^SAMPLE = sample 1
!Sample_type = SRA
!Sample_title = 
!Sample_source_name = 
!Sample_organism = 
!Sample_characteristics = [tag: value]
!Sample_characteristics = [tag: value]
!Sample_characteristics = [tag: value]
!Sample_molecule = [controlled vocabulary] 
!Sample_treatment_protocol = [optional] 
!Sample_growth_protocol = [optional] 
!Sample_extract_protocol = 
!Sample_library construction protocol = 
!Sample_adapters = 
!Sample_description = [optional] 
!Sample_data_processing = 
!Sample_data_processing = 
!Sample_data_processing = 
!Sample_library_strategy = [controlled vocabulary]
!Sample_processed_data_file = 
!Sample_processed_data_file = 
!Sample_processed_data_files_format_and_content = 
!Sample_genome_build = 
!Sample_raw_file_run1 = [See *raw data guidelines* section]
!Sample_raw_file_type_run1 = 
!Sample_raw_file_checksum_run1 = 
!Sample_raw_file_instrument_model_run1 = 
!Sample_raw_file_read_length_run1 = 
!Sample_raw_file_single_or_paired-end_run1 = 

^SAMPLE = sample 2
!Sample_type = SRA
!Sample_title = 
etc...

^SERIES = 
!Series_title = 
!Series_summary = 
!Series_summary = 
!Series_overall_design = 
!Series_contributor = ['firstname,lastname' or 'firstname,initial,lastname']
!Series_contributor = 
!Series_sample_id = sample 1
!Series_sample_id = sample 2
etc...