Re: [ccp4bb] Measuring angles between domains

2021-11-13 Thread Eleanor Dodson
Well I do this by overlapping one domain of protein A onto protein B - you
can do that in coot - then overlap the second domain of the shifted A onto
the second domain of B. The coot log file tells you omega phi kappa applied
and kappa is your angle of interest... is that clear enough - I could give
more detail..
The worst problem is finding the coot log file but if you are using I2 it
is available in the job directory..
Eleanor
On Fri, 12 Nov 2021 at 19:37, Ishan Rathore 
wrote:

> Hi Kyle
>
> I have used this pymol plugin to measure the angle between domains
>
> https://pymolwiki.org/index.php/Angle_between_domains
>
> Regards
> Ishan
>
>
> On Sat, Nov 13, 2021, 12:35 AM Kyle Gregory <
> 3632e92fcc15-dmarc-requ...@jiscmail.ac.uk> wrote:
>
>> Dear CCP4 bulletin board,
>>
>> I have two domains connected by a helix and I want to measure tilt angles
>> between domains, for comparison purposes to other structures of the same
>> protein.
>>
>> Does anyone have any tools they'd recommend?
>>
>> Kind regards,
>> Kyle
>>
>>
>>
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Re: [ccp4bb] High-order oligomers vs robust crystals - references?

2021-11-13 Thread orly avraham
Hi,

I  think this paper might be useful for digging into oligomerization and
crystallization:

https://onlinelibrary.wiley.com/doi/pdf/10.1002/anie.201806092

I'm not sure they discuss prokaryotes but do have many interesting ideas.

Best,
Orly

On Fri, Nov 12, 2021 at 7:20 PM Edwin Pozharski 
wrote:

> One could use PISA to get a rough distribution of oligomerization states
> of proteins in the PDB and compare bacterial vs mammalian... there always
> will be a question though of whether any bias is inherent in proteins or
> driven by crystallizability itself.
>
> Personally, I always though that bacterial proteins crystallize better
> because they express better and are more stable.  All of this is hand
> waiving on my part, of course.
>
> ---
> I don't know why the sacrifice didn't work. The science seemed so solid.
> Julien XIII, Lord of the Lemurs
>
> On Fri, Nov 12, 2021 at 9:52 AM Frank von Delft <
> frank.vonde...@cmd.ox.ac.uk> wrote:
>
>> Hello all
>>
>> Two decades ago, I remember (!) much talk about a reason that bacterial
>> proteins crystallize "more easily" is that they tend to come as
>> oligomers (dimers and up), and that this internal symmetry made them
>> happier to crystallize.
>>
>> Did anybody ever publish hard evidence?  Or even, is there a primary
>> citation for the idea?
>>
>> Thanks
>> Frank
>>
>> 
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-- 

Orly Avraham, Ph.D.
Postdoctoral fellow
The lab of Prof. Ora Schueler-Furman
The Hebrew University of Jerusalem
Israel



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[ccp4bb] Open position: Structural Bioinformatics Pipeline Developer at Lonza (Cambridge UK)

2021-11-13 Thread Daphne Truan
Hi All,

We are hiring again! Know someone that wants to join a fast growing team?

We are seeking a highly motivated and skilled developer with experience in 
implementing structural bioinformatics tools/pipelines to join Lonza's Early 
Development Services (EDS) Bioinformatics team based in Cambridge, UK.

To apply:
https://www.lonza.com/jobs/R38474

Daphne

Daphné Truan, PhD 
Senior Group Leader
EDS Bioinformatics

Lonza Biologics
Chesterford Research Park
Cambridge, United Kingdom
www.pharma.lonza.com



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