Variant detail
mut_id 289 · c.703G>T · p.Asp235Tyr
Evidence at a glance
2
Linked patients
2
Patient-variant records
3
Linked references
2
Countries reported
cTTP (2)
Common phenotype
homozygous (1)
Common zygosity
Summary
Point missense_variant Conflicting classifications of pathogenicity Residue 235 AlphaMissense key D235Y
HGVS
c.703G>T
Protein change
p.Asp235Tyr
rsID
rs281875337
ClinVar ID
2136831
GRCh38 coordinate
133428650
Location
exon 7
gnomAD AF
0.00000228
Domain
Metalloprotease
Gene
ADAMTS13
References
Mutations and Common Polymorphisms in ADAMTS13 and vWF Genes Responsible for Increasing Risk of Thrombosis
Congenital late onset thrombotic thrombocytopenic purpura: a diagnostic challenge
Two cases of congenital thrombotic thrombocytopenicpurpura associated with pregnancy
Amino-acid property change
Residue substitution
D → Y at 235
AlphaMissense score
0.9331
Likely pathogenic
CSV class: LPath
Hydrophobicity
hydrophilic → hydrophobic
Charge
negative → neutral
Polarity
polar → polar (unchanged)
Size
medium → large
Residue type
acidic → aromatic
Typical protein position
surface → surface (unchanged)
Hydropathy index
-3.5 → -1.3
Molecular weight
133.1 → 181.2
Original residue details
D
· aspartic acid
code: Asp
hydro: hydrophilic
charge: negative
polarity: polar
size: medium
type: acidic
code: Asp
hydro: hydrophilic
charge: negative
polarity: polar
size: medium
type: acidic
Variant residue details
Y
· tyrosine
code: Tyr
hydro: hydrophobic
charge: neutral
polarity: polar
size: large
type: aromatic
code: Tyr
hydro: hydrophobic
charge: neutral
polarity: polar
size: large
type: aromatic
Interactive AlphaFold structure
Interactive local 3D view of the AlphaFold Q76LX8 ADAMTS13 structure.
Drag to rotate, shift-drag to move, and use the mouse wheel to zoom in and out. The default view shows the full ADAMTS13 structure, with residue 235 highlighted in red.
AlphaFold Q76LX8 ADAMTS13 structure
Domain: Metalloprotease
Domain colours match the homepage domain viewer.
Patient summary
Countries represented
Italy (1); Germany (1)
Phenotype
cTTP (2)
Zygosity
homozygous (1); compound_heterozygous (1)
Sex
female (2)
Pregnancy-related
yes (1); unknown (1)
Triggers
pregnancy (1); none (1)
Treatment
on-demand PI (2)
ADAMTS13 activity
n=2; median=4; range=2–6
Age of onset
n=2; median=20.5; range=17–24
Age of diagnosis
Not available
Platelet count
Not available
Variant fields
mut_syn_HGVS
c.703G>T
cdna_numb_HGVS
703
cdna_numb_legacy
703
nt_change
G>T
n_bp
1
nuc_numb
703
g_numb
g16
aa_numb_HGVS
235
aa_numb_legacy
235
aa_first
Asp
aa_last
Tyr
aa_syn
p.Asp235Tyr
codon_first
GAC
codon_last
TAC
coordinate_GRCh38
133428650
gnomAD_AC
3
gnomAD_AN
1315750
gnomAD_AF
0.00000228
clinvar_id
2136831
clinvar_classification
Conflicting classifications of pathogenicity
g_id
g16
g_name
ADAMTS13
comments
Uncertain significance
refState
complete
ref_id
220, 233, 312, 321
Patients linked by mut_id
| patient_id | mut_id | compound_partner_mut_id | ref_id | phenotype | zygosity | country | sex | age_of_onset | age_of_diagnosis | ad13_activity | platelet_count | pregnancy_related | triggers | treatment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 215 | 289 | . | 233 | cTTP | homozygous | Italy | female | 24 | unknown | <6 | unknown | yes | pregnancy | on-demand PI |
| 327 | 289 | 152 | 220 | cTTP | compound_heterozygous | Germany | female | 17 | unknown | <2 | unknown | unknown | none | on-demand PI |