Yes, multiple cofactors can exist in active sites. One example is Enolase.
Also, metal-metal bonds are common in coordination spheres for catalysis.

On Fri, Dec 20, 2024 at 4:34 PM David Briggs <david.bri...@crick.ac.uk>
wrote:

> Hi Harry,
>
> The first thing that comes to mind is any sort of light harvesting complex
> - take a look at 1RWT. Would that fit the bill?
>
> D
>
>
>
> --
>
> *Dr David C. Briggs CSci MRSB **(he/him)*
>
> Principal Laboratory Research Scientist
>
> Signalling and Structural Biology Lab
>
> The Francis Crick Institute
>
> London, UK
>
> *Working hours: Mon-Fri 0900-1700*
>
> ==
>
> about.me/david_briggs | OrcID <https://orcid.org/0000-0002-9793-7339> | Google
> Scholar  <https://scholar.google.co.uk/citations?user=DRKG5KwAAAAJ>
>
> ==
>
> "Would it not be better if one could really 'see' whether molecules...were
> just as experiments suggested?"
>
> – Dorothy Hodgkin
> ------------------------------
> *From:* CCP4 bulletin board <CCP4BB@JISCMAIL.AC.UK> on behalf of Harry
> Powell <0000193323b1e616-dmarc-requ...@jiscmail.ac.uk>
> *Sent:* 20 December 2024 10:37
> *To:* CCP4BB@JISCMAIL.AC.UK <CCP4BB@JISCMAIL.AC.UK>
> *Subject:* [ccp4bb] enzyme or other protein with multiple cofactors
>
>
> External Sender: Use caution.
>
>
> Hi folks
>
> I’m familiar with enzymes that have a single co-factor (for example haem
> in myoglobin [or in the individual chains in haemoglobins] or FAD in
> flavoproteins), but was wondering if there are examples of single-chain
> proteins that have multiple cofactors (or even multiple chain proteins that
> have multiple cofactors bound to a single chain)?
>
> I’m not bothered (at the moment) about proteins that have cofactors bound
> to different chains.
>
> I thought this would be a good place to ask…
>
> Harry
> ########################################################################
>
> 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/
>
> The Francis Crick Institute Limited is a registered charity in England and
> Wales no. 1140062 and a company registered in England and Wales no.
> 06885462, with its registered office at 1 Midland Road London NW1 1AT
>
> ------------------------------
>
> 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/

Reply via email to