ADA2 — 585 ClinVar variants

All ClinVar germline ADA2 variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 250 flagged for review →

42 Pathogenic · 13 Pathogenic/Likely pathogenic · 28 Likely pathogenic · 28 Conflicting · 36 Benign · 8 Benign/Likely benign · 182 Likely benign · 248 Uncertain significance

Full ADA2 gene report on Sugi Atlas → Gene function, pathways, protein structure, constraint & interactions

⚑ Evidence disagreements 250

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 4

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

Predictors agree, ClinVar conflicts 5

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

Predictors lean, ClinVar uncertain 123

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

Predictors split 118

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

All ADA2 variants

Pathogenic 42

  • c.882-2A>G Multiple submitters deficiency of adenosine deaminase 2
  • c.973-2A>G Multiple submitters Sneddon syndrome
  • p.Arg312Ter Multiple submitters Sneddon syndrome
  • p.Gly358Arg Multiple submitters ADA2-related disorder
  • p.Gly47Ala Multiple submitters deficiency of adenosine deaminase 2 ⚠
  • p.Gly47Arg Multiple submitters ADA2-related disorder
  • p.Gly47Trp Multiple submitters deficiency of adenosine deaminase 2
  • p.His434_Pro435insTer Multiple submitters deficiency of adenosine deaminase 2
  • p.Met1Thr Multiple submitters deficiency of adenosine deaminase 2
  • p.Ser265Ter Multiple submitters Sneddon syndrome
  • p.Thr360Ala Multiple submitters deficiency of adenosine deaminase 2 ⚠
  • p.Tyr353fs Multiple submitters deficiency of adenosine deaminase 2
  • c.1082-1113del Single submitter
  • c.236_322+106del Single submitter deficiency of adenosine deaminase 2
  • c.753+2T>A Single submitter deficiency of adenosine deaminase 2
  • c.881+1G>A Single submitter deficiency of adenosine deaminase 2
  • c.882-1G>A Single submitter deficiency of adenosine deaminase 2
  • p.Arg49fs Single submitter deficiency of adenosine deaminase 2
  • p.Asn53fs Single submitter deficiency of adenosine deaminase 2
  • p.Asp347fs Single submitter Sneddon syndrome
  • p.Asp454_Tyr456del Single submitter deficiency of adenosine deaminase 2
  • p.Cys134Ter Single submitter deficiency of adenosine deaminase 2
  • p.Cys13Ter Single submitter deficiency of adenosine deaminase 2
  • p.Cys408Tyr Single submitter
  • p.Glu328Asp Single submitter deficiency of adenosine deaminase 2
  • p.Gly383Asp Single submitter deficiency of adenosine deaminase 2
  • p.His91fs Single submitter deficiency of adenosine deaminase 2
  • p.Ile245fs Single submitter deficiency of adenosine deaminase 2
  • p.Met1Lys Single submitter deficiency of adenosine deaminase 2
  • p.Met477fs Single submitter deficiency of adenosine deaminase 2
  • p.Phe80fs Single submitter deficiency of adenosine deaminase 2
  • p.Pro352fs Single submitter deficiency of adenosine deaminase 2
  • p.Ser483fs Single submitter deficiency of adenosine deaminase 2
  • p.Trp204Ter Single submitter deficiency of adenosine deaminase 2
  • p.Trp362_Gln363delinsCysTer Single submitter deficiency of adenosine deaminase 2
  • p.Trp362Ter Single submitter deficiency of adenosine deaminase 2
  • p.Trp399Ter Single submitter deficiency of adenosine deaminase 2
  • p.Tyr220Ter Single submitter deficiency of adenosine deaminase 2
  • p.Tyr456Cys Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Ala109Asp No assertion criteria deficiency of adenosine deaminase 2
  • p.Phe212del No assertion criteria Sneddon syndrome
  • p.Trp264Ser No assertion criteria deficiency of adenosine deaminase 2

Pathogenic/Likely pathogenic 13

  • p.Ala221fs Multiple submitters deficiency of adenosine deaminase 2
  • p.Arg169Gln Multiple submitters ADA2-related disorder ⚠
  • p.Arg169Trp Multiple submitters Sneddon syndrome
  • p.Asn370Lys Multiple submitters deficiency of adenosine deaminase 2
  • p.Gly383Ser Multiple submitters deficiency of adenosine deaminase 2 ⚠
  • p.Gly47Val Multiple submitters deficiency of adenosine deaminase 2
  • p.His112Gln Multiple submitters autoinflammatory syndrome
  • p.Lys314fs Multiple submitters deficiency of adenosine deaminase 2
  • p.Lys466fs Multiple submitters autoinflammatory syndrome
  • p.Pro251= Multiple submitters deficiency of adenosine deaminase 2
  • p.Pro251Leu Multiple submitters deficiency of adenosine deaminase 2 ⚠
  • p.Tyr453Cys Multiple submitters Sneddon syndrome ⚠
  • p.Val458Asp Multiple submitters deficiency of adenosine deaminase 2

Likely pathogenic 28

  • c.754-2A>G Multiple submitters deficiency of adenosine deaminase 2
  • p.Arg306Ter Multiple submitters Sneddon syndrome
  • c.1081+1G>T Single submitter deficiency of adenosine deaminase 2
  • c.1082-2A>G Single submitter deficiency of adenosine deaminase 2
  • c.1443-2A>G Single submitter deficiency of adenosine deaminase 2
  • c.322+1G>A Single submitter deficiency of adenosine deaminase 2
  • c.322+2T>A Single submitter deficiency of adenosine deaminase 2
  • c.323-2A>G Single submitter deficiency of adenosine deaminase 2
  • c.753+1G>A Single submitter deficiency of adenosine deaminase 2
  • c.972+1G>C Single submitter Sneddon syndrome
  • c.-46-108_542+142del Single submitter polyarteritis nodosa
  • c.-47+2T>C Single submitter deficiency of adenosine deaminase 2
  • p.Ala427fs Single submitter deficiency of adenosine deaminase 2
  • p.Asp502Gly Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Gln474Ter Single submitter deficiency of adenosine deaminase 2
  • p.Gly25fs Single submitter Sneddon syndrome
  • p.Gly364Arg Single submitter
  • p.Gly47Glu Single submitter deficiency of adenosine deaminase 2
  • p.Gly48Trp Single submitter deficiency of adenosine deaminase 2
  • p.His112Tyr Single submitter deficiency of adenosine deaminase 2
  • p.Leu183Pro Single submitter Sneddon syndrome
  • p.Lys401Ter Single submitter Sneddon syndrome
  • p.Ser483Arg Single submitter deficiency of adenosine deaminase 2
  • p.Trp123Cys Single submitter deficiency of adenosine deaminase 2
  • p.Trp123Ter Single submitter deficiency of adenosine deaminase 2
  • p.Tyr227fs Single submitter
  • p.Asp329fs No assertion criteria
  • p.Thr187Pro No assertion criteria deficiency of adenosine deaminase 2

Conflicting classifications of pathogenicity 28

  • c.1239+19G>A Single submitter deficiency of adenosine deaminase 2
  • c.1240-6G>A Single submitter autoinflammatory syndrome
  • c.754-5C>T Single submitter autoinflammatory syndrome
  • p.Ala357= Single submitter deficiency of adenosine deaminase 2
  • p.Ala357Thr Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Arg34Trp Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Arg49= Single submitter autoinflammatory syndrome
  • p.Arg9Trp Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Asn491fs Single submitter deficiency of adenosine deaminase 2
  • p.Asp442= Single submitter Sneddon syndrome
  • p.Glu489Asp Single submitter Sneddon syndrome ⚠
  • p.Gly321Glu Single submitter autoinflammatory syndrome ⚠
  • p.His91Arg Single submitter autoinflammatory syndrome ⚠
  • p.Ile462= Single submitter autoinflammatory syndrome
  • p.Ile93Thr Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Leu124= Single submitter Sneddon syndrome
  • p.Leu16= Single submitter deficiency of adenosine deaminase 2
  • p.Leu188Pro Single submitter Sneddon syndrome ⚠
  • p.Leu188Val Single submitter autoinflammatory syndrome ⚠
  • p.Met1Ile Single submitter deficiency of adenosine deaminase 2
  • p.Phe229= Single submitter deficiency of adenosine deaminase 2
  • p.Phe355Leu Single submitter autoinflammatory syndrome ⚠
  • p.Pro106Ser Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Pro193Leu Single submitter Sneddon syndrome ⚠
  • p.Pro435Ala Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Ser291Leu Single submitter deficiency of adenosine deaminase 2 ⚠
  • p.Thr380dup Single submitter Sneddon syndrome
  • p.Thr65Met Single submitter Sneddon syndrome ⚠

Benign 36

Benign/Likely benign 8

  • c.1081+18G>A Multiple submitters Sneddon syndrome
  • c.542+7A>G Multiple submitters deficiency of adenosine deaminase 2
  • c.882-11del Multiple submitters deficiency of adenosine deaminase 2
  • p.Arg171Trp Multiple submitters autoinflammatory syndrome ⚠
  • p.His335Arg Multiple submitters deficiency of adenosine deaminase 2
  • p.Met309Ile Multiple submitters autoinflammatory syndrome
  • p.Tyr220= Multiple submitters autoinflammatory syndrome
  • p.Val349Ile Multiple submitters autoinflammatory syndrome

Likely benign 182

  • c.1081+16G>T Multiple submitters deficiency of adenosine deaminase 2
  • c.1082-10G>A Multiple submitters deficiency of adenosine deaminase 2
  • c.1082-4T>G Multiple submitters deficiency of adenosine deaminase 2
  • c.753+7C>T Multiple submitters Sneddon syndrome
  • c.754-12del Multiple submitters deficiency of adenosine deaminase 2
  • c.754-8C>T Multiple submitters deficiency of adenosine deaminase 2
  • p.Arg230Gln Multiple submitters autoinflammatory syndrome
  • p.Asn185= Multiple submitters deficiency of adenosine deaminase 2
  • p.Asn239= Multiple submitters deficiency of adenosine deaminase 2
  • p.Asp261= Multiple submitters deficiency of adenosine deaminase 2
  • p.Glu234= Multiple submitters deficiency of adenosine deaminase 2
  • p.Ile301= Multiple submitters deficiency of adenosine deaminase 2
  • p.Ile382= Multiple submitters deficiency of adenosine deaminase 2
  • p.Leu46= Multiple submitters deficiency of adenosine deaminase 2
  • p.Leu475= Multiple submitters Sneddon syndrome
  • p.Lys499= Multiple submitters deficiency of adenosine deaminase 2
  • p.Phe24= Multiple submitters Sneddon syndrome
  • p.Ser29= Multiple submitters deficiency of adenosine deaminase 2
  • c.1081+10C>T Single submitter deficiency of adenosine deaminase 2
  • c.1081+11G>A Single submitter deficiency of adenosine deaminase 2
  • c.1081+12G>T Single submitter deficiency of adenosine deaminase 2
  • c.1081+16G>A Single submitter deficiency of adenosine deaminase 2
  • c.1081+17C>T Single submitter deficiency of adenosine deaminase 2
  • c.1081+18G>T Single submitter deficiency of adenosine deaminase 2
  • c.1081+19_1081+20insATCCCGCT Single submitter deficiency of adenosine deaminase 2
  • c.1081+19A>C Single submitter deficiency of adenosine deaminase 2
  • c.1081+20G>A Single submitter deficiency of adenosine deaminase 2
  • c.1081+7C>T Single submitter deficiency of adenosine deaminase 2
  • c.1081+8T>C Single submitter deficiency of adenosine deaminase 2
  • c.1082-11C>T Single submitter deficiency of adenosine deaminase 2
  • c.1082-12C>A Single submitter deficiency of adenosine deaminase 2
  • c.1082-69GACCCATCCATCCCCCATGGAAGACCA[3] Single submitter deficiency of adenosine deaminase 2
  • c.1239+10A>C Single submitter deficiency of adenosine deaminase 2
  • c.1239+20C>T Single submitter deficiency of adenosine deaminase 2
  • c.1239+9G>A Single submitter deficiency of adenosine deaminase 2
  • c.1240-14C>G Single submitter deficiency of adenosine deaminase 2
  • c.1240-15C>T Single submitter deficiency of adenosine deaminase 2
  • c.1240-16C>T Single submitter deficiency of adenosine deaminase 2
  • c.1240-19C>G Single submitter deficiency of adenosine deaminase 2
  • c.1240-4G>A Single submitter deficiency of adenosine deaminase 2
  • c.1240-4G>T Single submitter deficiency of adenosine deaminase 2
  • c.1240-5_1240-4delinsGA Single submitter deficiency of adenosine deaminase 2
  • c.1240-5C>T Single submitter deficiency of adenosine deaminase 2
  • c.1240-8T>C Single submitter deficiency of adenosine deaminase 2
  • c.1442+11_1442+12inv Single submitter deficiency of adenosine deaminase 2
  • c.1442+20C>G Single submitter deficiency of adenosine deaminase 2
  • c.1443-10C>A Single submitter deficiency of adenosine deaminase 2
  • c.1443-13C>T Single submitter deficiency of adenosine deaminase 2
  • c.1443-16C>T Single submitter deficiency of adenosine deaminase 2
  • c.1443-18C>T Single submitter deficiency of adenosine deaminase 2
  • c.1443-6C>G Single submitter deficiency of adenosine deaminase 2
  • c.1443-8del Single submitter deficiency of adenosine deaminase 2
  • c.322+14A>G Single submitter deficiency of adenosine deaminase 2
  • c.322+15G>A Single submitter deficiency of adenosine deaminase 2
  • c.322+9T>A Single submitter deficiency of adenosine deaminase 2
  • c.323-10C>T Single submitter deficiency of adenosine deaminase 2
  • c.323-11T>C Single submitter deficiency of adenosine deaminase 2
  • c.323-13C>T Single submitter deficiency of adenosine deaminase 2
  • c.323-16C>T Single submitter deficiency of adenosine deaminase 2
  • c.323-19A>G Single submitter deficiency of adenosine deaminase 2
  • c.323-8C>T Single submitter deficiency of adenosine deaminase 2
  • c.542+11G>A Single submitter deficiency of adenosine deaminase 2
  • c.542+18A>T Single submitter deficiency of adenosine deaminase 2
  • c.542+7_542+12del Single submitter deficiency of adenosine deaminase 2
  • c.543-13G>A Single submitter deficiency of adenosine deaminase 2
  • c.543-14C>T Single submitter deficiency of adenosine deaminase 2
  • c.543-18A>G Single submitter deficiency of adenosine deaminase 2
  • c.753+13C>G Single submitter deficiency of adenosine deaminase 2
  • c.753+14T>C Single submitter deficiency of adenosine deaminase 2
  • c.753+20C>G Single submitter deficiency of adenosine deaminase 2
  • c.753+20C>T Single submitter deficiency of adenosine deaminase 2
  • c.754-15G>A Single submitter deficiency of adenosine deaminase 2
  • c.754-20T>C Single submitter deficiency of adenosine deaminase 2
  • c.754-4C>A Single submitter deficiency of adenosine deaminase 2
  • c.881+12T>C Single submitter deficiency of adenosine deaminase 2
  • c.881+16G>A Single submitter deficiency of adenosine deaminase 2
  • c.881+7G>C Single submitter deficiency of adenosine deaminase 2
  • c.882-13G>A Single submitter deficiency of adenosine deaminase 2
  • c.882-13G>C Single submitter deficiency of adenosine deaminase 2
  • c.882-13G>T Single submitter deficiency of adenosine deaminase 2
  • c.882-17C>T Single submitter deficiency of adenosine deaminase 2
  • c.882-18T>G Single submitter deficiency of adenosine deaminase 2
  • c.882-19T>C Single submitter deficiency of adenosine deaminase 2
  • c.882-9_882-6del Single submitter deficiency of adenosine deaminase 2
  • c.972+10G>T Single submitter deficiency of adenosine deaminase 2
  • c.972+7del Single submitter deficiency of adenosine deaminase 2
  • c.972+8A>G Single submitter deficiency of adenosine deaminase 2
  • c.973-11C>G Single submitter deficiency of adenosine deaminase 2
  • c.973-15C>T Single submitter deficiency of adenosine deaminase 2
  • c.973-18T>C Single submitter deficiency of adenosine deaminase 2
  • c.973-20_973-16dup Single submitter deficiency of adenosine deaminase 2
  • c.973-7C>T Single submitter deficiency of adenosine deaminase 2
  • p.Ala247= Single submitter deficiency of adenosine deaminase 2
  • p.Ala308= Single submitter deficiency of adenosine deaminase 2
  • p.Ala35= Single submitter deficiency of adenosine deaminase 2
  • p.Arg103= Single submitter deficiency of adenosine deaminase 2
  • p.Arg34= Single submitter deficiency of adenosine deaminase 2
  • p.Arg422= Single submitter deficiency of adenosine deaminase 2
  • p.Arg9= Single submitter deficiency of adenosine deaminase 2
  • p.Asn100= Single submitter deficiency of adenosine deaminase 2
  • p.Asn174= Single submitter deficiency of adenosine deaminase 2
  • p.Asn370= Single submitter deficiency of adenosine deaminase 2
  • p.Asp179= Single submitter deficiency of adenosine deaminase 2
  • p.Asp226= Single submitter deficiency of adenosine deaminase 2
  • p.Asp368= Single submitter deficiency of adenosine deaminase 2
  • p.Asp420= Single submitter deficiency of adenosine deaminase 2
  • p.Glu262= Single submitter deficiency of adenosine deaminase 2
  • p.Glu271= Single submitter deficiency of adenosine deaminase 2
  • p.Glu278= Single submitter deficiency of adenosine deaminase 2
  • p.Glu406= Single submitter deficiency of adenosine deaminase 2
  • p.Glu457= Single submitter deficiency of adenosine deaminase 2
  • p.Glu487= Single submitter deficiency of adenosine deaminase 2
  • p.Glu56= Single submitter deficiency of adenosine deaminase 2
  • p.Glu57= Single submitter deficiency of adenosine deaminase 2
  • p.Gly108= Single submitter deficiency of adenosine deaminase 2
  • p.Gly142= Single submitter deficiency of adenosine deaminase 2
  • p.Gly25= Single submitter deficiency of adenosine deaminase 2
  • p.Gly326= Single submitter deficiency of adenosine deaminase 2
  • p.Gly331= Single submitter deficiency of adenosine deaminase 2
  • p.Gly348= Single submitter deficiency of adenosine deaminase 2
  • p.Gly385= Single submitter deficiency of adenosine deaminase 2
  • p.Gly433= Single submitter deficiency of adenosine deaminase 2
  • p.Gly464= Single submitter deficiency of adenosine deaminase 2
  • p.Gly47= Single submitter deficiency of adenosine deaminase 2
  • p.Gly48= Single submitter deficiency of adenosine deaminase 2
  • p.Gly5= Single submitter
  • p.His135= Single submitter deficiency of adenosine deaminase 2
  • p.His327= Single submitter
  • p.His356= Single submitter deficiency of adenosine deaminase 2
  • p.His36= Single submitter deficiency of adenosine deaminase 2
  • p.His434= Single submitter deficiency of adenosine deaminase 2
  • p.Ile118= Single submitter deficiency of adenosine deaminase 2
  • p.Ile288= Single submitter deficiency of adenosine deaminase 2
  • p.Ile343= Single submitter deficiency of adenosine deaminase 2
  • p.Ile403= Single submitter deficiency of adenosine deaminase 2
  • p.Ile68= Single submitter deficiency of adenosine deaminase 2
  • p.Leu113= Single submitter deficiency of adenosine deaminase 2
  • p.Leu183= Single submitter deficiency of adenosine deaminase 2
  • p.Leu324= Single submitter deficiency of adenosine deaminase 2
  • p.Leu351= Single submitter deficiency of adenosine deaminase 2
  • p.Leu37= Single submitter deficiency of adenosine deaminase 2
  • p.Leu417= Single submitter deficiency of adenosine deaminase 2
  • p.Leu485= Single submitter deficiency of adenosine deaminase 2
  • p.Leu52= Single submitter deficiency of adenosine deaminase 2
  • p.Lys338= Single submitter deficiency of adenosine deaminase 2
  • p.Lys346= Single submitter deficiency of adenosine deaminase 2
  • p.Lys401= Single submitter deficiency of adenosine deaminase 2
  • p.Lys72= Single submitter deficiency of adenosine deaminase 2
  • p.Lys90= Single submitter deficiency of adenosine deaminase 2
  • p.Phe138= Single submitter deficiency of adenosine deaminase 2
  • p.Phe148= Single submitter
  • p.Phe235= Single submitter deficiency of adenosine deaminase 2
  • p.Phe87= Single submitter
  • p.Pro193= Single submitter deficiency of adenosine deaminase 2
  • p.Pro316= Single submitter deficiency of adenosine deaminase 2
  • p.Pro344= Single submitter deficiency of adenosine deaminase 2
  • p.Pro392= Single submitter deficiency of adenosine deaminase 2
  • p.Pro443= Single submitter deficiency of adenosine deaminase 2
  • p.Pro81= Single submitter deficiency of adenosine deaminase 2
  • p.Pro82= Single submitter deficiency of adenosine deaminase 2
  • p.Ser205= Single submitter deficiency of adenosine deaminase 2
  • p.Ser291= Single submitter deficiency of adenosine deaminase 2
  • p.Ser439= Single submitter deficiency of adenosine deaminase 2
  • p.Thr190= Single submitter Sneddon syndrome
  • p.Thr198= Single submitter deficiency of adenosine deaminase 2
  • p.Thr279= Single submitter deficiency of adenosine deaminase 2
  • p.Thr317= Single submitter deficiency of adenosine deaminase 2
  • p.Thr330= Single submitter deficiency of adenosine deaminase 2
  • p.Thr379= Single submitter
  • p.Thr484= Single submitter deficiency of adenosine deaminase 2
  • p.Thr65= Single submitter deficiency of adenosine deaminase 2
  • p.Tyr130= Single submitter deficiency of adenosine deaminase 2
  • p.Tyr236= Single submitter deficiency of adenosine deaminase 2
  • p.Tyr456= Single submitter deficiency of adenosine deaminase 2
  • p.Val172= Single submitter deficiency of adenosine deaminase 2
  • p.Val202= Single submitter deficiency of adenosine deaminase 2
  • p.Val223= Single submitter deficiency of adenosine deaminase 2
  • p.Val272= Single submitter deficiency of adenosine deaminase 2
  • p.Val325= Single submitter deficiency of adenosine deaminase 2
  • p.Val407= Single submitter deficiency of adenosine deaminase 2
  • p.Val418= Single submitter deficiency of adenosine deaminase 2
  • p.Val426= Single submitter deficiency of adenosine deaminase 2

Uncertain significance 248