# SPOTON **URL:** https://ask.bioexcel.eu/c/spoton/18.md [Latest](https://ask.bioexcel.eu/latest.md) · [Categories](https://ask.bioexcel.eu/categories.md) · [Tags](https://ask.bioexcel.eu/tags.md) --- ## [About the SPOTON category](https://ask.bioexcel.eu/t/about-the-spoton-category/1130)
**Author:** [@mtrellet](https://ask.bioexcel.eu/u/mtrellet)\ **Replies:** 0
This is the forum for the SpotOn web portalwhich implements a robust algorithm developed to identify and classify the interfacial residues as Hot-Spots (HS) and Null-Spots (NS). --- ## [SpotOn Webserver Version Number?](https://ask.bioexcel.eu/t/spoton-webserver-version-number/5857)
**Author:** [@Kristian](https://ask.bioexcel.eu/u/Kristian)\ **Replies:** 1\ **Last updated:** [August 9, 2025, 5:20pm UTC](https://ask.bioexcel.eu/t/spoton-webserver-version-number/5857 "2025-08-09T17:20:51Z")
To the team, I’m required to mention the version number of SpotOn used in my research paper preceding publication. I used the SpotOn Webserver on the 26th September 2023 - if there is a specific version number for SpotOn… --- ## [Spoton error message](https://ask.bioexcel.eu/t/spoton-error-message/5255)
**Author:** [@jin](https://ask.bioexcel.eu/u/jin)\ **Replies:** 4\ **Last updated:** [September 19, 2024, 8:51am UTC](https://ask.bioexcel.eu/t/spoton-error-message/5255 "2024-09-19T08:51:51Z")
I submitted a protein-peptide pdb file with chain A and C. and got this error message to contact administrator. This is my first time to use Spoton. I am wondering if someone could please help me with this. the job id i… --- ## [SpotON/EGI-CheckIn not working](https://ask.bioexcel.eu/t/spoton-egi-checkin-not-working/4553)
**Author:** [@Kristian](https://ask.bioexcel.eu/u/Kristian)\ **Replies:** 4\ **Last updated:** [September 26, 2023, 5:31pm UTC](https://ask.bioexcel.eu/t/spoton-egi-checkin-not-working/4553 "2023-09-26T17:31:47Z")
To the team, I’ve resgistered for a Check-In account (which appears to be successful as per my first image attachment). But, I can’t verify this on the spotOn job submission page (refer to second image). When I manually… --- ## [Different hotspots are predicted by SpotOn when the chain IDs are reversed](https://ask.bioexcel.eu/t/different-hotspots-are-predicted-by-spoton-when-the-chain-ids-are-reversed/3807)
**Author:** [@AdiPat48](https://ask.bioexcel.eu/u/AdiPat48)\ **Replies:** 4\ **Last updated:** [July 23, 2022, 6:56pm UTC](https://ask.bioexcel.eu/t/different-hotspots-are-predicted-by-spoton-when-the-chain-ids-are-reversed/3807 "2022-07-23T18:56:46Z")
I have noticed that when I switch the chains A and B in the submission form, the predicted results change. For instance, please consider this example - I submitted a pdb file for PDB structure 1A22 When I submitted Cha… --- ## [Error submitting SpotOn Job](https://ask.bioexcel.eu/t/error-submitting-spoton-job/2774)
**Author:** [@Kris](https://ask.bioexcel.eu/u/Kris)\ **Replies:** 5\ **Last updated:** [May 22, 2021, 7:06pm UTC](https://ask.bioexcel.eu/t/error-submitting-spoton-job/2774 "2021-05-22T19:06:00Z")
Hi all, This is my first time using the server so it could be an issue on my side - when I try to submit a job for SpotOn i’m getting the error message: ‘Internal Server Error’ ‘The server encountered an internal erro… --- ## [Spot On error message](https://ask.bioexcel.eu/t/spot-on-error-message/2180)
**Author:** [@fidelormz](https://ask.bioexcel.eu/u/fidelormz)\ **Replies:** 1\ **Last updated:** [June 19, 2020, 8:46am UTC](https://ask.bioexcel.eu/t/spot-on-error-message/2180 "2020-06-19T08:46:59Z")
Hello everyone! I’ve been trying to submit some inputs in SpotOn for several times during the last few weeks but I got the following error message: “The server encountered an internal error and was unable to complete yo…