12-70754295-C-T
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_002849.4(PTPRR):c.634G>A(p.Val212Ile) variant causes a missense change. The variant allele was found at a frequency of 0.00000124 in 1,613,036 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
PTPRR
NM_002849.4 missense
NM_002849.4 missense
Scores
4
5
8
Clinical Significance
Conservation
PhyloP100: 6.39
Genes affected
PTPRR (HGNC:9680): (protein tyrosine phosphatase receptor type R) The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP possesses an extracellular region, a single transmembrane region, and a single intracellular catalytic domain, and thus represents a receptor-type PTP. Silencing of this gene has been associated with colorectal cancer. Multiple transcript variants encoding different isoforms have been found for this gene. This gene shares a symbol (PTPRQ) with another gene, protein tyrosine phosphatase, receptor type, Q (GeneID 374462), which is also located on chromosome 12. [provided by RefSeq, May 2011]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
PTPRR | NM_002849.4 | c.634G>A | p.Val212Ile | missense_variant | 5/14 | ENST00000283228.7 | |
LOC124902960 | XR_007063361.1 | n.629-19142C>T | intron_variant, non_coding_transcript_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
PTPRR | ENST00000283228.7 | c.634G>A | p.Val212Ile | missense_variant | 5/14 | 1 | NM_002849.4 | P3 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152158Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 6.85e-7 AC: 1AN: 1460878Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0AN XY: 726752
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GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152158Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74336
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Jul 05, 2023 | The c.634G>A (p.V212I) alteration is located in exon 5 (coding exon 5) of the PTPRR gene. This alteration results from a G to A substitution at nucleotide position 634, causing the valine (V) at amino acid position 212 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
Cadd
Uncertain
Dann
Uncertain
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D;D;D
M_CAP
Benign
D
MetaRNN
Uncertain
T;T;T
MetaSVM
Benign
T
MutationTaster
Benign
D;D;D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;N
REVEL
Benign
Sift
Pathogenic
D;D;D
Sift4G
Pathogenic
D;D;T
Polyphen
D;D;.
Vest4
MutPred
0.13
.;Loss of catalytic residue at V212 (P = 0.0999);.;
MVP
MPC
0.50
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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Score
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at