AI-native tensor format (.ptt) for structural biology ML. Convert a protein/nucleic-acid/ligand structure or sequence once; load backbone, MSA, ESM embeddings, sparse pair features, and ligand pockets with zero parsing. Feeds Boltz-2 (verified), AlphaFold 3, Chai-1, Nesso. Zarr-backed, PyTorch/JAX, streams from S3/GCS.