Fig. 2From: Influence of dopaminergic system gene polymorphisms on mixed amphetamine-type stimulants and opioid dependence in Malaysian Malaysa PCR product of DβH rs1611115 (131 bp). b PCR-RFLP result following digestion with Hha1 restriction enzyme. Lane 1 shows a 100-bp DNA ladder. Lane 2 shows a heterozygous C/T wild-mutant alleles with 22-, 109-, and 131-bp fragments. Lanes 3, 5, and 6 show homozygous wild type C/C with a 131-bp fragment. Lane 4 shows a homozygous mutant T/T with 22- and 109-bp fragmentsBack to article page