SFTPB — 253 ClinVar variants

All ClinVar germline SFTPB variants across every classification, each assembled from ClinVar, gnomAD, AlphaMissense, conservation and more. 92 flagged for review →

9 Pathogenic · 1 Pathogenic/Likely pathogenic · 9 Likely pathogenic · 19 Conflicting · 32 Benign · 13 Benign/Likely benign · 63 Likely benign · 107 Uncertain significance

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

⚑ Evidence disagreements 92

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 74

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

Predictors split 9

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

All SFTPB variants

Pathogenic 9

  • p.Pro121fs Multiple submitters hereditary pulmonary alveolar proteinosis
  • c.1084-1G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Arg252Cys Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg295Ter Single submitter hereditary pulmonary alveolar proteinosis
  • p.Cys49Tyr Single submitter
  • p.Gln194fs Single submitter hereditary pulmonary alveolar proteinosis
  • p.Leu122fs Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Trp292Ter Single submitter
  • p.Gly155= No assertion criteria surfactant metabolism dysfunction, pulmonary, 1

Pathogenic/Likely pathogenic 1

  • c.195+1G>A Multiple submitters surfactant metabolism dysfunction, pulmonary, 1

Likely pathogenic 9

  • c.268-2del Multiple submitters SFTPB-related disorder
  • c.195+4A>G Single submitter
  • c.583-1G>T Single submitter SFTPB-related disorder
  • p.Cys235Arg Single submitter SFTPB-related disorder
  • p.Cys302Gly Single submitter hereditary pulmonary alveolar proteinosis
  • p.Gln147Ter Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Gly244Ser Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Leu160fs Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Met109fs Single submitter surfactant metabolism dysfunction, pulmonary, 1

Conflicting classifications of pathogenicity 19

  • c.1083+7C>T Single submitter hereditary pulmonary alveolar proteinosis
  • c.583-15T>C Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.673-14C>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.-31C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Ala187Val Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Ala242Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg236Cys Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gly135Ser Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gly183Arg Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gly190= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Gly290Glu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly64Arg Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ile75= Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Leu14_Pro15insLeu Single submitter hereditary pulmonary alveolar proteinosis
  • p.Pro121Ala Single submitter SFTPB-related disorder ⚠
  • p.Pro182= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Pro344_Gln345insPro Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Thr260= Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Thr91Met Single submitter hereditary pulmonary alveolar proteinosis ⚠

Benign 32

Benign/Likely benign 13

  • c.268-20G>C Multiple submitters
  • c.393+9T>G Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • c.857-18del Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Ala226= Multiple submitters
  • p.Ala283Thr Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Arg236= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Arg272His Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Cys211= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Glu97= Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.His192= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Leu176Phe Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Ser197= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Thr343= Multiple submitters surfactant metabolism dysfunction, pulmonary, 1

Likely benign 63

  • c.1084-126C>G Multiple submitters
  • c.268-64T>A Multiple submitters
  • c.67+155C>T Multiple submitters
  • c.*1498T>C Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • c.*1848G>A Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Ala309= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Asp117= Multiple submitters hereditary pulmonary alveolar proteinosis
  • p.Pro379Arg Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Tyr119= Multiple submitters hereditary pulmonary alveolar proteinosis
  • c.1083+17_1083+18insG Single submitter
  • c.1084-9C>T Single submitter
  • c.196-12C>G Single submitter
  • c.196-240GGATG[5] Single submitter
  • c.268-18C>T Single submitter
  • c.393+172CA[9] Single submitter
  • c.393+89A>G Single submitter
  • c.393+93A>G Single submitter
  • c.583-19C>T Single submitter
  • c.673-17C>T Single submitter
  • c.673-8dup Single submitter
  • c.856+16del Single submitter
  • c.856+3G>A Single submitter
  • c.857-8A>G Single submitter
  • c.-69+102G>A Single submitter
  • c.*1591C>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1640T>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1877C>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1901C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1912G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Ala184= Single submitter
  • p.Ala187= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ala226Val Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ala83Thr Single submitter hereditary pulmonary alveolar proteinosis
  • p.Arg165Trp Single submitter hereditary pulmonary alveolar proteinosis
  • p.Arg286= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Asn101= Single submitter
  • p.Asn134= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Asp195= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Cys271= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Gln247= Single submitter
  • p.Gln48= Single submitter
  • p.Gln8= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Gly19= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Gly35= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ile78= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Leu14del Single submitter
  • p.Leu172= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Leu240= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Leu258= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Leu363= Single submitter
  • p.Leu56= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Met369Thr Single submitter hereditary pulmonary alveolar proteinosis
  • p.Phe95= Single submitter
  • p.Pro351Ser Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ser282= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ser370Phe Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ser371= Single submitter
  • p.Thr260Met Single submitter hereditary pulmonary alveolar proteinosis
  • p.Thr91= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Val350= Single submitter
  • p.Val63= Single submitter hereditary pulmonary alveolar proteinosis
  • p.Val63Ala Single submitter hereditary pulmonary alveolar proteinosis
  • p.Val76= Single submitter

Uncertain significance 107

  • c.582+5G>A Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • c.*922G>A Multiple submitters surfactant metabolism dysfunction, pulmonary, 1
  • p.Ala184Pro Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg165Gln Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg217Gln Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg276Gln Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Arg276Trp Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp118Asn Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Asp158His Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp380Asn Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gln337Leu Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Glu198Lys Multiple submitters SFTPB-related disorder ⚠
  • p.Glu314Lys Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly183Glu Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.His5Tyr Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Leu11Pro Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Leu14Pro Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Phe120Leu Multiple submitters ⚠
  • p.Pro204Leu Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Thr16Met Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Thr343Met Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • p.Tyr126Asp Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Val102Leu Multiple submitters surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Val237Met Multiple submitters hereditary pulmonary alveolar proteinosis ⚠
  • c.195+5G>A Single submitter
  • c.268-14C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.582+6G>A Single submitter
  • c.673-8C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.68-8A>G Single submitter
  • c.-109C>G Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.-59G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1488A>G Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1607G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1756C>G Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1805G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*1873T>G Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*2062C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*2143C>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*2173G>A Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*2366A>C Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • c.*902C>T Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Ala187Glu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ala187Thr Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ala309Thr Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ala31Pro Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ala356Thr Single submitter ⚠
  • p.Ala46Ser Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Arg146Gln Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg264His Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg272Cys Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Arg50Ile Single submitter ⚠
  • p.Asp125Asn Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Asp170Glu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp280Gly Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp355= Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Asp380Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp74Asn Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Asp90Asn Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Cys271Tyr Single submitter ⚠
  • p.Cys299Ser Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gln341Glu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gln374= Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Gln45Lys Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Glu251Lys Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Glu97Gly Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly141Asp Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly21Ser Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly244Asp Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Gly310Arg Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gly353Asp Single submitter ⚠
  • p.Gly364Arg Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Gly53Ala Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly5Glu Single submitter hereditary pulmonary alveolar proteinosis
  • p.His139Leu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.His377Tyr Single submitter ⚠
  • p.Ile124Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ile136Asn Single submitter hereditary pulmonary alveolar proteinosis
  • p.Ile256fs Single submitter surfactant metabolism dysfunction, pulmonary, 1
  • p.Ile317Thr Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Leu160Pro Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Leu164Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Leu261Gln Single submitter ⚠
  • p.Lys106Arg Single submitter ⚠
  • p.Lys94Asn Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Met138Thr Single submitter surfactant metabolism dysfunction, pulmonary, 1 ⚠
  • p.Met279Arg Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Met279Thr Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Met279Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Met321Val Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Phe338Leu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Pro159Arg Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Pro159Leu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Pro239Ser Single submitter ⚠
  • p.Ser157Leu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ser282Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ser29Tyr Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Ser313Arg Single submitter hereditary pulmonary alveolar proteinosis
  • p.Thr307Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Thr91Lys Single submitter ⚠
  • p.Trp329Leu Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Trp329Ser Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Val102Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Val255Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Val274Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Val305Met Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Val76Ile Single submitter hereditary pulmonary alveolar proteinosis ⚠
  • p.Gly21Asp No assertion criteria SFTPB-related disorder ⚠