application: primers [
  documentation: "Simple version of primer3 to pick PCR
                  primers"
  groups: "Nucleic:Primers"
  external: "primer3_core"
]

section: input [
  information: "Input section"
  type: "page"
]

  seqall: sequence [
    parameter: "Y"
    type: "dna"
    help: "The sequence from which to choose primers. The sequence
           must be presented 5' -> 3'"
  ]

endsection: input

section: additional [
  information: "Additional section"
  type: "page"
]

  range: target [
    additional: "Y"
    default: ""
    information: "Target region(s)"
    help: "If one or more Targets is specified then a legal primer
           pair must flank at least one of them. A Target might be a simple
           sequence repeat site (for example a CA repeat) or a
           single-base-pair polymorphism. The value should be a
           space-separated list of \
           <start>,<end> \
           pairs where <start> is the index of the first base of a Target,
           and <end> is the last \
           E.g. 50,51 requires primers to surround the 2 bases at positions
           50 and 51."
  ]

  integer: minsize [
    additional: "Y"
    default: "18"
    minimum: "1"
    information: "Primer minimum size"
    help: "Minimum acceptable length of a primer. Must be greater than
           0 and less than or equal to MAX-SIZE."
  ]

  integer: maxsize [
    additional: "Y"
    default: "27"
    minimum: "$(MinSize)"
    maximum: "35"
    information: "Primer maximum size"
    help: "Maximum acceptable length (in bases) of a primer. Currently
           this parameter cannot be larger than 35. This limit is governed
           by the maximum oligo size for which Primer3's melting-temperature
           is valid."
  ]

  float: maxdifftm [
    additional: "Y"
    default: "100.0"
    information: "Maximum difference in Tm of primers"
    help: "Maximum acceptable (unsigned) difference between the
           melting temperatures of the forward and reverse primers."
  ]

endsection: additional

section: output [
  information: "Output section"
  type: "page"
]

  boolean: explainflag [
    additional: "Y"
    default: "N"
    information: "Explain flag"
    help: "If this flag is non-0, produce LEFT-EXPLAIN and
           RIGHT-EXPLAIN, output, which are intended to provide information
           on the number of primer pairs that Primer3 examined, and
           statistics on the number discarded for various reasons."
  ]

  integer: numreturn [
    additional: "Y"
    default: "5"
    minimum: "0"
    information: "Number of results to return"
    help: "The maximum number of primer pairs to return. Primer pairs
           returned are sorted by their 'quality', in other words by the
           value of the objective function (where a lower number indicates a
           better primer pair). Caution: setting this parameter to a large
           value will increase running time."
  ]

  outfile: outfile [
    parameter: "Y"
    knowntype: "primer3 output"
    information: "Whitehead primer3_core program output file"
  ]

endsection: output