{
    "name": "hky85_sym",
    "title": "The Hasegawa-Kishino-Yano (1985) nucleotide exchangabilty matrix",
    "result_type": "ExchangeModel[a]",
    "constraints": ["Nucleotides[a]"],
    "citation":{"type": "article",
		"title": "Dating of the human-ape splitting by a molecular clock of mitochondrial DNA",
		"year": "1985",
		"author": [{"name": "Hasegawa, Masami"}, {"name": "Kishino, Hirohisa"}, {"name": "Yano, Taka-aki"}],
		"journal": {"name": "Journal of molecular evolution", "volume": "22", "number": "2", "pages": "160--174"},
		"identifier": [{"type":"doi","id":"10.1007/BF02101694"}]
	       },
    "call": "SModel.Nucleotides.hky85_sym[kappa,a]",
    "args": [
        {
            "arg_name": "kappa",
            "arg_type": "Double",
            "default_value": "~log_normal[log[2],0.25]",
            "description": "Transition\/transversion ratio"
        },
        {
            "arg_name": "a",
            "arg_type": "a",
	    "default_value": "getAlphabet"
        }
    ],
    "description":"Symmetric exchangability matrix from HKY",
    "extract": "all"
}
