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Single-sequence model #354

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merged 38 commits into from Oct 10, 2023
Merged

Single-sequence model #354

merged 38 commits into from Oct 10, 2023

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gahdritz
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- Added a `PreembeddingEmbedder` for embedding single-sequence (NUM_RESIDUE, ...) shaped embeddings as input.
- Added configuration options in `config.py` for toggling seq-emb mode
- Added list for specifying features to be used in seq-emb mode.
- New method for generating dummy MSA features.
…f MSAs.

- Added a `seq_emb` bool flag to `data_pipeline > process_fasta()`
- In `seqemb_mode` use dummy MSA features instead of full ones.
…b mode.

- Added a method to load and process sequence embedding `*.pt` files.
- In `seqemb_mode`, now add seqemb features to the feature dictionary.
…processors.

- Added `use_single_seq_mode` flag in inference script arguments.
- Passed on the flag to the FASTA file `data_processor`.
…del in `seqemb` mode.

- `seqemb_mode_enabled` added as a configuration option.
- `model.py` switches to using the `PreembeddingEmbedder` when the flag is `True`.
- Added `preembedding_embedder` config dictionary in `config`
- Added `preemb_dim_size` property in `config` for specifying single seq embedding size.
…nce embeddings.

- Added flag `no_column_attention` in evoformer config.
- Added check in `evoformer.py` to switch off `MSAColumnAttention` when the config flag `no_column_attention` is `True`.
…ddings when in `seqemb` mode.

- Use sequence embedding files when in `seqemb` mode.
- Make dummy MSA features for MMCIF when using `seqemb` mode.
…`data_pipeline` for training and inference pipelines.

- Passing the config.data.seqemb_mode.enabled flag to the FASTA, PDB, and MMCIF data pipelines.
- Turn on `seqemb` mode in `data`, `model`, and `globals` config when using `seqemb` training preset.
- Turn on `seqemb` mode in `data`, `model`, and `globals` config when using `seqemb` training preset.
- Set configuration options specific for finetuning in general.
- Bugfix: `torch` throws warnings when copying a tensor via initialization
- Added lambda to `.clone()` those tensors instead
…seqemb feature dictionary.

- `_process_seqemb_features` now returns a dictionary instead of a tensor.
… feature pipeline , if using seq_emb mode

- In `seq_emb` mode, add list of `seq_emb` features to `feature_names`
- In `seq_emb` mode, the AlignmentRunner works only on generating templates.
- In `seqemb_mode`, `process_pdb` loads sequence embedding for the PDB's protein, and a dummy MSA
… mask if there is only input sequence in MSA.

- Set `max_msa_clusters=1` in model presets for allowing the input sequence to be a MSA cluster centre.
--use_precomputed_alignments alignments_dir \
--output_dir ./ \
--model_device "cuda:0" \
--config_preset "seq_model_esm1b" \
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This preset should be seq_model_esm1b_ptm

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@jnwei jnwei left a comment

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A few small suggestions to improve clarity of sequence embedding models in the configs.

else:
raise ValueError("Invalid model name")

if name.startswith("seq"):
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Could we change this to be name.startswith("seqemb"), and change the two other presets seq_model_esm1b and seq_model_esm1b_ptm to begin with seq_emb?

This will help in case future presets unrelated to solo seq also begin with 'seq'

c.data.common.use_template_torsion_angles = True
c.model.template.enabled = True
c.data.predict.max_msa_clusters = 1
elif name == "seq_model_esm1b_ptm":
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What is the difference between seq_model_esm1b and seq_model_esm1b_ptm? Could we include this information as a comment here perhaps?

@sachinkadyan7 sachinkadyan7 merged commit e8de822 into main Oct 10, 2023
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@jnwei jnwei deleted the seqemb_model branch February 6, 2024 08:03
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3 participants