Incidental Mutation 'R1434:Grin2b'
ID 159378
Institutional Source Beutler Lab
Gene Symbol Grin2b
Ensembl Gene ENSMUSG00000030209
Gene Name glutamate receptor, ionotropic, NMDA2B (epsilon 2)
Synonyms GluRepsilon2, GluN2B, NR2B, NMDAR2B, Nmdar2b
MMRRC Submission 039489-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1434 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 135690231-136150509 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 135820193 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 340 (I340V)
Ref Sequence ENSEMBL: ENSMUSP00000107536 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000053880] [ENSMUST00000111905]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000053880
AA Change: I340V

PolyPhen 2 Score 0.035 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000062284
Gene: ENSMUSG00000030209
AA Change: I340V

DomainStartEndE-ValueType
signal peptide 1 28 N/A INTRINSIC
Pfam:ANF_receptor 106 306 8.6e-10 PFAM
PBPe 431 799 1.06e-67 SMART
Lig_chan-Glu_bd 440 503 1.82e-22 SMART
Pfam:NMDAR2_C 840 1482 4.8e-270 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000111905
AA Change: I340V

PolyPhen 2 Score 0.035 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000107536
Gene: ENSMUSG00000030209
AA Change: I340V

DomainStartEndE-ValueType
signal peptide 1 28 N/A INTRINSIC
Pfam:ANF_receptor 56 307 4.2e-10 PFAM
PBPe 431 799 1.06e-67 SMART
Lig_chan-Glu_bd 440 503 1.82e-22 SMART
Pfam:NMDAR2_C 840 1482 2.1e-245 PFAM
Meta Mutation Damage Score 0.0589 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.6%
  • 20x: 90.4%
Validation Efficiency 99% (73/74)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] N-methyl-D-aspartate (NMDA) receptors are a class of ionotropic glutamate receptors. NMDA receptor channel has been shown to be involved in long-term potentiation, an activity-dependent increase in the efficiency of synaptic transmission thought to underlie certain kinds of memory and learning. NMDA receptor channels are heteromers composed of three different subunits: NR1 (GRIN1), NR2 (GRIN2A, GRIN2B, GRIN2C, or GRIN2D) and NR3 (GRIN3A or GRIN3B). The NR2 subunit acts as the agonist binding site for glutamate. This receptor is the predominant excitatory neurotransmitter receptor in the mammalian brain. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for targeted null mutations exhibit impairments in suckling, in hippocampal long term depression, and in pattern formation of trigeminal nucleus sensory afferent terminals. Mutants die shortly after birth. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca12 G T 1: 71,348,959 (GRCm39) H851N probably benign Het
Adamtsl4 T C 3: 95,588,094 (GRCm39) Y631C probably damaging Het
Ankhd1 A G 18: 36,758,212 (GRCm39) I969V probably benign Het
Apob A G 12: 8,059,715 (GRCm39) I2699M probably damaging Het
Aqr A T 2: 113,980,890 (GRCm39) L297Q probably damaging Het
Arb2a A T 13: 77,910,041 (GRCm39) Y98F probably damaging Het
Camsap1 A G 2: 25,835,190 (GRCm39) Y301H probably damaging Het
Ccdc88c A G 12: 100,905,425 (GRCm39) probably benign Het
Cd209b T A 8: 3,973,367 (GRCm39) I106F possibly damaging Het
Cdkn1b T A 6: 134,898,060 (GRCm39) W60R probably damaging Het
Coasy A G 11: 100,975,822 (GRCm39) probably benign Het
Col2a1 T A 15: 97,877,532 (GRCm39) Q1017L probably damaging Het
Cspg4b G A 13: 113,505,026 (GRCm39) V510I possibly damaging Het
Ctnnal1 T A 4: 56,847,971 (GRCm39) N56I probably damaging Het
Cyb561d2 T A 9: 107,418,842 (GRCm39) probably benign Het
Dcst1 G T 3: 89,259,826 (GRCm39) T632N probably damaging Het
Ddx1 C T 12: 13,287,232 (GRCm39) V267I probably benign Het
Dnah10 A T 5: 124,852,050 (GRCm39) M1736L probably benign Het
Eln G A 5: 134,758,291 (GRCm39) probably benign Het
Elp1 T A 4: 56,781,193 (GRCm39) E493D probably benign Het
Enpp2 A T 15: 54,726,077 (GRCm39) D566E probably damaging Het
Ezh1 T C 11: 101,085,743 (GRCm39) K638R probably damaging Het
Fdx2 C A 9: 20,984,694 (GRCm39) G37W probably benign Het
Il16 T C 7: 83,304,520 (GRCm39) T671A probably benign Het
Kcnd2 T A 6: 21,216,356 (GRCm39) M20K probably damaging Het
Kndc1 C T 7: 139,502,600 (GRCm39) S962F probably damaging Het
L1td1 A G 4: 98,626,054 (GRCm39) S750G possibly damaging Het
Lama2 A G 10: 27,084,366 (GRCm39) C935R probably damaging Het
Lgalsl T C 11: 20,776,418 (GRCm39) D158G possibly damaging Het
Lman1 A T 18: 66,126,144 (GRCm39) probably null Het
Lmtk2 A G 5: 144,111,407 (GRCm39) E709G probably damaging Het
Lrfn3 T C 7: 30,055,352 (GRCm39) H531R possibly damaging Het
Mark3 A G 12: 111,589,759 (GRCm39) probably benign Het
Mov10 T C 3: 104,702,490 (GRCm39) E997G probably damaging Het
Myo15a T A 11: 60,395,157 (GRCm39) W2484R probably benign Het
Myo1g G T 11: 6,459,372 (GRCm39) Q833K probably benign Het
Ncoa3 T A 2: 165,897,430 (GRCm39) D740E probably benign Het
Nol12 A G 15: 78,822,153 (GRCm39) probably benign Het
Nrxn2 T A 19: 6,493,642 (GRCm39) probably null Het
Nsfl1c A C 2: 151,342,666 (GRCm39) I79L probably benign Het
Or52b2 T C 7: 104,986,468 (GRCm39) I152V probably benign Het
Or5b108 A G 19: 13,168,662 (GRCm39) I210M probably benign Het
Or5k1 G T 16: 58,617,811 (GRCm39) H133N probably benign Het
Osbpl8 A C 10: 111,127,442 (GRCm39) E842A probably benign Het
Pdxk G T 10: 78,276,645 (GRCm39) T310K probably benign Het
Phip T G 9: 82,841,658 (GRCm39) K54Q probably damaging Het
Pklr A T 3: 89,050,342 (GRCm39) D366V probably damaging Het
Plxna2 T A 1: 194,433,848 (GRCm39) probably benign Het
Ppp4r3a A T 12: 101,009,783 (GRCm39) V618E probably damaging Het
Prdm12 A T 2: 31,530,319 (GRCm39) Q70L possibly damaging Het
Ptgr3 A G 18: 84,112,596 (GRCm39) K91E probably benign Het
Ptpn21 A T 12: 98,654,849 (GRCm39) M706K probably damaging Het
Ptprq A T 10: 107,422,575 (GRCm39) F1606I probably damaging Het
Rasgrp4 T C 7: 28,837,152 (GRCm39) probably null Het
Rlbp1 C A 7: 79,029,661 (GRCm39) probably null Het
Rtp2 T C 16: 23,746,193 (GRCm39) D166G probably benign Het
Ryr3 A C 2: 112,475,604 (GRCm39) F4481V probably damaging Het
Scn2a A G 2: 65,532,335 (GRCm39) D649G possibly damaging Het
Slc30a5 T A 13: 100,939,950 (GRCm39) D655V probably damaging Het
Slco5a1 G A 1: 12,942,132 (GRCm39) A838V probably benign Het
Spata6l G T 19: 28,905,039 (GRCm39) probably benign Het
Srprb A G 9: 103,067,501 (GRCm39) V239A probably damaging Het
Tceanc2 T C 4: 107,004,837 (GRCm39) T104A probably benign Het
Tcp1 T C 17: 13,141,493 (GRCm39) probably null Het
Unc13b C T 4: 43,239,385 (GRCm39) R1056* probably null Het
Wdr19 G A 5: 65,380,847 (GRCm39) probably benign Het
Zfhx4 T A 3: 5,306,919 (GRCm39) H48Q probably benign Het
Zfp787 T A 7: 6,135,234 (GRCm39) H339L probably damaging Het
Zfp839 G T 12: 110,827,333 (GRCm39) R408L probably benign Het
Other mutations in Grin2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00494:Grin2b APN 6 135,713,329 (GRCm39) missense possibly damaging 0.55
IGL00835:Grin2b APN 6 135,710,568 (GRCm39) missense probably damaging 1.00
IGL01401:Grin2b APN 6 135,713,361 (GRCm39) missense probably damaging 1.00
IGL01523:Grin2b APN 6 136,021,263 (GRCm39) missense probably null 0.99
IGL01719:Grin2b APN 6 135,710,379 (GRCm39) missense probably damaging 0.97
IGL01907:Grin2b APN 6 135,710,738 (GRCm39) missense probably damaging 1.00
IGL01996:Grin2b APN 6 135,709,584 (GRCm39) missense probably damaging 1.00
IGL02309:Grin2b APN 6 135,713,470 (GRCm39) missense probably damaging 1.00
IGL02312:Grin2b APN 6 135,716,088 (GRCm39) missense probably damaging 1.00
IGL02409:Grin2b APN 6 136,020,906 (GRCm39) missense possibly damaging 0.89
IGL02527:Grin2b APN 6 135,900,389 (GRCm39) missense probably damaging 1.00
IGL02535:Grin2b APN 6 135,756,367 (GRCm39) missense possibly damaging 0.70
IGL02570:Grin2b APN 6 135,899,996 (GRCm39) missense probably damaging 1.00
IGL02702:Grin2b APN 6 135,716,130 (GRCm39) missense probably damaging 0.99
IGL03001:Grin2b APN 6 135,716,113 (GRCm39) missense probably damaging 1.00
IGL03274:Grin2b APN 6 135,757,253 (GRCm39) missense possibly damaging 0.90
R0055:Grin2b UTSW 6 135,900,201 (GRCm39) missense probably benign
R0055:Grin2b UTSW 6 135,900,201 (GRCm39) missense probably benign
R0164:Grin2b UTSW 6 135,755,646 (GRCm39) splice site probably benign
R0194:Grin2b UTSW 6 135,756,303 (GRCm39) missense probably damaging 1.00
R0594:Grin2b UTSW 6 135,710,927 (GRCm39) missense probably damaging 1.00
R1928:Grin2b UTSW 6 136,021,044 (GRCm39) missense probably damaging 1.00
R1942:Grin2b UTSW 6 135,709,730 (GRCm39) missense possibly damaging 0.93
R1996:Grin2b UTSW 6 136,021,209 (GRCm39) missense possibly damaging 0.52
R2002:Grin2b UTSW 6 135,710,243 (GRCm39) missense probably damaging 1.00
R2020:Grin2b UTSW 6 135,710,894 (GRCm39) missense probably benign 0.12
R2103:Grin2b UTSW 6 135,757,138 (GRCm39) missense probably benign 0.02
R2127:Grin2b UTSW 6 135,755,698 (GRCm39) missense probably benign 0.03
R2495:Grin2b UTSW 6 135,710,180 (GRCm39) missense probably damaging 1.00
R2656:Grin2b UTSW 6 135,710,427 (GRCm39) missense probably damaging 1.00
R2847:Grin2b UTSW 6 135,717,951 (GRCm39) missense probably damaging 1.00
R2866:Grin2b UTSW 6 135,710,637 (GRCm39) missense probably damaging 1.00
R2867:Grin2b UTSW 6 135,710,637 (GRCm39) missense probably damaging 1.00
R2867:Grin2b UTSW 6 135,710,637 (GRCm39) missense probably damaging 1.00
R3196:Grin2b UTSW 6 135,709,453 (GRCm39) small deletion probably benign
R3418:Grin2b UTSW 6 135,820,108 (GRCm39) missense probably benign 0.02
R3808:Grin2b UTSW 6 135,900,269 (GRCm39) missense probably damaging 0.99
R4028:Grin2b UTSW 6 135,713,433 (GRCm39) missense probably damaging 1.00
R4602:Grin2b UTSW 6 135,755,739 (GRCm39) missense probably damaging 1.00
R4624:Grin2b UTSW 6 135,710,823 (GRCm39) missense probably damaging 0.99
R4677:Grin2b UTSW 6 135,751,870 (GRCm39) missense probably benign 0.13
R4744:Grin2b UTSW 6 135,755,697 (GRCm39) missense probably damaging 1.00
R5020:Grin2b UTSW 6 135,710,405 (GRCm39) missense probably benign 0.01
R5051:Grin2b UTSW 6 135,756,393 (GRCm39) missense possibly damaging 0.84
R5105:Grin2b UTSW 6 135,709,439 (GRCm39) missense probably benign 0.03
R5125:Grin2b UTSW 6 135,900,297 (GRCm39) missense possibly damaging 0.89
R5146:Grin2b UTSW 6 135,756,340 (GRCm39) missense probably damaging 1.00
R5318:Grin2b UTSW 6 135,710,916 (GRCm39) missense probably damaging 0.99
R5349:Grin2b UTSW 6 136,021,281 (GRCm39) missense possibly damaging 0.93
R5426:Grin2b UTSW 6 135,709,366 (GRCm39) missense probably damaging 1.00
R5438:Grin2b UTSW 6 135,713,304 (GRCm39) missense probably damaging 1.00
R5439:Grin2b UTSW 6 135,713,304 (GRCm39) missense probably damaging 1.00
R5440:Grin2b UTSW 6 135,713,304 (GRCm39) missense probably damaging 1.00
R5530:Grin2b UTSW 6 135,710,721 (GRCm39) missense probably benign 0.00
R5603:Grin2b UTSW 6 135,900,395 (GRCm39) missense probably damaging 1.00
R5657:Grin2b UTSW 6 135,710,085 (GRCm39) missense possibly damaging 0.48
R5788:Grin2b UTSW 6 135,717,962 (GRCm39) missense probably benign 0.24
R5941:Grin2b UTSW 6 135,713,371 (GRCm39) missense probably damaging 0.99
R6057:Grin2b UTSW 6 135,710,942 (GRCm39) missense possibly damaging 0.84
R6137:Grin2b UTSW 6 135,900,456 (GRCm39) missense possibly damaging 0.89
R6216:Grin2b UTSW 6 135,749,397 (GRCm39) missense probably damaging 1.00
R6309:Grin2b UTSW 6 135,710,025 (GRCm39) missense probably benign 0.00
R6316:Grin2b UTSW 6 135,757,277 (GRCm39) missense probably benign 0.00
R6419:Grin2b UTSW 6 135,717,965 (GRCm39) missense probably damaging 1.00
R6551:Grin2b UTSW 6 135,710,342 (GRCm39) missense probably damaging 1.00
R6612:Grin2b UTSW 6 135,717,996 (GRCm39) missense probably damaging 1.00
R6616:Grin2b UTSW 6 135,709,549 (GRCm39) missense probably benign
R6647:Grin2b UTSW 6 135,710,108 (GRCm39) missense probably damaging 1.00
R6806:Grin2b UTSW 6 135,751,826 (GRCm39) missense possibly damaging 0.84
R6976:Grin2b UTSW 6 135,757,198 (GRCm39) missense probably benign
R7033:Grin2b UTSW 6 135,900,036 (GRCm39) missense probably damaging 1.00
R7058:Grin2b UTSW 6 135,757,304 (GRCm39) missense probably damaging 0.97
R7144:Grin2b UTSW 6 135,710,474 (GRCm39) missense possibly damaging 0.50
R7190:Grin2b UTSW 6 135,709,946 (GRCm39) missense possibly damaging 0.46
R7238:Grin2b UTSW 6 135,757,249 (GRCm39) missense probably damaging 0.97
R7453:Grin2b UTSW 6 135,717,947 (GRCm39) missense possibly damaging 0.56
R7553:Grin2b UTSW 6 135,749,394 (GRCm39) missense possibly damaging 0.88
R7585:Grin2b UTSW 6 135,756,301 (GRCm39) missense probably damaging 0.99
R7615:Grin2b UTSW 6 135,900,362 (GRCm39) missense probably damaging 1.00
R7632:Grin2b UTSW 6 135,709,553 (GRCm39) missense probably benign 0.02
R7779:Grin2b UTSW 6 135,755,792 (GRCm39) nonsense probably null
R8058:Grin2b UTSW 6 135,710,225 (GRCm39) missense probably damaging 1.00
R8084:Grin2b UTSW 6 135,710,486 (GRCm39) missense probably benign 0.03
R8145:Grin2b UTSW 6 135,709,497 (GRCm39) missense probably benign 0.01
R8308:Grin2b UTSW 6 135,900,074 (GRCm39) missense probably damaging 0.99
R8357:Grin2b UTSW 6 135,709,197 (GRCm39) missense probably benign 0.00
R8379:Grin2b UTSW 6 135,899,967 (GRCm39) missense probably damaging 1.00
R8429:Grin2b UTSW 6 135,710,914 (GRCm39) missense probably damaging 1.00
R8457:Grin2b UTSW 6 135,709,197 (GRCm39) missense probably benign 0.00
R8746:Grin2b UTSW 6 135,899,985 (GRCm39) missense probably benign 0.02
R8925:Grin2b UTSW 6 135,749,339 (GRCm39) missense probably damaging 0.97
R8927:Grin2b UTSW 6 135,749,339 (GRCm39) missense probably damaging 0.97
R8963:Grin2b UTSW 6 136,021,007 (GRCm39) missense probably damaging 1.00
R9075:Grin2b UTSW 6 135,709,509 (GRCm39) frame shift probably null
R9076:Grin2b UTSW 6 135,709,509 (GRCm39) frame shift probably null
R9172:Grin2b UTSW 6 135,756,255 (GRCm39) missense possibly damaging 0.84
R9520:Grin2b UTSW 6 135,710,399 (GRCm39) missense probably damaging 1.00
R9740:Grin2b UTSW 6 135,899,868 (GRCm39) critical splice donor site probably null
RF001:Grin2b UTSW 6 136,021,238 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- CAACACCTGCCTGTCTACTTAGCTC -3'
(R):5'- GGCAGAAAGTTGTCTTGATACATAGCCA -3'

Sequencing Primer
(F):5'- CTCAAGGATTGCCAAAGTCATGTC -3'
(R):5'- gctgccctcagagaagac -3'
Posted On 2014-03-14