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. 2009 May 6;37(Web Server issue):W515–W518. doi: 10.1093/nar/gkp305

Figure 1.

Figure 1.

The 2D-RNN architecture for contact prediction. For a protein sequence with length n, the input to a 2D-RNN is an n × n input matrix and the output is an n × n probability matrix residue contacts.