MASP2 — 227 ClinVar variants

All ClinVar germline MASP2 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 134 flagged for review →

3 Likely pathogenic · 15 Conflicting · 9 Benign · 16 Benign/Likely benign · 37 Likely benign · 147 Uncertain significance

Full MASP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 134

Variants where the independent computational evidence doesn't line up with the clinical picture — a QC signal for a second look, not a reclassification.

Predictors vs ClinVar 1

ClinVar calls these pathogenic, but the computational predictors lean tolerated — the highest-value review flag.

Predictors agree, ClinVar conflicts 8

ClinVar submitters conflict, but the independent predictors unanimously agree — a QC review flag, not a reclassification.

Predictors lean, ClinVar uncertain 89

ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification.

Predictors split 36

The independent predictors disagree with each other — read with care.

All MASP2 variants

Likely pathogenic 3

  • p.Arg376Ter Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Ser506fs Single submitter
  • p.Thr239Ser No assertion criteria immunodeficiency due to MASP-2 deficiency ⚠

Conflicting classifications of pathogenicity 15

  • c.234+6G>A Single submitter immunodeficiency due to MASP-2 deficiency
  • c.741+1G>T Single submitter immunodeficiency due to MASP-2 deficiency
  • p.Arg118Cys Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Asp120Gly Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Asp355Val Single submitter immunodeficiency due to MASP-2 deficiency
  • p.Cys156Tyr Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Ile276Met Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Ser642Gly Single submitter ⚠
  • p.Thr128Met Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Thr381Ile Single submitter immunodeficiency due to MASP-2 deficiency
  • p.Thr599Ile Single submitter ⚠
  • p.Thr88Met Single submitter immunodeficiency due to MASP-2 deficiency ⚠
  • p.Trp418fs Single submitter immunodeficiency due to MASP-2 deficiency
  • p.Val311Ile Single submitter MASP2-related disorder ⚠
  • p.Val77= Single submitter immunodeficiency due to MASP-2 deficiency

Benign 9

  • p.Ala136= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Cys11= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Pro204= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Ser185= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Thr294= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • c.*225T>C Single submitter
  • p.Glu124Lys Single submitter ⚠
  • p.His155Arg Single submitter immunodeficiency due to MASP-2 deficiency
  • p.Gly464Ala No assertion criteria MASP2-related disorder

Benign/Likely benign 16

  • c.234+13C>T Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Ala297= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Arg439His Multiple submitters
  • p.Arg99Gln Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Asn539= Multiple submitters
  • p.Asp371Tyr Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Asp415Asn Multiple submitters
  • p.Gln577His Multiple submitters
  • p.His157Arg Multiple submitters immunodeficiency due to MASP-2 deficiency ⚠
  • p.Pro126Leu Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Pro20= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Ser13Leu Multiple submitters
  • p.Ser493= Multiple submitters
  • p.Thr294Met Multiple submitters immunodeficiency due to MASP-2 deficiency ⚠
  • p.Tyr243= Multiple submitters immunodeficiency due to MASP-2 deficiency
  • p.Val377Ala Multiple submitters immunodeficiency due to MASP-2 deficiency ⚠

Likely benign 37

Uncertain significance 147