Short Answer

Initially, you should provide the minimal information required.

Detailed Answer

The minimal information is:

  • ASSEMBLYNAME: Unique assembly name
  • COVERAGE: The estimated depth of sequencing coverage
  • PROGRAM: The assembly program

Optional information includes:

  • MINGAPLENGTH: Minimum length of consecutive Ns to be considered a gap
  • MOLECULETYPE: ‘genomic DNA’, ‘genomic RNA’ or ‘viral cRNA’
  • DESCRIPTION: Free text description of the genome assembly

Further information to the respective ENA docs here.