SH2B3 c.784T>C, p.Trp262Arg

NM_005475.2:c.784T>C
COSM4985153

Classification Summary

Likely Benign

The final classification for NM_005475.2:c.784T>C in gene SH2B3 is Likely Benign. This classification is supported by multiple benign criteria including computational evidence suggesting no impact on gene function (BP4), reports from reputable sources indicating benign classification (BP6), and a high allele frequency inconsistent with pathogenicity (BA1).

Population Frequency
66.8%
Common
ClinVar Classification
Benign
0 publications
REVEL Score
0.172
Likely Benign
COSMIC Recurrence
28 occurrences
PM1 Criterion Applied
Classification Evidence
Very Strong (PVS)
None applied
Strong (PS/BS)
BA1
Moderate (PM/BA)
None applied
Supporting (PP/BP)
BP4 BP6
Created: 2025-04-06T01:04:41.669625

Genetic Information

Gene & Transcript Details
Gene
SH2B3
Transcript
NM_005475.3 MANE Select
Total Exons
8
Strand
Forward (+)
Reference Sequence
NC_000012.11
Alternative Transcripts
ID Status Details
NM_005475.2 RefSeq Select 8 exons | Forward
NM_005475.1 Alternative 8 exons | Forward
Variant Details
HGVS Notation
NM_005475.2:c.784T>C
Protein Change
W262R
Location
Exon 3 (Exon 3 of 8)
3
5' Exon Structure (8 total) 3'
Functional Consequence
Missense Variant
Related Variants
No evidence of other pathogenic variants at position 262 in gene SH2B3
Alternate Identifiers
COSM4985153
Variant interpretation based on transcript NM_005475.3

Clinical Evidence

Population Frequency
Global Frequency
66.8%
Common
Highest in Population
East Asian
99.9%
Common
Global: 66.8%
East Asian: 99.9%
0%
0.0005%
0.001%
0.01%
0.05%
1%+
Allele Information
Total: 251784 Alt: 168200 Homozygotes: 60933
ACMG Criteria Applied
BA1
This variant is common in the population (66.800000% MAF).
ClinVar 2025-04-06T01:04:05.576899
Classification
Benign
Based on 3 submitter reviews in ClinVar
Submitter Breakdown
3 B
Pathogenic
Likely Pathogenic
VUS
Likely Benign
Benign
Publications
0 publications
Clinical Statement
This variant has been reported in ClinVar as Benign (3 clinical laboratories).
COSMIC
COSMIC ID
COSM4985153
Recurrence
28 occurrences
PM1 Criteria
Applied
Criterion PM1 is applied based on the high recurrence in COSMIC database.
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Functional Domain
Hotspot Status
Not a hotspot
Domain Summary

This variant is not located in a mutational hotspot or critical domain (0 mutations).

Related Variants in This Domain
No evidence of other pathogenic variants at position 262 in gene SH2B3

Functional Studies

Functional Impact
Summary
The variant SH2B3 W262R has not been functionally characterized in the provided sources.

Computational Evidence

Pathogenicity Predictions
REVEL Score
0.172
0.172
Likely Benign 0.0
Uncertain (Low) 0.2
Uncertain (Med) 0.5
Likely Pathogenic 0.75
REVEL scores ≥ 0.75 are considered strong evidence of pathogenicity (PP3)
Predictor Consensus
Unknown
PP3 Applied
No
SpliceAI Scores Window: ±500bp
Effect Type Score Position
- Acceptor Loss
0.0
108 bp
- Donor Loss
0.0
167 bp
+ Acceptor Gain
0.06
-51 bp
+ Donor Gain
0.03
50 bp
High impact (≥0.5)
Medium impact (0.2-0.49)
Low impact (<0.2)

VCEP Guidelines

Applied ACMG/AMP Criteria
BP4
BP4 (Supporting)
According to standard ACMG guidelines: 'Multiple lines of computational evidence suggest no impact.' The evidence for this variant shows: Insufficient in silico prediction data; SpliceAI predicts no impact on splicing. Therefore, this criterion meets the requirements because the computational evidence indicates a lack of deleterious effect.
BP6
BP6 (Supporting)
According to standard ACMG guidelines: 'Reputable source reports variant as benign, but without accessible evidence.' The evidence for this variant shows: This variant has been reported in ClinVar as Benign by 3 clinical laboratories. Therefore, this criterion meets the requirements because it is supported by multiple reputable sources.
BA1
BA1 (Strong) Strength Modified
According to standard ACMG guidelines: 'Allele frequency is too high for the disorder.' The evidence for this variant shows: MAF = 66.8% in gnomAD, indicating it is common and not consistent with a pathogenic variant. Therefore, this criterion meets the requirements because the allele frequency is significantly higher than expected for a pathogenic variant.