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                                  ---  PhyML v3.0_246M  ---
                            http://www.atgc-montpellier.fr/phyml
                         Copyright CNRS - Universite Montpellier II
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. Sequence filename: 			hiv.phy

. Data set: 				#1

. Tree topology search : 		NNIs

. Initial tree: 			BioNJ

. Model of nucleotides substitution: 	GTR

. Number of taxa: 			20

. Log-likelihood: 			-1752.42340

. Unconstrained likelihood: 		-880.76144

. Parsimony: 				315

. Tree size: 				1.77835

. Discrete gamma model: 		Yes
  - Number of categories: 		4
  - Gamma shape parameter: 		0.771

. Nucleotides frequencies:

  - f(A)= 0.42597
  - f(C)= 0.15878
  - f(G)= 0.18676
  - f(T)= 0.22849

. GTR relative rate parameters :

  A <-> C    1.17728
  A <-> G    3.08642
  A <-> T    0.60698
  C <-> G    0.92672
  C <-> T    4.74366
  G <-> T    1.00000


. Instantaneous rate matrix :

  [A---------C---------G---------T------]
  -0.71991   0.14919   0.46003   0.11069
   0.40024  -1.40341   0.13813   0.86505
   1.04929   0.11743  -1.34908   0.18236
   0.20635   0.60112   0.14905  -0.95652



. Time used 0h0m3s


. 3 seconds

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 Suggested citation:
 S. Guindon & O. Gascuel
 "A simple, fast, and accurate algorithm to estimate large phylogenies by maximum likelihood"
 Systematic Biology. 2003. 52(5):696-704.
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