Incidental Mutation 'R8287:Blnk'
ID 638506
Institutional Source Beutler Lab
Gene Symbol Blnk
Ensembl Gene ENSMUSG00000061132
Gene Name B cell linker
Synonyms Ly-57, Bca, SLP-65, Ly57, BCA, BASH, BLNK
MMRRC Submission 067709-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.146) question?
Stock # R8287 (G1)
Quality Score 225.009
Status Validated
Chromosome 19
Chromosomal Location 40917371-40982664 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 40917735 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 419 (Y419C)
Ref Sequence ENSEMBL: ENSMUSP00000057844 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000054769] [ENSMUST00000117695]
AlphaFold Q9QUN3
PDB Structure Solution structure of the SH2 domain from mouse B-cell linker protein BLNK [SOLUTION NMR]
Predicted Effect probably damaging
Transcript: ENSMUST00000054769
AA Change: Y419C

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000057844
Gene: ENSMUSG00000061132
AA Change: Y419C

DomainStartEndE-ValueType
Blast:SH2 139 180 6e-8 BLAST
low complexity region 235 247 N/A INTRINSIC
low complexity region 251 266 N/A INTRINSIC
SH2 345 436 3.07e-19 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000117695
AA Change: Y416C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000112473
Gene: ENSMUSG00000061132
AA Change: Y416C

DomainStartEndE-ValueType
Blast:SH2 139 180 6e-8 BLAST
low complexity region 235 247 N/A INTRINSIC
low complexity region 251 266 N/A INTRINSIC
SH2 342 433 3.07e-19 SMART
Meta Mutation Damage Score 0.2931 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 100% (27/27)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a cytoplasmic linker or adaptor protein that plays a critical role in B cell development. This protein bridges B cell receptor-associated kinase activation with downstream signaling pathways, thereby affecting various biological functions. The phosphorylation of five tyrosine residues is necessary for this protein to nucleate distinct signaling effectors following B cell receptor activation. Mutations in this gene cause hypoglobulinemia and absent B cells, a disease in which the pro- to pre-B-cell transition is developmentally blocked. Deficiency in this protein has also been shown in some cases of pre-B acute lymphoblastic leukemia. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, May 2012]
PHENOTYPE: Homozygotes for targeted null mutations exhibit a partial block in pre-B cell development, a lack of B1 B cells, reduced numbers of mature B cells, lower IgM and IgG3 serum levels, poor IgM immune responses, and a high incidence of pre-B cell lymphoma. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 27 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actn1 A G 12: 80,220,852 (GRCm39) probably null Het
Apcs T G 1: 172,721,814 (GRCm39) L177F possibly damaging Het
Arsa G T 15: 89,357,593 (GRCm39) H457N probably benign Het
Atg10 A T 13: 91,170,799 (GRCm39) probably benign Het
Cdon A G 9: 35,375,225 (GRCm39) D417G probably benign Het
Cntnap4 T C 8: 113,585,775 (GRCm39) S1133P probably damaging Het
Cops2 T A 2: 125,701,037 (GRCm39) probably benign Het
Cyp2c40 T A 19: 39,755,899 (GRCm39) M472L probably damaging Het
Dlg5 T A 14: 24,214,453 (GRCm39) Q379L probably benign Het
Dnah12 A G 14: 26,534,560 (GRCm39) I2019V probably benign Het
Dock7 T C 4: 98,866,157 (GRCm39) Y1241C unknown Het
Dock8 T C 19: 25,107,825 (GRCm39) Y852H probably damaging Het
Fcrlb T A 1: 170,739,653 (GRCm39) Y83F probably damaging Het
Foxj2 G A 6: 122,805,226 (GRCm39) A33T possibly damaging Het
Gcnt2 T C 13: 41,014,108 (GRCm39) F93S probably damaging Het
Gm14180 A G 11: 99,625,068 (GRCm39) S17P unknown Het
Gucy1b2 T C 14: 62,649,265 (GRCm39) Q437R probably damaging Het
Hyou1 A G 9: 44,299,430 (GRCm39) D707G probably benign Het
Ncam2 A G 16: 81,323,883 (GRCm39) Q509R probably benign Het
Npsr1 T C 9: 24,201,258 (GRCm39) V214A probably damaging Het
Or8g51 T C 9: 38,609,633 (GRCm39) T14A probably benign Het
Slc50a1 G A 3: 89,177,710 (GRCm39) probably null Het
Speg T A 1: 75,398,880 (GRCm39) M2109K probably benign Het
Stxbp5 T C 10: 9,660,129 (GRCm39) H722R probably benign Het
Vmn2r19 A G 6: 123,308,588 (GRCm39) N555S probably damaging Het
Xrcc1 G A 7: 24,271,703 (GRCm39) R562H probably damaging Het
Zscan18 T G 7: 12,509,298 (GRCm39) K67N unknown Het
Other mutations in Blnk
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00780:Blnk APN 19 40,922,890 (GRCm39) missense probably benign 0.15
IGL01286:Blnk APN 19 40,922,950 (GRCm39) missense probably benign 0.00
IGL02090:Blnk APN 19 40,922,929 (GRCm39) missense probably benign 0.38
IGL02814:Blnk APN 19 40,950,873 (GRCm39) missense probably damaging 1.00
IGL02831:Blnk APN 19 40,950,873 (GRCm39) missense probably damaging 1.00
IGL03024:Blnk APN 19 40,982,445 (GRCm39) splice site probably benign
Augen UTSW 19 40,917,735 (GRCm39) missense probably damaging 1.00
Blick UTSW 19 40,922,903 (GRCm39) missense probably damaging 1.00
busy UTSW 19 40,940,835 (GRCm39) nonsense probably null
Buzzy UTSW 19 40,982,482 (GRCm39) missense probably benign 0.39
There UTSW 19 40,940,834 (GRCm39) missense possibly damaging 0.94
IGL02988:Blnk UTSW 19 40,917,660 (GRCm39) missense probably damaging 1.00
R0140:Blnk UTSW 19 40,928,668 (GRCm39) missense probably damaging 0.99
R0671:Blnk UTSW 19 40,926,111 (GRCm39) nonsense probably null
R1617:Blnk UTSW 19 40,950,807 (GRCm39) missense probably benign
R1638:Blnk UTSW 19 40,926,122 (GRCm39) missense probably benign
R1803:Blnk UTSW 19 40,940,821 (GRCm39) missense probably damaging 0.96
R1970:Blnk UTSW 19 40,928,609 (GRCm39) splice site probably benign
R2880:Blnk UTSW 19 40,950,899 (GRCm39) missense probably damaging 1.00
R2980:Blnk UTSW 19 40,950,794 (GRCm39) missense probably damaging 1.00
R5421:Blnk UTSW 19 40,956,967 (GRCm39) missense probably damaging 1.00
R5987:Blnk UTSW 19 40,917,733 (GRCm39) missense possibly damaging 0.95
R6321:Blnk UTSW 19 40,922,903 (GRCm39) missense probably damaging 1.00
R6703:Blnk UTSW 19 40,950,950 (GRCm39) splice site probably null
R6970:Blnk UTSW 19 40,950,821 (GRCm39) missense probably damaging 0.99
R7101:Blnk UTSW 19 40,961,082 (GRCm39) missense probably benign 0.01
R7432:Blnk UTSW 19 40,948,301 (GRCm39) nonsense probably null
R7560:Blnk UTSW 19 40,940,834 (GRCm39) missense possibly damaging 0.94
R7797:Blnk UTSW 19 40,948,232 (GRCm39) missense possibly damaging 0.51
R8473:Blnk UTSW 19 40,940,854 (GRCm39) missense possibly damaging 0.81
R8798:Blnk UTSW 19 40,950,795 (GRCm39) missense probably damaging 1.00
R9094:Blnk UTSW 19 40,982,482 (GRCm39) missense probably benign 0.39
R9139:Blnk UTSW 19 40,922,962 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- GCTGAGGAGTCATAGCCAGAATATG -3'
(R):5'- AAGCTGTCCATGTGGCTTTG -3'

Sequencing Primer
(F):5'- AGTCATAGCCAGAATATGATGTTTTC -3'
(R):5'- TATAGGAAAGTGCAGAGCCTACCC -3'
Posted On 2020-07-28