Assessment of predicted enzymatic activity of α-N-acetylglucosaminidase variants of unknown significance for CAGI 2016.

Abstract:

:The NAGLU challenge of the fourth edition of the Critical Assessment of Genome Interpretation experiment (CAGI4) in 2016, invited participants to predict the impact of variants of unknown significance (VUS) on the enzymatic activity of the lysosomal hydrolase α-N-acetylglucosaminidase (NAGLU). Deficiencies in NAGLU activity lead to a rare, monogenic, recessive lysosomal storage disorder, Sanfilippo syndrome type B (MPS type IIIB). This challenge attracted 17 submissions from 10 groups. We observed that top models were able to predict the impact of missense mutations on enzymatic activity with Pearson's correlation coefficients of up to .61. We also observed that top methods were significantly more correlated with each other than they were with observed enzymatic activity values, which we believe speaks to the importance of sequence conservation across the different methods. Improved functional predictions on the VUS will help population-scale analysis of disease epidemiology and rare variant association analysis.

journal_name

Hum Mutat

journal_title

Human mutation

authors

Clark WT,Kasak L,Bakolitsa C,Hu Z,Andreoletti G,Babbi G,Bromberg Y,Casadio R,Dunbrack R,Folkman L,Ford CT,Jones D,Katsonis P,Kundu K,Lichtarge O,Martelli PL,Mooney SD,Nodzak C,Pal LR,Radivojac P,Savojardo C,Shi

doi

10.1002/humu.23875

subject

Has Abstract

pub_date

2019-09-01 00:00:00

pages

1519-1529

issue

9

eissn

1059-7794

issn

1098-1004

journal_volume

40

pub_type

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