LYFE Sciences · Project HERA
Variant Interpretation · Classification Report
Variant classification summary
NM_203407.3:c.1379C>G
EZHIP
· NP_981952.1:p.(Ser460Cys)
· NM_203407.3
GRCh37: chrX:51151247 C>G
·
GRCh38: chrX:51408395 C>G
Gene:
EZHIP
Transcript:
NM_203407.3
Final call
VUS
Variant details
Gene
EZHIP
Transcript
NM_203407.3
Protein
NP_981952.1:p.(Ser460Cys)
gnomAD AF
8.753578025017726e-06 (v4.1)
ClinVar
OncoKB
Unknown Oncogenic Effect
Classification rationale
Interpretation summary
Generated evidence synthesis
1
Final classification VUS: no ACMG/AMP criterion was met, so no pathogenic or benign combination rule was satisfied under the generic ACMG/AMP 2015 framework.
Final determination:
With no criteria scored as met in either the pathogenic or benign direction, no generic ACMG/AMP 2015 combining rule for Pathogenic, Likely Pathogenic, Benign, or Likely Benign is satisfied, so the variant defaults to Uncertain Significance.
Criteria assessment
ACMG/AMP criteria review
Criteria shown when status is available
All criteria require review: For research and educational purposes only.
| Criterion | Status | Rationale | Evidence used |
|---|---|---|---|
| PVS1 | N/A | Not applicable: this is a missense substitution, not a null variant class (nonsense, frameshift, or canonical splice) expected to trigger nonsense-mediated decay. |
pvs1_generic_framework
generic_acmg_combination_rules
|
| PS1 | Not assessed | Not assessed: no evidence was available that this exact amino acid change has been previously established as pathogenic. |
|
| PS2 | Not assessed | Not assessed: no de novo occurrence in an affected proband with confirmed maternity and paternity was documented. |
|
| PS3 | Not assessed | Not assessed: no validated functional assay data demonstrating an abnormal effect for this exact variant (p.Ser460Cys) was available. |
oncokb
|
| PS4 | Not assessed | Not assessed: no case series or case-control comparison showing enrichment of this variant in affected individuals was available. |
|
| PM1 | Not assessed | Not assessed: insufficient evidence was available to establish whether the variant falls in a mutational hotspot or critical functional domain. |
|
| PM2 | Not met | Not met: the highest population allele frequency is 0.2014% (gnomAD-Canada South Asian), exceeding the <0.1% rarity threshold. Flagged for human review: this frequency rests on only 2 alleles among 993 and may be a sampling artifact. |
gnomad_v2
gnomad_v4
gnomad_canada
|
| PM3 | Not assessed | Not assessed: no evidence was available that this variant is in trans with a pathogenic variant in a recessive disorder. |
final_classification_framework
|
| PM4 | N/A | Not applicable: this missense substitution does not alter protein length, which PM4 requires. |
pvs1_generic_framework
generic_acmg_combination_rules
|
| PM5 | Not assessed | Not assessed: no evidence was available of a different pathogenic missense change at the same amino acid residue. |
|
| PM6 | Not assessed | Not assessed: no presumed de novo occurrence in an affected individual was documented. |
|
| PP1 | Not assessed | Not assessed: no segregation data from affected relatives were available. |
|
| PP2 | Not assessed | Not assessed: insufficient evidence was available to establish EZHIP's rate of benign missense variation. |
|
| PP3 | Not assessed | Not assessed: no calibrated in-silico predictor score was available for this missense variant; REVEL is unavailable at this position and BayesDel has no verified threshold. |
|
| PP4 | Not assessed | Not assessed: no patient phenotype or highly specific clinical findings were provided to match against EZHIP-associated disease. |
|
| PP5 | Not met | Not met: the variant is absent from ClinVar, with no expert-panel pathogenic classification on record. |
clinvar
|
| BA1 | Not met | Not met: the highest population allele frequency is 0.2014%, far below the >1% BA1 threshold. |
gnomad_v2
gnomad_v4
gnomad_canada
|
| BS1 | Not met | Not met: the highest population allele frequency is 0.2014%, below the >0.3% BS1 threshold. |
gnomad_v2
gnomad_v4
gnomad_canada
|
| BS2 | Not met | Not met: no homozygous or hemizygous individuals carrying this variant are reported in population datasets. |
gnomad_v2
gnomad_v4
gnomad_canada
|
| BS3 | Not assessed | Not assessed: no validated assay evidence of normal protein function for this variant was available. |
oncokb
|
| BS4 | Not assessed | Not assessed: no unaffected carriers of the variant within affected families were documented. |
|
| BP1 | Not assessed | Not assessed: insufficient evidence was available to establish whether EZHIP disease is caused only by truncating variants. |
|
| BP2 | Not assessed | Not assessed: no phase-resolved evidence of the variant's arrangement relative to a pathogenic variant was available. |
final_classification_framework
|
| BP3 | N/A | Not applicable: this is a missense substitution, not an in-frame indel in a repetitive region. |
pvs1_generic_framework
generic_acmg_combination_rules
|
| BP4 | Not assessed | Not assessed: no calibrated in-silico predictor score was available to evaluate a benign effect. |
|
| BP5 | Not assessed | Not assessed: no alternative molecular diagnosis clearly explaining the patient's phenotype was documented. |
|
| BP6 | Not met | Not met: the variant is absent from ClinVar, with no expert-panel benign classification on record. |
clinvar
|
| BP7 | N/A | Not applicable: this is a missense substitution, not a synonymous variant, which BP7 requires. |
generic_acmg_combination_rules
|
Disclaimer:
The content and results provided by LYFE Sciences are for research and educational purposes only and must not be used as a substitute for professional medical judgment, diagnosis, or treatment. Always consult a qualified healthcare professional before making any clinical decisions.