LEFTY1 - left-right determination factor 1 Gene

Also Known as LEFTB; LEFTYB

Species: Homo sapiens

Gene Type: protein coding
Gene ID: 10637

About LEFTY1

Cytogenetic location: 1q42.12 Genomic coordinates (GRCh38): 1:225,886,282-225,889,146 (from NCBI)

This gene has 2 transcripts (splice variants), 284 orthologues and 31 paralogues. Biased expression in colon (RPKM 67.2), pancreas (RPKM 11.8) and 2 other tissues.

Summary

This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of Smad Family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate the mature protein, which plays a role in left-right asymmetry determination of organ systems during development. This gene is closely linked to both a related family member and a related pseudogene. [provided by RefSeq, Aug 2016]

LEFTY1 Products (1)

mRNA Protein Name
NM_020997.4 NP_066277.1 left-right determination factor 1 preproprotein

LEFTY1 Protein Structure

TGFb_propeptide

TGFb_propeptide: TGF-beta propeptide (22 - 211)

TGF_beta

TGF_beta: Transforming growth factor beta like domain (262 - 301)

  • 0
  • 100
  • 200
  • 300
  • 366 a.a.
Protein Preferred Names Protein Names

left-right determination factor 1

  • left-right determination factor B

Related Diseases

Diseases Alias
Right Atrial Isomerism
  • Ivemark Syndrome

  • Asplenia With Cardiovascular Anomalies

  • RAI

  • Asplenia Syndrome

  • Asplenia

  • Right Isomerism

  • Splenic Agenesis Syndrome

  • Bilateral Right-Sidedness Sequence

  • Right Sided Atrial Isomerism

  • Isomerism Of Right Atrial Appendage

  • Heterotaxy, Visceroatrial, Autosomal Recessive

  • Polyasplenia

  • Vah, Autosomal Recessive

  • Atrial Isomerism, Right

  • Congenital Absence Of Spleen

  • Bilateral Right-Sidedness

Pancreas, Annular
  • Annular Pancreas

  • Pancreas Annulare

  • Congenital Annular Pancreas

Visceral Heterotaxy
  • Situs Ambiguus

  • Heterotaxia

  • Heterotaxy Syndrome

  • Heterotaxy

  • Lateralization Defect

  • Situs Ambiguous

  • Left Isomerism

  • Htx

  • Ivemark Syndrome

  • Right Isomerism

  • Situs Ambiguus Viscerum

  • Incomplete Situs Inversus

  • Partial Situs Inversus

  • Heterotaxy, Visceral

  • Asplenia Syndrome

  • Bilateral Left-Sidedness

  • Polysplenia Syndrome

  • Moller Syndrome

Double Outlet Right Ventricle
  • Double Outlet Right Ventricle With Subpulmonary Ventricular Septal Defect

  • Taussig-Bing Syndrome

  • Dextrotransposition Of Aorta

  • Taussig-Bing Syndrome Or Defect

  • Dorv

  • Dorv With Subpulmonary Vsd

  • Dorv-Tga

  • Double Outlet Right Ventricle With Transposition Of The Great Arteries

  • Double Outlet Right Ventricle With Subpulmonary Interventricular Communication, Transposition Type

  • Taussig-Bing Heart

  • Taussig-Bing Malformation

  • Taussig-Bing Complex

  • Taussig-Bing Defect

  • Taussig-Bing

  • Double Outlet Right Ventricle With Remote Ventricular Septal Defect

  • Double Outlet Right Ventricle With Uncommitted Ventricular Septal Defect

  • Double Outlet Right Ventricle With Non-Committed Interventricular Communication

  • Double Outlet Right Ventricle With Subaortic Or Doubly Committed Interventricular Communication Without Pulmonary Stenosis

  • Double Outlet Right Ventricle With Subaortic Or Doubly Committed Interventricular Communication And Pulmonary Stenosis

Situs Inversus
  • Situs Inversus Viscerum

  • Laterality Sequence

  • Complete Transposition

  • Siv

Primary Ciliary Dyskinesia
  • Immotile Cilia Syndrome

  • Kartagener Syndrome

  • Dextrocardia Bronchiectasis And Sinusitis

  • Pcd

  • Ciliary Motility Disorders

  • Ciliary Motility Disorder

  • Immotile Ciliary Syndrome

  • Ciliary Dyskinesia Primary

  • Ics

  • Polynesian Bronchiectasis

  • Dextrocardia-Bronchiectasis-Sinusitis Syndrome

  • Immotile Cilia Syndrome, Kartagener Type

  • Primary Ciliary Dyskinesia And Situs Inversus

  • Primary Ciliary Dyskinesia, Kartagener Type

  • Siewert Syndrome

  • Dyskinesia, Ciliary, Primary

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Mus musculus LEFTY1 MGD MGI:107405
Rattus norvegicus LEFTY1 RGD RGD:1561867