Incidental Mutation 'R6993:Cryab'
ID 543980
Institutional Source Beutler Lab
Gene Symbol Cryab
Ensembl Gene ENSMUSG00000032060
Gene Name crystallin, alpha B
Synonyms Crya2, HspB5, Crya-2, alpha B-crystallin
MMRRC Submission 045099-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.389) question?
Stock # R6993 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 50662625-50667936 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 50664748 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 58 (P58S)
Ref Sequence ENSEMBL: ENSMUSP00000149803 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034562] [ENSMUST00000042790] [ENSMUST00000214609] [ENSMUST00000214962] [ENSMUST00000216755] [ENSMUST00000217159] [ENSMUST00000217475]
AlphaFold P23927
Predicted Effect probably benign
Transcript: ENSMUST00000034562
AA Change: P58S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000034562
Gene: ENSMUSG00000032060
AA Change: P58S

DomainStartEndE-ValueType
Pfam:Crystallin 1 56 7.3e-32 PFAM
Pfam:HSP20 67 162 2.1e-27 PFAM
low complexity region 166 175 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000042790
SMART Domains Protein: ENSMUSP00000042374
Gene: ENSMUSG00000038086

DomainStartEndE-ValueType
Pfam:Crystallin 14 55 1.6e-8 PFAM
Pfam:HSP20 66 163 5.7e-19 PFAM
low complexity region 166 182 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000214609
AA Change: P58S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
Predicted Effect probably benign
Transcript: ENSMUST00000214962
AA Change: P58S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
Predicted Effect probably benign
Transcript: ENSMUST00000216755
AA Change: P58S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
Predicted Effect probably benign
Transcript: ENSMUST00000217159
Predicted Effect probably benign
Transcript: ENSMUST00000217475
AA Change: P58S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 99% (66/67)
MGI Phenotype FUNCTION: This gene encodes a member of the small heat-shock protein (HSP20) family. The encoded protein is a molecular chaperone that protects proteins against thermal denaturation and other stresses. This protein is a component of the eye lens, regulates lens differentiation and functions as a refractive element in the lens. This protein is a negative regulator of inflammation, has anti-apoptotic properties and also plays a role in the formation of muscular tissue. Mice lacking this gene exhibit worse experimental autoimmune encephalomyelitis and inflammation of the central nervous system compared to the wild type. In mouse models, this gene has a critical role in alleviating the pathology of the neurodegenerative Alexander disease. Mutations in the human gene are associated with myofibrillar myopathy 2, fatal infantile hypertonic myofibrillar myopathy, multiple types of cataract and dilated cardiomyopathy. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]
PHENOTYPE: Mice homozygous or heterozygous for a knock-in allele exhibit decreased grip strength and develop cataracts and myopathy; some mice display unilateral corneal abnormalities and small eyes. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 66 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700011L22Rik T C 8: 79,975,053 (GRCm39) E10G possibly damaging Het
Akap9 A G 5: 4,115,866 (GRCm39) I3429V possibly damaging Het
Braf T A 6: 39,620,097 (GRCm39) I441F probably damaging Het
C5ar1 A T 7: 15,982,837 (GRCm39) V61E probably damaging Het
Camk2a C A 18: 61,076,247 (GRCm39) probably benign Het
Cd163 A G 6: 124,294,673 (GRCm39) Y579C probably damaging Het
Celf1 T C 2: 90,840,821 (GRCm39) Y363H probably damaging Het
Cntn3 T C 6: 102,255,365 (GRCm39) T178A probably damaging Het
Ctsf G T 19: 4,908,511 (GRCm39) R290L probably benign Het
Ctsw T A 19: 5,515,865 (GRCm39) I258F probably damaging Het
Dnah7b T C 1: 46,234,299 (GRCm39) probably null Het
Drg1 TCATCTTCCA TCA 11: 3,200,294 (GRCm39) probably null Het
Etfb A G 7: 43,105,978 (GRCm39) T172A possibly damaging Het
Etfdh A G 3: 79,519,338 (GRCm39) Y272H probably benign Het
Ewsr1 C T 11: 5,021,573 (GRCm39) R454Q probably benign Het
F2rl2 T A 13: 95,837,642 (GRCm39) I229N probably damaging Het
Fam162a A T 16: 35,870,215 (GRCm39) I88N probably damaging Het
Fastkd5 A G 2: 130,458,459 (GRCm39) S44P probably benign Het
Fat3 T G 9: 15,830,517 (GRCm39) S4326R probably damaging Het
Fbf1 T C 11: 116,043,610 (GRCm39) K400E probably benign Het
Fndc7 A G 3: 108,783,907 (GRCm39) V234A probably benign Het
Gfi1 T A 5: 107,865,634 (GRCm39) H481L probably damaging Het
Gm5591 T A 7: 38,218,647 (GRCm39) H742L probably benign Het
Golm1 ACTTCTTCT ACTTCT 13: 59,797,390 (GRCm39) probably benign Het
H2-DMb1 A C 17: 34,376,324 (GRCm39) T148P possibly damaging Het
H2-T3 A G 17: 36,497,962 (GRCm39) L317P probably damaging Het
Hes3 T C 4: 152,371,380 (GRCm39) T190A probably benign Het
Hivep1 C T 13: 42,312,190 (GRCm39) L1477F possibly damaging Het
Insr C T 8: 3,308,752 (GRCm39) G95S probably damaging Het
Irf9 A G 14: 55,846,414 (GRCm39) I394V probably benign Het
Kat2b T C 17: 53,945,550 (GRCm39) L323P probably damaging Het
Kdr T C 5: 76,133,071 (GRCm39) D69G probably benign Het
Krt1c C T 15: 101,724,395 (GRCm39) E290K probably damaging Het
Krtap4-6 G T 11: 99,556,545 (GRCm39) R61S unknown Het
Ldc1 A G 4: 130,112,106 (GRCm39) L192P probably damaging Het
Lrrc27 A T 7: 138,822,540 (GRCm39) K477M probably damaging Het
Lvrn T C 18: 47,015,365 (GRCm39) V579A probably benign Het
Malrd1 A T 2: 16,155,602 (GRCm39) I2004L unknown Het
Mast4 A T 13: 102,872,482 (GRCm39) N2103K probably benign Het
Mast4 C T 13: 102,941,155 (GRCm39) V301I probably damaging Het
Myo18a T A 11: 77,749,900 (GRCm39) probably benign Het
Or10d5 T A 9: 39,861,933 (GRCm39) M45L probably benign Het
Or52ab2 G T 7: 102,969,998 (GRCm39) probably benign Het
Pcdhga10 A G 18: 37,882,309 (GRCm39) Y690C probably damaging Het
Pdcd2 A G 17: 15,747,343 (GRCm39) Y65H probably damaging Het
Ppp1r12a A G 10: 108,076,698 (GRCm39) E309G probably benign Het
Psmb8 A G 17: 34,418,617 (GRCm39) D123G probably damaging Het
Ptcd3 A T 6: 71,862,299 (GRCm39) W513R probably damaging Het
Ptx4 G A 17: 25,343,898 (GRCm39) V383I possibly damaging Het
Ric1 T C 19: 29,564,013 (GRCm39) L589S probably damaging Het
Rmnd5b A G 11: 51,515,427 (GRCm39) probably benign Het
Sec16a A T 2: 26,313,586 (GRCm39) S1925T probably damaging Het
Slc16a11 T A 11: 70,106,842 (GRCm39) M360K possibly damaging Het
Slc19a2 T A 1: 164,088,391 (GRCm39) F79I probably benign Het
Slc2a6 G T 2: 26,917,255 (GRCm39) S45R probably damaging Het
Slco1a7 G A 6: 141,711,468 (GRCm39) T81I possibly damaging Het
Sppl3 T A 5: 115,220,349 (GRCm39) M87K probably damaging Het
Tbcel A T 9: 42,327,413 (GRCm39) L330* probably null Het
Tbx5 A T 5: 120,009,454 (GRCm39) Y321F possibly damaging Het
Tenm3 C T 8: 48,689,474 (GRCm39) D2038N probably damaging Het
Tesk1 A G 4: 43,447,006 (GRCm39) T465A probably benign Het
Unc45a A T 7: 79,975,403 (GRCm39) Y934N probably damaging Het
Unc80 A T 1: 66,588,952 (GRCm39) Q1039L possibly damaging Het
Vmn2r112 T C 17: 22,822,195 (GRCm39) L291P probably benign Het
Wwc2 A T 8: 48,300,500 (GRCm39) F988I unknown Het
Zfp947 G A 17: 22,364,961 (GRCm39) P238S probably benign Het
Other mutations in Cryab
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01073:Cryab APN 9 50,665,855 (GRCm39) missense probably damaging 1.00
R3029:Cryab UTSW 9 50,667,638 (GRCm39) missense probably damaging 0.98
R4999:Cryab UTSW 9 50,665,909 (GRCm39) missense possibly damaging 0.92
R5355:Cryab UTSW 9 50,664,751 (GRCm39) missense probably damaging 1.00
R5427:Cryab UTSW 9 50,667,593 (GRCm39) missense probably damaging 1.00
R6192:Cryab UTSW 9 50,665,813 (GRCm39) missense probably damaging 0.97
R6272:Cryab UTSW 9 50,665,825 (GRCm39) missense possibly damaging 0.80
Predicted Primers PCR Primer
(F):5'- CTAGCCACAATGGACATCGC -3'
(R):5'- GACTATGACCCTCACCATGC -3'

Sequencing Primer
(F):5'- TGGACATCGCCATCCACC -3'
(R):5'- TGGACCAGGAAACCGAGCATC -3'
Posted On 2019-05-13