MYBPC3 non-truncating variants in HCM cohorts


The table below lists the 272 rare (MAF<0.0001 in ExAC) non-truncating MYBPC3 variants identified in a cohort of 2912 HCM patients. When this rare variant frequency of 0.09341 is compared with a background population rate of 0.01884, there is a statistically significant case excess of 0.07457 (p<0.0001), which suggests that approximately 218 of these variants may be pathogenic.


Variant Type:      All protein-altering variants     -     Truncating variants     -     Non-Truncating variants
Source:      Combined (OMGL + LMM)     -     OMGL     -     LMM



No. Variant (CDS) Variant (Protein) Variant Type Cases (2912)LMM class ExAC frequency
1. c.1504C>T p.R502Wmissense 45Pathogenic0.000024
2. c.772G>A p.E258Kmissense 21Pathogenic0.000039
3. c.1624G>C p.E542Qmissense 17Likely Pathogenic0.000024
4. c.1484G>A p.R495Qmissense 10VUS favour pathogenic0.000008
5. c.2429G>A p.R810Hmissense 8VUS favour pathogenic0.000033
6. c.655G>C p.V219Lmissense 8Likely Pathogenic0.000000
7. c.442G>A p.G148Rmissense 7VUS favour pathogenic0.000042
8. c.2308G>A p.D770Nmissense 6Likely Pathogenic0.000008
9. c.1505G>A p.R502Qmissense 6Pathogenic0.000000
10. c.2374T>C p.W792Rmissense 5Likely Pathogenic0.000000
11. c.3064C>T p.R1022Cmissense 4VUS favour pathogenic0.000008
12. c.1483C>G p.R495Gmissense 4Likely Pathogenic0.000000
13. c.2573G>A p.S858Nmissense 4VUS favour pathogenic0.000000
14. c.3742_3759dup p.Gly1248_Cys1253dupinframe 4Likely Pathogenic0.000000
15. c.2450G>A p.R817Qmissense 3VUS favour pathogenic0.000016
16. c.2873C>T p.T958Imissense 3VUS favour benign0.000065
17. c.3767_3769delCCA p.Thr1256delinframe 3Likely Pathogenic0.000000
18. c.1591G>A p.G531Rmissense 3VUS favour pathogenic0.000017
19. c.1828G>A p.D610Nmissense 3VUS0.000000
20. c.710A>C p.Y237Smissense 3Likely Pathogenic0.000000
21. c.355G>A p.E119Kmissense 3VUS0.000000
22. c.2882C>T p.P961Lmissense 2VUS0.000048
23. c.1483C>T p.R495Wmissense 2VUS favour pathogenic0.000000
24. c.1513_1515delAAG inframe 2VUS favour pathogenic0.000000
25. c.814C>T p.R272Cmissense 2VUS0.000083
26. c.2320G>A p.A774Tmissense 2VUS0.000000
27. c.532G>A p.V178Mmissense 2VUS favour pathogenic0.000020
28. c.1828G>C p.D610Hmissense 2VUS favour benign0.000058
29. c.636C>G p.S212Rmissense 2VUS favour pathogenic0.000000
30. c.1037G>A p.R346Hmissense 2VUS0.000000
31. c.1790G>A p.R597Qmissense 2VUS favour pathogenic0.000000
32. c.1766G>A p.R589Hmissense 2VUS0.000000
33. c.1934C>T p.P645Lmissense 2VUS0.000000
34. c.1591G>C p.G531Rmissense 1VUS favour pathogenic0.000017
35. c.3797G>A p.C1266Ymissense 1Likely Pathogenic0.000000
36. c.2197C>T p.R733Cmissense 1VUS0.000085
37. c.2269G>A p.V757Mmissense 1VUS0.000066
38. c.1960C>T p.R654Cmissense 1VUS favour benign0.000008
39. c.932C>T p.S311Lmissense 1VUS0.000000
40. c.1397T>A p.M466Kmissense 1VUS0.000008
41. c.2828G>A p.R943Qmissense 1VUS0.000025
42. c.104G>A p.R35Qmissense 1VUS0.000079
43. c.3548T>G p.F1183Cmissense 1Likely Pathogenic0.000000
44. c.451G>A p.D151Nmissense 1VUS0.000041
45. c.1505G>T p.R502Lmissense 1VUS favour pathogenic0.000000
46. c.290C>T p.A97Vmissense 1VUS favour pathogenic0.000000
47. c.326C>T p.A109Vmissense 1VUS0.000000
48. c.1188G>T p.W396Cmissense 1VUS0.000000
49. c.436A>C p.T146Pmissense 1VUS0.000000
50. c.931T>A p.S311Tmissense 1VUS0.000000
51. c.1343T>C p.F448Smissense 1Likely Pathogenic0.000000
52. c.1778C>T p.S593Fmissense 1VUS favour pathogenic0.000034
53. c.713G>A p.R238Hmissense 1VUS0.000074
54. c.2560A>G p.M854Vmissense 1VUS0.000000
55. c.3746G>T p.G1249Vmissense 1VUS0.000000
56. c.3605G>A p.C1202Ymissense 1Likely Pathogenic0.000000
57. c.3098G>A p.R1033Qmissense 1VUS0.000000
58. c.2939G>A p.R980Hmissense 1VUS0.000000
59. c.1841A>G p.Y614Cmissense 1VUS favour pathogenic0.000000
60. c.2449C>T p.R817Wmissense 1VUS0.000000
61. c.1950C>G p.D650Emissense 1VUS0.000000
62. c.3373G>A p.V1125Mmissense 1VUS favour pathogenic0.000022
63. c.518C>A p.T173Nmissense 1VUS0.000000
64. c.1456T>G p.W486Gmissense 1Likely Pathogenic0.000000
65. c.3580G>A p.A1194Tmissense 1VUS0.000008
66. c.3763G>A p.A1255Tmissense 1VUS favour pathogenic0.000075
67. c.2234A>G p.D745Gmissense 1VUS0.000000
68. c.1213A>G p.M405Vmissense 1Pathogenic0.000000
69. c.1540A>G p.I514Vmissense 1VUS0.000008
70. c.2938C>T p.R980Cmissense 1VUS0.000062
71. c.2170C>T p.R724Wmissense 1VUS0.000019
72. c.3676C>T p.R1226Cmissense 1VUS0.000058
73. c.1358C>T p.P453Lmissense 1VUS0.000008
74. c.3049G>A p.E1017Kmissense 1VUS favour benign0.000085
75. c.1535T>A p.L512Qmissense 1VUS favour pathogenic0.000000
76. c.1294G>A p.A432Tmissense 1VUS0.000037
77. c.2557G>A p.G853Smissense 1VUS0.000008
78. c.853G>A p.D285Nmissense 1VUS0.000000
79. c.3065G>A p.R1022Hmissense 1VUS favour pathogenic0.000000
80. c.3281A>T p.N1094Imissense 1VUS0.000000
81. c.1418T>C p.F473Smissense 1VUS0.000000
82. c.3065G>C p.R1022Pmissense 1VUS favour pathogenic0.000025
83. c.2671C>T p.R891Wmissense 1Likely Pathogenic0.000031
84. c.2641G>A p.V881Imissense 1VUS0.000018
85. c.3742G>A p.G1248Rmissense 1VUS0.000033
86. c.103C>T p.R35Wmissense 1VUS0.000056
87. c.2654C>T p.T885Mmissense 1VUS0.000022
88. c.3791G>A p.C1264Ymissense 1VUS0.000008
89. c.3G>C p.Met1?missense 1Likely Pathogenic0.000000
90. c.3277G>T p.G1093Cmissense 1VUS0.000020
91. c.2525A>G p.Y842Cmissense 1VUS0.000000
92. c.3413G>C p.R1138Pmissense 1VUS0.000000
93. c.2533C>T p.R845Cmissense 1VUS favour pathogenic0.000000
94. c.566T>A p.V189Dmissense 1VUS0.000000
95. c.223G>A p.D75Nmissense 1VUS favour pathogenic0.000091
96. c.2993A>G p.Q998Rmissense 1VUS favour pathogenic0.000000
97. c.844C>T p.R282Wmissense 1VUS favour pathogenic0.000000
98. c.1021G>A p.G341Smissense 1VUS favour pathogenic0.000025
99. c.481C>A p.P161Tmissense 1VUS favour pathogenic0.000041
100. c.2518G>A p.V840Mmissense 1VUS0.000016
101. c.1672G>A p.A558Tmissense 1VUS0.000008
102. c.2312T>C p.V771Amissense 1VUS0.000000
103. c.3083C>G p.T1028Smissense 1VUS0.000000
104. c.3415G>A p.V1139Imissense 1VUS0.000087
105. c.2210C>T p.T737Mmissense 1VUS0.000050
106. c.373G>T p.A125Smissense 1VUS0.000000
107. c.2723A>G p.Y908Cmissense 1VUS0.000062
108. c.1586C>G p.T529Smissense 1VUS favour pathogenic0.000000
109. c.2436G>T p.K812Nmissense 1VUS0.000000
110. c.2528_2536delAGATGCGCG p.Glu843_Arg845delinframe 1Pathogenic0.000000
111. c.2459G>A p.R820Qmissense 1Likely Pathogenic0.000016

References

1. Roddy Walsh, Kate L. Thomson, James S. Ware, Birgit H. Funke, Jessica Woodley, Karen J. McGuire, Francesco Mazzarotto, Edward Blair, Anneke Seller, Jenny C. Taylor, Eric V. Minikel, Exome Aggregation Consortium, Daniel G. MacArthur, Martin Farrall, Stuart A. Cook and Hugh Watkins. Reassessment of Mendelian gene pathogenicity using 7,855 cardiomyopathy cases and 60,706 reference samples. Genet Med. 2016 doi:10.1038/gim.2016.90.

2. Alfares AA, Kelly MA, McDermott G, Funke BH, Lebo MS, Baxter SB, Shen J, McLaughlin HM, Clark EH, Babb LJ, Cox SW, DePalma SR, Ho CY, Seidman JG, Seidman CE, Rehm HL. Results of clinical genetic testing of 2,912 probands with hypertrophic cardiomyopathy: expanded panels offer limited additional sensitivity. Genet Med. 2015 Nov;17(11):880-8.