CausalSentinel

Protein Dossier — B3GNT2 (N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 2)

MR feasibility tier: A — Published pQTL-MR estimates exist for this protein (retrieved below - not computed here).

1. Published MR estimates (retrieved, not computed)

Outcome beta se p method nSNP cis/trans coloc
Height 0.0598 0.00687 3.05e-18 Wald ratio 1 trans 0.943
Weight 0.0206 0.00481 1.82e-05 Wald ratio 1 trans NA
Forced vital capacity (FVC) 0.0161 0.00446 2.96e-04 Wald ratio 1 trans NA
Diastolic blood pressure automated reading -0.0177 0.00557 0.00151 Wald ratio 1 trans NA
Potassium in urine 0.0173 0.00552 0.00179 Wald ratio 1 trans NA
Coronary heart disease 0.0646 0.0209 0.00196 Wald ratio 1 trans NA
Thyroid cancer -0.57 0.189 0.00255 Wald ratio 1 trans NA
Creatinine (enzymatic) in urine 0.0156 0.00521 0.00283 Wald ratio 1 trans NA
Forced expiratory volume in 1-second (FEV1) 0.0133 0.00471 0.00474 Wald ratio 1 trans NA
Sleep duration 0.0117 0.00425 0.00604 Wald ratio 1 trans NA
Ferritin 0.0578 0.0215 0.00713 Wald ratio 1 trans NA
Transferrin -0.0612 0.0233 0.00857 Wald ratio 1 trans NA
…and 106 more outcomes (see JSON)              

2. pQTL instrument availability (Tier-B probe)

No prot-* pQTL GWAS dataset found for this protein (matched by UniProt accession and symbol).

3. GWAS Catalog results — traits with signal at this locus

33 association rows across 24 traits (27 genome-wide significant rows). Associations are loci, not causal claims; the mapped gene at a locus is not necessarily the effector gene.

Trait best p lead SNP n assoc study MR status
Red blood cell count 4e-29 rs7601633 5 GCST90002367 MR: beta=-0.00443, p=0.405 (trans)
Mean corpuscular volume 7e-28 rs1868582 1 GCST90002392 no MR -> candidate analysis
Mean reticulocyte volume 8e-20 rs7601633 1 GCST90002396 no MR -> candidate analysis
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransfera 7e-19 rs80161321 1 GCST90248603 no MR -> candidate analysis
Mean corpuscular hemoglobin 8e-19 rs1868583 4 GCST90002322 no MR -> candidate analysis
Red blood cell erythrocyte count (UKB data field 30010) 1e-18 rs35014657 1 GCST90468098 no MR -> candidate analysis
GLIPR1 protein levels 1e-17 rs533283805 1 GCST90469357 no MR -> candidate analysis
Mean reticulocyte volume (UKB data field 30260) 8e-17 rs11125911 1 GCST90468088 no MR -> candidate analysis
mean corpuscular hemoglobin (MCH, maximum, inv-norm transfor 8e-14 rs2901457 1 GCST90479672 no MR -> candidate analysis
mean corpuscular hemoglobin (MCH, mean, inv-norm transformed 2e-13 rs2901457 1 GCST90479673 no MR -> candidate analysis
Glycosaminoglycan xylosylkinase levels 4e-12 rs11680440 1 GCST90247665 no MR -> candidate analysis
red blood cell count (RBC, mean, inv-norm transformed) 4e-12 rs7601633 1 GCST90480669 no MR -> candidate analysis
…and 12 more traits (see JSON)          

4. Phenome map — where this gene is a genetic locus, vs. where MR exists

Top diseases by Open Targets association (of 110 total). Associations are loci, not causal claims. The causal-status column is a four-state triage per pair: established (curated) = a curated clinical assertion exists (ClinGen/G2P/GEL/Orphanet/ClinVar — any validity level, MR adds little); exploratory rare-variant signal = ExWAS burden evidence without curation — a candidate NEW gene-disease relationship; common-variant locus = GWAS signal, classic pQTL-MR territory; multi-layer = burden+GWAS together, an allelic-series candidate (the strongest causal setup). Burden estimand is carrier-vs-noncarrier, not per-SD MR.

Disease genetic assoc. burden (ExWAS) causal status MR status
hypothyroidism 0.709 common-variant locus MR: beta=0.017, p=0.475 (trans)
autoimmune disease 0.622 common-variant locus no MR -> candidate analysis
psoriasis 0.578 common-variant locus MR: beta=-0.083, p=0.137 (trans)
thyroid gland disorder 0.58 common-variant locus no MR -> candidate analysis
ankylosing spondylitis 0.539 common-variant locus MR: beta=0.114, p=0.221 (trans)
rheumatoid arthritis 0.527 common-variant locus MR: beta=0.0655, p=0.0468 (trans)
Hashimoto thyroiditis 0.501 common-variant locus no MR -> candidate analysis
Alzheimer disease 0.492 common-variant locus no MR -> candidate analysis
seborrheic dermatitis 0.463 common-variant locus no MR -> candidate analysis
erythematosquamous dermatosis 0.458 common-variant locus no MR -> candidate analysis
Crohn disease 0.436 common-variant locus no MR -> candidate analysis
psoriasis vulgaris 0.431 common-variant locus no MR -> candidate analysis
type 2 diabetes mellitus 0.396 common-variant locus no MR -> candidate analysis
inflammatory spondylopathy 0.367 common-variant locus no MR -> candidate analysis
anterior uveitis 0.362 common-variant locus no MR -> candidate analysis

Of the 15 rows above, 11 have no MR estimate in this resource. Across all retrieved diseases for this gene: 0 exploratory rare-variant signal(s), 0 multi-layer (allelic-series candidate) pair(s). Final triage still belongs to a statistical geneticist.

5. Downstream annotation (druggability & safety preview)

Layer Result
ChEMBL druggability 0 known modulators (N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 2)
gnomAD constraint pLI=0.17, LOEUF=0.705 — LoF-tolerant
GWAS Catalog 61 unique SNPs / 122 rows
ClinVar 73 records; 1 pathogenic in sample of 30
PharmGKB/ClinPGx no annotations

Caveats declared by the tools

Sources

Provenance