Additional file 3: Figure S2. of Mycobacterium tuberculosis whole genome sequencing and protein structure modelling provides insights into anti-tuberculosis drug resistance PhelanJody CollFrancesc McNerneyRuth AscherDavid PiresDouglas FurnhamNick CoeckNele Hill-CawthorneGrant NairMridul MallardKim RamsayAndrew CampinoSusana HibberdMartin PainArnab RigoutsLeen ClarkTaane 2016 SNP allele frequency spectrum. A large number of rare variants are observed. Peaks with higher allele frequency reflect the presence of lineage and sub-lineage specific SNPs. (PNG 33 kb)