Research
Tag

B Vitamins

50 genetic variants with this tag.

RSID Gene Description Category
rs1021737 CTH CTH Ser403Ile Missense variant in CTH (cystathionine gamma-lyase) that impairs transsulfura... Blood Pressure & Hypertension Moderate
rs10380 MTRR His595Tyr Missense variant in methionine synthase reductase that impairs B12 reactivati... Methylation & Detox Moderate
rs1256335 ALPL Intronic variant near ALPL associated with increased alkaline phosphatase act... Vitamins & Nutrient Absorption Strong
rs1051266 SLC19A1 G80A (His27Arg) Folate transporter — how well folate gets into your cells Methylation & Detox Moderate
rs148234606 SLC52A2 Leu339Pro Pathogenic missense variant in the riboflavin transporter RFVT2 that abolishe... Vitamins & Nutrient Absorption Established
rs10925239 MTR Deep intronic MTR variant associated with reduced cleft lip/palate risk via l... Methylation & Detox Emerging
rs10925254 MTR Deep intronic MTR variant associated with reduced cleft lip/palate risk via l... Methylation & Detox Emerging
rs10925260 MTR Intronic MTR variant associated with neural tube defect risk Methylation & Detox Emerging
rs2251780 GSR Intronic variant in the glutathione reductase gene affecting antioxidant defe... Vitamins & Nutrient Absorption Emerging
rs11545076 GGH -124T>G Promoter variant that increases GGH expression, accelerating hydrolysis of in... Methylation & Detox Moderate
rs234709 CBS Intronic CBS variant that tags the CBS locus in GWAS studies; associated with... Vitamins & Nutrient Absorption Moderate
rs11627387 MTHFD1 Intronic variant in the cytoplasmic trifunctional folate enzyme MTHFD1, assoc... Methylation & Detox Moderate
rs11683424 DNMT3A Intronic variant in the de novo DNA methyltransferase DNMT3A, associated with... Methylation & Detox Emerging
rs369296618 MMAB Nonsense variant in MMAB creating a premature stop codon (Q234*) that impairs... Vitamins & Nutrient Absorption Established
rs2651899 PRDM16 Intronic variant in the master regulator of brown/beige fat differentiation, ... Fat Storage & Energy Moderate
rs3760775 FUT6 Near-gene regulatory variant near FUT6 that lowers circulating vitamin B12 Vitamins & Nutrient Absorption Moderate
rs1532268 MTRR MTRR S175L Missense variant in methionine synthase reductase that raises homocysteine wh... Methylation & Detox Moderate
rs1544410 VDR BsmI Vitamin D receptor — affects how well vitamin D activates cellular processes Methylation & Detox Moderate
rs162040 MTRR Intronic MTRR tag SNP in a haplotype block where the C-allele variant associa... Methylation & Detox Emerging
rs397507172 BTD Rare missense variant near the BTD active site (p.Val89Gly) that likely reduc... Vitamins & Nutrient Absorption Emerging
rs397507173 BTD Rare missense variant in the biotinidase enzyme (p.Pro167Ser); a likely patho... Vitamins & Nutrient Absorption Established
rs377022708 ACAD9 Arg532Trp (R532W) Pathogenic missense variant in the ACAD9 complex I assembly factor causing se... Metabolic Enzymes & Rare Disorders Strong
rs397507174 BTD BTD Tyr190Cys Pathogenic missense variant in biotinidase that abolishes biotin recycling; h... Vitamins & Nutrient Absorption Established
rs397514538 SLC52A2 Pathogenic missense variant in riboflavin transporter RFVT2 (p.Leu123Pro) cau... Vitamins & Nutrient Absorption Established
rs1800909 GGH c.16T>C (p.Cys6Arg) Signal-peptide missense variant; C allele carriers show modestly lower plasma... Methylation & Detox Moderate
rs1801133 MTHFR C677T Key enzyme for converting folate to its active methylfolate form Methylation & Detox Established
rs4654748 NBPF3 Tag SNP in the NBPF3/ALPL locus on chromosome 1 — the strongest common geneti... Vitamins & Nutrient Absorption Strong
rs1801181 CBS A360A A synonymous variant in CBS affecting homocysteine metabolism and associated ... Methylation & Detox Moderate
rs5749131 TCN2 Upstream regulatory variant near TCN2 associated with reduced holotranscobala... Vitamins & Nutrient Absorption Moderate
rs601338 FUT2 W143X (Trp143Ter) Determines secretor status — whether ABO blood group antigens are secreted in... Vitamins & Nutrient Absorption Established
rs1801394 MTRR A66G B12 recycling enzyme — regenerates active B12 for the methylation cycle Methylation & Detox Moderate
rs602662 FUT2 Gly258Ser Missense variant in the FUT2 fucosyltransferase enzyme that alters haptocorri... Vitamins & Nutrient Absorption Strong
rs6922269 MTHFD1L Intronic variant in the mitochondrial folate enzyme MTHFD1L, associated with ... Coronary Artery Disease & Atherosclerosis Strong
rs1802059 MTRR Synonymous MTRR variant (c.1911G>A) associated with congenital heart disease ... Methylation & Detox Emerging
rs6323 MAOA R297R X-linked monoamine oxidase A variant affecting enzyme activity and neurotrans... Mood & Behavior Strong
rs1805087 MTR A2756G Methionine synthase — uses B12 to convert homocysteine to methionine Methylation & Detox Moderate
rs61735836 FTCD Missense variant in the FTCD enzyme that impairs one-carbon unit transfer fro... Vitamins & Nutrient Absorption Strong
rs1979277 SHMT1 C1420T Alters one-carbon metabolism and folate distribution; influences cancer risk ... Methylation & Detox Moderate
rs202676 FOLH1 T484A Reduces intestinal folate hydrolase activity, impairing absorption of dietary... Methylation & Detox Moderate
rs78060698 FUT6 Intronic regulatory variant in FUT6 that alters HNF4α binding and fucosyltran... Vitamins & Nutrient Absorption Moderate
rs2236225 MTHFD1 G1958A Folate processing enzyme — reduced stability increases choline need Methylation & Detox Strong
rs2275565 MTR IVS (intronic) Intronic MTR variant associated with B12-dependent methylation stress Methylation & Detox Moderate
rs234706 CBS C699T Common synonymous variant in the CBS gene Methylation & Detox Moderate
rs3733890 BHMT R239Q Missense variant in betaine-homocysteine methyltransferase that reduces enzym... Methylation & Detox Moderate
rs3776467 MTRR Intronic MTRR variant with sex-specific association with DNA methylation patt... Methylation & Detox Emerging
rs3788205 SLC19A1 SLC19A1 intronic variant Intronic marker in the folate transporter gene Methylation & Detox Emerging
rs567754 BHMT BHMT-02 Intronic variant in betaine-homocysteine methyltransferase gene associated wi... Methylation & Detox Moderate
rs61886492 FOLH1 H475Y Reduces intestinal GCPII enzyme activity by 53%, paradoxically raising circul... Methylation & Detox Strong
rs7946 PEMT Val175Met Phosphatidylcholine production — affects dietary choline requirements Methylation & Detox Strong
rs828903 MTHFD2 Intronic variant in the mitochondrial folate enzyme MTHFD2, influencing one-c... Methylation & Detox Moderate