# Error: elemental ion CA without specified charge

**URL:** https://ask.bioexcel.eu/t/error-elemental-ion-ca-without-specified-charge/347
**Category:** HADDOCK
**Created:** [April 20, 2017, 11:05am UTC](https://ask.bioexcel.eu/t/error-elemental-ion-ca-without-specified-charge/347 "2017-04-20T11:05:51Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![lhutten](https://avatars.discourse-cdn.com/v4/letter/l/c6cbf5/32.png) [@lhutten](https://ask.bioexcel.eu/u/lhutten)
#### Post date: [April 21, 2017, 3:34pm UTC](https://ask.bioexcel.eu/t/error-elemental-ion-ca-without-specified-charge/347/4 "2017-04-21T15:34:09Z")

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Thank you! I used the pdb\_striphet.py script to get the CA atoms out in the end and now my run is in the queue

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