+ FORMAT('FT',self.NT_NUMBER,1,'String','Sample Genotype Filter','.'),
+ FORMAT('GL',self.NT_UNKNOWN,-1,'Float','Genotype likelihoods','.'),
+ FORMAT('GLE',self.NT_UNKNOWN,-1,'Float','Genotype likelihoods','.'),
+ FORMAT('GQ',self.NT_NUMBER,1,'Integer','Genotype Quality',-1),
+ FORMAT('PL',self.NT_GENOTYPES,-1,'Integer','Phred-scaled genotype likelihoods', '.'),
+ FORMAT('GP',self.NT_GENOTYPES,-1,'Float','Genotype posterior probabilities','.'),
+ FORMAT('GQ',self.NT_GENOTYPES,-1,'Integer','Conditional genotype quality','.'),