Gene Gene information from NCBI Gene database.
Entrez ID 4099
Gene name Myelin associated glycoprotein
Gene symbol MAG
Synonyms (NCBI Gene)
GMAS-MAGSIGLEC-4ASIGLEC4SIGLEC4ASPG75
Chromosome 19
Chromosome location 19q13.12
Summary The protein encoded by this gene is a type I membrane protein and member of the immunoglobulin superfamily. It is thought to be involved in the process of myelination. It is a lectin that binds to sialylated glycoconjugates and mediates certain myelin-neu
SNPs SNP information provided by dbSNP.
4
SNP ID Visualize variation Clinical significance Consequence
rs2301600 C>A,G,T Pathogenic Synonymous variant, coding sequence variant, missense variant
rs144553163 C>T Uncertain-significance, conflicting-interpretations-of-pathogenicity Missense variant, coding sequence variant
rs587777229 T>G Pathogenic Coding sequence variant, missense variant
rs771777424 ->AGCTG Pathogenic Coding sequence variant, stop gained
miRNA miRNA information provided by mirtarbase database.
57
miRTarBase ID miRNA Experiments Reference
MIRT454597 hsa-miR-6849-3p HITS-CLIP 23313552
MIRT454596 hsa-miR-3190-5p HITS-CLIP 23313552
MIRT691818 hsa-miR-4786-5p HITS-CLIP 23313552
MIRT454594 hsa-miR-3926 HITS-CLIP 23313552
MIRT454595 hsa-miR-548s HITS-CLIP 23313552
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
47
GO ID Ontology Definition Evidence Reference
GO:0005102 Function Signaling receptor binding IEA
GO:0005886 Component Plasma membrane IBA
GO:0005886 Component Plasma membrane IDA 26179919
GO:0005886 Component Plasma membrane IEA
GO:0005886 Component Plasma membrane ISS
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
159460 6783 ENSG00000105695
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P20916
Protein name Myelin-associated glycoprotein (Siglec-4a)
Protein function Adhesion molecule that mediates interactions between myelinating cells and neurons by binding to neuronal sialic acid-containing gangliosides and to the glycoproteins RTN4R and RTN4RL2 (By similarity). Not required for initial myelination, but s
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF08205 C2-set_2 141 226 CD80-like C2-set immunoglobulin domain Domain
PF13927 Ig_3 239 309 Domain
PF13927 Ig_3 328 396 Domain
Tissue specificity TISSUE SPECIFICITY: Both isoform 1 and isoform 2 are detected in myelinated structures in the central and peripheral nervous system, in periaxonal myelin and at Schmidt-Lanterman incisures (PubMed:6200494, PubMed:9495552). Detected in optic nerve, in olig
Sequence
MIFLTALPLFWIMISASRGGHWGAWMPSSISAFEGTCVSIPCRFDFPDELRPAVVHGVWY
FNSPYPKNYPPVVFKSRTQVVHESFQGRSRLLGDLGLRNCTLLLSNVSPELGGKYYFRGD
LGGYNQYTFSEHSVLDIVNTPNIVVPPEVVAGTEVEVSCMVPDNCPELRPELSWLGHEGL
GEPAVLGRLREDEGTWVQVSLLHFVPTREANGHRLGCQASFPNTTL
QFEGYASMDVKYPP
VIVEMNSSVEAIEGSHVSLLCGADSNPPPLLTWMRDGTVLREAVAESLLLELEEVTPAED
GVYACLAEN
AYGQDNRTVGLSVMYAPWKPTVNGTMVAVEGETVSILCSTQSNPDPILTIF
KEKQILSTVIYESELQLELPAVSPEDDGEYWCVAEN
QYGQRATAFNLSVEFAPVLLLESH
CAAARDTVQCLCVVKSNPEPSVAFELPSRNVTVNESEREFVYSERSGLVLTSILTLRGQA
QAPPRVICTARNLYGAKSLELPFQGAHRLMWAKIGPVGAVVAFAILIAIVCYITQTRRKK
NVTESPSFSAGDNPPVLFSSDFRISGAPEKYESERRLGSERRLLGLRGEPPELDLSYSHS
DLGKRPTKDSYTLTEELAEYAEIRVK
Sequence length 626
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Cell adhesion molecules   Axonal growth inhibition (RHOA activation)
Basigin interactions
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
12
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Hereditary spastic paraplegia 75 Pathogenic; Likely pathogenic rs587777229, rs770601245, rs2301600, rs2513582014, rs2513601109, rs771777424, rs770788013, rs2066456693, rs2066519362 RCV000106310
RCV001998646
RCV000202409
RCV003338183
RCV003755873
View all (4 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
AUTOSOMAL RECESSIVE SPASTIC PARAPLEGIA TYPE 75 Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
COMPLEX HEREDITARY SPASTIC PARAPLEGIA CTD, ClinGen
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
COMPLICATED HEREDITARY SPASTIC PARAPLEGIA Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Hereditary spastic paraplegia Conflicting classifications of pathogenicity; Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acute Erythroblastic Leukemia Erythroblastic Leukemia BEFREE 17223013
★☆☆☆☆
Found in Text Mining only
Adrenoleukodystrophy Adrenoleukodystrophy BEFREE 17828604
★☆☆☆☆
Found in Text Mining only
Amyloidosis Amyloidosis LHGDN 18236455
★☆☆☆☆
Found in Text Mining only
Arthritis Juvenile Juvenile arthritis Pubtator 1380541 Associate
★☆☆☆☆
Found in Text Mining only
Arthritis Rheumatoid Rheumatoid arthritis Pubtator 1380541 Associate
★☆☆☆☆
Found in Text Mining only
Astigmatism Astigmatism HPO_DG
★☆☆☆☆
Found in Text Mining only
Ataxia Ataxia Pubtator 39336794 Associate
★☆☆☆☆
Found in Text Mining only
Atrophy of corpus callosum Atrophy Of Corpus Callosum HPO_DG
★☆☆☆☆
Found in Text Mining only
Autoimmune Diseases Autoimmune Diseases BEFREE 24841380
★☆☆☆☆
Found in Text Mining only
Autosomal recessive spastic paraplegia type 75 Spastic Paraplegia Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations