# Second pdb file is incorrectly formatted. Please align the columns of your PDB properly

**URL:** https://ask.bioexcel.eu/t/second-pdb-file-is-incorrectly-formatted-please-align-the-columns-of-your-pdb-properly/1660
**Category:** HADDOCK
**Created:** [August 23, 2019, 2:48pm UTC](https://ask.bioexcel.eu/t/second-pdb-file-is-incorrectly-formatted-please-align-the-columns-of-your-pdb-properly/1660 "2019-08-23T14:48:38Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Koustav\_Roy](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/koustav_roy/32/186_2.png) [@Koustav\_Roy](https://ask.bioexcel.eu/u/Koustav_Roy)
#### Post date: [August 23, 2019, 2:48pm UTC](https://ask.bioexcel.eu/t/second-pdb-file-is-incorrectly-formatted-please-align-the-columns-of-your-pdb-properly/1660/1 "2019-08-23T14:48:38Z")

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The HADDOCK category is meant to discuss any HADDOCK-related issue. For general information about HADDOCK refer to [http://www.bonvinlab.org/software/haddock2.2](http://www.bonvinlab.org/software/haddock2.2)

its giving error showing

Second pdb file is incorrectly formatted. Please align the columns of your PDB properly.  
its like this what is wrong with it

ATOM 739 H3’ GUA B 23 -15.789 -8.010 34.488 1.00 0.00 H  
ATOM 740 C3’ GUA B 23 -15.207 -7.089 34.484 1.00 0.00 C  
ATOM 741 O3’ GUA B 23 -14.487 -7.078 35.723 1.00 0.00 O  
ATOM 742 HO3’ GUA B 23 -13.639 -7.501 35.562 1.00 0.00 H  
ENDMDL  
END

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### Author: ![amjjbonvin](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/amjjbonvin/32/23_2.png) [@amjjbonvin](https://ask.bioexcel.eu/u/amjjbonvin)
#### Post date: [August 23, 2019, 4:09pm UTC](https://ask.bioexcel.eu/t/second-pdb-file-is-incorrectly-formatted-please-align-the-columns-of-your-pdb-properly/1660/2 "2019-08-23T16:09:54Z")

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Compare it with a PDB file directly downloaded from the PDB

The column formatting is critical (as the error message tells you…)