RLN2

Chr 9

relaxin 2

Also known as: H2, H2-RLX, RLXH2, bA12D24.1.1, bA12D24.1.2

This gene encodes relaxin, a peptide hormone that promotes dilatation of the birth canal and remodeling of connective tissues during pregnancy, and also regulates cardiovascular function including blood pressure and heart rate. The gene shows low constraint to loss-of-function variation (pLI 0.0009, LOEUF 1.905), and no pediatric neurological disorders have been definitively associated with RLN2 mutations in current medical literature. Based on available data, this gene does not appear to be relevant for pediatric neurogenetics practice.

OMIMResearchSummary from RefSeq, UniProt
DNmechanismLOEUF 1.91
Clinical SummaryRLN2
Population Constraint (gnomAD)
Low constraint (pLI 0.00) — loss-of-function variants are relatively tolerated in the population.

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint
1.91LOEUF
pLI 0.001
Z-score -0.44
OE 1.27 (0.581.91)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint
-1.32Z-score
OE missense 1.37 (1.191.58)
136 obs / 99.1 exp
Tolerant

Tolerant to missense variation

Observed / Expected Ratios
LoF OE1.27 (0.581.91)
00.351.4
Missense OE1.37 (1.191.58)
00.61.4
Synonymous OE1.15
01.21.6
LoF obs/exp: 4 / 3.2Missense obs/exp: 136 / 99.1Syn Z: -0.75
DN
0.93top 5%
GOF
0.3491th %ile
LOF
0.1499th %ile

The highest-scoring mechanism for this gene is dominant-negative.

DNprediction above median

Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.

Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

RLN2 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

3D Protein StructureAlphaFold

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

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Clinical Literature
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