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GeneBe

16-1655878-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_020825.4(CRAMP1):c.1121G>A(p.Arg374Gln) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.0000984 in 1,605,596 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000096 ( 0 hom. )

Consequence

CRAMP1
NM_020825.4 missense, splice_region

Scores

2
4
12
Splicing: ADA: 0.9837
1
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.28
Variant links:
Genes affected
CRAMP1 (HGNC:14122): (cramped chromatin regulator homolog 1) Predicted to enable chromatin binding activity. Predicted to be involved in pattern specification process. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.4016637).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CRAMP1NM_020825.4 linkuse as main transcriptc.1121G>A p.Arg374Gln missense_variant, splice_region_variant 10/21 ENST00000397412.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CRAMP1ENST00000397412.8 linkuse as main transcriptc.1121G>A p.Arg374Gln missense_variant, splice_region_variant 10/215 NM_020825.4 P1
CRAMP1ENST00000293925.9 linkuse as main transcriptc.1121G>A p.Arg374Gln missense_variant, splice_region_variant 9/205 P1

Frequencies

GnomAD3 genomes
AF:
0.000125
AC:
19
AN:
152208
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000265
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000115
AC:
28
AN:
244210
Hom.:
0
AF XY:
0.000106
AC XY:
14
AN XY:
132622
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000292
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000336
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000236
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000956
AC:
139
AN:
1453388
Hom.:
0
Cov.:
33
AF XY:
0.0000997
AC XY:
72
AN XY:
721894
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.0000225
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000253
Gnomad4 SAS exome
AF:
0.0000234
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000117
Gnomad4 OTH exome
AF:
0.0000667
GnomAD4 genome
AF:
0.000125
AC:
19
AN:
152208
Hom.:
0
Cov.:
33
AF XY:
0.000148
AC XY:
11
AN XY:
74368
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000265
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000254
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000352
AC:
3
ExAC
AF:
0.0000825
AC:
10

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 submitterclinical testingAmbry GeneticsMay 27, 2022The c.1121G>A (p.R374Q) alteration is located in exon 9 (coding exon 9) of the CRAMP1 gene. This alteration results from a G to A substitution at nucleotide position 1121, causing the arginine (R) at amino acid position 374 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.036
T
BayesDel_noAF
Uncertain
0.010
Cadd
Pathogenic
27
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.38
T;T
Eigen
Uncertain
0.44
Eigen_PC
Uncertain
0.43
FATHMM_MKL
Pathogenic
0.98
D
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.40
T;T
MetaSVM
Benign
-0.75
T
MutationAssessor
Uncertain
2.3
M;M
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Benign
0.47
T
PROVEAN
Benign
-1.5
N;N
REVEL
Benign
0.25
Sift
Benign
0.056
T;T
Sift4G
Benign
0.24
T;T
Polyphen
0.99
D;D
Vest4
0.48
MVP
0.32
MPC
0.90
ClinPred
0.40
T
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.14
gMVP
0.26

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
0.98
dbscSNV1_RF
Benign
0.60
SpliceAI score (max)
0.050
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs202240948; hg19: chr16-1705879; COSMIC: COSV105097200; API