# Invalid literal for int() with base 10: “ ”

**URL:** <https://ask.bioexcel.eu/t/invalid-literal-for-int-with-base-10/5354>\
**Category:** Uncategorized\
**Created:** [December 5, 2024, 1:43am UTC](https://ask.bioexcel.eu/t/invalid-literal-for-int-with-base-10/5354 "2024-12-05T01:43:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Javiera](https://avatars.discourse-cdn.com/v4/letter/j/ea5d25/32.png) [@Javiera](https://ask.bioexcel.eu/u/Javiera)\
**Post date:** [December 5, 2024, 1:43am UTC](https://ask.bioexcel.eu/t/invalid-literal-for-int-with-base-10/5354/1 "2024-12-05T01:43:54Z")

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The structure of my protein has a ligand associated with it, and when I enter it: I get this error: **Invalid literal for int() with base 10: “ ”.** This is my lig:  
HETATM 1 FE FE1 377 38.584 46.007 34.761 0.00 0.00 Fe  
HETATM 2 C1 cis 379 34.381 55.304 40.093 0.00 0.00 0|\*\* C  
HETATM 3 C2 cis 379 34.996 55.924 38.972 0.00 0.00 0|\*\* C  
HETATM 4 C3 cis 379 35.016 57.342 38.866 0.00 0.00 0|\*\* C  
HETATM 5 C4 cis 379 34.420 58.139 39.881 0.00 0.00 0|\*\* C  
HETATM 6 C5 cis 379 35.592 55.127 37.958 0.00 0.00 0|\*\* C  
HETATM 7 C6 cis 379 34.978 59.404 40.211 0.00 0.00 0|\*\* C  
HETATM 8 C7 cis 379 34.382 60.201 41.226 0.00 0.00 0|\*\* C  
HETATM 9 C8 cis 379 33.456 61.221 40.877 0.00 0.00 0|\*\* C  
HETATM 10 C9 cis 379 34.712 59.978 42.590 0.00 0.00 0|\*\* C  
HETATM 11 C10 cis 379 35.638 58.957 42.938 0.00 0.00 0|\*\* C  
HETATM 12 C11 cis 379 35.404 58.145 44.082 0.00 0.00 0|\*\* C  
HETATM 13 C12 cis 379 34.527 57.029 43.993 0.00 0.00 0|\*\* C  
HETATM 14 C13 cis 379 33.188 57.139 44.456 0.00 0.00 0|\*\* C  
HETATM 15 C14 cis 379 34.990 55.803 43.441 0.00 0.00 0|\*\* C  
HETATM 16 C15 cis 379 36.330 55.694 42.978 0.00 0.00 0|\*\* C  
HETATM 17 C16 cis 379 36.675 54.688 42.036 0.00 0.00 0|\*\* C

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<div class="post-metadata">

**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:** [December 5, 2024, 10:46pm UTC](https://ask.bioexcel.eu/t/invalid-literal-for-int-with-base-10/5354/2 "2024-12-05T22:46:29Z")

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Doesn’t look properly formatted …

You could try for example to read it in PyMol and export it again in PDB format.