Case#: Patient 55, 6 months old (age at report), female, Indian

DiseaseAssertion: MPS1-H

FamilyInfo: N/A

CasePresentingHPOs: Coarse facial features, hepatosplenomegaly, dysostosis multiplex (HP:0000280, HP:0001433, HP:0000943)

CaseHPOFreeText: Cardiac disease

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

CaseEnzymeAssay: 2.7% (Range of residual enzyme activity: 0.0%-4.8%)

CaseUrineGAGs: N/A

CaseERT: N/A

CaseBMT: N/A

Variant1: c.589G>A (p.Gly197Ser)

Variant1ClinVarID: 1526094

Variant1CAID: CA355961839

Variant2: c.1091C>T (p.Thr364Met)

Variant2ClinVarID: 11925

Variant2CAID: CA256126

AdditionalVariants: N/A

ParentalGenotype: N/A

PreviouslyPublished N/A

Case#: Patient 56, 4 years old (age at report), female, Indian

DiseaseAssertion: MPS1-H

FamilyInfo: N/A

CasePresentingHPOs: Coarse facial features, joint contractures (HP:0000280, HP:0002828)

CaseHPOFreeText: Cardiac disease

CaseNotHPOs: N/A

CaseNotHPOFreeText: N/A

CaseEnzymeAssay: 2.2% (Range of residual enzyme activity: 0.0%-4.8%)

CaseUrineGAGs: N/A

CaseERT: N/A

CaseBMT: N/A

Variant1: c.589G>A (p.Gly197Ser)

Variant1ClinVarID: 1526094

Variant1CAID: CA355961839

Variant2: c.1026G>A (p.Trp402Ter) in the article but this is not a valid variant. Could possible be c.1205G>A (p.Trp402Ter)

Variant2ClinVarID: N/A

Variant2CAID: N/A

AdditionalVariants: N/A

ParentalGenotype: N/A

PreviouslyPublished N/A

Case#: Patient 6, male, Han origin, 13 years old (age at diagnosis)

DiseaseAssertion: MPS1-H/S

FamilyInfo: N/A

CasePresentingHPOs: Macrocephaly (HP:0000256)

CaseHPOFreeText: Cardiac disease

CaseNotHPOs: Global Developmental Delay, Joint stiffness, Mongolian macula, Hepatosplenomegaly, Hernia, Airway obstruction (HP:0001263, HP:0001387, HP:0011369, HP:0001433, HP:0100790, HP:0006536)

CaseNotHPOFreeText: N/A

CaseEnzymeAssay: IDUA activity 0.2 nmol/h/mg protein. The normal range in Chinese controls was found to be 27.2–52 nmol/h/mg protein.

CaseUrineGAGs: Diagnosis was confirmed biochemically by the demonstration of an increased excretion of urinary dermatan sulfate and heparan sulfate.

CaseERT: N/A

CaseBMT: N/A

Variant1: c.236C>T (p.A79V)

Variant1ClinVarID: 1458769

Variant1CAID: CA356987

Variant2: c.589G>A (p.G197S)

Variant2ClinVarID: 1526094

Variant2CAID: CA355961839

AdditionalVariants: N/A

ParentalGenotype: The transmission of sequence variations found in each patient was inferred by sequencing the corresponding exons of the patient's parents - confirmed in trans by parental testing.

PreviouslyPublished N/A