DARS2 - aspartyl-tRNA synthetase 2, mitochondrial Gene

Homo sapiens

Also known as LBSL; ASPRS; mtAspRS; MT-ASPRS

Gene ID: 55157 | Gene type: protein coding

About DARS2

Cytogenetic location: 1q25.1 Genomic coordinates (GRCh38): 1:173,824,673-173,858,546 (from NCBI)

This gene has 13 transcripts (splice variants), 214 orthologues, 4 paralogues and is associated with 3 phenotypes. Ubiquitous expression in kidney (RPKM 7.7), colon (RPKM 6.8) and 25 other tissues.

Summary

The protein encoded by this gene belongs to the class-II Aminoacyl-tRNA Synthetase family. It is a mitochondrial Enzyme that specifically aminoacylates aspartyl-tRNA. Mutations in this gene are associated with leukoencephalopathy with brainstem and spinal cord involvement and lactate elevation (LBSL). [provided by RefSeq, Nov 2009]

DARS2 Products(3)

mRNA	Protein	Name
NM_001365212.1	NP_001352141.1	aspartate--tRNA ligase, mitochondrial isoform 2
NM_001365213.2	NP_001352142.1	aspartate--tRNA ligase, mitochondrial isoform 3
NM_018122.5	NP_060592.2	aspartate--tRNA ligase, mitochondrial isoform 1

Gene Ontology

Molecular Function
Biological Process
Cellular Component

Molecular Function GO Annotation	Evidence	Reference	Source
enables aspartate-tRNA ligase activity	IDA IDA: Inferred from direct assay	23275545	GOA
enables aspartate-tRNA(Asn) ligase activity	IDA IDA: Inferred from direct assay	15779907	GOA
enables protein binding	IPI IPI: Inferred from physical interaction	15779907	GOA
enables protein homodimerization activity	IPI IPI: Inferred from physical interaction	15779907	GOA

Biological Process GO Annotation	Evidence	Reference	Source
involved in mitochondrial asparaginyl-tRNA aminoacylation	IDA IDA: Inferred from direct assay	23275545	GOA
involved in tRNA aminoacylation	IDA IDA: Inferred from direct assay	15779907	GOA

Cellular Component GO Annotation	Evidence	Reference	Source
located in mitochondrial matrix	IMP IMP: Inferred from mutant phenotype	30006346	GOA
located in mitochondrial membrane	IMP IMP: Inferred from mutant phenotype	30006346	GOA

EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

DARS2 Protein Structure

tRNA_anti-codon

tRNA-synt_2

GAD

0
100
200
300
400
500
600
645 a.a.

Protein Preferred Names

Protein Names

aspartate--tRNA ligase, mitochondrial

aspartate tRNA ligase 2, mitochondrial

Related Diseases

Diseases

Alias

Leukoencephalopathy With Brainstem And Spinal Cord Involvement And Lactate Elevation

LBSL	Mitochondrial Aspartyl-Trna Synthetase Deficiency
Leukoencephalopathy With Brain Stem And Spinal Cord Involvement And Lactate Elevation	Leukoencephalopathy With Brain Stem And Spinal Cord Involvement-High Lactate Syndrome
Leukoencephalopathy With Brain Stem And Spinal Cord Involvement-Lactate Elevation Syndrome	Leukoencephalopathy With Brain Stem And Spinal Cord Involvement And Lactate Elev
Leukoencephalopathy With Brain Stem And Spinal Cord Involvement - High Lactate	Leukoencephalopathy With Brain Stem And Spinal Cord Involvement - Lactate Elevation
Leukoencephalopathy, Brain Stem And Spinal Cord Involvement, Lactate Elevation

Gout

Gouty Arthritis	Articular Gout
Gouty Arthropathy	Arthritis, Gouty
Arthritis Gouty	Idiopathic Gout
Idiopathic Gout, Unspecified Site	Gouty Bursitis
Uratic Arthritis	Gout Nos
Gouty	Gouty Diathesis

Spastic Ataxia

Spax	Ataxia, Spastic

Talipes Equinovarus

Congenital Equinovarus	Congenital Talipes Equinovarus
Equinovarus	Congenital Varus Clubfoot

Clubfoot, Congenital, With Or Without Deficiency Of Long Bones And/Or Mirror-Image Polydactyly

CCF	Familial Clubfoot Due To 5q31 Microdeletion
Familial Clubfoot Due To Pitx1 Point Mutation	Hereditary Clubfoot Due To Pitx1 Point Mutation
Hereditary Clubfoot Due To 5q31 Microdeletion	Talipes Equinovarus
Tev	Clubfoot, Congenital, With/Without Deficiency Of Long Bones And/Or Mirror-Image Polydactyly

Clubfoot

Congenital Talipes Equinovarus	Congenital Clubfoot
Congenital Equinovarus	Equinovarus Deformity Of Foot
Club Foot

Hypertension, Essential

Essential Hypertension	Hypertension
High Blood Pressure	Hypertension, Essential, Susceptibility To
Hypertensive Disease	Primary Hypertension
EHT	Hypertension, Salt-Sensitive Essential, Susceptibility To
Hyperpiesia	Idiopathic Hypertension
Hypertensive Disorder	Hypertension, Essential, Susceptibility To, 3
Hypertension, Essential 3	Hypertension, Essential, Salt-Sensitive
Hypertension, Essential, Susceptibility To, 6	Hypertension, Essential 6
Hypertension, Salt-Sensitive Essential	Hypertension, Susceptibility To
Hypertension, Essential, Susceptibility To, 4	Hypertension, Essential 4
Hypertension, Essential, Susceptibility To, 2	Hypertension, Essential 2
Hypertension, Essential, Susceptibility To, 1	Hypertension, Essential 1
Hypertension, Essential, Susceptibility To, 5	Hypertension, Essential 5
Htn	Vascular Hypertensive Disorder
Systemic Primary Arterial Hypertension	Hbp - [High Blood Pressure]
Systemic Arterial Hypertensive Disorder	Elevated Blood Pressure
Arterial Hypertension Nos	Hypertension Nos
Benign Hypertension	Systemic Arterial Hypertension
Systemic Hypertension	Artery Htn
Benign Htn	Vascular Htn
Vascular Hypertension	Cholesterol Hypertension
Cholesterol Htn	Idiopathic Htn
Malignant Hypertension	Malignant Htn
Raised Blood Pressure	Cardiovascular Hypertension
Primary Htn - [Hypertension]	High Arterial Tension
High Blood Pressure Disorder	Ht - [Hypertension]
Htn - [Hypertension]	Hypertensive Vascular Disease
Hypertensive Vascular Degeneration

Combined Oxidative Phosphorylation Deficiency 12

COXPD12	Ltbl
Leukoencephalopathy With Thalamus And Brainstem Involvement And High Lactate	Leukoencephalopathy-Thalamus And Brainstem Anomalies-High Lactate Syndrome
Combined Oxidative Phosphorylation Defect Type 12	Combined Oxidative Phosphorylation Deficiency, Type 12

Spinocerebellar Ataxia, Autosomal Recessive 14

Autosomal Recessive Spinocerebellar Ataxia 14	SCAR14
Sparca1	Cerebellar Ataxia, Autosomal Recessive, Spectrin-Associated, 1
Spectrin-Associated Autosomal Recessive Cerebellar Ataxia	Ataxie Spinocerebelleuse A Debut Infantile Avec Retard Psychomoteur
Autosomal Recessive Spinocerebellar Ataxia Type 14	Infantile-Onset Spinocerebellar Ataxia-Psychomotor Delay Syndrome
Sparca	Spectrin-Associated Autosomal Recessive Cerebellar Ataxia Type 1
Spinocerebellar Ataxia, Autosomal Recessive, 14	Spectrin-Associated Autosomal Recessive Cerebellar Ataxia 1
Ataxia, Spinocerebellar, Autosomal Recessive, Type 14

Pontocerebellar Hypoplasia, Type 6

Pontocerebellar Hypoplasia Type 6	PCH6
Fatal Infantile Encephalopathy With Mitochondrial Respiratory Chain Defects	Encephalopathy, Fatal Infantile, With Mitochondrial Respiratory Chain Defects
Encephalopathy Fatal Infantile With Mitochondrial Respiratory Chain Defects	Pontocerebellar Hypoplasia 6
Hypoplasia, Pontocerebellar, Type 6

Developmental And Epileptic Encephalopathy 75

DEE75	Epileptic Encephalopathy, Early Infantile, 75
Eiee75	Developmental And Epileptic Encephalopathy, 75
Early Infantile Epileptic Encephalopathy 75

Neuronopathy, Distal Hereditary Motor, Type Va

Dsmav	Distal Hereditary Motor Neuropathy Type V
Young Adult-Onset Distal Hereditary Motor Neuropathy	Neuronopathy, Distal Hereditary Motor, Type V
Distal Hereditary Motor Neuronopathy Type 5	Dhmn5
Distal Spinal Muscular Atrophy Type 5	HMN5A
Hmn5	Dhmn5a
Dhmn Va	Dsmava
Spinal Muscular Atrophy, Distal, With Upper Limb Predominance	Distal Hmn V
Autosomal Recessive Distal Spinal Muscular Atrophy Type 5	Dsma5
Young Adult-Onset Dhmn	Dhmn-V
Hmn V	Neuronopathy, Distal Hereditary Motor, Type 5a
Hmn 5a	Neuropathy, Distal Hereditary Motor, Type Va
Spinal Muscular Atrophy, Distal, Type Va	Spinal Muscular Atrophy, Distal, Type V
Distal Spinal Muscular Atrophy Type V	Distal Spinal Muscular Atrophy With Upper Limb Predominance
Distal Hereditary Motor Neuronopathy Type 5a	Distal Hmn Va
Distal Spinal Muscular Atrophy Type Va	Distal Hereditary Motor Neuropathy, Type V
Distal Hereditary Motor Neuronopathy, Type V	Distal Spinal Muscular Atrophy, Type V
Spinal Muscular Atrophy, Distal Type V	Distal Hereditary Motor Neuropathy Type 5
Neuronopathy, Distal Hereditary Motor, 5a	Dhmn V
Distal Hereditary Motor Neuronopathy Type Va	Distal Hereditary Motor Neuropathy Type Va
Dsma-V	Hmn Va
Spinal Muscular Atrophy Distal Type V	Spinal Muscular Atrophy Distal Type Va
Spinal Muscular Atrophy Distal With Upper Limb Predominance	Neuropathy, Distal Hereditary Motor, Type V
Neuropathy, Motor, Distal, Hereditary, Type Va

Perrault Syndrome

Gonadal Dysgenesis, Xx Type, With Deafness	Ovarian Dysgenesis With Sensorineural Deafness
Gonadal Dysgenesis, Xx Type	Gonadal Dysgenesis With Auditory Dysfunction, Autosomal Recessive Inheritance
Gonadal Dysgenesis With Sensorineural Deafness, Autosomal Recessive Inheritance	Xx Gonodal Dysgenesis-Deafness Syndrome
Xx Gonodal Dysgenesis-Hearing Loss Syndrome	Gonadal Dysgenesis Xx Type Deafness

Kearns-Sayre Syndrome

Ophthalmoplegia	Mitochondrial Cytopathy
KSS	Ophthalmoplegia, Pigmentary Degeneration Of Retina, And Cardiomyopathy
Oculocraniosomatic Syndrome	Chronic Progressive External Ophthalmoplegia With Myopathy
Cpeo With Myopathy	Total Ophthalmoplegia
Ophthalmoplegia-Plus Syndrome	Ophthalmoplegia, Progressive External, With Ragged-Red Fibers
Cpeo With Ragged-Red Fibers	Oculomotor Paralysis
Renal Tubulopathy, Diabetes Mellitus, And Cerebellar Ataxia Due To Duplication O	Renal Tubulopathy, Diabetes Mellitus, And Cerebellar Ataxia Due To Duplication Of Mitochondrial Dna
Proximal Tubulopathy, Diabetes Mellitus And Cerebellar Ataxia	Cpeo With Ragged Red Fibers
Ophthalmoplegia Plus Syndrome	Ophthalmoplegia, Progressive External, With Ragged Red Fibers
Kearns-Sayre Mitochondrial Cytopathy	Mitochondrial Myopathies

Myopathy, Lactic Acidosis, And Sideroblastic Anemia

Mitochondrial Dna Depletion Syndrome 6

Navajo Neurohepatopathy	Navajo Neuropathy
MTDPS6	Nnh
Nn	Mpv17-Related Hepatocerebral Mitochondrial Dna Depletion Syndrome
Navajo Familial Neurogenic Arthropathy	Mpv17-Associated Hepatocerebral Mds
Mitochondrial Dna Depletion 6 Hepatocerebral Type	Mitochondrial Dna Depletion Syndrome , Type 6

Mitochondrial Complex Ii Deficiency

Isolated Mitochondrial Respiratory Chain Complex Ii Deficiency	Isolated Succinate-Coenzyme Q Reductase Deficiency
Isolated Succinate-Coq Reductase Deficiency	Isolated Succinate-Ubiquinone Reductase Deficiency
Mitochondrial Respiratory Chain Complex Ii Deficiency	Complex 2 Mitochondrial Respiratory Chain Deficiency
Succinate Coq Reductase Deficiency	Succinate Dehydrogenase Deficiency
Isolated Succinate Dehydrogenase Deficiency	Succinate-Coenzyme Q Reductase Deficiency

Pontocerebellar Hypoplasia

Pch	Congenital Pontocerebellar Hypoplasia
Opch	Hypoplasia, Pontocerebellar
Pontoneocerebellar Hypoplasia	Nonsyndromic Pontocerebellar Hypoplasia

Mitochondrial Dna Depletion Syndrome 4a

Alpers Syndrome	Alpers-Huttenlocher Syndrome
Alpers Progressive Infantile Poliodystrophy	Alpers Diffuse Degeneration Of Cerebral Gray Matter With Hepatic Cirrhosis
Alpers Disease	Progressive Sclerosing Poliodystrophy
Pndc	Diffuse Cerebral Sclerosis Of Schilder
MTDPS4A	Neuronal Degeneration Of Childhood With Liver Disease, Progressive
Alper'S Syndrome	Alpers' Disease Or Gray-Matter Degeneration
Diffuse Cerebral Degeneration In Infancy	Infantile Poliodystrophy
Poliodystrophia Cerebri Progressiva	Progressive Cerebral Poliodystrophy
Alpers' Disease	Alpers Progressive Sclerosing Poliodystrophy
Progressive Neuronal Degeneration Of Childhood With Liver Disease	Ahs
Mitochondrial Dna Depletion Syndrome 4a Alpers Type	Neuronal Degeneration Of Childhood With Liver Disease Progressive

Sensory Ataxic Neuropathy, Dysarthria, And Ophthalmoparesis

SANDO	Mitochondrial Recessive Ataxia Syndrome
Spinocerebellar Ataxia With Epilepsy	Epilepsy, Progressive Myoclonic 5
Epm5	Miras
SCAE	Sensory Ataxic Neuropathy With Mitochondrial Dna Deletions, Autosomal Recessive
Autosomal Recessive Sensory Ataxic Neuropathy With Mitochondrial Dna Deletions	Progressive Myoclonic Epilepsy Type 5
Pme Type 5	Progressive Myoclonus Epilepsy Type 5
Sensory Ataxic Neuropathy-Dysarthria-Ophthalmoparesis Syndrome	Recessive Mitochondrial Ataxia Syndrome
Sensory Ataxic Neuropathy Dysarthria And Ophthalmoparesis	Mitochondrial Spinocerebellar Ataxia-Epilepsy Syndrome
Mscae	Sensory Ataxic Neuropathy With Mitochondrial Dna Deletions Autosomal Recessive
Progressive Myoclonic Epilepsy With Sensory Ataxic Neuropathy	Epilepsy, Progressive Myoclonic, 5
Ataxia Neuropathy Spectrum

3-Methylglutaconic Aciduria, Type Iii

Optic Atrophy	3-Methylglutaconic Aciduria Type 3
Costeff Syndrome	Mga3
Costeff Optic Atrophy Syndrome	Optic Atrophy Plus Syndrome
Infantile Optic Atrophy With Chorea And Spastic Paraplegia	3-Methylglutaconic Aciduria Type Iii
Autosomal Recessive Optic Atrophy Plus Syndrome	Autosomal Recessive Optic Atrophy Type 3
Opa3 Defect	MGCA3
Mga, Type Iii	Iraqi Jewish Optic Atrophy Plus
Mga Type Iii	Optic Atrophy, Infantile, With Chorea And Spastic Paraplegia
Iraqi-Jewish 'Optic Atrophy Plus'	Optic Atrophy 3, Autosomal Recessive
Opa3, Autosomal Recessive	Opa3-Related 3-Methylglutaconic Aciduria
Iraqi-Jewish Optic Atrophy Plus	Atrophy Of Optic Disc
3-Alpha Methylglutaconic Aciduria Type Iii	Optic Atrophy 3
Optic Atrophy Infantile With Chorea And Spastic Paraplegia	Autosomal Recessive Opa3
Autosomal Recessive Optic Atrophy 3	3-Methylglutaconic Aciduria 3
3-Alpha-Methylglutaconic Aciduria Type 3	Optic Atrophy 3 Autosomal Recessive
Atrophy, Optic	Atrophy, Optic, Plus Syndrome
Optic Nerve Atrophy	Primary Optic Atrophy
Oa - [Optic Atrophy]	Second Cranial Nerve Atrophy
Second Cranium Nerve Atrophy

Mitochondrial Dna Depletion Syndrome

Mtdna Depletion Syndrome

Mitochondrial Myopathy

Mitochondrial Myopathies	Mitochondrial Cytopathy
Myopathies In Mitochondrial Disorders

Mitochondrial Encephalomyopathy

Mitochondrial Encephalomyopathies

Encephalomyopathy, Mitochondrial

Leukoencephalopathy With Vanishing White Matter

Cree Leukoencephalopathy	Vanishing White Matter Disease
Ovarioleukodystrophy	Vanishing White Matter Leukodystrophy
Childhood Ataxia With Central Nervous System Hypomyelinization	Cach
Cach Syndrome	Myelinosis Centralis Diffusa
VWM	Cle
Childhood Ataxia With Central Nervous System Hypomyelination	Childhood Ataxia With Diffuse Central Nervous System Hypomyelination
Cach/Vwm	Cach/Vwm Syndrome
Childhood Ataxia With Central Nervous System Hypomyelination/Vanishing White Matter	Cree Leukoencehalopathy
Late Infantile Cach Syndrome	Juvenile Or Adult Cach Syndrome
Congenital Or Early Infantile Cach Syndrome	Leukodystrophy With Vanishing White Matter

Leber Hereditary Optic Neuropathy, Modifier Of

Leber Optic Atrophy	Leber Hereditary Optic Neuropathy
LHON	Leber'S Hereditary Optic Neuropathy
Leber Optic Atrophy, Susceptibility To	Leber'S Optic Atrophy
LOAM	Loas
Leber'S Disease	Leber'S Optic Neuropathy
Optic Atrophy, Hereditary, Leber	Lhon, Modifier Of
Optic Atrophy, Leber Type	Hereditary Optic Neuroretinopathy
Leber Hereditary Optic Atrophy	Loa
Optic Atrophy Leber Type	Leber Hereditary Optic Neuropathy, Modifier
Leber Hereditary Optic Neuropathy Susceptibility	Modifier Of Leber Hereditary Optic Neuropathy
Lebers Hereditary Optic Neuropathy	Leber Congenital Amaurosis

Mitochondrial Myopathy, Encephalopathy, Lactic Acidosis, And Stroke-Like Episodes

Melas Syndrome	MELAS
Mitochondrial Encephalomyopathy Lactic Acidosis And Stroke-Like Episodes	Mitochondrial Myopathy, Lactic Acidosis, Stroke-Like Episode
Mitochondrial Encephalomyopathy, Lactic Acidosis, And Stroke-Like Episodes	Myopathy, Mitochondrial-Encephalopathy-Lactic Acidosis-Stroke
Mitochondrial Encephalomyopathy, Lactic Acidosis And Stroke-Like Episodes	Mitochondrial Encephalopathy, Lactic Acidosis, And Stroke-Like Episodes
Mitochondrial Myopathy, Encephalopathy, Lactic Acidosis And Stroke-Like Episodes	Mitochondrial Encephalomyopathy With Lactic Acidosis And Stroke-Like Episodes Syndrome
Myopathy, Mitochondrial, Encephalopathy, Lactic Acidosis, And Stroke-Like Episodes

Leigh Syndrome

Leigh Disease	Infantile Subacute Necrotizing Encephalopathy
Leigh Syndrome Due To Mitochondrial Complex Iv Deficiency	LS
Sne	Leigh'S Disease
Leigh Syndrome Due To Mitochondrial Complex I Deficiency	Necrotizing Encephalopathy, Infantile Subacute, Of Leigh
Subacute Necrotizing Encephalomyelopathy	Necrotizing Encephalopathy Infantile Subacute Of Leigh
Leigh Syndrome Due To Mitochondrial Complex Iii Deficiency	Infantile Necrotizing Encephalomyelopathy
Juvenile Subacute Necrotizing Encephalomyelopathy	Leigh'S Necrotizing Encephalopathy
Subacute Necrotizing Encephalopathy	Juvenile Subacute Necrotizing Encephalopathy
Leigh Syndrome Due To Mitochondrial Complex Ii Deficiency	Leigh Syndrome Due To Mitochondrial Complex V Deficiency
Encephalopathy, Subacute Necrotizing, Infantile	Encephalopathy, Subacute Necrotizing, Juvenile
Maternally Inherited Leigh Syndrome	Subacute Necrotising Encephalomyelopathy
Subacute Necrotising Encephalopathy

Hereditary Spastic Paraplegia

Familial Spastic Paraplegia	Hereditary Spastic Paraparesis
Strumpell-Lorrain Disease	Familial Spastic Paraparesis
Hsp	Spg
Strümpell-Lorrain Disease	Spastic Paraplegia, Hereditary
French Settlement Disease	Strumpell-Lorrain Syndrome
Fsp	Spastic Paraplegia, Familial
Spastic Paraplegia Hereditary	Spastic Paraplegia 3, Autosomal Dominant
Spastic Paraparesis	Hereditary Spastic Paralysis
Familial Spastic Paralysis	Hereditary Spastic Ataxia

Early Infantile Epileptic Encephalopathy

Early Infantile Epileptic Encephalopathy With Burst-Suppression	Early Infantile Epileptic Encephalopathy With Suppression Bursts
Eiee	Early Infantile Epileptic Encephalopathy With Suppression-Bursts
Ohtahara Syndrome	Encephalopathy, Epileptic, Early Infantile

Charcot-Marie-Tooth Disease

Cmt	Hmsn
Hereditary Motor And Sensory Neuropathy	Pma
Cmt - Charcot-Marie-Tooth Disease	Charcot Marie Tooth Disease
Charcot-Marie-Tooth Hereditary Neuropathy	Charcot-Marie-Tooth Syndrome
Peroneal Muscular Atrophy	Hereditary Motor And Sensory Neuropathies

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

Related Agents

Pre-clinical Phase

Bioactive Molecules (2)

Cat. No.	Product Name	Effect	Purity	Rare Diseases
HY-161901	BC-1293	Inhibitor	/	Unkown
HY-RS03533	DARS2 Human Pre-designed siRNA Set A	Pre-designed Sets	/	Unkown

Orthologs Information

Species	Symbol	Source	ID
Rattus norvegicus	DARS2	RGD	RGD:1308286
Macaca mulatta	DARS2	VGNC	VGNC:71708
Canis familiaris	DARS2	VGNC	VGNC:39775
Bos taurus	DARS2	VGNC	VGNC:27882
Felis catus	DARS2	VGNC	VGNC:61342
Mus musculus	DARS2	MGD	MGI:2442510