Variant detail
mut_id 303 · c.1045C>T · p.Arg349Cys
Evidence at a glance
5
Linked patients
5
Patient-variant records
7
Linked references
2
Countries reported
cTTP (5)
Common phenotype
compound_heterozygous (4)
Common zygosity
Summary
Point missense_variant Pathogenic Residue 349 AlphaMissense key R349C
HGVS
c.1045C>T
Protein change
p.Arg349Cys
rsID
rs281875288
ClinVar ID
68799
GRCh38 coordinate
133432645
Location
exon 9
gnomAD AF
0.00000320
Domain
Disintegrin
Gene
ADAMTS13
References
Inherited Thrombotic Thrombocytopenic Purpura Revealed by Recurrent Strokes in a Male Adult: Case Report and Literature Review
The International Hereditary Thrombotic Thrombocytopenic Purpura Registry: key findings at enrollment until 2017
Upshaw-Schulman Syndrome
ADAMTS13 gene mutations in children with hemolytic uremic syndrome
Reference 295
PA 4.19-4Characterization of hereditary thromboticthrombocytopenic purpura (TTP) from one of bloodcenters in China
Two cases of congenital thrombotic thrombocytopenicpurpura associated with pregnancy
Amino-acid property change
Residue substitution
R → C at 349
AlphaMissense score
0.5701
Likely pathogenic
CSV class: LPath
Hydrophobicity
hydrophilic → hydrophilic (unchanged)
Charge
postive → neutral
Polarity
polar → polar (unchanged)
Size
large → medium
Residue type
basic → Unknown
Typical protein position
surface → buried
Hydropathy index
-4.5 → 2.5
Molecular weight
174.2 → 121.2
Original residue details
R
· arginine
code: Arg
hydro: hydrophilic
charge: postive
polarity: polar
size: large
type: basic
code: Arg
hydro: hydrophilic
charge: postive
polarity: polar
size: large
type: basic
Variant residue details
C
· cysteine
code: Cys
hydro: hydrophilic
charge: neutral
polarity: polar
size: medium
type:
code: Cys
hydro: hydrophilic
charge: neutral
polarity: polar
size: medium
type:
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 349 highlighted in red.
AlphaFold Q76LX8 ADAMTS13 structure
Domain: Disintegrin
Domain colours match the homepage domain viewer.
Patient summary
Countries represented
China (3); Poland (2)
Phenotype
cTTP (5)
Zygosity
compound_heterozygous (4); homozygous (1)
Sex
female (3); male (2)
Pregnancy-related
no (4); yes (1)
Triggers
none (4); pregnancy (1)
Treatment
PI (3); unknown (1); PEX (1)
ADAMTS13 activity
n=5; median=3; range=1–5
Age of onset
n=5; median=16; range=1–22
Age of diagnosis
n=3; median=22; range=21–30
Platelet count
n=3; median=24; range=9–34
Variant fields
mut_syn_HGVS
c.1045C>T
cdna_numb_HGVS
1045
cdna_numb_legacy
1045
nt_change
C>T
n_bp
1
nuc_numb
1045
g_numb
g16
aa_numb_HGVS
349
aa_numb_legacy
349
aa_first
Arg
aa_last
Cys
aa_syn
p.Arg349Cys
codon_first
CGC
codon_last
TGC
coordinate_GRCh38
133432645
gnomAD_AC
5
gnomAD_AN
1559654
gnomAD_AF
0.00000320
clinvar_id
68799
clinvar_classification
Pathogenic
g_id
g16
g_name
ADAMTS13
comments
Pathogenic
refState
complete
ref_id
71, 72, 149, 256, 295, 311, 312, 332
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46 | 303 | 372 | 331 | cTTP | compound_heterozygous | China | female | 18 | 30 | <5 | 24 | no | none | unknown |
| 217 | 303 | . | 256 | cTTP | homozygous | China | female | 22 | 22 | <5 | 9 | yes | pregnancy | PEX |
| 222 | 303 | 131 | 149 | cTTP | compound_heterozygous | Poland | female | <1 | unknown | <3 | unknown | no | none | PI |
| 223 | 303 | 131 | 149 | cTTP | compound_heterozygous | Poland | male | <1 | unknown | <3 | unknown | no | none | PI |
| 259 | 303 | 65 | 295 | cTTP | compound_heterozygous | China | male | 16 | 21 | <1 | 34 | no | none | PI |