-04-21 Thread Debreczeni, Judit
I've seen flattening of the C1 atom recently in Coot - in that case the reason was that, as the density wasn't really clear around the sugar, I'd fitted it 180 degrees rotated around the ASN-ND2---C1-NAG bond. In such cases Coot happily flattens the sugar ring such that C1 C2 C3 C5 O5 are in a p

Re: [ccp4bb] Map transformation

2010-02-08 Thread Debreczeni, Judit
I think the space-group and cell are missing: It should be something like: (transform-map imol rotation-matrix trans point radius space-group cell) i.e. in your example, say: (transform-map 13 (list 0.9956 -0.08709 -0.03537 -0.08702 -0.9962 0.003531 -0.03554 -0.0004371 -0.9994) (list 1.235 1.005 0

[ccp4bb] pdb-care & co?

2010-01-25 Thread Debreczeni, Judit
Dear all, I am looking for the sugar-validation tool pdb-care -- the glycosciences.de website seems to be down, sadly. Are pdb-care and the other rather valuable glycosciences tools available somewhere else? I'd prefer to run them locally -- are they available as stand-alone applications?

[ccp4bb] bespoke _chem_link in refmac

2008-11-21 Thread Debreczeni, Judit
Hi, if you feel you are good at _chem_link sections of dictionary files (and know how refmac understands them), please read on. My question in short: what is the Right Way of defining a covalent link between a ligand that is not in the standard refmac library and a standard amino acid residue,

[ccp4bb] Scientific computing position at AstraZeneca UK

2008-10-16 Thread Debreczeni, Judit
Dear all, I would like to draw your attention to a scientific computing position currently open at AstraZeneca. This is a fixed term position in the Computational Chemistry group in Alderley Park to support the high-performance computing environment as part of the system administration team. J

[ccp4bb] mmdb vs. gcc4.3

2008-06-04 Thread Debreczeni, Judit
Dear all [mmdb users and authors], I've upgraded to Fedora 9 and now I'm trying to build coot which also requires mmdb. Now, F9 comes with gcc 4.3 which seems to be incompatible with mmdb (I think I'm using mmdb-1.0.8) as it gives many hundreds of the following (and others): warning: deprecated c

Re: [ccp4bb] covalently bonded Ligand fit

2007-09-05 Thread Debreczeni, Judit
In Coot (0.3.2 and later) you could also try the following: - center on the serine to be phosphorylated - click Extensions->Phosphorylate this residue and Coot will sort out phosphorylation, renumbering etc in no time. JED -Original Message- From: CCP4 bulletin board [mailto:[EMAIL PR

Re: [ccp4bb] A babyish question on coot

2007-05-29 Thread Debreczeni, Judit
Unreasonable geometry can be avoided by setting the refinement weight to a lower value -- either using Extensions->Set Matrix (Refinement Weight) or in your .coot file: (set-matrix ) There's also a coot-bb, btw. JED -Original Message- From: CCP4 bulletin board [mailto:[EMAIL PROTE