MOCS2 — 351 ClinVar variants

All ClinVar germline MOCS2 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 71 flagged for review →

26 Pathogenic · 8 Pathogenic/Likely pathogenic · 6 Likely pathogenic · 15 Conflicting · 28 Benign · 6 Benign/Likely benign · 129 Likely benign · 133 Uncertain significance

Full MOCS2 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 71

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 agree, ClinVar conflicts 6

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

Predictors lean, ClinVar uncertain 46

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

Predictors split 19

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

All MOCS2 variants

Pathogenic 26

  • p.Glu102Ter Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency
  • p.His123fs Multiple submitters
  • p.Leu23fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ser55Ter Multiple submitters
  • p.Tyr11Ter Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency
  • p.Val116fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Asn48Ter Single submitter
  • p.Asp37fs Single submitter
  • p.Asp45fs Single submitter
  • p.Asp57fs Single submitter
  • p.Gln36Ter Single submitter
  • p.Glu172fs Single submitter
  • p.Glu91Ter Single submitter
  • p.Gly20fs Single submitter
  • p.Ile135fs Single submitter
  • p.Leu73fs Single submitter
  • p.Met1Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Met98fs Single submitter
  • p.Phe49fs Single submitter
  • p.Pro21fs Single submitter
  • p.Ser23Ter Single submitter
  • p.Ser55fs Single submitter
  • p.Ser9fs Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Glu168Lys No assertion criteria sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Met1Ile No assertion criteria sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Val7Phe No assertion criteria sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1

Pathogenic/Likely pathogenic 8

  • c.377+1G>A Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Gln30Ter Multiple submitters MOCS2-related disorders
  • p.Gln61fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Glu40Ter Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Lys180fs Multiple submitters MOCS2-related disorders
  • p.Met36fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ter189Tyr Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Thr157fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1

Likely pathogenic 6

  • c.99-2A>G Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency
  • p.Leu10fs Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Trp38Ter Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.-169-1G>A Single submitter
  • c.-169-2A>G Single submitter
  • p.Ser20fs Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1

Conflicting classifications of pathogenicity 15

  • c.*2045G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ala99Val Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Arg60Cys Single submitter Inborn genetic diseases
  • p.Glu25Gly Single submitter Inborn genetic diseases ⚠
  • p.Gly76Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.His123Tyr Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Lys167fs Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Lys39= Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Pro22Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Ser140Phe Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency ⚠
  • p.Ser15Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ser20= Single submitter Inborn genetic diseases
  • p.Ser9= Single submitter Inborn genetic diseases
  • p.Thr15= Single submitter Inborn genetic diseases
  • p.Val87= Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1

Benign 28

  • c.227-20_227-17dup Multiple submitters
  • c.-48+40G>A Multiple submitters
  • c.-48+65A>C Multiple submitters
  • c.*1011G>A Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1544C>A Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1872C>T Multiple submitters platelet-type bleeding disorder 9
  • c.*2032G>A Multiple submitters platelet-type bleeding disorder 9
  • c.*2158C>T Multiple submitters platelet-type bleeding disorder 9
  • c.*2415C>T Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*566C>T Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*735G>A Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Thr77Ala Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • c.227-106A>G Single submitter
  • c.227-12del Single submitter
  • c.227-201A>G Single submitter
  • c.378-19del Single submitter
  • c.378-19dup Single submitter
  • c.378-76del Single submitter
  • c.502-188del Single submitter
  • c.-47-10del Single submitter
  • c.-47-6del Single submitter
  • c.-48+74_-48+75insAGT Single submitter
  • c.*1673T>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2582A>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2651G>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*321A>G Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*371C>T Single submitter
  • c.*413del Single submitter

Benign/Likely benign 6

Likely benign 129

Uncertain significance 133

  • c.*837T>C Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ala49Gly Multiple submitters Inborn genetic diseases
  • p.Ala58Thr Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ala70Val Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Arg22Pro Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Arg60His Multiple submitters Inborn genetic diseases
  • p.Asn81Tyr Multiple submitters Inborn genetic diseases ⚠
  • p.Asp109Asn Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Asp26= Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Glu171Lys Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Glu40Lys Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Glu52Lys Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Ile155Thr Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Leu19Phe Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Lys167Gln Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Met36Thr Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Pro21= Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Pro22Ala Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Pro66Leu Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Ser2= Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ser55Ala Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Thr175Ala Multiple submitters Inborn genetic diseases ⚠
  • p.Thr19Arg Multiple submitters Inborn genetic diseases
  • p.Trp184Gly Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Val139Met Multiple submitters sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Val21Phe Multiple submitters
  • c.377+15A>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.377+4T>C Single submitter
  • c.377+5G>C Single submitter
  • c.501+4A>G Single submitter
  • c.*1167G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*122G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1284C>G Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1424G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*143G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1483C>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1545G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1658G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*171G>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*1918A>G Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2609G>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2672G>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2675A>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*2877G>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*32C>G Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*344C>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*372G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*44A>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*518C>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*532G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*651G>A Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*673A>T Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*722T>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • c.*876T>C Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ala13Gly Single submitter
  • p.Ala145Pro Single submitter ⚠
  • p.Ala150Pro Single submitter Inborn genetic diseases ⚠
  • p.Ala154Thr Single submitter ⚠
  • p.Ala160Val Single submitter ⚠
  • p.Ala28Thr Single submitter ⚠
  • p.Ala34Ser Single submitter
  • p.Ala34Val Single submitter Inborn genetic diseases
  • p.Ala58Ser Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Arg22Leu Single submitter
  • p.Asn101Ser Single submitter ⚠
  • p.Asn80Ser Single submitter ⚠
  • p.Asp26Val Single submitter ⚠
  • p.Asp35fs Single submitter
  • p.Asp57Tyr Single submitter ⚠
  • p.Cys107Gly Single submitter
  • p.Gln54Arg Single submitter
  • p.Gln61= Single submitter
  • p.Glu149Ala Single submitter ⚠
  • p.Glu171Gly Single submitter ⚠
  • p.Glu172Gln Single submitter ⚠
  • p.Glu41Asp Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Glu41Lys Single submitter ⚠
  • p.Glu42Asp Single submitter
  • p.Glu42Lys Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Glu52Asp Single submitter Inborn genetic diseases ⚠
  • p.Gly126Ala Single submitter ⚠
  • p.Gly69Asp Single submitter ⚠
  • p.His118Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.His143Arg Single submitter ⚠
  • p.His45Pro Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ile110Val Single submitter Inborn genetic diseases ⚠
  • p.Ile137Met Single submitter ⚠
  • p.Ile169Met Single submitter ⚠
  • p.Ile26Val Single submitter
  • p.Ile41Met Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ile47Thr Single submitter
  • p.Ile55Val Single submitter
  • p.Leu10Phe Single submitter
  • p.Leu158_Lys159del Single submitter
  • p.Leu158Ter Single submitter
  • p.Leu37Val Single submitter
  • p.Leu54Val Single submitter ⚠
  • p.Lys14Asn Single submitter
  • p.Lys167= Single submitter
  • p.Lys180Arg Single submitter ⚠
  • p.Lys39Asn Single submitter
  • p.Met98Ile Single submitter ⚠
  • p.Phe11Leu Single submitter ⚠
  • p.Phe29Leu Single submitter ⚠
  • p.Phe57Ser Single submitter
  • p.Phe82Val Single submitter ⚠
  • p.Pro115Leu Single submitter ⚠
  • p.Pro163Ser Single submitter ⚠
  • p.Pro21Ser Single submitter ⚠
  • p.Ser108Gly Single submitter ⚠
  • p.Ser134Arg Single submitter ⚠
  • p.Ser20Phe Single submitter ⚠
  • p.Ser27Arg Single submitter ⚠
  • p.Ser27Pro Single submitter
  • p.Ser2Ala Single submitter ⚠
  • p.Ser43Tyr Single submitter ⚠
  • p.Ser60Pro Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ser72fs Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Ser8= Single submitter Inborn genetic diseases
  • p.Thr157Ile Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Thr15Arg Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Thr43Ala Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1
  • p.Thr50Ser Single submitter ⚠
  • p.Thr78Ile Single submitter ⚠
  • p.Trp165Arg Single submitter ⚠
  • p.Trp184Arg Single submitter ⚠
  • p.Tyr170Cys Single submitter ⚠
  • p.Tyr95Phe Single submitter ⚠
  • p.Tyr95Ser Single submitter sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠
  • p.Val130Gly Single submitter ⚠
  • p.Val46Ile Single submitter ⚠
  • p.Val7Ala Single submitter Inborn genetic diseases
  • p.Asp26His No assertion criteria sulfite oxidase deficiency due to molybdenum cofactor deficiency type B1 ⚠