On 8/26/19 7:04 AM, Ayesha Fatima wrote:
Dear All,
I have come across another issue
When i want to use opls itp for cholesterol, it gives me this error " Fatal
error:
Residue 'OL' not found in residue topology database"
It does not take CHOL as the residue name as given below

That suggests your input file has incorrect formatting. If it is a PDB file, the column positions are fixed. The error is consistent with the "CHOL" residue name having been shifted by two characters/columns.

-Justin

[ atoms ]
;   nr       type  resnr residue  atom   cgnr     charge       mass  typeB
    chargeB      massB
         1  opls_158   1   CHOL      C1      1   0.2050      12.011
         2  opls_140   1   CHOL      H1      1   0.0600      1.008
         3  opls_154   1   CHOL      O1      1  -0.6830      15.9994

Any suggestions?
Thank you
regards

--
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Justin A. Lemkul, Ph.D.
Assistant Professor
Office: 301 Fralin Hall
Lab: 303 Engel Hall

Virginia Tech Department of Biochemistry
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