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dbSNP Short Genetic Variations

Welcome to the Reference SNP (rs) Report

All alleles are reported in the Forward orientation. Click on the Variant Details tab for details on Genomic Placement, Gene, and Amino Acid changes. HGVS names are in the HGVS tab.

Reference SNP (rs) Report

This page reports data for a single dbSNP Reference SNP variation (RefSNP or rs) from the new redesigned dbSNP build.
Top of the page reports a concise summary for the rs, with more specific details included in the corresponding tabs below.
All alleles are reported in the Forward orientation. Use the Genomic View to inspect the nucleotides flanking the variant, and its neighbors.
For more information see Help documentation.

rs1440123857

Current Build 156

Released September 21, 2022

Organism
Homo sapiens
Position
chr1:26468930 (GRCh38.p14) Help

The anchor position for this RefSNP. Includes all nucleotides potentially affected by this change, thus it can differ from HGVS, which is right-shifted. See here for details.

Alleles
G>A
Variation Type
SNV Single Nucleotide Variation
Frequency
A=0.000004 (1/250606, GnomAD_exome)
Clinical Significance
Not Reported in ClinVar
Gene : Consequence
DHDDS : Synonymous Variant
DHDDS-AS1 : 2KB Upstream Variant
Publications
0 citations
Genomic View
See rs on genome
Help

Frequency tab displays a table of the reference and alternate allele frequencies reported by various studies and populations. Table lines, where Population="Global" refer to the entire study population, whereas lines, where Group="Sub", refer to a study-specific population subgroupings (i.e. AFR, CAU, etc.), if available. Frequency for the alternate allele (Alt Allele) is a ratio of samples observed-to-total, where the numerator (observed samples) is the number of chromosomes in the study with the minor allele present (found in "Sample size", where Group="Sub"), and the denominator (total samples) is the total number of all chromosomes in the study for the variant (found in "Sample size", where Group="Study-wide" and Population="Global").

Download
Study Population Group Sample Size Ref Allele Alt Allele
gnomAD - Exomes Global Study-wide 250606 G=0.999996 A=0.000004
gnomAD - Exomes European Sub 134720 G=1.000000 A=0.000000
gnomAD - Exomes Asian Sub 48966 G=0.99998 A=0.00002
gnomAD - Exomes American Sub 34584 G=1.00000 A=0.00000
gnomAD - Exomes African Sub 16146 G=1.00000 A=0.00000
gnomAD - Exomes Ashkenazi Jewish Sub 10066 G=1.00000 A=0.00000
gnomAD - Exomes Other Sub 6124 G=1.0000 A=0.0000
Help

Variant Details tab shows known variant placements on genomic sequences: chromosomes (NC_), RefSeqGene, pseudogenes or genomic regions (NG_), and in a separate table: on transcripts (NM_) and protein sequences (NP_). The corresponding transcript and protein locations are listed in adjacent lines, along with molecular consequences from Sequence Ontology. When no protein placement is available, only the transcript is listed. Column "Codon[Amino acid]" shows the actual base change in the format of "Reference > Alternate" allele, including the nucleotide codon change in transcripts, and the amino acid change in proteins, respectively, allowing for known ribosomal slippage sites. To view nucleotides adjacent to the variant use the Genomic View at the bottom of the page - zoom into the sequence until the nucleotides around the variant become visible.

Genomic Placements
Sequence name Change
GRCh38.p14 chr 1 NC_000001.11:g.26468930G>A
GRCh37.p13 chr 1 NC_000001.10:g.26795421G>A
DHDDS RefSeqGene NG_029786.1:g.41649G>A
Gene: DHDDS, dehydrodolichyl diphosphate synthase subunit (plus strand)
Molecule type Change Amino acid[Codon] SO Term
DHDDS transcript variant 1 NM_205861.3:c.801G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 1 NP_995583.1:p.Arg267= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant 4 NM_001243565.2:c.684G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 4 NP_001230494.1:p.Arg228= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant 5 NM_001319959.2:c.522G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 5 NP_001306888.1:p.Arg174= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant 3 NM_001243564.2:c.699G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 3 NP_001230493.1:p.Arg233= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant 2 NM_024887.4:c.804G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 2 NP_079163.2:p.Arg268= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X1 XM_047430849.1:c.804G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286805.1:p.Arg268= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X2 XM_047430850.1:c.804G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286806.1:p.Arg268= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X3 XM_047430851.1:c.804G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286807.1:p.Arg268= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X4 XM_047430852.1:c.804G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286808.1:p.Arg268= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X5 XM_047430853.1:c.801G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286809.1:p.Arg267= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X6 XM_047430854.1:c.801G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286810.1:p.Arg267= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X7 XM_047430856.1:c.801G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286812.1:p.Arg267= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X8 XM_047430857.1:c.801G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286813.1:p.Arg267= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X9 XM_047430859.1:c.702G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286815.1:p.Arg234= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X10 XM_047430860.1:c.702G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286816.1:p.Arg234= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X11 XM_047430861.1:c.702G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286817.1:p.Arg234= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X12 XM_047430862.1:c.702G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286818.1:p.Arg234= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X13 XM_047430863.1:c.699G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286819.1:p.Arg233= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X14 XM_047430864.1:c.699G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286820.1:p.Arg233= R (Arg) > R (Arg) Synonymous Variant
DHDDS transcript variant X15 XM_047430865.1:c.699G>A R [AGG] > R [AGA] Coding Sequence Variant
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286821.1:p.Arg233= R (Arg) > R (Arg) Synonymous Variant
Gene: DHDDS-AS1, DHDDS antisense RNA 1 (minus strand) : 2KB Upstream Variant
Molecule type Change Amino acid[Codon] SO Term
DHDDS-AS1 transcript variant 1 NR_125952.1:n. N/A Upstream Transcript Variant
DHDDS-AS1 transcript variant 2 NR_125953.1:n. N/A Upstream Transcript Variant
Help

Clinical Significance tab shows a list of clinical significance entries from ClinVar associated with the variation, per allele. Click on the RCV accession (i.e. RCV000001615.2) or Allele ID (i.e. 12274) to access full ClinVar report.

Not Reported in ClinVar
Help

Aliases tab displays HGVS names representing the variant placements and allele changes on genomic, transcript and protein sequences, per allele. HGVS name is an expression for reporting sequence accession and version, sequence type, position, and allele change. The column "Note" can have two values: "diff" means that there is a difference between the reference allele (variation interval) at the placement reported in HGVS name and the reference alleles reported in other HGVS names, and "rev" means that the sequence of this variation interval at the placement reported in HGVS name is in reverse orientation to the sequence(s) of this variation in other HGVS names not labeled as "rev".

Placement G= A
GRCh38.p14 chr 1 NC_000001.11:g.26468930= NC_000001.11:g.26468930G>A
GRCh37.p13 chr 1 NC_000001.10:g.26795421= NC_000001.10:g.26795421G>A
DHDDS RefSeqGene NG_029786.1:g.41649= NG_029786.1:g.41649G>A
DHDDS transcript variant 2 NM_024887.4:c.804= NM_024887.4:c.804G>A
DHDDS transcript variant 2 NM_024887.3:c.804= NM_024887.3:c.804G>A
DHDDS transcript variant 1 NM_205861.3:c.801= NM_205861.3:c.801G>A
DHDDS transcript variant 1 NM_205861.2:c.801= NM_205861.2:c.801G>A
DHDDS transcript variant 5 NM_001319959.2:c.522= NM_001319959.2:c.522G>A
DHDDS transcript variant 5 NM_001319959.1:c.522= NM_001319959.1:c.522G>A
DHDDS transcript variant 3 NM_001243564.2:c.699= NM_001243564.2:c.699G>A
DHDDS transcript variant 3 NM_001243564.1:c.699= NM_001243564.1:c.699G>A
DHDDS transcript variant 4 NM_001243565.2:c.684= NM_001243565.2:c.684G>A
DHDDS transcript variant 4 NM_001243565.1:c.684= NM_001243565.1:c.684G>A
DHDDS transcript variant X1 XM_047430849.1:c.804= XM_047430849.1:c.804G>A
DHDDS transcript variant X5 XM_047430853.1:c.801= XM_047430853.1:c.801G>A
DHDDS transcript variant X3 XM_047430851.1:c.804= XM_047430851.1:c.804G>A
DHDDS transcript variant X7 XM_047430856.1:c.801= XM_047430856.1:c.801G>A
DHDDS transcript variant X9 XM_047430859.1:c.702= XM_047430859.1:c.702G>A
DHDDS transcript variant X2 XM_047430850.1:c.804= XM_047430850.1:c.804G>A
DHDDS transcript variant X13 XM_047430863.1:c.699= XM_047430863.1:c.699G>A
DHDDS transcript variant X6 XM_047430854.1:c.801= XM_047430854.1:c.801G>A
DHDDS transcript variant X4 XM_047430852.1:c.804= XM_047430852.1:c.804G>A
DHDDS transcript variant X8 XM_047430857.1:c.801= XM_047430857.1:c.801G>A
DHDDS transcript variant X11 XM_047430861.1:c.702= XM_047430861.1:c.702G>A
DHDDS transcript variant X14 XM_047430864.1:c.699= XM_047430864.1:c.699G>A
DHDDS transcript variant X12 XM_047430862.1:c.702= XM_047430862.1:c.702G>A
DHDDS transcript variant X15 XM_047430865.1:c.699= XM_047430865.1:c.699G>A
DHDDS transcript variant X10 XM_047430860.1:c.702= XM_047430860.1:c.702G>A
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 2 NP_079163.2:p.Arg268= NP_079163.2:p.Arg268=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 1 NP_995583.1:p.Arg267= NP_995583.1:p.Arg267=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 5 NP_001306888.1:p.Arg174= NP_001306888.1:p.Arg174=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 3 NP_001230493.1:p.Arg233= NP_001230493.1:p.Arg233=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform 4 NP_001230494.1:p.Arg228= NP_001230494.1:p.Arg228=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286805.1:p.Arg268= XP_047286805.1:p.Arg268=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286809.1:p.Arg267= XP_047286809.1:p.Arg267=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286807.1:p.Arg268= XP_047286807.1:p.Arg268=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286812.1:p.Arg267= XP_047286812.1:p.Arg267=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286815.1:p.Arg234= XP_047286815.1:p.Arg234=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286806.1:p.Arg268= XP_047286806.1:p.Arg268=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286819.1:p.Arg233= XP_047286819.1:p.Arg233=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286810.1:p.Arg267= XP_047286810.1:p.Arg267=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X1 XP_047286808.1:p.Arg268= XP_047286808.1:p.Arg268=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X2 XP_047286813.1:p.Arg267= XP_047286813.1:p.Arg267=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286817.1:p.Arg234= XP_047286817.1:p.Arg234=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286820.1:p.Arg233= XP_047286820.1:p.Arg233=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286818.1:p.Arg234= XP_047286818.1:p.Arg234=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X4 XP_047286821.1:p.Arg233= XP_047286821.1:p.Arg233=
dehydrodolichyl diphosphate synthase complex subunit DHDDS isoform X3 XP_047286816.1:p.Arg234= XP_047286816.1:p.Arg234=
Help

Submissions tab displays variations originally submitted to dbSNP, now supporting this RefSNP cluster (rs). We display Submitter handle, Submission identifier, Date and Build number, when the submission appeared for the first time. Direct submissions to dbSNP have Submission ID in the form of an ss-prefixed number (ss#). Other supporting variations are listed in the table without ss#.

1 SubSNP, 1 Frequency submissions
No Submitter Submission ID Date (Build)
1 GNOMAD ss2731281083 Nov 08, 2017 (151)
2 gnomAD - Exomes NC_000001.10 - 26795421 Jul 12, 2019 (153)
Help

History tab displays RefSNPs (Associated ID) from previous builds (Build) that now support the current RefSNP, and the dates, when the history was updated for each Associated ID (History Updated).

Added to this RefSNP Cluster:
Submission IDs Observation SPDI Canonical SPDI Source RSIDs
295511, ss2731281083 NC_000001.10:26795420:G:A NC_000001.11:26468929:G:A (self)
Help

Publications tab displays PubMed articles citing the variation as a listing of PMID, Title, Author, Year, Journal, ordered by Year, descending.

No publications for rs1440123857

Help

The Flanks tab provides retrieving flanking sequences of a SNP on all molecules that have placements.

Genome context:
Select flank length:

Genomic regions, transcripts, and products
Top Help

NCBI Graphical Sequence Viewer display of the genomic region, transcripts and protein products for the reported RefSNP (rs).
Use the zoom option to view the nucleotides around the RefSNP and find other neighboring RefSNPs.
Visit Sequence Viewer for help with navigating inside the display and modifying the selection of displayed data tracks.

Software version is: 2.0.1.post820+afb47a3d