Incidental Mutation 'R0195:Unc45b'
ID 23380
Institutional Source Beutler Lab
Gene Symbol Unc45b
Ensembl Gene ENSMUSG00000018845
Gene Name unc-45 myosin chaperone B
Synonyms UNC45, Cmya4, D230041A13Rik
MMRRC Submission 038454-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0195 (G1)
Quality Score 225
Status Validated
Chromosome 11
Chromosomal Location 82802112-82834284 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 82828654 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 785 (M785K)
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: M783K

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000018989
Gene: ENSMUSG00000018845
AA Change: M783K

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: M785K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000103795
Gene: ENSMUSG00000018845
AA Change: M785K

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: ENSMUST00000127074
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142336
Predicted Effect noncoding transcript
Transcript: ENSMUST00000156395
Predicted Effect probably damaging
Transcript: ENSMUST00000164945
AA Change: M785K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000129405
Gene: ENSMUSG00000018845
AA Change: M785K

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
Meta Mutation Damage Score 0.8791 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.6%
  • 20x: 89.4%
Validation Efficiency 98% (156/160)
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acly C G 11: 100,403,800 (GRCm39) R362P possibly damaging Het
Adam24 T A 8: 41,134,805 (GRCm39) W758R probably benign Het
Adam26b G T 8: 43,973,307 (GRCm39) T565K probably damaging Het
Adam7 T G 14: 68,765,076 (GRCm39) probably benign Het
Adamts19 A G 18: 59,102,942 (GRCm39) probably benign Het
Add1 A G 5: 34,767,990 (GRCm39) probably benign Het
Ago1 A G 4: 126,357,484 (GRCm39) C64R probably benign Het
Ankrd12 C T 17: 66,356,943 (GRCm39) probably null Het
Arhgef33 A G 17: 80,688,863 (GRCm39) K820E probably damaging Het
Arl9 T C 5: 77,154,341 (GRCm39) V8A probably damaging Het
Aspm T C 1: 139,406,873 (GRCm39) L1920P probably damaging Het
Atad2 A G 15: 57,963,350 (GRCm39) probably benign Het
Atp2b2 A T 6: 113,770,835 (GRCm39) V358E probably benign Het
C3ar1 A C 6: 122,828,114 (GRCm39) C34W possibly damaging Het
C6 G A 15: 4,792,953 (GRCm39) V353M probably benign Het
Capn7 T C 14: 31,087,538 (GRCm39) I593T probably damaging Het
Casc3 T A 11: 98,712,319 (GRCm39) D119E probably damaging Het
Ccna1 T A 3: 54,961,785 (GRCm39) E45V probably damaging Het
Cdc37 A G 9: 21,053,576 (GRCm39) V180A probably benign Het
Cdh23 A G 10: 60,152,838 (GRCm39) I2393T probably damaging Het
Cnbd1 T C 4: 18,906,988 (GRCm39) probably benign Het
Cngb3 A T 4: 19,280,975 (GRCm39) M15L probably benign Het
Crygn A G 5: 24,961,036 (GRCm39) M90T possibly damaging Het
Cse1l T A 2: 166,782,008 (GRCm39) S661R probably benign Het
D830013O20Rik C T 12: 73,411,095 (GRCm39) noncoding transcript Het
Ddx24 C T 12: 103,385,220 (GRCm39) probably null Het
Dnah3 A T 7: 119,676,998 (GRCm39) probably null Het
Dnah9 C T 11: 65,786,731 (GRCm39) G3634E probably benign Het
Dnttip2 A T 3: 122,069,810 (GRCm39) T342S probably benign Het
Evx2 G T 2: 74,489,388 (GRCm39) R125S probably damaging Het
Fbxl5 A T 5: 43,928,140 (GRCm39) L40Q probably damaging Het
Git1 T A 11: 77,391,899 (GRCm39) D240E probably benign Het
Glp2r T A 11: 67,600,534 (GRCm39) K438N probably damaging Het
Hivep1 T A 13: 42,309,629 (GRCm39) I623N probably benign Het
Il17re A G 6: 113,443,098 (GRCm39) E312G probably damaging Het
Itgb7 G A 15: 102,130,618 (GRCm39) probably benign Het
Itpr3 A G 17: 27,333,088 (GRCm39) Y1900C probably damaging Het
Krt1c G A 15: 101,721,626 (GRCm39) Q472* probably null Het
Krtap5-1 A C 7: 141,850,434 (GRCm39) C125G unknown Het
Macf1 A G 4: 123,328,709 (GRCm39) S2554P probably damaging Het
Marchf10 C T 11: 105,276,351 (GRCm39) G646R probably damaging Het
Mrpl48 A C 7: 100,195,560 (GRCm39) probably benign Het
Myo16 A T 8: 10,365,538 (GRCm39) probably benign Het
Nrcam A T 12: 44,631,628 (GRCm39) E1060D probably benign Het
Nsd3 T A 8: 26,170,709 (GRCm39) C731S probably damaging Het
Nup85 T G 11: 115,455,357 (GRCm39) M1R probably null Het
Nxnl2 G T 13: 51,325,483 (GRCm39) R42L probably damaging Het
Oas3 G A 5: 120,894,210 (GRCm39) R39C probably damaging Het
Or13c25 G A 4: 52,910,849 (GRCm39) T315M probably benign Het
Orc1 C T 4: 108,471,505 (GRCm39) R786* probably null Het
P2ry6 A T 7: 100,587,904 (GRCm39) W152R probably damaging Het
Pex5l T C 3: 33,047,102 (GRCm39) N283D possibly damaging Het
Pgk2 T C 17: 40,518,622 (GRCm39) I269V probably benign Het
Phgdh T G 3: 98,223,866 (GRCm39) probably benign Het
Pzp A T 6: 128,464,441 (GRCm39) L1362Q probably damaging Het
Rbbp9 T C 2: 144,390,026 (GRCm39) probably benign Het
Rffl A G 11: 82,700,989 (GRCm39) L244P probably damaging Het
Serpina11 T C 12: 103,952,131 (GRCm39) Y213C probably damaging Het
Spopfm1 A G 3: 94,173,229 (GRCm39) Y79C possibly damaging Het
Srsf11 A G 3: 157,742,172 (GRCm39) probably benign Het
Sspo T A 6: 48,463,570 (GRCm39) V3785E probably benign Het
Svep1 A T 4: 58,089,514 (GRCm39) S1632T possibly damaging Het
Tm4sf1 T A 3: 57,200,480 (GRCm39) D74V probably damaging Het
Tmprss15 T A 16: 78,831,222 (GRCm39) T393S probably benign Het
Tnfaip3 A G 10: 18,881,461 (GRCm39) L275P probably damaging Het
Trim30c A G 7: 104,031,636 (GRCm39) V393A probably benign Het
Tssk2 T A 16: 17,717,439 (GRCm39) S281T probably benign Het
Tubb4a A G 17: 57,388,499 (GRCm39) S176P probably damaging Het
Vldlr A T 19: 27,215,786 (GRCm39) D261V probably damaging Het
Vmn1r176 G T 7: 23,535,010 (GRCm39) Q48K probably benign Het
Vmn2r110 A T 17: 20,794,317 (GRCm39) L784Q probably benign Het
Vps13b A G 15: 35,472,045 (GRCm39) T783A probably benign Het
Zfp800 A G 6: 28,243,846 (GRCm39) M373T probably damaging Het
Zmym1 A G 4: 126,941,704 (GRCm39) F895L possibly 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
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
R1446:Unc45b UTSW 11 82,819,496 (GRCm39) missense probably damaging 1.00
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'- CATGTTCACTGCTGGGGACTCAAG -3'
(R):5'- GTAAATGGCACCTTCCACCTCACTC -3'

Sequencing Primer
(F):5'- GGACTCAAGGCCCCTTCTTC -3'
(R):5'- AAAATGTTTCCTGAGGGCTCC -3'
Posted On 2013-04-16