Glutamate receptor ionotropic, NMDA 2B
Details
- Name
- Glutamate receptor ionotropic, NMDA 2B
- Kind
- protein
- Synonyms
- GluN2B
- Glutamate [NMDA] receptor subunit epsilon-2
- hNR3
- N-methyl D-aspartate receptor subtype 2B
- N-methyl-D-aspartate receptor subunit 3
- NMDAR2B
- NR2B
- NR3
- Gene Name
- GRIN2B
- UniProtKB Entry
- Q13224Swiss-Prot
- Organism
- Humans
- NCBI Taxonomy ID
- 9606
- Amino acid sequence
>lcl|BSEQ0010288|Glutamate receptor ionotropic, NMDA 2B MKPRAECCSPKFWLVLAVLAVSGSRARSQKSPPSIGIAVILVGTSDEVAIKDAHEKDDFH HLSVVPRVELVAMNETDPKSIITRICDLMSDRKIQGVVFADDTDQEAIAQILDFISAQTL TPILGIHGGSSMIMADKDESSMFFQFGPSIEQQASVMLNIMEEYDWYIFSIVTTYFPGYQ DFVNKIRSTIENSFVGWELEEVLLLDMSLDDGDSKIQNQLKKLQSPIILLYCTKEEATYI FEVANSVGLTGYGYTWIVPSLVAGDTDTVPAEFPTGLISVSYDEWDYGLPARVRDGIAII TTAASDMLSEHSFIPEPKSSCYNTHEKRIYQSNMLNRYLINVTFEGRNLSFSEDGYQMHP KLVIILLNKERKWERVGKWKDKSLQMKYYVWPRMCPETEEQEDDHLSIVTLEEAPFVIVE SVDPLSGTCMRNTVPCQKRIVTENKTDEEPGYIKKCCKGFCIDILKKISKSVKFTYDLYL VTNGKHGKKINGTWNGMIGEVVMKRAYMAVGSLTINEERSEVVDFSVPFIETGISVMVSR SNGTVSPSAFLEPFSADVWVMMFVMLLIVSAVAVFVFEYFSPVGYNRCLADGREPGGPSF TIGKAIWLLWGLVFNNSVPVQNPKGTTSKIMVSVWAFFAVIFLASYTANLAAFMIQEEYV DQVSGLSDKKFQRPNDFSPPFRFGTVPNGSTERNIRNNYAEMHAYMGKFNQRGVDDALLS LKTGKLDAFIYDAAVLNYMAGRDEGCKLVTIGSGKVFASTGYGIAIQKDSGWKRQVDLAI LQLFGDGEMEELEALWLTGICHNEKNEVMSSQLDIDNMAGVFYMLGAAMALSLITFICEH LFYWQFRHCFMGVCSGKPGMVFSISRGIYSCIHGVAIEERQSVMNSPTATMNNTHSNILR LLRTAKNMANLSGVNGSPQSALDFIRRESSVYDISEHRRSFTHSDCKSYNNPPCEENLFS DYISEVERTFGNLQLKDSNVYQDHYHHHHRPHSIGSASSIDGLYDCDNPPFTTQSRSISK KPLDIGLPSSKHSQLSDLYGKFSFKSDRYSGHDDLIRSDVSDISTHTVTYGNIEGNAAKR RKQQYKDSLKKRPASAKSRREFDEIELAYRRRPPRSPDHKRYFRDKEGLRDFYLDQFRTK ENSPHWEHVDLTDIYKERSDDFKRDSVSGGGPCTNRSHIKHGTGDKHGVVSGVPAPWEKN LTNVEWEDRSGGNFCRSCPSKLHNYSTTVTGQNSGRQACIRCEACKKAGNLYDISEDNSL QELDQPAAPVAVTSNASTTKYPQSPTNSKAQKKNRNKLRRQHSYDTFVDLQKEEAALAPR SVSLKDKGRFMDGSPYAHMFEMSAGESTFANNKSSVPTAGHHHHNNPGGGYMLSKSLYPD RVTQNPFIPTFGDDQCLLHGSKSYFFRQPTVAGASKARPDFRALVTNKPVVSALHGAVPA RFQKDICIGNQSNPCVPNNKNPRAFNGSSNGHVYEKLSSIESDV
- Number of residues
- 1484
- Molecular Weight
- 166365.885
- Theoretical pI
- 6.92
- GO Classification
- Functionsamyloid-beta binding / glutamate binding / glutamate-gated calcium ion channel activity / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potentialProcessesbrain development / calcium ion transmembrane import into cytosol / chemical synaptic transmission / excitatory chemical synaptic transmission / monoatomic cation transmembrane transport / negative regulation of dendritic spine maintenance / positive regulation of cysteine-type endopeptidase activity / positive regulation of excitatory postsynaptic potential / positive regulation of synaptic transmission, glutamatergic / protein heterotetramerization / regulation of monoatomic cation transmembrane transport / regulation of neuronal synaptic plasticity / regulation of synaptic plasticity / synaptic transmission, glutamatergicComponentscytoplasm / cytoskeleton / endoplasmic reticulum membrane / late endosome / lysosome / postsynaptic density / postsynaptic density membrane / synaptic membrane
- General Function
- Component of NMDA receptor complexes that function as heterotetrameric, ligand-gated ion channels with high calcium permeability and voltage-dependent sensitivity to magnesium. Channel activation requires binding of the neurotransmitter glutamate to the epsilon subunit, glycine binding to the zeta subunit, plus membrane depolarization to eliminate channel inhibition by Mg(2+) (PubMed:26875626, PubMed:26919761, PubMed:28126851, PubMed:8768735). Sensitivity to glutamate and channel kinetics depend on the subunit composition (PubMed:26875626, PubMed:8768735). In concert with DAPK1 at extrasynaptic sites, acts as a central mediator for stroke damage. Its phosphorylation at Ser-1303 by DAPK1 enhances synaptic NMDA receptor channel activity inducing injurious Ca2+ influx through them, resulting in an irreversible neuronal death. Contributes to neural pattern formation in the developing brain. Plays a role in long-term depression (LTD) of hippocampus membrane currents and in synaptic plasticity (By similarity)
- Specific Function
- amyloid-beta binding
- Pfam Domain Function
- Signal Regions
- 1-26
- Transmembrane Regions
- 558-576 631-646 818-837
- Cellular Location
- Cell membrane
- Gene sequence
>lcl|BSEQ0010289|Glutamate receptor ionotropic, NMDA 2B (GRIN2B) ATGAAGCCCAGAGCGGAGTGCTGTTCTCCCAAGTTCTGGTTGGTGTTGGCCGTCCTGGCC GTGTCAGGCAGCAGAGCTCGTTCTCAGAAGAGCCCCCCCAGCATTGGCATTGCTGTCATC CTCGTGGGCACTTCCGACGAGGTGGCCATCAAGGATGCCCACGAGAAAGATGATTTCCAC CATCTCTCCGTGGTACCCCGGGTGGAACTGGTAGCCATGAATGAGACCGACCCAAAGAGC ATCATCACCCGCATCTGTGATCTCATGTCTGACCGGAAGATCCAGGGGGTGGTGTTTGCT GATGACACAGACCAGGAAGCCATCGCCCAGATCCTCGATTTCATTTCAGCACAGACTCTC ACCCCCATCCTGGGCATCCACGGGGGCTCCTCTATGATAATGGCAGATAAGGATGAATCC TCCATGTTCTTCCAGTTTGGCCCATCAATTGAACAGCAAGCTTCCGTAATGCTCAACATC ATGGAAGAATATGACTGGTACATCTTTTCTATCGTCACCACCTATTTCCCTGGCTACCAG GACTTTGTAAACAAGATCCGCAGCACCATTGAGAATAGCTTTGTGGGCTGGGAGCTAGAG GAGGTCCTCCTACTGGACATGTCCCTGGACGATGGAGATTCTAAGATCCAGAATCAGCTC AAGAAACTTCAAAGCCCCATCATTCTTCTTTACTGTACCAAGGAAGAAGCCACCTACATC TTTGAAGTGGCCAACTCAGTAGGGCTGACTGGCTATGGCTACACGTGGATCGTGCCCAGT CTGGTGGCAGGGGATACAGACACAGTGCCTGCGGAGTTCCCCACTGGGCTCATCTCTGTA TCATATGATGAATGGGACTATGGCCTCCCCGCCAGAGTGAGAGATGGAATTGCCATAATC ACCACTGCTGCTTCTGACATGCTGTCTGAGCACAGCTTCATCCCTGAGCCCAAAAGCAGT TGTTACAACACCCACGAGAAGAGAATCTACCAGTCCAATATGCTAAATAGGTATCTGATC AATGTCACTTTTGAGGGGAGGAATTTGTCCTTCAGTGAAGATGGCTACCAGATGCACCCG AAACTGGTGATAATTCTTCTGAACAAGGAGAGGAAGTGGGAAAGGGTGGGGAAGTGGAAA GACAAGTCCCTGCAGATGAAGTACTATGTGTGGCCCCGAATGTGTCCAGAGACTGAAGAG CAGGAGGATGACCATCTGAGCATTGTGACCCTGGAGGAGGCACCATTTGTCATTGTGGAA AGTGTGGACCCTCTGAGTGGAACCTGCATGAGGAACACAGTCCCCTGCCAAAAACGCATA GTCACTGAGAATAAAACAGACGAGGAGCCGGGTTACATCAAAAAATGCTGCAAGGGGTTC TGTATTGACATCCTTAAGAAAATTTCTAAATCTGTGAAGTTCACCTATGACCTTTACCTG GTTACCAATGGCAAGCATGGGAAGAAAATCAATGGAACCTGGAATGGTATGATTGGAGAG GTGGTCATGAAGAGGGCCTACATGGCAGTGGGCTCACTCACCATCAATGAGGAACGATCG GAGGTGGTCGACTTCTCTGTGCCCTTCATAGAGACAGGCATCAGTGTCATGGTGTCACGC AGCAATGGGACTGTCTCACCTTCTGCCTTCTTAGAGCCATTCAGCGCTGACGTATGGGTG ATGATGTTTGTGATGCTGCTCATCGTCTCAGCCGTGGCTGTCTTTGTCTTTGAGTACTTC AGCCCTGTGGGTTATAACAGGTGCCTCGCTGATGGCAGAGAGCCTGGTGGACCCTCTTTC ACCATCGGCAAAGCTATTTGGTTGCTCTGGGGTCTGGTGTTTAACAACTCCGTACCTGTG CAGAACCCAAAGGGGACCACCTCCAAGATCATGGTGTCAGTGTGGGCCTTCTTTGCTGTC ATCTTCCTGGCCAGCTACACTGCCAACTTAGCTGCCTTCATGATCCAAGAGGAATATGTG GACCAGGTTTCTGGCCTGAGCGACAAAAAGTTCCAGAGACCTAATGACTTCTCACCCCCT TTCCGCTTTGGGACCGTGCCCAACGGCAGCACAGAGAGAAATATTCGCAATAACTATGCA GAAATGCATGCCTACATGGGAAAGTTCAACCAGAGGGGTGTAGATGATGCATTGCTCTCC CTGAAAACAGGGAAACTGGATGCCTTCATCTATGATGCAGCAGTGCTGAACTATATGGCA GGCAGAGATGAAGGCTGCAAGCTGGTGACCATTGGCAGTGGGAAGGTCTTTGCTTCCACT GGCTATGGCATTGCCATCCAAAAAGATTCTGGGTGGAAGCGCCAGGTGGACCTTGCTATC CTGCAGCTCTTTGGAGATGGGGAGATGGAAGAACTGGAAGCTCTCTGGCTCACTGGCATT TGTCACAATGAGAAGAATGAGGTCATGAGCAGCCAGCTGGACATTGACAACATGGCAGGG GTCTTCTACATGTTGGGGGCGGCCATGGCTCTCAGCCTCATCACCTTCATCTGCGAACAC CTTTTCTATTGGCAGTTCCGACATTGCTTTATGGGTGTCTGTTCTGGCAAGCCTGGCATG GTCTTCTCCATCAGCAGAGGTATCTACAGCTGCATCCATGGGGTGGCGATCGAGGAGCGC CAGTCTGTAATGAACTCCCCCACCGCAACCATGAACAACACACACTCCAACATCCTGCGC CTGCTGCGCACGGCCAAGAACATGGCTAACCTGTCTGGTGTGAATGGCTCACCGCAGAGC GCCCTGGACTTCATCCGACGGGAGTCATCCGTCTATGACATCTCAGAGCACCGCCGCAGC TTCACGCATTCTGACTGCAAATCCTACAACAACCCGCCCTGTGAGGAGAACCTCTTCAGT GACTACATCAGTGAGGTAGAGAGAACGTTCGGGAACCTGCAGCTGAAGGACAGCAACGTG TACCAAGATCACTACCACCATCACCACCGGCCCCATAGTATTGGCAGTGCCAGCTCCATC GATGGGCTCTACGACTGTGACAACCCACCCTTCACCACCCAGTCCAGGTCCATCAGCAAG AAGCCCCTGGACATCGGCCTCCCCTCCTCCAAGCACAGCCAGCTCAGTGACCTGTACGGC AAATTCTCCTTCAAGAGCGACCGCTACAGTGGCCACGACGACTTGATCCGCTCCGATGTC TCTGACATCTCAACCCACACCGTCACCTATGGGAACATCGAGGGCAATGCCGCCAAGAGG CGTAAGCAGCAATATAAGGACAGCCTGAAGAAGCGGCCTGCCTCGGCCAAGTCCCGCAGG GAGTTTGACGAGATCGAGCTGGCCTACCGTCGCCGACCGCCCCGCTCCCCTGACCACAAG CGCTACTTCAGGGACAAGGAAGGGCTACGGGACTTCTACCTGGACCAGTTCCGAACAAAG GAGAACTCACCCCACTGGGAGCACGTAGACCTGACCGACATCTACAAGGAGCGGAGTGAT GACTTTAAGCGCGACTCCGTCAGCGGAGGAGGGCCCTGTACCAACAGGTCTCACATCAAG CACGGGACGGGCGACAAACACGGCGTGGTCAGCGGGGTACCTGCACCTTGGGAGAAGAAC CTGACCAACGTGGAGTGGGAGGACCGGTCCGGGGGCAACTTCTGCCGCAGCTGTCCCTCC AAGCTGCACAACTACTCCACGACGGTGACGGGTCAGAACTCGGGCAGGCAGGCGTGCATC CGGTGTGAGGCTTGCAAGAAAGCAGGCAACCTGTATGACATCAGTGAGGACAACTCCCTG CAGGAACTGGACCAGCCGGCTGCCCCAGTGGCGGTGACGTCAAACGCCTCCACCACTAAG TACCCTCAGAGCCCGACTAATTCCAAGGCCCAGAAGAAGAACCGGAACAAACTGCGCCGG CAGCACTCCTACGACACCTTCGTGGACCTGCAGAAGGAAGAAGCCGCCCTGGCCCCGCGC AGCGTAAGCCTGAAAGACAAGGGCCGATTCATGGATGGGAGCCCCTACGCCCACATGTTT GAGATGTCAGCTGGCGAGAGCACCTTTGCCAACAACAAGTCCTCAGTGCCCACTGCCGGA CATCACCACCACAACAACCCCGGCGGCGGGTACATGCTCAGCAAGTCGCTCTACCCTGAC CGGGTCACGCAAAACCCTTTCATCCCCACTTTTGGGGACGACCAGTGCTTGCTCCATGGC AGCAAATCCTACTTCTTCAGGCAGCCCACGGTGGCGGGGGCGTCGAAAGCCAGGCCGGAC TTCCGGGCCCTTGTCACCAACAAGCCGGTGGTCTCGGCCCTTCATGGGGCCGTGCCAGCC CGTTTCCAGAAGGACATCTGTATAGGGAACCAGTCCAACCCCTGTGTGCCTAACAACAAA AACCCCAGGGCTTTCAATGGCTCCAGCAATGGGCATGTTTATGAGAAACTTTCTAGTATT GAGTCTGATGTCTGA
- Chromosome Location
- 12
- Locus
- 12p13.1
- External Identifiers
Resource Link UniProtKB ID Q13224 UniProtKB Entry Name NMDE2_HUMAN GenBank Protein ID 1899202 GenBank Gene ID U90278 GeneCard ID GRIN2B GenAtlas ID GRIN2B HGNC ID HGNC:4586 PDB ID(s) 5EWJ, 5EWL, 5EWM, 7EU8, 7KL0, 7KL1, 7KL2, 7UIS, 7UJP, 7UJQ, 7UJR, 7UJS, 7UJT KEGG ID hsa:2904 IUPHAR/Guide To Pharmacology ID 457 NCBI Gene ID 2904 - General References
- Adams SL, Foldes RL, Kamboj RK: Human N-methyl-D-aspartate receptor modulatory subunit hNR3: cloning and sequencing of the cDNA and primary structure of the protein. Biochim Biophys Acta. 1995 Jan 2;1260(1):105-8. [Article]
- Hess SD, Daggett LP, Crona J, Deal C, Lu CC, Urrutia A, Chavez-Noriega L, Ellis SB, Johnson EC, Velicelebi G: Cloning and functional characterization of human heteromeric N-methyl-D-aspartate receptors. J Pharmacol Exp Ther. 1996 Aug;278(2):808-16. [Article]
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- Mandich P, Schito AM, Bellone E, Antonacci R, Finelli P, Rocchi M, Ajmar F: Mapping of the human NMDAR2B receptor subunit gene (GRIN2B) to chromosome 12p12. Genomics. 1994 Jul 1;22(1):216-8. [Article]
- Schito AM, Pizzuti A, Di Maria E, Schenone A, Ratti A, Defferrari R, Bellone E, Mancardi GL, Ajmar F, Mandich P: mRNA distribution in adult human brain of GRIN2B, a N-methyl-D-aspartate (NMDA) receptor subunit. Neurosci Lett. 1997 Dec 12;239(1):49-53. [Article]
- Wu Y, Dowbenko D, Spencer S, Laura R, Lee J, Gu Q, Lasky LA: Interaction of the tumor suppressor PTEN/MMAC with a PDZ domain of MAGI3, a novel membrane-associated guanylate kinase. J Biol Chem. 2000 Jul 14;275(28):21477-85. [Article]
- Endele S, Rosenberger G, Geider K, Popp B, Tamer C, Stefanova I, Milh M, Kortum F, Fritsch A, Pientka FK, Hellenbroich Y, Kalscheuer VM, Kohlhase J, Moog U, Rappold G, Rauch A, Ropers HH, von Spiczak S, Tonnies H, Villeneuve N, Villard L, Zabel B, Zenker M, Laube B, Reis A, Wieczorek D, Van Maldergem L, Kutsche K: Mutations in GRIN2A and GRIN2B encoding regulatory subunits of NMDA receptors cause variable neurodevelopmental phenotypes. Nat Genet. 2010 Nov;42(11):1021-6. doi: 10.1038/ng.677. Epub 2010 Oct 3. [Article]
- de Ligt J, Willemsen MH, van Bon BW, Kleefstra T, Yntema HG, Kroes T, Vulto-van Silfhout AT, Koolen DA, de Vries P, Gilissen C, del Rosario M, Hoischen A, Scheffer H, de Vries BB, Brunner HG, Veltman JA, Vissers LE: Diagnostic exome sequencing in persons with severe intellectual disability. N Engl J Med. 2012 Nov 15;367(20):1921-9. doi: 10.1056/NEJMoa1206524. Epub 2012 Oct 3. [Article]
- Lemke JR, Hendrickx R, Geider K, Laube B, Schwake M, Harvey RJ, James VM, Pepler A, Steiner I, Hortnagel K, Neidhardt J, Ruf S, Wolff M, Bartholdi D, Caraballo R, Platzer K, Suls A, De Jonghe P, Biskup S, Weckhuysen S: GRIN2B mutations in West syndrome and intellectual disability with focal epilepsy. Ann Neurol. 2014 Jan;75(1):147-54. doi: 10.1002/ana.24073. Epub 2014 Jan 2. [Article]
Associated Data
- Drug Relations
Drug Drug group Pharmacological action? Type Actions Details Haloperidol approved unknown target antagonist Details Felbamate approved yes target antagonist Details Glutamic acid approved, nutraceutical unknown target Details Tenocyclidine experimental, illicit, investigational yes target antagonist Details EVT-101 investigational yes target antagonist Details Meperidine approved unknown target antagonist Details Acetylcysteine approved, investigational unknown target activator Details Ifenprodil investigational, withdrawn yes target antagonist Details Taurine approved, nutraceutical yes target inhibitor Details Esketamine approved, investigational yes target antagonist Details Lumateperone approved, investigational yes target Details D-Aspartic Acid experimental yes target agonist Details Aspartic acid approved, nutraceutical yes target agonist Details FG-9041 experimental yes target inhibitor Details Phencyclidine illicit yes target inhibitor Details Kynurenic Acid investigational yes target inhibitor Details Radiprodil investigational yes target antagonist Details CERC-301 investigational yes target antagonist Details Traxoprodil investigational yes target antagonist Details Eliprodil investigational yes target inhibitor Details