Comments (3)
Hello,
I'm not the developer of this package but can try to answer.
- You can extract the embeddings and run clustering on them, e.g.
from proteinbert import load_pretrained_model
from proteinbert.conv_and_global_attention_model import get_model_with_hidden_layers_as_outputs
pretrained_model_generator, input_encoder = load_pretrained_model()
model = get_model_with_hidden_layers_as_outputs(pretrained_model_generator.create_model(seq_len))
encoded_x = input_encoder.encode_X(seqs, seq_len)
local_representations, global_representations = model.predict(encoded_x, batch_size=batch_size)
# Do clustering based on local_representations, global_representations
- Pre-training from scratch is beneficial in case you have additional datasets or if you would like to modify the model architecture or the training flow. For clustering or other fine-tuning tasks you don't need to run the training from scratch.
- See below - you first encode the input sequences using
input_encoder.encode_X(seqs, seq_len)
and then send the encoded inputs for inference throughmodel.predict(encoded_x, batch_size=batch_size)
Good luck!
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I fully endorse @r-kellerm 's answer. Clustering protein sequences based on ProteinBERT's embeddings seems like a sensible thing to do if you want proteins that are functionally similar to cluster together (but I've never actually tried that).
from protein_bert.
Indeed - take the embeddings and cluster them. I can confirm that this works really well for many tasks, even without fine-tuning (We have another paper using this approach -
Detecting Anomalous Proteins Using Deep Representations
Tomer Michael-Pitschaze, Niv Cohen, Dan Ofer, Yedid Hoshen, Michal Linial
bioRxiv 2023.04.03.535457; doi: https://doi.org/10.1101/2023.04.03.535457
https://www.biorxiv.org/content/10.1101/2023.04.03.535457v1
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Related Issues (20)
- Failing to get the weights from the dedicated github repo HOT 5
- Use ProteinBERT with Own Dataset HOT 3
- Original h5 file HOT 5
- loss plot during pretraining HOT 1
- signal peptide detection HOT 1
- KeyError: "Unable to open object (object 'test_set_mask' doesn't exist)" HOT 6
- How to extract the embedding of an amino acid? HOT 10
- Graph execution error HOT 6
- Extract local and global representation using finetune model HOT 1
- Running Benchmarks HOT 4
- Evaluation on larger data set HOT 6
- Using vector representations in the "weights" parameter in the "embedding" section of an LSTM model after fine-tuning my own data HOT 1
- Failing to extract global embedding (1,15599) -> (1,512) HOT 1
- What do the settings mean? HOT 3
- Error when trying to run the finetuning code given in the jupyter notebook HOT 2
- ValueError, set_weights error
- model_generation.py list is not callable error HOT 2
- GO annotations during fine tuning HOT 1
- Missing MajorPTMs train CSV file HOT 1
- Can't get proteinBERT to run on GPU HOT 1
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