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GeneBe

6-110893531-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_001634.6(AMD1):c.920G>A(p.Arg307His) variant causes a missense change. The variant allele was found at a frequency of 0.00000991 in 1,613,874 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 1 hom., cov: 33)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

AMD1
NM_001634.6 missense

Scores

2
8
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.33
Variant links:
Genes affected
AMD1 (HGNC:457): (adenosylmethionine decarboxylase 1) This gene encodes an important intermediate enzyme in polyamine biosynthesis. The polyamines spermine, spermidine, and putrescine are low-molecular-weight aliphatic amines essential for cellular proliferation and tumor promotion. Multiple alternatively spliced transcript variants have been identified. Pseudogenes of this gene are found on chromosomes 5, 6, 10, X and Y. [provided by RefSeq, Dec 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.2038872).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
AMD1NM_001634.6 linkuse as main transcriptc.920G>A p.Arg307His missense_variant 9/9 ENST00000368885.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
AMD1ENST00000368885.8 linkuse as main transcriptc.920G>A p.Arg307His missense_variant 9/91 NM_001634.6 P1P17707-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152184
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250822
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135584
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000884
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461690
Hom.:
0
Cov.:
31
AF XY:
0.00000825
AC XY:
6
AN XY:
727142
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000989
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152184
Hom.:
1
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74340
show subpopulations
Gnomad4 AFR
AF:
0.0000724
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000416

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 GeneticsApr 25, 2022The c.920G>A (p.R307H) alteration is located in exon 9 (coding exon 9) of the AMD1 gene. This alteration results from a G to A substitution at nucleotide position 920, causing the arginine (R) at amino acid position 307 to be replaced by a histidine (H). 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
0.16
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Uncertain
-0.020
Cadd
Benign
22
Dann
Uncertain
0.99
DEOGEN2
Pathogenic
0.85
D;.;.;.
Eigen
Benign
0.0013
Eigen_PC
Benign
0.092
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.84
T;T;.;T
M_CAP
Benign
0.0080
T
MetaRNN
Benign
0.20
T;T;T;T
MetaSVM
Benign
-0.86
T
MutationAssessor
Uncertain
2.3
M;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Uncertain
0.63
T
PROVEAN
Uncertain
-3.1
D;.;.;D
REVEL
Benign
0.19
Sift
Uncertain
0.0010
D;.;.;D
Sift4G
Uncertain
0.024
D;T;D;D
Polyphen
0.51
P;B;.;.
Vest4
0.23
MVP
0.59
MPC
0.94
ClinPred
0.69
D
GERP RS
4.1
Varity_R
0.70
gMVP
0.46

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs763764381; hg19: chr6-111214734; API