Incidental Mutation 'R1446:Unc45b'
ID 158893
Institutional Source Beutler Lab
Gene Symbol Unc45b
Ensembl Gene ENSMUSG00000018845
Gene Name unc-45 myosin chaperone B
Synonyms UNC45, Cmya4, D230041A13Rik
MMRRC Submission 039501-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1446 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 82802112-82834284 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 82819496 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Cysteine at position 490 (G490C)
Ref Sequence ENSEMBL: ENSMUSP00000129405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000018989] [ENSMUST00000108160] [ENSMUST00000164945]
AlphaFold Q8CGY6
Predicted Effect probably damaging
Transcript: ENSMUST00000018989
AA Change: G490C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000018989
Gene: ENSMUSG00000018845
AA Change: G490C

DomainStartEndE-ValueType
TPR 6 39 1.02e1 SMART
TPR 43 76 7.47e0 SMART
TPR 77 110 2.52e-1 SMART
Blast:ARM 167 208 3e-16 BLAST
Blast:ARM 210 250 1e-10 BLAST
Pfam:UNC45-central 298 489 1.7e-41 PFAM
Blast:ARM 541 582 7e-7 BLAST
Blast:ARM 661 701 2e-14 BLAST
Blast:ARM 704 746 5e-11 BLAST
Blast:ARM 747 788 1e-20 BLAST
Blast:ARM 789 820 1e-11 BLAST
low complexity region 821 832 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000108160
AA Change: G490C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000103795
Gene: ENSMUSG00000018845
AA Change: G490C

DomainStartEndE-ValueType
TPR 6 39 1.02e1 SMART
TPR 43 76 7.47e0 SMART
TPR 77 110 2.52e-1 SMART
Blast:ARM 167 208 3e-16 BLAST
Blast:ARM 210 250 1e-10 BLAST
Pfam:UNC45-central 271 489 2.2e-52 PFAM
Blast:ARM 663 703 2e-14 BLAST
Blast:ARM 706 748 5e-11 BLAST
Blast:ARM 749 790 1e-20 BLAST
Blast:ARM 791 822 1e-11 BLAST
low complexity region 823 834 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125499
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142336
Predicted Effect noncoding transcript
Transcript: ENSMUST00000156395
Predicted Effect probably damaging
Transcript: ENSMUST00000164945
AA Change: G490C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000129405
Gene: ENSMUSG00000018845
AA Change: G490C

DomainStartEndE-ValueType
TPR 6 39 1.02e1 SMART
TPR 43 76 7.47e0 SMART
TPR 77 110 2.52e-1 SMART
Blast:ARM 167 208 3e-16 BLAST
Blast:ARM 210 250 1e-10 BLAST
Pfam:UNC45-central 298 489 1.7e-41 PFAM
Blast:ARM 663 703 2e-14 BLAST
Blast:ARM 706 748 5e-11 BLAST
Blast:ARM 749 790 1e-20 BLAST
Blast:ARM 791 822 1e-11 BLAST
low complexity region 823 834 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.3%
  • 20x: 89.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a co-chaperone required for folding and accumulation of type II myosins. The protein consists of three tetratricopeptide repeat motifs at the N-terminus that form a complex with heat shock protein 90, a central region of unknown function that is conserved in all Unc-45 proteins, and a C-terminal Unc-45/Cro1/She4 domain. The protein is expressed at high levels in striated muscle, where its muscle myosin chaperone activity is dependent on heat shock protein 90 acting as a co-chaperone. A missense mutation in this gene has been associated with cataract development. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]
PHENOTYPE: Mice homozygous for a transgenic gene disruption exhibit embryonic lethality at E9 without placental abnormalities. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aasdh C T 5: 77,034,136 (GRCm39) A472T probably benign Het
Adcy4 A T 14: 56,007,480 (GRCm39) probably null Het
Ahcyl2 T C 6: 29,891,239 (GRCm39) S448P probably damaging Het
Anks1b A G 10: 90,346,935 (GRCm39) Y745C probably benign Het
Anxa1 A T 19: 20,351,103 (GRCm39) L339Q probably damaging Het
Apoa4 A G 9: 46,153,591 (GRCm39) D64G probably benign Het
Arpc1a A G 5: 145,037,896 (GRCm39) probably null Het
Bank1 C T 3: 135,769,904 (GRCm39) G727R probably damaging Het
Best2 T C 8: 85,734,593 (GRCm39) Q375R probably benign Het
Cacna1b T A 2: 24,596,189 (GRCm39) M501L probably benign Het
Col27a1 T A 4: 63,143,040 (GRCm39) Y243N probably damaging Het
Cyp11a1 A T 9: 57,922,560 (GRCm39) Q80L possibly damaging Het
Dnah10 T A 5: 124,866,860 (GRCm39) W2260R probably damaging Het
Dnajc19 T C 3: 34,112,128 (GRCm39) H139R probably benign Het
Dppa5a T A 9: 78,275,071 (GRCm39) N77I probably benign Het
Edc4 T C 8: 106,614,764 (GRCm39) S125P probably damaging Het
Eid2 T C 7: 27,968,014 (GRCm39) I212T possibly damaging Het
Fam234b T A 6: 135,186,328 (GRCm39) probably null Het
Frem2 T C 3: 53,562,017 (GRCm39) E830G probably benign Het
Fyb1 A T 15: 6,681,947 (GRCm39) I765L probably benign Het
Fyn T G 10: 39,398,775 (GRCm39) S124A probably benign Het
Gal3st3 T A 19: 5,356,939 (GRCm39) F105I probably damaging Het
Gpr146 A G 5: 139,379,177 (GRCm39) I326M probably benign Het
Grk2 G A 19: 4,337,437 (GRCm39) R617C possibly damaging Het
Gsn A G 2: 35,196,598 (GRCm39) K669R probably benign Het
H2-T10 A T 17: 36,430,266 (GRCm39) I225N possibly damaging Het
Il12rb2 T C 6: 67,286,127 (GRCm39) H106R probably benign Het
Kat14 A G 2: 144,215,638 (GRCm39) E41G probably damaging Het
Kcnma1 G T 14: 23,361,792 (GRCm39) T1006K probably damaging Het
Kif18b G A 11: 102,805,525 (GRCm39) T244I probably damaging Het
Klb A T 5: 65,506,338 (GRCm39) H195L probably damaging Het
Lrriq4 T C 3: 30,704,727 (GRCm39) F252L probably benign Het
Lum C T 10: 97,404,252 (GRCm39) T49I possibly damaging Het
Map3k4 T A 17: 12,475,681 (GRCm39) L84* probably null Het
Mindy2 A G 9: 70,514,738 (GRCm39) probably null Het
Mpped2 G T 2: 106,614,077 (GRCm39) R137L possibly damaging Het
Myo18b G A 5: 112,905,425 (GRCm39) R2058W probably damaging Het
Nol8 T A 13: 49,808,703 (GRCm39) L65Q probably damaging Het
Or11g27 T C 14: 50,771,159 (GRCm39) S97P possibly damaging Het
Or4c108 A G 2: 88,804,109 (GRCm39) I42T probably benign Het
Or4x6 A T 2: 89,949,202 (GRCm39) L247M probably damaging Het
Or5b105 G A 19: 13,080,380 (GRCm39) A96V possibly damaging Het
Or5g9 A G 2: 85,551,917 (GRCm39) H56R probably damaging Het
Or8b3 T G 9: 38,314,601 (GRCm39) C144G possibly damaging Het
Or9a4 C T 6: 40,548,833 (GRCm39) S171L probably benign Het
Parp12 G T 6: 39,079,495 (GRCm39) D338E probably benign Het
Pde6d T C 1: 86,474,414 (GRCm39) E77G probably damaging Het
Phkg1 A C 5: 129,902,055 (GRCm39) probably null Het
Pigw A C 11: 84,769,186 (GRCm39) S48A probably benign Het
Pkm T A 9: 59,576,193 (GRCm39) probably null Het
Ppp1r3f G A X: 7,426,602 (GRCm39) T553M probably damaging Het
Retreg2 T A 1: 75,120,103 (GRCm39) F44L possibly damaging Het
Ryr2 A T 13: 11,753,035 (GRCm39) M1762K probably benign Het
Sec16a A G 2: 26,313,579 (GRCm39) V1927A probably benign Het
Sec23a G T 12: 59,025,345 (GRCm39) A492E probably damaging Het
Skint4 T A 4: 111,975,311 (GRCm39) H82Q probably benign Het
Srbd1 T C 17: 86,446,580 (GRCm39) K60E probably benign Het
Stk24 A G 14: 121,545,456 (GRCm39) Y101H probably damaging Het
Sult1e1 A T 5: 87,726,396 (GRCm39) N239K probably damaging Het
Tgs1 C T 4: 3,604,848 (GRCm39) P757S probably damaging Het
Tmc2 A T 2: 130,090,650 (GRCm39) E665D probably damaging Het
Tmprss15 C A 16: 78,875,846 (GRCm39) D163Y probably benign Het
Unc13a C A 8: 72,101,625 (GRCm39) V1009L possibly damaging Het
Vmn1r177 T A 7: 23,565,765 (GRCm39) H37L probably damaging Het
Vwa5a A G 9: 38,645,264 (GRCm39) M450V possibly damaging Het
Wars2 T C 3: 99,094,843 (GRCm39) I46T probably benign Het
Wdfy3 G T 5: 101,999,176 (GRCm39) T3098K possibly damaging Het
Zan A T 5: 137,387,622 (GRCm39) I4863N unknown Het
Zfp616 A G 11: 73,974,064 (GRCm39) probably null Het
Zfp770 A T 2: 114,027,514 (GRCm39) I185N probably damaging Het
Zfp808 T G 13: 62,320,821 (GRCm39) H683Q probably damaging Het
Zmym4 A T 4: 126,776,275 (GRCm39) W1221R probably damaging Het
Other mutations in Unc45b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01320:Unc45b APN 11 82,803,219 (GRCm39) critical splice acceptor site probably null
IGL01983:Unc45b APN 11 82,827,687 (GRCm39) missense probably benign
IGL02083:Unc45b APN 11 82,813,745 (GRCm39) missense probably damaging 0.96
IGL02159:Unc45b APN 11 82,831,007 (GRCm39) splice site probably benign
IGL02160:Unc45b APN 11 82,831,007 (GRCm39) splice site probably benign
IGL02165:Unc45b APN 11 82,831,007 (GRCm39) splice site probably benign
IGL02166:Unc45b APN 11 82,831,007 (GRCm39) splice site probably benign
IGL02986:Unc45b APN 11 82,808,005 (GRCm39) missense probably damaging 0.98
fife UTSW 11 82,827,678 (GRCm39) missense probably benign 0.00
R0195:Unc45b UTSW 11 82,828,654 (GRCm39) missense probably damaging 1.00
R0197:Unc45b UTSW 11 82,831,031 (GRCm39) missense possibly damaging 0.78
R0218:Unc45b UTSW 11 82,802,686 (GRCm39) splice site probably benign
R0436:Unc45b UTSW 11 82,820,393 (GRCm39) splice site probably benign
R0569:Unc45b UTSW 11 82,827,638 (GRCm39) splice site probably benign
R0701:Unc45b UTSW 11 82,831,031 (GRCm39) missense possibly damaging 0.78
R0883:Unc45b UTSW 11 82,831,031 (GRCm39) missense possibly damaging 0.78
R1146:Unc45b UTSW 11 82,813,733 (GRCm39) missense probably damaging 0.99
R1146:Unc45b UTSW 11 82,813,733 (GRCm39) missense probably damaging 0.99
R1378:Unc45b UTSW 11 82,827,678 (GRCm39) missense probably benign 0.00
R1532:Unc45b UTSW 11 82,827,700 (GRCm39) missense probably benign 0.12
R1559:Unc45b UTSW 11 82,808,672 (GRCm39) missense possibly damaging 0.66
R1582:Unc45b UTSW 11 82,816,771 (GRCm39) missense probably benign 0.30
R1628:Unc45b UTSW 11 82,820,206 (GRCm39) splice site probably null
R1666:Unc45b UTSW 11 82,808,565 (GRCm39) missense probably benign 0.31
R1677:Unc45b UTSW 11 82,802,531 (GRCm39) splice site probably null
R1759:Unc45b UTSW 11 82,820,325 (GRCm39) missense probably benign 0.33
R1909:Unc45b UTSW 11 82,816,913 (GRCm39) missense probably damaging 1.00
R2067:Unc45b UTSW 11 82,802,515 (GRCm39) missense probably benign 0.01
R2111:Unc45b UTSW 11 82,802,515 (GRCm39) missense probably benign 0.01
R2145:Unc45b UTSW 11 82,808,580 (GRCm39) missense probably benign 0.30
R2258:Unc45b UTSW 11 82,808,625 (GRCm39) missense probably benign 0.01
R2259:Unc45b UTSW 11 82,808,625 (GRCm39) missense probably benign 0.01
R2497:Unc45b UTSW 11 82,827,269 (GRCm39) missense probably damaging 1.00
R2507:Unc45b UTSW 11 82,830,963 (GRCm39) splice site probably null
R4352:Unc45b UTSW 11 82,804,035 (GRCm39) missense probably damaging 0.99
R4569:Unc45b UTSW 11 82,827,315 (GRCm39) critical splice donor site probably null
R4624:Unc45b UTSW 11 82,816,835 (GRCm39) missense probably benign 0.30
R5236:Unc45b UTSW 11 82,805,888 (GRCm39) missense possibly damaging 0.53
R5512:Unc45b UTSW 11 82,805,898 (GRCm39) missense possibly damaging 0.47
R5688:Unc45b UTSW 11 82,813,643 (GRCm39) missense possibly damaging 0.88
R6029:Unc45b UTSW 11 82,804,153 (GRCm39) missense probably damaging 1.00
R6616:Unc45b UTSW 11 82,802,645 (GRCm39) missense probably damaging 1.00
R6857:Unc45b UTSW 11 82,804,038 (GRCm39) missense probably benign 0.00
R6876:Unc45b UTSW 11 82,813,738 (GRCm39) missense probably benign 0.00
R7197:Unc45b UTSW 11 82,831,013 (GRCm39) critical splice acceptor site probably null
R7368:Unc45b UTSW 11 82,833,321 (GRCm39) missense probably benign 0.01
R7531:Unc45b UTSW 11 82,819,838 (GRCm39) missense probably damaging 1.00
R7743:Unc45b UTSW 11 82,813,726 (GRCm39) missense probably damaging 1.00
R8198:Unc45b UTSW 11 82,816,814 (GRCm39) frame shift probably null
R8214:Unc45b UTSW 11 82,824,714 (GRCm39) missense possibly damaging 0.50
R8235:Unc45b UTSW 11 82,810,681 (GRCm39) missense probably benign 0.01
R8916:Unc45b UTSW 11 82,804,038 (GRCm39) missense probably benign 0.00
R9004:Unc45b UTSW 11 82,819,515 (GRCm39) missense probably damaging 1.00
R9521:Unc45b UTSW 11 82,808,586 (GRCm39) missense probably benign 0.09
R9687:Unc45b UTSW 11 82,810,562 (GRCm39) missense probably damaging 1.00
R9757:Unc45b UTSW 11 82,810,558 (GRCm39) missense probably damaging 0.99
R9784:Unc45b UTSW 11 82,816,986 (GRCm39) missense probably damaging 1.00
T0970:Unc45b UTSW 11 82,813,714 (GRCm39) missense probably benign 0.00
Z1176:Unc45b UTSW 11 82,833,541 (GRCm39) missense probably damaging 1.00
Z1176:Unc45b UTSW 11 82,819,480 (GRCm39) critical splice acceptor site probably null
Z1177:Unc45b UTSW 11 82,833,379 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GCCCCAGAAGACATTGCTCTTTTCC -3'
(R):5'- GGTTCAGGATAACAGGTAGCCAGC -3'

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