Incidental Mutation 'R1532:Unc45b'
ID 166680
Institutional Source Beutler Lab
Gene Symbol Unc45b
Ensembl Gene ENSMUSG00000018845
Gene Name unc-45 myosin chaperone B
Synonyms UNC45, Cmya4, D230041A13Rik
MMRRC Submission 039571-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1532 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 82802112-82834284 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 82827700 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 730 (D730E)
Ref Sequence ENSEMBL: ENSMUSP00000018989 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000018989] [ENSMUST00000108160] [ENSMUST00000164945]
AlphaFold Q8CGY6
Predicted Effect probably benign
Transcript: ENSMUST00000018989
AA Change: D730E

PolyPhen 2 Score 0.123 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000018989
Gene: ENSMUSG00000018845
AA Change: D730E

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 benign
Transcript: ENSMUST00000108160
AA Change: D732E

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000103795
Gene: ENSMUSG00000018845
AA Change: D732E

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: ENSMUST00000142336
Predicted Effect noncoding transcript
Transcript: ENSMUST00000156395
Predicted Effect probably benign
Transcript: ENSMUST00000164945
AA Change: D732E

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000129405
Gene: ENSMUSG00000018845
AA Change: D732E

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: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.9%
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamtsl1 C A 4: 86,166,302 (GRCm39) H394N probably benign Het
Ahrr A G 13: 74,361,826 (GRCm39) S558P probably benign Het
Ankrd26 T C 6: 118,499,919 (GRCm39) N1184S probably damaging Het
Anpep A T 7: 79,476,696 (GRCm39) C14* probably null Het
Arhgap18 A G 10: 26,736,718 (GRCm39) D187G possibly damaging Het
Arhgef5 A G 6: 43,250,337 (GRCm39) T363A probably benign Het
Atxn1 A T 13: 45,720,386 (GRCm39) L503Q possibly damaging Het
Babam1 A G 8: 71,852,277 (GRCm39) D155G possibly damaging Het
Bbs9 A G 9: 22,798,945 (GRCm39) T858A probably benign Het
Cacna1g C A 11: 94,334,157 (GRCm39) G828V probably damaging Het
Ccar2 T C 14: 70,380,405 (GRCm39) T392A probably benign Het
Cd163 T C 6: 124,289,689 (GRCm39) V469A possibly damaging Het
Cdh23 G T 10: 60,150,110 (GRCm39) N2576K probably damaging Het
Coro2b A G 9: 62,396,705 (GRCm39) Y18H probably damaging Het
Crispld2 G T 8: 120,750,311 (GRCm39) K238N probably benign Het
Ctnnd2 T C 15: 30,922,014 (GRCm39) I880T probably damaging Het
Cubn C A 2: 13,292,472 (GRCm39) C3237F probably damaging Het
Ddx31 A G 2: 28,771,171 (GRCm39) M519V probably benign Het
Dhx32 A T 7: 133,350,753 (GRCm39) C106S possibly damaging Het
Diaph1 A G 18: 38,029,146 (GRCm39) probably null Het
Dnaaf1 T C 8: 120,304,162 (GRCm39) F67L probably benign Het
Duox1 T G 2: 122,175,204 (GRCm39) L1334R probably damaging Het
Dync1li2 A T 8: 105,152,667 (GRCm39) I322N probably damaging Het
Eml6 T C 11: 29,742,256 (GRCm39) probably null Het
Entpd6 A G 2: 150,600,670 (GRCm39) Q126R probably benign Het
Entpd7 C G 19: 43,679,516 (GRCm39) P23R possibly damaging Het
Epha3 T C 16: 63,366,541 (GRCm39) I970V probably benign Het
Fras1 A T 5: 96,861,855 (GRCm39) H2163L probably damaging Het
Gse1 C G 8: 121,294,949 (GRCm39) probably benign Het
Heatr5a A G 12: 51,999,301 (GRCm39) V300A probably damaging Het
Hsd3b1 T A 3: 98,760,214 (GRCm39) D259V probably damaging Het
Hspbap1 T C 16: 35,645,673 (GRCm39) S453P probably damaging Het
Ifnl3 A G 7: 28,223,652 (GRCm39) T163A probably benign Het
Igbp1b T A 6: 138,635,442 (GRCm39) M1L possibly damaging Het
Klra3 G C 6: 130,310,107 (GRCm39) R138G probably benign Het
Lpxn T C 19: 12,781,456 (GRCm39) probably null Het
Mast1 G A 8: 85,655,238 (GRCm39) Q249* probably null Het
Mink1 A G 11: 70,492,833 (GRCm39) D153G probably null Het
Mllt10 G A 2: 18,097,646 (GRCm39) probably null Het
Mpl C T 4: 118,305,765 (GRCm39) G420E possibly damaging Het
Ms4a1 T A 19: 11,230,557 (GRCm39) T215S probably benign Het
Ncapd3 C T 9: 26,994,656 (GRCm39) Q1179* probably null Het
Nr3c2 A G 8: 77,635,733 (GRCm39) H278R probably damaging Het
Or10v5 T C 19: 11,805,983 (GRCm39) I136V probably benign Het
Or52e18 T C 7: 104,609,472 (GRCm39) I156V probably benign Het
Or5b102 A G 19: 13,041,639 (GRCm39) Y288C probably damaging Het
Os9 C T 10: 126,934,771 (GRCm39) V353M probably damaging Het
Osbpl5 A T 7: 143,248,817 (GRCm39) M589K probably benign Het
Phf20 G T 2: 156,144,969 (GRCm39) G859V possibly damaging Het
Pkhd1 G A 1: 20,187,625 (GRCm39) T3561I probably benign Het
Prss46 G A 9: 110,679,236 (GRCm39) V146I probably benign Het
Ptprk G A 10: 28,461,626 (GRCm39) V1139M probably damaging Het
Ranbp10 A G 8: 106,500,963 (GRCm39) L396P probably benign Het
Rb1cc1 A G 1: 6,319,958 (GRCm39) T1126A probably benign Het
Rbl2 G A 8: 91,833,045 (GRCm39) A659T probably benign Het
Rdm1 T C 11: 101,524,643 (GRCm39) L192P probably damaging Het
Reln A C 5: 22,239,742 (GRCm39) W842G probably damaging Het
Scn5a C T 9: 119,362,913 (GRCm39) R569H probably damaging Het
Sele A G 1: 163,881,420 (GRCm39) K509R probably benign Het
Slc15a1 A T 14: 121,713,396 (GRCm39) I377N possibly damaging Het
Slc17a3 G A 13: 24,040,483 (GRCm39) G269D probably damaging Het
Slc35a5 T C 16: 44,971,920 (GRCm39) T115A probably benign Het
Slc5a12 T G 2: 110,440,483 (GRCm39) N157K possibly damaging Het
Sphkap A G 1: 83,234,924 (GRCm39) V1634A probably damaging Het
Spta1 T C 1: 174,074,919 (GRCm39) S2382P probably damaging Het
Synj2 C A 17: 6,084,194 (GRCm39) S1100R probably benign Het
Tcf23 A G 5: 31,130,901 (GRCm39) T180A probably benign Het
Tnxb T C 17: 34,929,804 (GRCm39) V2846A probably damaging Het
Tpr T A 1: 150,293,751 (GRCm39) I915K probably damaging Het
Uba1y C T Y: 828,862 (GRCm39) H557Y probably benign Het
Unc5b A T 10: 60,605,011 (GRCm39) L734Q probably damaging Het
Vmn1r167 G T 7: 23,204,204 (GRCm39) H271N probably benign Het
Vmn2r76 A G 7: 85,879,454 (GRCm39) V282A probably benign Het
Xirp2 A G 2: 67,344,283 (GRCm39) K2175E probably benign 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
R1446:Unc45b UTSW 11 82,819,496 (GRCm39) missense probably damaging 1.00
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'- AAGATTGCTGCTGTCTCCAACCC -3'
(R):5'- TCCCTCTGCTTCCTAGAAGGAACAC -3'

Sequencing Primer
(F):5'- CTCATCTCTGCTAAAAAGGGGTTG -3'
(R):5'- GGGACATCTGCTTTACATAATCCTG -3'
Posted On 2014-04-13