<|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: all relevant data are within the paper. the accession numbers of all the proteins described in this study can be found in the legend of fig. 2. all sequences are available from ncbi database.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>