rs16929374

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_000550.3(TYRP1):​c.977G>A​(p.Arg326His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000669 in 1,613,148 control chromosomes in the GnomAD database, including 4 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R326C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0035 ( 3 hom., cov: 32)
Exomes 𝑓: 0.00037 ( 1 hom. )

Consequence

TYRP1
NM_000550.3 missense

Scores

6
7
5

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 7.70

Publications

13 publications found
Variant links:
Genes affected
TYRP1 (HGNC:12450): (tyrosinase related protein 1) This gene encodes a melanosomal enzyme that belongs to the tyrosinase family and plays an important role in the melanin biosynthetic pathway. Defects in this gene are the cause of rufous oculocutaneous albinism and oculocutaneous albinism type III. [provided by RefSeq, Mar 2009]
LURAP1L-AS1 (HGNC:49761): (LURAP1L antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.013716251).
BP6
Variant 9-12702334-G-A is Benign according to our data. Variant chr9-12702334-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 437183.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00352 (536/152100) while in subpopulation AFR AF = 0.0124 (515/41532). AF 95% confidence interval is 0.0115. There are 3 homozygotes in GnomAd4. There are 240 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TYRP1NM_000550.3 linkc.977G>A p.Arg326His missense_variant Exon 5 of 8 ENST00000388918.10 NP_000541.1
TYRP1XM_047423841.1 linkc.772G>A p.Val258Ile missense_variant Exon 4 of 5 XP_047279797.1
LURAP1L-AS1NR_125775.1 linkn.317-1708C>T intron_variant Intron 3 of 3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TYRP1ENST00000388918.10 linkc.977G>A p.Arg326His missense_variant Exon 5 of 8 1 NM_000550.3 ENSP00000373570.4

Frequencies

GnomAD3 genomes
AF:
0.00350
AC:
532
AN:
151982
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0123
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000985
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:
0.0000588
Gnomad OTH
AF:
0.000956
GnomAD2 exomes
AF:
0.000845
AC:
212
AN:
250818
AF XY:
0.000598
show subpopulations
Gnomad AFR exome
AF:
0.0116
Gnomad AMR exome
AF:
0.000349
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000617
Gnomad OTH exome
AF:
0.000490
GnomAD4 exome
AF:
0.000372
AC:
543
AN:
1461048
Hom.:
1
Cov.:
30
AF XY:
0.000318
AC XY:
231
AN XY:
726832
show subpopulations
African (AFR)
AF:
0.0129
AC:
430
AN:
33438
American (AMR)
AF:
0.000404
AC:
18
AN:
44580
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26088
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39678
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86242
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53402
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5756
European-Non Finnish (NFE)
AF:
0.0000486
AC:
54
AN:
1111520
Other (OTH)
AF:
0.000580
AC:
35
AN:
60344
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.479
Heterozygous variant carriers
0
30
61
91
122
152
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00352
AC:
536
AN:
152100
Hom.:
3
Cov.:
32
AF XY:
0.00323
AC XY:
240
AN XY:
74360
show subpopulations
African (AFR)
AF:
0.0124
AC:
515
AN:
41532
American (AMR)
AF:
0.000984
AC:
15
AN:
15244
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5140
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10598
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
67970
Other (OTH)
AF:
0.000946
AC:
2
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
29
57
86
114
143
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00113
Hom.:
2
Bravo
AF:
0.00385
ESP6500AA
AF:
0.0107
AC:
47
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00106
AC:
129

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Nov 21, 2016
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jan 26, 2016
Genetic Services Laboratory, University of Chicago
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Jan 30, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Oculocutaneous albinism type 3 Benign:1
Apr 28, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Uncertain
0.080
CADD
Pathogenic
30
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.65
D;.
Eigen
Pathogenic
0.95
Eigen_PC
Pathogenic
0.92
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D;D
MetaRNN
Benign
0.014
T;T
MetaSVM
Uncertain
0.60
D
MutationAssessor
Uncertain
2.1
M;.
PhyloP100
7.7
PrimateAI
Uncertain
0.65
T
PROVEAN
Benign
-1.9
N;N
REVEL
Pathogenic
0.69
Sift
Uncertain
0.014
D;D
Sift4G
Uncertain
0.028
D;D
Polyphen
1.0
D;.
Vest4
0.75
MVP
0.99
MPC
0.027
ClinPred
0.065
T
GERP RS
6.0
Varity_R
0.39
gMVP
0.84
Mutation Taster
=44/56
disease causing

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

Other links and lift over

dbSNP: rs16929374; hg19: chr9-12702334; API