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Drayna D, et al. Genetic mapping and diagnosis of haemophilia A achieved through a BclI polymorphism in the factor VIII gene. Nature 314: 738-740, 1985. PubMed: 2986011

Mann MB, et al. Cloning of restriction and modification genes in E. coli: the HbaII system from Haemophilus haemolyticus. Gene 3: 97-112, 1978. PubMed: 350714

Roberts RJ, et al. A specific endonuclease from Haemophilus haemolyticus. J. Mol. Biol. 103: 199-208, 1976. PubMed: 1085372

Kelly S, et al. Purification of the HhaII restriction endonuclease from an overproducer Escherichia coli clone. J. Biol. Chem. 260: 15339-15344, 1985. PubMed: 2999111

Skerman VB, et al. Approved lists of bacterial names. Int J Syst Bacteriol 30: 225-420, 1980.

Roberts RJ. Restriction and modification enzymes and their recognition sequences. Nucleic Acids Res. 13: r165-r200, 1985. PubMed: 2987885

Nucleotide (GenBank) : AX109576 Sequence 309 from Patent WO0123604.

Nucleotide (GenBank) : J02677 H.haemolyticus DNA methylase gene, complete cds.