C1orf167

protein-coding

chromosome 1 open reading frame 167

Gene summary

Implicated in coronary artery disease and stroke. [provided by Alliance of Genome Resources, Jun 2026]

MANE transcript

NM_001010881.2

Inheritance

—

ClinVar variants

B:4

Top phenotype

Homocystinuria due to methylene tetrahydrofolate reductase deficiency

gnomAD constraint

pLI —, LoF o/e 0.84

Max pathogenic AF

—

Genomic locus

chr1:11,761,787-11,789,585

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~27.8 kb
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GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

No GenCC data available for this gene.

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to C1orf167 variants in ClinVar

2 Conditions Cataloged
not providedTotal: 4
Homocystinuria due to methylene tetrahydrofolate reductase deficiencyTotal: 1

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_001010881.2. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
3
clinvar
3
missense
1
clinvar
1
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
0
Total000404
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 22 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_001010881.2RefSeqNP_001010881.120MANE Select
ENST00000688073.1EnsemblENSP00000510540.120MANE Select
ENST00000312793.9EnsemblENSP00000317749.514Standard
ENST00000433342.6EnsemblENSP00000414909.320Standard

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000433342
Coding exons
21
Length
27799
Individuals with no LoFs
0
Homozygous LoFs
0
Heterozygous LoFs
0
Defined
0
p
0.00
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense1.126457300.8840.00004279169
Missense (PolyPhen)1517.0210.88125180
Synonymous2.602473050.8100.00001703107
Loss of Function1.195767.60.8430.00000366711

Population LoF Frequency

PopulationCAFp-valueStatus
African00.0absent
Latino/Admixed American00.0absent
Ashkenazi Jewish00.0absent
East Asian00.0absent
Finnish00.0absent
European (Non-Finnish)00.0absent
South Asian00.0absent
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Essentials

Essential (CRISPR2)
N

Gene Damage Prediction

AllRecessiveDominant
MendelianHighMediumHigh
Primary ImmunodeficiencyHighHighHigh
CancerHighHighHigh
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