Incidental Mutation 'R1575:Sv2b'
ID 171096
Institutional Source Beutler Lab
Gene Symbol Sv2b
Ensembl Gene ENSMUSG00000053025
Gene Name synaptic vesicle glycoprotein 2b
Synonyms A830038F04Rik
MMRRC Submission 039613-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1575 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 74764642-74959010 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 74797425 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 323 (T323I)
Ref Sequence ENSEMBL: ENSMUSP00000146049 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000085164] [ENSMUST00000165175] [ENSMUST00000206344]
AlphaFold Q8BG39
Predicted Effect probably damaging
Transcript: ENSMUST00000085164
AA Change: T323I

PolyPhen 2 Score 0.967 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000082254
Gene: ENSMUSG00000053025
AA Change: T323I

DomainStartEndE-ValueType
Pfam:Sugar_tr 93 415 3.8e-29 PFAM
Pfam:MFS_1 111 429 9.3e-25 PFAM
Pfam:MFS_1 517 681 8.2e-15 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000165175
AA Change: T323I

PolyPhen 2 Score 0.967 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000127245
Gene: ENSMUSG00000053025
AA Change: T323I

DomainStartEndE-ValueType
Pfam:Sugar_tr 89 412 1.5e-29 PFAM
Pfam:MFS_1 111 429 9.5e-25 PFAM
Pfam:Pentapeptide_4 453 528 7.9e-11 PFAM
Pfam:MFS_1 516 681 5.9e-15 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000206344
AA Change: T323I

PolyPhen 2 Score 0.967 (Sensitivity: 0.77; Specificity: 0.95)
Predicted Effect probably benign
Transcript: ENSMUST00000207001
Meta Mutation Damage Score 0.1338 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.5%
Validation Efficiency 100% (72/72)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the synaptic vesicle proteins 2 (SV2) family and major facilitator superfamily of proteins. This protein and other members of the family are localized to synaptic vesicles and may function in the regulation of vesicle trafficking and exocytosis. Studies in mice suggest that the encoded protein may act as a protein receptor for botulinum neurotoxin E in neurons, and that this protein may be important for the integrity of the glomerular filtration barrier. This gene shows reduced expression in areas of synaptic loss in the hippocampus of human temporal lobe epilepsy patients. [provided by RefSeq, Sep 2016]
PHENOTYPE: Homozygotes for a targeted null mutation are phenotypically normal, and Sv2a/Sv2b double knockouts are no more affected than Sv2a single knockouts. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrl2 T A 3: 148,558,398 (GRCm39) T437S probably benign Het
Akna A G 4: 63,297,570 (GRCm39) F828S probably benign Het
Alg9 G T 9: 50,686,802 (GRCm39) A40S possibly damaging Het
Alox8 T A 11: 69,076,067 (GRCm39) H628L possibly damaging Het
Aox3 T C 1: 58,191,713 (GRCm39) W422R probably benign Het
Atp13a4 T C 16: 29,228,528 (GRCm39) D984G probably benign Het
Bcam T C 7: 19,494,307 (GRCm39) E363G possibly damaging Het
Cadps2 C A 6: 23,429,217 (GRCm39) V519F probably damaging Het
Calca A G 7: 114,234,396 (GRCm39) Y18H probably damaging Het
Cd70 A G 17: 57,453,364 (GRCm39) I100T probably damaging Het
Cdk4 T A 10: 126,900,520 (GRCm39) H95Q probably damaging Het
Chchd1 T A 14: 20,753,410 (GRCm39) N11K probably damaging Het
Cma2 T A 14: 56,210,272 (GRCm39) N52K probably damaging Het
Cyp3a16 A G 5: 145,373,267 (GRCm39) V500A probably benign Het
Dicer1 A G 12: 104,688,228 (GRCm39) probably null Het
Dnajc13 A G 9: 104,034,037 (GRCm39) S2206P probably benign Het
Dtl T C 1: 191,293,658 (GRCm39) probably null Het
Fam186b T C 15: 99,184,852 (GRCm39) T24A probably benign Het
Fbxw21 A G 9: 108,990,984 (GRCm39) V25A probably benign Het
Gins1 T C 2: 150,754,758 (GRCm39) S45P probably benign Het
Gtpbp2 T A 17: 46,476,869 (GRCm39) V349D probably damaging Het
Hyal5 G T 6: 24,876,792 (GRCm39) D222Y probably damaging Het
Itgal A G 7: 126,900,060 (GRCm39) probably null Het
Klk14 A G 7: 43,343,377 (GRCm39) probably null Het
Lama1 T A 17: 68,117,404 (GRCm39) L2518Q possibly damaging Het
Lrrc2 G A 9: 110,808,555 (GRCm39) G264D probably benign Het
Ltbp4 A G 7: 27,022,245 (GRCm39) S893P probably damaging Het
Mast4 G A 13: 102,875,771 (GRCm39) P1107L probably damaging Het
Mbd1 T A 18: 74,408,490 (GRCm39) probably null Het
Naip2 A T 13: 100,291,529 (GRCm39) D1136E probably benign Het
Naip2 G A 13: 100,291,537 (GRCm39) probably benign Het
Ncan G A 8: 70,562,848 (GRCm39) T470I probably benign Het
Npy1r A T 8: 67,156,813 (GRCm39) I78F probably damaging Het
Or10q1b A T 19: 13,682,889 (GRCm39) M233L probably benign Het
Or8b52 G A 9: 38,576,573 (GRCm39) T189M probably damaging Het
Palb2 A T 7: 121,710,061 (GRCm39) probably null Het
Pax3 T C 1: 78,080,121 (GRCm39) T422A probably benign Het
Pebp1 A T 5: 117,424,229 (GRCm39) D72E possibly damaging Het
Pnliprp1 A T 19: 58,728,901 (GRCm39) T363S probably benign Het
Rbm44 G A 1: 91,084,565 (GRCm39) probably null Het
Rbm47 T A 5: 66,182,358 (GRCm39) Y425F probably benign Het
Robo3 G T 9: 37,340,957 (GRCm39) A83E probably damaging Het
Rrm1 A G 7: 102,105,721 (GRCm39) Y279C probably damaging Het
Rslcan18 A T 13: 67,256,121 (GRCm39) probably benign Het
Scara5 C A 14: 65,968,314 (GRCm39) Q196K probably benign Het
Setd1b C T 5: 123,301,210 (GRCm39) probably benign Het
Siah1a A G 8: 87,451,869 (GRCm39) F205S probably damaging Het
Smr2 AT ATT 5: 88,256,683 (GRCm39) probably null Het
Ssu72 A G 4: 155,815,814 (GRCm39) D86G probably benign Het
St7 G T 6: 17,886,110 (GRCm39) K357N probably damaging Het
Syt1 T C 10: 108,340,361 (GRCm39) N319S probably benign Het
Tanc1 T A 2: 59,621,995 (GRCm39) F371L probably damaging Het
Tcf20 C A 15: 82,739,693 (GRCm39) G586V probably benign Het
Tg T C 15: 66,601,534 (GRCm39) probably null Het
Tyk2 A T 9: 21,026,758 (GRCm39) N620K probably benign Het
Ube2j1 T A 4: 33,045,116 (GRCm39) S130T probably benign Het
Ubr2 G T 17: 47,243,418 (GRCm39) P1696H probably damaging Het
Ubr5 A T 15: 38,041,085 (GRCm39) D266E probably damaging Het
Vipr2 A G 12: 116,107,892 (GRCm39) T426A probably benign Het
Vmn2r104 A T 17: 20,262,477 (GRCm39) W218R probably damaging Het
Vmn2r83 T A 10: 79,314,956 (GRCm39) N401K probably damaging Het
Vwf A G 6: 125,632,214 (GRCm39) E82G unknown Het
Vwf T A 6: 125,640,534 (GRCm39) Y2323* probably null Het
Wdr76 T G 2: 121,359,402 (GRCm39) V329G probably damaging Het
Zan A G 5: 137,460,214 (GRCm39) C1226R unknown Het
Zbtb16 G T 9: 48,743,572 (GRCm39) Q247K probably damaging Het
Zfp541 T C 7: 15,812,640 (GRCm39) V431A possibly damaging Het
Other mutations in Sv2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01463:Sv2b APN 7 74,786,203 (GRCm39) missense probably damaging 1.00
IGL02302:Sv2b APN 7 74,773,947 (GRCm39) missense probably damaging 0.98
IGL02352:Sv2b APN 7 74,786,197 (GRCm39) missense probably benign 0.01
IGL02359:Sv2b APN 7 74,786,197 (GRCm39) missense probably benign 0.01
IGL02698:Sv2b APN 7 74,790,726 (GRCm39) critical splice donor site probably null
IGL02713:Sv2b APN 7 74,773,911 (GRCm39) missense possibly damaging 0.66
IGL03075:Sv2b APN 7 74,786,068 (GRCm39) missense probably benign
IGL03392:Sv2b APN 7 74,806,508 (GRCm39) critical splice acceptor site probably null
R0015:Sv2b UTSW 7 74,775,389 (GRCm39) missense probably damaging 1.00
R0033:Sv2b UTSW 7 74,767,489 (GRCm39) missense probably benign 0.00
R0033:Sv2b UTSW 7 74,767,489 (GRCm39) missense probably benign 0.00
R0219:Sv2b UTSW 7 74,807,015 (GRCm39) critical splice donor site probably null
R0277:Sv2b UTSW 7 74,856,187 (GRCm39) missense possibly damaging 0.62
R0469:Sv2b UTSW 7 74,786,140 (GRCm39) missense probably benign
R0510:Sv2b UTSW 7 74,786,140 (GRCm39) missense probably benign
R1219:Sv2b UTSW 7 74,786,160 (GRCm39) missense probably benign 0.01
R1307:Sv2b UTSW 7 74,856,182 (GRCm39) missense probably damaging 1.00
R1476:Sv2b UTSW 7 74,769,791 (GRCm39) missense possibly damaging 0.72
R1520:Sv2b UTSW 7 74,807,077 (GRCm39) missense probably damaging 0.98
R1585:Sv2b UTSW 7 74,797,425 (GRCm39) missense probably damaging 0.97
R1666:Sv2b UTSW 7 74,856,089 (GRCm39) missense probably benign 0.01
R1712:Sv2b UTSW 7 74,798,807 (GRCm39) missense possibly damaging 0.78
R1864:Sv2b UTSW 7 74,773,828 (GRCm39) missense probably benign 0.17
R1993:Sv2b UTSW 7 74,856,089 (GRCm39) missense probably benign 0.01
R2191:Sv2b UTSW 7 74,773,836 (GRCm39) missense probably damaging 1.00
R3836:Sv2b UTSW 7 74,807,176 (GRCm39) missense probably damaging 1.00
R4744:Sv2b UTSW 7 74,856,266 (GRCm39) missense probably benign 0.01
R4757:Sv2b UTSW 7 74,773,918 (GRCm39) missense probably benign 0.31
R4924:Sv2b UTSW 7 74,786,169 (GRCm39) missense probably benign 0.20
R4990:Sv2b UTSW 7 74,767,470 (GRCm39) missense possibly damaging 0.55
R4991:Sv2b UTSW 7 74,767,470 (GRCm39) missense possibly damaging 0.55
R5038:Sv2b UTSW 7 74,807,173 (GRCm39) missense probably damaging 1.00
R5726:Sv2b UTSW 7 74,773,962 (GRCm39) missense possibly damaging 0.67
R5885:Sv2b UTSW 7 74,806,501 (GRCm39) missense probably damaging 1.00
R6379:Sv2b UTSW 7 74,786,048 (GRCm39) missense possibly damaging 0.73
R6410:Sv2b UTSW 7 74,789,857 (GRCm39) missense probably benign 0.40
R6623:Sv2b UTSW 7 74,856,132 (GRCm39) missense probably damaging 1.00
R6709:Sv2b UTSW 7 74,773,887 (GRCm39) missense probably benign 0.40
R6873:Sv2b UTSW 7 74,855,954 (GRCm39) missense probably damaging 1.00
R6889:Sv2b UTSW 7 74,775,515 (GRCm39) splice site probably null
R7123:Sv2b UTSW 7 74,767,450 (GRCm39) missense possibly damaging 0.94
R7278:Sv2b UTSW 7 74,797,402 (GRCm39) missense probably damaging 0.99
R7363:Sv2b UTSW 7 74,797,402 (GRCm39) missense probably damaging 0.99
R7378:Sv2b UTSW 7 74,797,476 (GRCm39) critical splice acceptor site probably null
R7426:Sv2b UTSW 7 74,773,812 (GRCm39) missense probably damaging 1.00
R7452:Sv2b UTSW 7 74,797,461 (GRCm39) missense probably damaging 1.00
R7504:Sv2b UTSW 7 74,786,131 (GRCm39) missense probably benign 0.14
R8425:Sv2b UTSW 7 74,767,347 (GRCm39) missense probably damaging 1.00
R8490:Sv2b UTSW 7 74,855,833 (GRCm39) splice site probably null
R8752:Sv2b UTSW 7 74,855,842 (GRCm39) missense possibly damaging 0.85
R8905:Sv2b UTSW 7 74,767,459 (GRCm39) missense probably benign 0.00
R9058:Sv2b UTSW 7 74,789,822 (GRCm39) critical splice donor site probably null
R9075:Sv2b UTSW 7 74,789,845 (GRCm39) missense possibly damaging 0.93
R9114:Sv2b UTSW 7 74,856,017 (GRCm39) missense probably damaging 1.00
R9417:Sv2b UTSW 7 74,769,772 (GRCm39) missense probably damaging 0.99
R9568:Sv2b UTSW 7 74,775,428 (GRCm39) missense probably benign 0.12
R9596:Sv2b UTSW 7 74,767,462 (GRCm39) missense probably damaging 1.00
R9704:Sv2b UTSW 7 74,797,420 (GRCm39) missense possibly damaging 0.48
R9711:Sv2b UTSW 7 74,856,238 (GRCm39) missense probably benign 0.01
R9717:Sv2b UTSW 7 74,769,676 (GRCm39) missense probably benign 0.19
R9731:Sv2b UTSW 7 74,786,068 (GRCm39) missense probably benign 0.01
Predicted Primers PCR Primer
(F):5'- CATGCACTTGTACACATACACACAATGC -3'
(R):5'- ACCCCTTGGAGCCAAAACCTAGTTAT -3'

Sequencing Primer
(F):5'- acacatacacacaATGCAAATAATTC -3'
(R):5'- AGTTATCCTTCCAATGCAGACTGG -3'
Posted On 2014-04-13