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MolPDF: A PDF Document Generator for SMILES!
Welcome to MolPDF! The document generator for cheminformatics! MolPDF does one thing right now and is convert a list of 1D SMILES to a 2D image into a PDF! It's super lightweight and only requires python 3.4 >+.
MolPDF is super new and under heavy development so if there are any bugs then please report them! Eventually, I will be able to get some docs, jupyter notebooks, and some asciis but in the meantime check out the source code and play around.
Announcements
- June 7th 2020 First version 0.1.0 is released to the public
Installation
MolPDF is going to be distribute via PyPi and as the content store grows we can expand it to other pieces of software making it accessible to all regardless of what you use. Alternatively, you could have a glance at the source code and copy/paste it yourself.
QuickStart
Generate a PDF of SMILES
document = MolPDF(name='example.pdf')
document.add_title('Chemical Library Test')
document.add_spacer()
smiles_list = ['C(CNC(C(C)N)=O)(=O)O', 'C(CNC(C(C)N)=O)(=O)O', 'C(CNC(C(C)N)=O)(=O)O']
document.generate(smiles=smiles_list)
Read a MolPDF Generated File into SMILES
document = MolPDFParser('example.pdf')
smiles_list = document.extract_smiles()
print (smiles_list)
>>> ['C(CNC(C(C)N)=O)(=O)O', 'C(CNC(C(C)N)=O)(=O)O', 'C(CNC(C(C)N)=O)(=O)O']
Generate a List a PDF of Amino Acids
# Turning an Amino Acid List into a PDF
amino_acid_side_chains = {
"alanine": "C", "arginine": "CCCCNC(N)=N", "asparagine": "CCC(N)=O", "aspartic acid": "CC(O)=O",
"cysteine": "CS", "glutamic acid": "CCC(O)=O", "glutamine": "CCC(N)=O", "glycine": "[H]",
"histidine": "CC1=CNC=N1", "isoleucine": "C(CC)([H])C", "leucine": "CC(C)C", "lysine": "CCCCN",
"methionine": "CCSC", "phenylalanine": "CC1=CC=CC=C1", "proline": "C2CCCN2", "serine": "CO",
"threonine": "C(C)([H])O", "tryptophan": "CCC1=CNC2=C1C=CC=C2", "tyrosine": "CC1=CC=C(O)C=C1",
"valine": "C(C)C"
}
document = MolPDF(name='amino_acids.pdf')
document.add_title('Chemical Library Test')
document.add_spacer()
smiles_amino_acids = list(amino_acid_side_chains.values())
document.generate(smiles=smiles_amino_acids)
Performance
Generating the 2D images into a PDF can be cumbersome if you have a large chemical library - below I have some average time statistics of how fast a PDF can be generated and parsed using MolPDF and MolPDFParser.
Method: 'MolPDF.generate()'
Length of Smiles: 10 | Time to execute: ~ 0.19 seconds Length of Smiles: 100 | Time to execute: ~ 1.29 seconds Length of Smiles: 1000 | Time to execute: ~ 12.17 seconds
Structure of MolPDF
Currently, the main subpackages are:
- molpdf: molpdf main class.
Genesis
MolPDF was developed so I could publish chemical libraries in an easy supporting information minable data for publications. I hope to make it easy for folk by making it a solely lightweight python package with only requirements to be reportlab.
- Lead Developer Suliman sharif
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