Gene Gene information from NCBI Gene database.
Entrez ID 2904
Gene name Glutamate ionotropic receptor NMDA type subunit 2B
Gene symbol GRIN2B
Synonyms (NCBI Gene)
DEE27EIEE27GluN2BMRD6NMDAR2BNR2BNR3hNR3
Chromosome 12
Chromosome location 12p13.1
Summary This gene encodes a member of the N-methyl-D-aspartate (NMDA) receptor family within the ionotropic glutamate receptor superfamily. The encoded protein is a subunit of the NMDA receptor ion channel which acts as an agonist binding site for glutamate. The
SNPs SNP information provided by dbSNP.
57
SNP ID Visualize variation Clinical significance Consequence
rs138771137 G>A Conflicting-interpretations-of-pathogenicity, benign, likely-benign Synonymous variant, coding sequence variant
rs141109968 C>T Conflicting-interpretations-of-pathogenicity, uncertain-significance Missense variant, coding sequence variant
rs199526748 T>C Conflicting-interpretations-of-pathogenicity Missense variant, genic upstream transcript variant, coding sequence variant
rs199707487 G>A,T Likely-benign, uncertain-significance, conflicting-interpretations-of-pathogenicity Synonymous variant, genic upstream transcript variant, coding sequence variant
rs200608452 G>A Likely-benign, conflicting-interpretations-of-pathogenicity Synonymous variant, genic upstream transcript variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
276
miRTarBase ID miRNA Experiments Reference
MIRT623746 hsa-miR-126-3p HITS-CLIP 23824327
MIRT614963 hsa-miR-4766-5p HITS-CLIP 23824327
MIRT614962 hsa-miR-4762-3p HITS-CLIP 23824327
MIRT657587 hsa-miR-3184-3p HITS-CLIP 23824327
MIRT657585 hsa-miR-3691-3p HITS-CLIP 23824327
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
HDAC1 Activation 19081374
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
93
GO ID Ontology Definition Evidence Reference
GO:0001540 Function Amyloid-beta binding NAS 26719327
GO:0004972 Function NMDA glutamate receptor activity IBA
GO:0004972 Function NMDA glutamate receptor activity IDA 24272827, 26919761, 38538865
GO:0004972 Function NMDA glutamate receptor activity IEA
GO:0004972 Function NMDA glutamate receptor activity ISS
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
138252 4586 ENSG00000273079
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q13224
Protein name Glutamate receptor ionotropic, NMDA 2B (GluN2B) (Glutamate [NMDA] receptor subunit epsilon-2) (N-methyl D-aspartate receptor subtype 2B) (NMDAR2B) (NR2B) (N-methyl-D-aspartate receptor subunit 3) (NR3) (hNR3)
Protein function Component of N-methyl-D-aspartate (NMDA) receptors (NMDARs) that function as heterotetrameric, ligand-gated cation channels with high calcium permeability and voltage-dependent block by Mg(2+) (PubMed:24272827, PubMed:24863970, PubMed:26875626,
PDB 5EWJ , 5EWL , 5EWM , 7EU8 , 7KL0 , 7KL1 , 7KL2 , 7UIS , 7UJP , 7UJQ , 7UJR , 7UJS , 7UJT , 8VUU , 8VUV , 9D37 , 9D38 , 9D39 , 9D3A , 9D3B , 9D3C
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01094 ANF_receptor 60 371 Receptor family ligand binding region Family
PF10613 Lig_chan-Glu_bd 404 542 Ligated ion channel L-glutamate- and glycine-binding site Domain
PF00060 Lig_chan 555 829 Ligand-gated ion channel Family
PF10565 NMDAR2_C 840 1484 N-methyl D-aspartate receptor 2B3 C-terminus Family
Tissue specificity TISSUE SPECIFICITY: Primarily found in the fronto-parieto-temporal cortex and hippocampus pyramidal cells, lower expression in the basal ganglia. {ECO:0000269|PubMed:9547169}.
Sequence
MKPRAECCSPKFWLVLAVLAVSGSRARSQKSPPSIGIAVILVGTSDEVAIKDAHEKDDFH
HLSVVPRVELVAMNETDPKSIITRICDLMSDRKIQGVVFADDTDQEAIAQILDFISAQTL
TPILGIHGGSSMIMADKDESSMFFQFGPSIEQQASVMLNIMEEYDWYIFSIVTTYFPGYQ
DFVNKIRSTIENSFVGWELEEVLLLDMSLDDGDSKIQNQLKKLQSPIILLYCTKEEATYI
FEVANSVGLTGYGYTWIVPSLVAGDTDTVPAEFPTGLISVSYDEWDYGLPARVRDGIAII
TTAASDMLSEHSFIPEPKSSCYNTHEKRIYQSNMLNRYLINVTFEGRNLSFSEDGYQMHP
KLVIILLNKER
KWERVGKWKDKSLQMKYYVWPRMCPETEEQEDDHLSIVTLEEAPFVIVE
SVDPLSGTCMRNTVPCQKRIVTENKTDEEPGYIKKCCKGFCIDILKKISKSVKFTYDLYL
VTNGKHGKKINGTWNGMIGEVVMKRAYMAVGSLTINEERSEVVDFSVPFIETGISVMVSR
SN
GTVSPSAFLEPFSADVWVMMFVMLLIVSAVAVFVFEYFSPVGYNRCLADGREPGGPSF
TIGKAIWLLWGLVFNNSVPVQNPKGTTSKIMVSVWAFFAVIFLASYTANLAAFMIQEEYV
DQVSGLSDKKFQRPNDFSPPFRFGTVPNGSTERNIRNNYAEMHAYMGKFNQRGVDDALLS
LKTGKLDAFIYDAAVLNYMAGRDEGCKLVTIGSGKVFASTGYGIAIQKDSGWKRQVDLAI
LQLFGDGEMEELEALWLTGICHNEKNEVMSSQLDIDNMAGVFYMLGAAM
ALSLITFICEH
LFYWQFRHCFMGVCSGKPGMVFSISRGIYSCIHGVAIEERQSVMNSPTATMNNTHSNILR
LLRTAKNMANLSGVNGSPQSALDFIRRESSVYDISEHRRSFTHSDCKSYNNPPCEENLFS
DYISEVERTFGNLQLKDSNVYQDHYHHHHRPHSIGSASSIDGLYDCDNPPFTTQSRSISK
KPLDIGLPSSKHSQLSDLYGKFSFKSDRYSGHDDLIRSDVSDISTHTVTYGNIEGNAAKR
RKQQYKDSLKKRPASAKSRREFDEIELAYRRRPPRSPDHKRYFRDKEGLRDFYLDQFRTK
ENSPHWEHVDLTDIYKERSDDFKRDSVSGGGPCTNRSHIKHGTGDKHGVVSGVPAPWEKN
LTNVEWEDRSGGNFCRSCPSKLHNYSTTVTGQNSGRQACIRCEACKKAGNLYDISEDNSL
QELDQPAAPVAVTSNASTTKYPQSPTNSKAQKKNRNKLRRQHSYDTFVDLQKEEAALAPR
SVSLKDKGRFMDGSPYAHMFEMSAGESTFANNKSSVPTAGHHHHNNPGGGYMLSKSLYPD
RVTQNPFIPTFGDDQCLLHGSKSYFFRQPTVAGASKARPDFRALVTNKPVVSALHGAVPA
RFQKDICIGNQSNPCVPNNKNPRAFNGSSNGHVYEKLSSIESDV
Sequence length 1484
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Ras signaling pathway
Rap1 signaling pathway
Calcium signaling pathway
cAMP signaling pathway
Neuroactive ligand-receptor interaction
Circadian entrainment
Long-term potentiation
Glutamatergic synapse
Dopaminergic synapse
Alzheimer disease
Amyotrophic lateral sclerosis
Huntington disease
Spinocerebellar ataxia
Prion disease
Pathways of neurodegeneration - multiple diseases
Cocaine addiction
Amphetamine addiction
Nicotine addiction
Alcoholism
Systemic lupus erythematosus
  EPHB-mediated forward signaling
Unblocking of NMDA receptors, glutamate binding and activation
RAF/MAP kinase cascade
Synaptic adhesion-like molecules
Assembly and cell surface presentation of NMDA receptors
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
2646
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Astigmatism Likely pathogenic; Pathogenic rs876661151 RCV000415209
Ataxia Likely pathogenic; Pathogenic rs876661219, rs1057518988 RCV000415402
RCV000414945
Atypical behavior Likely pathogenic rs1555103646 RCV000626715
Autism spectrum disorder Pathogenic rs2497984939 RCV003127386
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cerebral palsy Conflicting classifications of pathogenicity rs199801114 RCV001796512
Colorectal cancer Benign rs1436757161 RCV005912419
developmental delay with intractable seizures Uncertain significance rs773762599 RCV000678805
Epileptic encephalopathy Uncertain significance rs1057519553 RCV000416940
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Akathisia Drug Induced Associate 23226551
Alcohol Related Disorders Associate 35893069
Alcoholism Associate 19736238, 27498914
Alzheimer Disease Inhibit 15287897
Alzheimer Disease Associate 20197096, 20882066, 22800732, 33522999, 35246269, 36006974, 37930868, 39210294
Androgen Insensitivity Syndrome Associate 24863970
Anti N Methyl D Aspartate Receptor Encephalitis Associate 23648631, 32771066
Anxiety Associate 29921740
Attention Deficit and Disruptive Behavior Disorders Inhibit 29864525
Attention Deficit Disorder with Hyperactivity Associate 17010153, 23718928, 34440367, 34923109, 37578679, 37667328