<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: nmr chemical shifts for human calmodulin have been deposited for public database accession in the biological magnetic resonance bank, under accession number 19630, at http://www.bmrb.wisc.edu/. nmr chemical shifts and noe distance restraints have been deposited for the r4 peptide under accession code 25726, and the r4 structures in the ensemble have been deposited in the pdb, http://www.rcsb.org/, with id 2n5r.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>