Incidental Mutation 'I2289:Bank1'
ID609
Institutional Source Beutler Lab
Gene Symbol Bank1
Ensembl Gene ENSMUSG00000037922
Gene NameB cell scaffold protein with ankyrin repeats 1
SynonymsA530094C12Rik
Accession Numbers

Genbank: NM_001033350.2

Is this an essential gene? Probably non essential (E-score: 0.061) question?
Stock #I2289 (G3) of strain 633
Quality Score
Status Validated
Chromosome3
Chromosomal Location136053363-136326066 bp(-) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to A at 136054418 bp
ZygosityHomozygous
Amino Acid Change Aspartic acid to Valine at position 782 (D782V)
Ref Sequence ENSEMBL: ENSMUSP00000035484 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000041577] [ENSMUST00000196159] [ENSMUST00000198206]
Predicted Effect probably damaging
Transcript: ENSMUST00000041577
AA Change: D782V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000035484
Gene: ENSMUSG00000037922
AA Change: D782V

DomainStartEndE-ValueType
DBB 197 327 1.24e-62 SMART
Blast:ANK 341 371 7e-12 BLAST
SCOP:d1awcb_ 344 398 2e-4 SMART
Blast:ANK 377 407 2e-6 BLAST
coiled coil region 465 486 N/A INTRINSIC
low complexity region 502 515 N/A INTRINSIC
coiled coil region 560 583 N/A INTRINSIC
low complexity region 609 622 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196131
Predicted Effect probably damaging
Transcript: ENSMUST00000196159
AA Change: D649V

PolyPhen 2 Score 0.979 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000142366
Gene: ENSMUSG00000037922
AA Change: D649V

DomainStartEndE-ValueType
DBB 64 194 1.24e-62 SMART
Blast:ANK 208 238 6e-12 BLAST
SCOP:d1awcb_ 211 265 1e-4 SMART
Blast:ANK 244 274 3e-6 BLAST
coiled coil region 332 353 N/A INTRINSIC
low complexity region 369 382 N/A INTRINSIC
coiled coil region 427 450 N/A INTRINSIC
low complexity region 476 489 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000197542
Predicted Effect probably damaging
Transcript: ENSMUST00000198206
AA Change: D581V

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000142996
Gene: ENSMUSG00000037922
AA Change: D581V

DomainStartEndE-ValueType
DBB 64 194 5.9e-67 SMART
Blast:ANK 208 238 5e-12 BLAST
SCOP:d1awcb_ 211 265 1e-4 SMART
Blast:ANK 244 274 2e-6 BLAST
low complexity region 300 313 N/A INTRINSIC
coiled coil region 359 382 N/A INTRINSIC
low complexity region 408 421 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000198354
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199902
Meta Mutation Damage Score 0.15 question?
Coding Region Coverage
  • 1x: 87.8%
  • 3x: 75.8%
Het Detection Efficiency55.8%
Validation Efficiency 88% (46/52)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a B-cell-specific scaffold protein that functions in B-cell receptor-induced calcium mobilization from intracellular stores. This protein can also promote Lyn-mediated tyrosine phosphorylation of inositol 1,4,5-trisphosphate receptors. Polymorphisms in this gene are associated with susceptibility to systemic lupus erythematosus. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2009]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit increased germinal center formation and IgM production in response to T-dependent antigens, and show enhanced CD40-mediated B cell proliferative and survival responses. [provided by MGI curators]
Allele List at MGI

All alleles(2) : Targeted, knock-out(1) Targeted, other(1)

Other mutations in this stock
Total: 21 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts12 T A 15: 11,071,808 L146Q probably benign Homo
Adgrv1 A G 13: 81,437,524 L4607P probably damaging Het
Amelx A G X: 169,178,013 probably null Homo
Ankfy1 A G 11: 72,730,485 K199R probably benign Het
Arfgef1 T C 1: 10,173,253 K1024E probably damaging Het
Csmd1 A T 8: 15,912,381 I3271K probably benign Homo
Fat1 A G 8: 45,024,996 I2360V probably benign Homo
Gldc G A 19: 30,147,176 R241* probably null Het
Golgb1 A G 16: 36,898,542 H270R probably benign Het
Heg1 T C 16: 33,763,459 I1212T probably damaging Het
Hes1 T A 16: 30,065,881 S53R probably damaging Het
Ibsp G A 5: 104,302,487 R57Q possibly damaging Homo
Lrp1b A T 2: 41,122,932 I2001K probably damaging Het
Nf1 G A 11: 79,547,776 R2181H probably damaging Het
Nrcam C A 12: 44,564,315 H567Q probably benign Homo
Olfr1350 A T 7: 6,570,819 Y276F probably damaging Het
Olfr642 T C 7: 104,049,754 Y200C probably damaging Homo
Rraga T C 4: 86,576,285 F123L probably damaging Het
Spam1 A G 6: 24,796,478 I143V probably benign Het
Synj2 A G 17: 6,022,267 probably benign Homo
T A T 17: 8,438,642 T112S probably benign Homo
Other mutations in Bank1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00924:Bank1 APN 3 136247634 missense probably damaging 0.99
IGL03088:Bank1 APN 3 136093362 missense probably damaging 0.98
IGL03190:Bank1 APN 3 136100424 missense probably damaging 1.00
PIT4504001:Bank1 UTSW 3 136100419 missense probably damaging 1.00
R0193:Bank1 UTSW 3 136066518 splice site probably benign
R0423:Bank1 UTSW 3 136284017 missense possibly damaging 0.68
R0518:Bank1 UTSW 3 136213942 missense probably damaging 1.00
R0521:Bank1 UTSW 3 136213942 missense probably damaging 1.00
R0587:Bank1 UTSW 3 136214037 splice site probably benign
R0628:Bank1 UTSW 3 136066390 missense probably damaging 1.00
R0723:Bank1 UTSW 3 136054403 splice site probably null
R0811:Bank1 UTSW 3 136093366 missense probably damaging 1.00
R0812:Bank1 UTSW 3 136093366 missense probably damaging 1.00
R1101:Bank1 UTSW 3 136283864 missense probably benign 0.08
R1446:Bank1 UTSW 3 136064143 missense probably damaging 1.00
R1564:Bank1 UTSW 3 136213841 nonsense probably null
R1636:Bank1 UTSW 3 136083226 missense probably damaging 1.00
R1667:Bank1 UTSW 3 136093296 missense probably damaging 1.00
R1751:Bank1 UTSW 3 136234614 missense probably benign 0.00
R1751:Bank1 UTSW 3 136254937 missense probably benign 0.00
R2023:Bank1 UTSW 3 136325918 missense probably benign 0.02
R2851:Bank1 UTSW 3 136242940 missense possibly damaging 0.92
R2852:Bank1 UTSW 3 136242940 missense possibly damaging 0.92
R3411:Bank1 UTSW 3 136247773 splice site probably benign
R4422:Bank1 UTSW 3 136083211 missense probably damaging 0.99
R4499:Bank1 UTSW 3 136284243 missense probably benign 0.44
R4693:Bank1 UTSW 3 136247676 missense probably damaging 0.99
R4744:Bank1 UTSW 3 136247689 missense probably benign 0.12
R4791:Bank1 UTSW 3 136254929 missense probably benign 0.00
R4911:Bank1 UTSW 3 136284243 missense probably benign 0.44
R4967:Bank1 UTSW 3 136066373 missense probably damaging 1.00
R4979:Bank1 UTSW 3 136254901 missense probably damaging 0.99
R5119:Bank1 UTSW 3 136234682 missense possibly damaging 0.67
R5284:Bank1 UTSW 3 136064154 missense probably damaging 1.00
R5547:Bank1 UTSW 3 136066349 missense probably damaging 0.99
R5610:Bank1 UTSW 3 136066387 missense probably damaging 1.00
R6012:Bank1 UTSW 3 136213837 missense probably benign 0.44
R6087:Bank1 UTSW 3 136066429 missense probably damaging 1.00
R6753:Bank1 UTSW 3 136093308 missense probably damaging 1.00
R6764:Bank1 UTSW 3 136242940 missense probably damaging 0.97
R6861:Bank1 UTSW 3 136255003 missense probably benign 0.33
R7013:Bank1 UTSW 3 136100509 missense possibly damaging 0.74
R7436:Bank1 UTSW 3 136055800 missense possibly damaging 0.76
V1662:Bank1 UTSW 3 136054418 missense probably damaging 1.00
Nature of Mutation

DNA sequencing using the SOLiD technique identified an A to T transversion at position 2452of the Bank1 transcript in exon 16 of 17 exons using Genbank record NM_001033350.2. Three transcripts of the Bank1 gene are displayed on Ensembl. The mutated nucleotide causes an aspartic acid to valine substitution at amino acid 782 of the encoded protein. The mutation has been confirmed by DNA sequencing using the Sanger method.

Protein Function and Prediction

The Bank1 gene encodes a 783 amino acid adaptor protein that is highly expressed in B cells.  BANK1 is involved in B-cell receptor (BCR)-induced calcium mobilization from intracellular stores. The protein contains a protein interacting DBB domain at residues 199-326 and two ankyrin repeats at residues 341-370 and 377-407 (Uniprot Q80VH0). BANK-deficient mice display increased CD40 signaling with enhanced germinal center formation and IgM production in response to T-dependent antigens (1). Variants of the human BANK1 gene are associated with the autoimmune disorder systemic lupus erythematosus (SLE; 152700) (2).

 

The D782V alteration does not occur in any known domain.  

References

1. Aiba, Y., Yamazaki, T., Okada, T., Gotoh, K., Sanjo H., Ogata, M., and Kurosaki, T. (2006) BANK negatively regulates Akt activation and subsequent B cell responses. Immunity 24, 259-68.

2. Kozyrev, S. V., Abelson, A.-K., Wojcik, J., et al. (2008) Functional variants in the B-cell gene BANK1 are associated with systemic lupus erythematosus. Nature Genet. 40, 211-216.

Posted On2011-03-03