SDHD — 756 ClinVar variants

All ClinVar germline SDHD variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 347 flagged for review →

72 Pathogenic · 21 Pathogenic/Likely pathogenic · 27 Likely pathogenic · 50 Conflicting · 22 Benign · 50 Benign/Likely benign · 138 Likely benign · 376 Uncertain significance

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

⚑ Evidence disagreements 347

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 24

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

Predicted LoF vs a conflicting call 3

ClinVar submitters conflict, and it's a predicted loss-of-function change in a gene where LoF causes disease — flagged for review, not resolved (verify NMD-escape for C-terminal truncations). Non-missense.

Predictors lean, ClinVar uncertain 190

ClinVar classifies these uncertain (VUS), but the independent predictors unanimously lean one way — a triage signal for review, not a reclassification. · showing the 150 best-reviewed of 190

Predictors split 130

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

All SDHD variants

Pathogenic 72

  • c.170-1G>T Multiple submitters Paragangliomas with sensorineural hearing loss
  • c.314+1G>A Multiple submitters Paragangliomas with sensorineural hearing loss
  • c.314+1G>T Multiple submitters hereditary neoplastic syndrome
  • p.Ala33fs Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Arg22Ter Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Arg38Ter Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Asp113Ter Multiple submitters pheochromocytoma
  • p.Gln109fs Multiple submitters pheochromocytoma
  • p.Gln109Ter Multiple submitters pheochromocytoma
  • p.Gln36Ter Multiple submitters pheochromocytoma
  • p.Gln47Ter Multiple submitters Carney-Stratakis syndrome
  • p.Gly58fs Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.His102Leu Multiple submitters pheochromocytoma
  • p.Ile49fs Multiple submitters Cowden syndrome 3
  • p.Leu128fs Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Leu139Pro Multiple submitters hereditary neoplastic syndrome
  • p.Leu19fs Multiple submitters Cowden syndrome 3
  • p.Leu20fs Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Met1Ile Multiple submitters pheochromocytoma
  • p.Met1Leu Multiple submitters hereditary neoplastic syndrome
  • p.Pro81fs Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Ser52Ter Multiple submitters Carney-Stratakis syndrome
  • p.Thr100fs Multiple submitters Cowden syndrome 3
  • p.Trp105Ter Multiple submitters pheochromocytoma
  • p.Trp66Ter Multiple submitters hereditary neoplastic syndrome
  • p.Tyr114Cys Multiple submitters SDHD-related disorder
  • p.Tyr114fs Multiple submitters hereditary neoplastic syndrome
  • p.Tyr114Ter Multiple submitters hereditary neoplastic syndrome
  • c.169+1G>A Single submitter Carney-Stratakis syndrome
  • c.169+1G>T Single submitter Carney-Stratakis syndrome
  • c.169+5G>T Single submitter pheochromocytoma
  • c.170-1G>C Single submitter Inherited phaeochromocytoma and paraganglioma excluding NF1
  • c.314+1G>C Single submitter hereditary neoplastic syndrome
  • c.314+3A>T Single submitter
  • c.317delG Single submitter hereditary neoplastic syndrome
  • c.52+2T>C Single submitter pheochromocytoma
  • c.53-3C>G Single submitter hereditary neoplastic syndrome
  • p.Ala90fs Single submitter hereditary neoplastic syndrome
  • p.Ala96fs Single submitter hereditary neoplastic syndrome
  • p.Ala97fs Single submitter pheochromocytoma
  • p.Asp118fs Single submitter pheochromocytoma
  • p.Asp92fs Single submitter Carney-Stratakis syndrome
  • p.Cys44Ter Single submitter Carney-Stratakis syndrome
  • p.Cys88Ter Single submitter pheochromocytoma
  • p.Glu42fs Single submitter Carney-Stratakis syndrome
  • p.Glu42Ter Single submitter hereditary neoplastic syndrome
  • p.Glu69fs Single submitter pheochromocytoma
  • p.Glu69Ter Single submitter Paragangliomas with sensorineural hearing loss
  • p.Gly78fs Single submitter pheochromocytoma
  • p.His30fs Single submitter hereditary neoplastic syndrome
  • p.Leu129fs Single submitter hereditary neoplastic syndrome
  • p.Leu4fs Single submitter pheochromocytoma
  • p.Leu75fs Single submitter Paragangliomas with sensorineural hearing loss
  • p.Leu80Arg Single submitter Paragangliomas with sensorineural hearing loss
  • p.Leu95fs Single submitter Carney-Stratakis syndrome
  • p.Leu99fs Single submitter
  • p.Lys122Ter Single submitter hereditary neoplastic syndrome
  • p.Pro24fs Single submitter hereditary neoplastic syndrome
  • p.Ser132Ter Single submitter pheochromocytoma/paraganglioma syndrome 1
  • p.Ser32Ter Single submitter pheochromocytoma
  • p.Ser59fs Single submitter pheochromocytoma
  • p.Ser68fs Single submitter Carney-Stratakis syndrome
  • p.Thr112fs Single submitter pheochromocytoma
  • p.Trp5fs Single submitter Cowden syndrome 3
  • p.Trp66fs Single submitter pheochromocytoma
  • p.Tyr93del Single submitter hereditary neoplastic syndrome
  • p.Val111delinsPhePheArgGlyLeuGlnTer Single submitter pheochromocytoma
  • p.Val46fs Single submitter Carney-Stratakis syndrome
  • c.1_169del No assertion criteria hereditary pheochromocytoma-paraganglioma
  • p.Asp113fs No assertion criteria pheochromocytoma/paraganglioma syndrome 1
  • p.Asp92Gly No assertion criteria mitochondrial complex 2 deficiency, nuclear type 3
  • p.Trp105fs No assertion criteria hereditary pheochromocytoma-paraganglioma

Pathogenic/Likely pathogenic 21

  • c.170-2A>G Multiple submitters Cowden syndrome 3
  • c.315-2A>C Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.315-2A>T Multiple submitters Carney-Stratakis syndrome
  • p.Ala130fs Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Asp92Tyr Multiple submitters Cowden syndrome 3
  • p.Cys150fs Multiple submitters hereditary neoplastic syndrome
  • p.Gln121Ter Multiple submitters Carney-Stratakis syndrome
  • p.Gly106Asp Multiple submitters Carney-Stratakis syndrome
  • p.Gly106Val Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Gly138Arg Multiple submitters Cowden syndrome 3
  • p.His102Arg Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.His102Asn Multiple submitters Cowden syndrome 3
  • p.His102fs Multiple submitters hereditary neoplastic syndrome
  • p.His102Pro Multiple submitters pheochromocytoma
  • p.His102Tyr Multiple submitters pheochromocytoma ⚠
  • p.His50fs Multiple submitters pheochromocytoma
  • p.Leu107Arg Multiple submitters mitochondrial complex 2 deficiency, nuclear type 3
  • p.Leu95Pro Multiple submitters hereditary neoplastic syndrome
  • p.Pro81Leu Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Ser132fs Multiple submitters pheochromocytoma
  • p.Tyr114Asp Multiple submitters hereditary neoplastic syndrome

Likely pathogenic 27

  • c.315-1G>A Multiple submitters mitochondrial complex 2 deficiency, nuclear type 3
  • c.53-2A>G Multiple submitters
  • p.Arg70Met Multiple submitters SDHD-related disorder
  • p.Asp92Val Multiple submitters hereditary neoplastic syndrome
  • p.Leu107Pro Multiple submitters hereditary neoplastic syndrome
  • c.169+5G>C Single submitter pheochromocytoma
  • c.314+4A>T Single submitter hereditary neoplastic syndrome
  • c.315-2A>G Single submitter Carney-Stratakis syndrome
  • c.44_52+24del Single submitter Carney-Stratakis syndrome
  • c.53-2A>C Single submitter pheochromocytoma
  • p.Ala133fs Single submitter Inherited phaeochromocytoma and paraganglioma excluding NF1
  • p.Ala90_Ser94del Single submitter hereditary pheochromocytoma-paraganglioma
  • p.Arg38fs Single submitter pheochromocytoma
  • p.Gly108fs Single submitter
  • p.Gly148fs Single submitter pheochromocytoma/paraganglioma syndrome 1
  • p.Leu139Arg Single submitter Paragangliomas with sensorineural hearing loss
  • p.Leu64fs Single submitter
  • p.Met91fs Single submitter Inherited phaeochromocytoma and paraganglioma excluding NF1
  • p.Phe142fs Single submitter pheochromocytoma/paraganglioma syndrome 1
  • p.Ser73fs Single submitter pheochromocytoma/paraganglioma syndrome 1
  • p.Trp43Ter Single submitter pheochromocytoma/paraganglioma syndrome 1
  • p.Tyr114Asn Single submitter hereditary neoplastic syndrome
  • p.Tyr93dup Single submitter hereditary neoplastic syndrome
  • p.Val72del Single submitter hereditary neoplastic syndrome
  • c.315-1681_315-1666del No assertion criteria SDHD-related disorder
  • p.Ile40fs No assertion criteria pheochromocytoma/paraganglioma syndrome 1
  • p.Leu139fs No assertion criteria

Conflicting classifications of pathogenicity 50

Benign 22

Benign/Likely benign 50

  • c.170-29A>G Multiple submitters mitochondrial complex 2 deficiency, nuclear type 3
  • c.314+20del Multiple submitters hereditary neoplastic syndrome
  • c.315-13del Multiple submitters Carney-Stratakis syndrome
  • c.315-13dup Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.315-32T>C Multiple submitters Paragangliomas with sensorineural hearing loss
  • c.53-52_53-49del Multiple submitters pheochromocytoma
  • c.*428A>G Multiple submitters hereditary pheochromocytoma-paraganglioma
  • p.Ala124= Multiple submitters hereditary neoplastic syndrome
  • p.Ala61= Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Ala96= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Ala97= Multiple submitters hereditary neoplastic syndrome
  • p.Arg27Lys Multiple submitters Cowden syndrome 3
  • p.Arg38= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Asn143= Multiple submitters hereditary neoplastic syndrome
  • p.Asp118= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Asp146= Multiple submitters pheochromocytoma
  • p.Cys88= Multiple submitters pheochromocytoma
  • p.Gln109= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Gln47= Multiple submitters hereditary neoplastic syndrome
  • p.Gly106= Multiple submitters hereditary pheochromocytoma-paraganglioma
  • p.Gly117= Multiple submitters hereditary neoplastic syndrome
  • p.Gly138= Multiple submitters hereditary neoplastic syndrome
  • p.Gly148= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.His104= Multiple submitters mitochondrial complex 2 deficiency, nuclear type 3
  • p.His145= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.His50Arg Multiple submitters Carney-Stratakis syndrome ⚠
  • p.His55= Multiple submitters hereditary pheochromocytoma-paraganglioma
  • p.Ile31= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Leu131= Multiple submitters Carney-Stratakis syndrome
  • p.Leu156= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Leu19= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Leu64= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Leu77= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Leu99= Multiple submitters pheochromocytoma
  • p.Lys122= Multiple submitters hereditary pheochromocytoma-paraganglioma
  • p.Lys60= Multiple submitters Carney-Stratakis syndrome
  • p.Pro53= Multiple submitters Carney-Stratakis syndrome
  • p.Pro81= Multiple submitters hereditary neoplastic syndrome
  • p.Ser132= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Ser57= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Ser59= Multiple submitters hereditary neoplastic syndrome
  • p.Ser68= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Ser94= Multiple submitters Cowden syndrome 3
  • p.Ter160= Multiple submitters hereditary neoplastic syndrome
  • p.Thr23= Multiple submitters hereditary neoplastic syndrome
  • p.Tyr114= Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Val115= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Val26= Multiple submitters pheochromocytoma
  • p.Val46= Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • p.Val72= Multiple submitters pheochromocytoma

Likely benign 138

  • c.170-10C>T Multiple submitters pheochromocytoma
  • c.170-11C>T Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.170-12T>C Multiple submitters Carney-Stratakis syndrome
  • c.170-13G>A Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.170-14G>C Multiple submitters Carney-Stratakis syndrome
  • c.170-18A>C Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.170-19A>G Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.170-6T>C Multiple submitters hereditary pheochromocytoma-paraganglioma
  • c.314+7A>T Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.314+8T>C Multiple submitters Carney-Stratakis syndrome
  • c.315-14T>C Multiple submitters pheochromocytoma
  • c.315-4T>G Multiple submitters Cowden syndrome 3
  • c.315-8T>C Multiple submitters hereditary pheochromocytoma-paraganglioma
  • c.53-14G>A Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.53-17A>G Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.53-20C>T Multiple submitters pheochromocytoma
  • c.53-5C>T Multiple submitters pheochromocytoma/paraganglioma syndrome 1
  • c.53-6C>T Multiple submitters Paragangliomas with sensorineural hearing loss
  • p.Ala130= Multiple submitters pheochromocytoma
  • p.Ala137= Multiple submitters Carney-Stratakis syndrome
  • p.Ala2= Multiple submitters pheochromocytoma
  • p.Ala33= Multiple submitters Cowden syndrome 3
  • p.Arg70= Multiple submitters hereditary neoplastic syndrome
  • p.Glu69= Multiple submitters hereditary neoplastic syndrome
  • p.His30= Multiple submitters hereditary neoplastic syndrome
  • p.His50= Multiple submitters pheochromocytoma
  • p.Leu20= Multiple submitters hereditary neoplastic syndrome
  • p.Leu95= Multiple submitters Carney-Stratakis syndrome
  • p.Pro24= Multiple submitters hereditary neoplastic syndrome
  • p.Pro41= Multiple submitters pheochromocytoma
  • p.Tyr84= Multiple submitters pheochromocytoma
  • c.169+11T>C Single submitter pheochromocytoma
  • c.169+13C>T Single submitter pheochromocytoma
  • c.169+14A>G Single submitter pheochromocytoma
  • c.169+16C>T Single submitter pheochromocytoma
  • c.169+17G>A Single submitter Cowden syndrome 3
  • c.169+20G>T Single submitter Cowden syndrome 3
  • c.169+34_169+37dup Single submitter
  • c.169+7TC[2] Single submitter pheochromocytoma
  • c.169+7TC[4] Single submitter pheochromocytoma
  • c.169+8C>T Single submitter pheochromocytoma
  • c.169+9T>G Single submitter pheochromocytoma
  • c.170-10C>A Single submitter Carney-Stratakis syndrome
  • c.170-20G>A Single submitter Carney-Stratakis syndrome
  • c.170-20G>C Single submitter pheochromocytoma
  • c.170-249C>A Single submitter
  • c.170-250T>A Single submitter
  • c.170-37C>T Single submitter
  • c.170-4del Single submitter hereditary neoplastic syndrome
  • c.170-5dup Single submitter hereditary neoplastic syndrome
  • c.170-8T>A Single submitter Paragangliomas with sensorineural hearing loss
  • c.170-9T>C Single submitter pheochromocytoma
  • c.314+10G>A Single submitter pheochromocytoma
  • c.314+12A>G Single submitter pheochromocytoma
  • c.314+13A>G Single submitter pheochromocytoma
  • c.314+15T>A Single submitter pheochromocytoma
  • c.314+17C>G Single submitter pheochromocytoma
  • c.314+17C>T Single submitter Carney-Stratakis syndrome
  • c.314+18A>C Single submitter Cowden syndrome 3
  • c.314+19A>G Single submitter pheochromocytoma
  • c.314+8T>G Single submitter Carney-Stratakis syndrome
  • c.315-11T>C Single submitter pheochromocytoma
  • c.315-12C>A Single submitter pheochromocytoma
  • c.315-12dup Single submitter Carney-Stratakis syndrome
  • c.315-1522del Single submitter
  • c.315-1629C>T Single submitter
  • c.315-1647T>C Single submitter
  • c.315-1653C>T Single submitter
  • c.315-1683C>T Single submitter
  • c.315-1686C>A Single submitter
  • c.315-16T>G Single submitter Carney-Stratakis syndrome
  • c.315-1735T>G Single submitter
  • c.315-1845A>G Single submitter
  • c.315-18T>A Single submitter Carney-Stratakis syndrome
  • c.315-18T>G Single submitter Carney-Stratakis syndrome
  • c.315-19A>G Single submitter pheochromocytoma
  • c.315-3del Single submitter Cowden syndrome 3
  • c.315-50A>G Single submitter
  • c.315-6C>T Single submitter pheochromocytoma
  • c.315-9T>G Single submitter pheochromocytoma
  • c.52+10C>T Single submitter pheochromocytoma
  • c.52+11T>C Single submitter pheochromocytoma
  • c.52+18C>T Single submitter Paragangliomas with sensorineural hearing loss
  • c.52+19C>G Single submitter pheochromocytoma
  • c.52+6G>A Single submitter pheochromocytoma
  • c.53-12C>G Single submitter Carney-Stratakis syndrome
  • c.53-12C>T Single submitter pheochromocytoma
  • c.53-13A>G Single submitter pheochromocytoma
  • c.53-15T>C Single submitter Cowden syndrome 3
  • c.53-18T>A Single submitter pheochromocytoma
  • c.53-18T>C Single submitter Carney-Stratakis syndrome
  • c.53-19C>T Single submitter pheochromocytoma/paraganglioma syndrome 1
  • c.53-4T>C Single submitter pheochromocytoma/paraganglioma syndrome 1
  • c.53-8_53-7del Single submitter Carney-Stratakis syndrome
  • c.53-8T>C Single submitter pheochromocytoma/paraganglioma syndrome 1
  • c.53-9T>C Single submitter pheochromocytoma/paraganglioma syndrome 1
  • c.*186A>G Single submitter
  • p.Ala119= Single submitter Carney-Stratakis syndrome
  • p.Ala123= Single submitter hereditary neoplastic syndrome
  • p.Ala126= Single submitter Cowden syndrome 3
  • p.Ala133= Single submitter pheochromocytoma
  • p.Ala18= Single submitter hereditary neoplastic syndrome
  • p.Ala62= Single submitter Paragangliomas with sensorineural hearing loss
  • p.Ala82= Single submitter Carney-Stratakis syndrome
  • p.Ala83= Single submitter hereditary neoplastic syndrome
  • p.Ala9= Single submitter pheochromocytoma
  • p.Ala90= Single submitter Cowden syndrome 3
  • p.Ala98Thr Single submitter hereditary neoplastic syndrome
  • p.Asp92= Single submitter Paragangliomas with sensorineural hearing loss
  • p.Gln121= Single submitter Cowden syndrome 3
  • p.Gln36= Single submitter pheochromocytoma
  • p.Gly78= Single submitter hereditary neoplastic syndrome
  • p.His102= Single submitter hereditary neoplastic syndrome
  • p.His116= Single submitter Cowden syndrome 3
  • p.His56= Single submitter hereditary neoplastic syndrome
  • p.His65= Single submitter pheochromocytoma
  • p.Ile40= Single submitter hereditary neoplastic syndrome
  • p.Leu101= Single submitter pheochromocytoma
  • p.Leu129= Single submitter hereditary neoplastic syndrome
  • p.Leu159= Single submitter Carney-Stratakis syndrome
  • p.Leu20Phe Single submitter hereditary neoplastic syndrome
  • p.Leu75= Single submitter Carney-Stratakis syndrome
  • p.Lys125= Single submitter Carney-Stratakis syndrome
  • p.Pro28= Single submitter Carney-Stratakis syndrome
  • p.Pro87= Single submitter Carney-Stratakis syndrome
  • p.Ser32= Single submitter hereditary neoplastic syndrome
  • p.Ser63= Single submitter Carney-Stratakis syndrome
  • p.Ser73= Single submitter Paragangliomas with sensorineural hearing loss
  • p.Thr100= Single submitter hereditary neoplastic syndrome
  • p.Thr112= Single submitter Carney-Stratakis syndrome
  • p.Thr67= Single submitter Carney-Stratakis syndrome
  • p.Tyr144= Single submitter hereditary neoplastic syndrome
  • p.Tyr93= Single submitter hereditary neoplastic syndrome
  • p.Val153= Single submitter hereditary neoplastic syndrome
  • p.Val25= Single submitter Cowden syndrome 3
  • p.Val71= Single submitter Cowden syndrome 3
  • c.315-1665T>C No assertion criteria EBV-positive nodal T- and NK-cell lymphoma
  • c.315-1728C>T No assertion criteria SDHD-related disorder

Uncertain significance 376

Showing the top 300 by review status; the full set is in the sitemap.