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from stmol import showmol
import py3Dmol
import streamlit as st
import requests
st.markdown("# ESM-2 Protein Folding demo")
st.markdown("You can input a single protein sequence and you get the predicted protein structure")
option = st.selectbox(
'Select a protein',
("Antifreeze protein", "Plastic degradation protein", "AI Generated protein", "7-bladed propeller fold", "custom"))
if option == "Plastic degradation protein":
suggestion = "MGSSHHHHHHSSGLVPRGSHMRGPNPTAASLEASAGPFTVRSFTVSRPSGYGAGTVYYPTNAGGTVGAIAIVPGYTARQSSIKWWGPRLASHGFVVITIDTNSTLDQPSSRSSQQMAALRQVASLNGTSSSPIYGKVDTARMGVMGWSMGGGGSLISAANNPSLKAAAPQAPWDSSTNFSSVTVPTLIFACENDSIAPVNSSALPIYDSMSRNAKQFLEINGGSHSCANSGNSNQALIGKKGVAWMKRFMDNDTRYSTFACENPNSTRVSDFRTANCSLEDPAANKARKEAELAAATAEQ"
elif option == "Antifreeze protein":
suggestion = "QCTGGADCTSCTGACTGCGNCPNAVTCTNSQHCVKANTCTGSTDCNTAQTCTNSKDCFEANTCTDSTNCYKATACTNSSGCPGH"
elif option == "AI Generated protein":
suggestion = "MSGMKKLYEYTVTTLDEFLEKLKEFILNTSKDKIYKLTITNPKLIKDIGKAIAKAAEIADVDPKEIEEMIKAVEENELTKLVITIEQTDDKYVIKVELENEDGLVHSFEIYFKNKEEMEKFLELLEKLISKLSGS"
elif option == "7-bladed propeller fold":
suggestion = "VKLAGNSSLCPINGWAVYSKDNSIRIGSKGDVFVIREPFISCSHLECRTFFLTQGALLNDKHSNGTVKDRSPHRTLMSCPVGEAPSPYNSRFESVAWSASACHDGTSWLTIGISGPDNGAVAVLKYNGIITDTIKSWRNNILRTQESECACVNGSCFTVMTDGPSNGQASYKIFKMEKGKVVKSVELDAPNYHYEECSCYPNAGEITCVCRDNWHGSNRPWVSFNQNLEYQIGYICSGVFGDNPRPNDGTGSCGPVSSNGAYGVKGFSFKYGNGVWIGRTKSTNSRSGFEMIWDPNGWTETDSSFSVKQDIVAITDWSGYSGSFVQHPELTGLDCIRPCFWVELIRGRPKESTIWTSGSSISFCGVNSDTVGWSWPDGAELPFTIDK"
else:
suggestion = ""
sequence = st.text_input(label="Protein Sequence", value=suggestion)
headers = {
'Content-Type': 'application/x-www-form-urlencoded',
}
response = requests.post('https://api.esmatlas.com/foldSequence/v1/pdb/', headers=headers, data=sequence)
name = sequence[:3] + sequence[-3:]
pdb_string = response.content.decode('utf-8')
xyzview = py3Dmol.view()
xyzview.addModel(pdb_string,'pdb')
xyzview.setStyle({'cartoon':{
"color": "spectrum",}})
xyzview.zoomTo()
print("Set style")
showmol(xyzview, height = 500,width=800)
print("Displayed")
st.markdown("[ESM](https://esmatlas.com/about) by Meta using the API. You can also use Hugging Face `transformers` as shown [here](https://github.com/huggingface/notebooks/blob/main/examples/protein_folding.ipynb), which is supported since [v4.24](https://github.com/huggingface/transformers/releases/tag/v4.24.0).")
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