openfold.model.pair_transition¶ Classes PairTransition(c_z, n) Implements Algorithm 15. class PairTransition(c_z, n)¶ Bases: Module Implements Algorithm 15. forward(z, mask=None, chunk_size=None)¶ Parameters: z (Tensor) – [*, N_res, N_res, C_z] pair embedding mask (Tensor | None) chunk_size (int | None) Returns: [*, N_res, N_res, C_z] pair embedding update Return type: Tensor