Incidental Mutation 'R8916:Unc45b'
ID 678948
Institutional Source Beutler Lab
Gene Symbol Unc45b
Ensembl Gene ENSMUSG00000018845
Gene Name unc-45 myosin chaperone B
Synonyms UNC45, Cmya4, D230041A13Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8916 (G1)
Quality Score 225.009
Status Not validated
Chromosome 11
Chromosomal Location 82802112-82834284 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 82804038 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 72 (I72V)
Ref Sequence ENSEMBL: ENSMUSP00000129405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000018989] [ENSMUST00000103213] [ENSMUST00000108160] [ENSMUST00000164945]
AlphaFold Q8CGY6
Predicted Effect probably benign
Transcript: ENSMUST00000018989
AA Change: I72V

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000018989
Gene: ENSMUSG00000018845
AA Change: I72V

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: ENSMUST00000103213
SMART Domains Protein: ENSMUSP00000099502
Gene: ENSMUSG00000020692

DomainStartEndE-ValueType
low complexity region 2 11 N/A INTRINSIC
Pfam:NLE 17 77 3.6e-15 PFAM
WD40 103 142 5.22e-12 SMART
WD40 145 184 1.48e-11 SMART
WD40 188 232 1.66e-5 SMART
WD40 235 273 3.11e-10 SMART
WD40 276 357 1.14e-3 SMART
WD40 361 400 8.81e-10 SMART
WD40 403 442 1.69e-11 SMART
WD40 445 484 9.44e-10 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000108160
AA Change: I72V

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000103795
Gene: ENSMUSG00000018845
AA Change: I72V

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 probably benign
Transcript: ENSMUST00000164945
AA Change: I72V

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000129405
Gene: ENSMUSG00000018845
AA Change: I72V

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 0.0836 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.9%
  • 20x: 99.6%
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts16 A G 13: 70,941,307 (GRCm39) L360S probably damaging Het
AW554918 T C 18: 25,423,049 (GRCm39) Y167H probably damaging Het
Cdh18 A T 15: 23,410,813 (GRCm39) I433F probably damaging Het
Cenpj A T 14: 56,790,352 (GRCm39) F566I probably damaging Het
Cntn4 T A 6: 106,652,915 (GRCm39) Y795N probably damaging Het
Col4a4 C T 1: 82,501,667 (GRCm39) G362E unknown Het
Crebrf A G 17: 26,958,583 (GRCm39) T18A probably damaging Het
D130043K22Rik G A 13: 25,056,254 (GRCm39) V529I probably benign Het
Dars2 T C 1: 160,881,552 (GRCm39) T326A probably benign Het
Eif4e T C 3: 138,256,043 (GRCm39) probably benign Het
Enpp2 T C 15: 54,733,722 (GRCm39) M413V possibly damaging Het
Fbn1 T C 2: 125,245,149 (GRCm39) D246G possibly damaging Het
Foxred2 A G 15: 77,837,514 (GRCm39) S241P probably damaging Het
Fras1 T C 5: 96,900,774 (GRCm39) F2998L probably damaging Het
Garin4 A G 1: 190,895,857 (GRCm39) I262T probably benign Het
Grb10 T C 11: 11,901,599 (GRCm39) T192A probably benign Het
Grid1 G A 14: 35,043,664 (GRCm39) D340N probably damaging Het
Heatr5a AGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGTGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGAGCACACTGCAGGAAGCTCA AGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGAGCACACTGCAGGAAGCTCA 12: 51,934,702 (GRCm39) probably benign Het
Hinfp A T 9: 44,209,673 (GRCm39) F234I probably damaging Het
Hmcn1 A T 1: 150,649,530 (GRCm39) I652N probably damaging Het
Kif24 T C 4: 41,394,963 (GRCm39) K771E probably benign Het
Lhcgr A G 17: 89,061,170 (GRCm39) probably null Het
Lnpk A T 2: 74,358,486 (GRCm39) S358T probably benign Het
Lpcat2 A T 8: 93,596,316 (GRCm39) M118L probably benign Het
Lypd1 T A 1: 125,801,120 (GRCm39) T127S unknown Het
Mettl23 C T 11: 116,740,111 (GRCm39) T194I probably damaging Het
Mga T C 2: 119,788,819 (GRCm39) V2227A possibly damaging Het
Mus81 A T 19: 5,534,214 (GRCm39) V368E probably damaging Het
Myo3a T A 2: 22,457,704 (GRCm39) F1046I probably damaging Het
Nfia G A 4: 97,888,667 (GRCm39) V222I probably benign Het
Niban2 T A 2: 32,811,106 (GRCm39) M372K possibly damaging Het
Nop9 A G 14: 55,991,101 (GRCm39) E586G probably benign Het
Nr2e1 G A 10: 42,443,864 (GRCm39) A286V possibly damaging Het
Nup153 G A 13: 46,863,462 (GRCm39) Q300* probably null Het
Plaat1 A G 16: 29,039,259 (GRCm39) D113G possibly damaging Het
Pnp2 T C 14: 51,201,234 (GRCm39) L202P probably damaging Het
Prss3b T A 6: 41,010,103 (GRCm39) H77L probably damaging Het
Psen2 A G 1: 180,063,495 (GRCm39) F183L probably benign Het
Rint1 G T 5: 23,992,826 (GRCm39) probably benign Het
Rsf1 GGC GGCGGCGGCCGC 7: 97,229,140 (GRCm39) probably benign Het
Ryr3 C A 2: 112,608,635 (GRCm39) R2335L probably damaging Het
Scn1a T C 2: 66,108,127 (GRCm39) D1544G probably damaging Het
Sec31b A C 19: 44,520,783 (GRCm39) S175A Het
Sgcg A G 14: 61,474,341 (GRCm39) S101P probably damaging Het
Shb A T 4: 45,489,154 (GRCm39) S241T probably damaging Het
Slc47a2 A T 11: 61,193,118 (GRCm39) L545Q probably damaging Het
Spata31g1 C A 4: 42,973,034 (GRCm39) P789H probably damaging Het
Spef2 C A 15: 9,725,266 (GRCm39) E164* probably null Het
Sphkap A T 1: 83,255,108 (GRCm39) N880K possibly damaging Het
Taf2 A G 15: 54,899,931 (GRCm39) V894A probably benign Het
Tgfa T G 6: 86,248,436 (GRCm39) L146R probably damaging Het
Tlr3 C T 8: 45,856,076 (GRCm39) V35I probably benign Het
Tlr4 G A 4: 66,847,268 (GRCm39) V132I probably benign Het
Tsen34 C T 7: 3,697,340 (GRCm39) probably benign Het
Ttc13 T G 8: 125,409,976 (GRCm39) K412T probably damaging Het
Vmn1r195 A G 13: 22,463,139 (GRCm39) Y203C probably damaging Het
Vmn2r65 T A 7: 84,595,665 (GRCm39) T340S probably benign Het
Vmn2r88 T A 14: 51,648,593 (GRCm39) C46S Het
Ythdf2 A T 4: 131,931,830 (GRCm39) D443E probably damaging Het
Zeb2 T C 2: 44,886,796 (GRCm39) R754G probably damaging Het
Zfp236 T A 18: 82,664,351 (GRCm39) E478V probably damaging Het
Zfp287 A T 11: 62,605,136 (GRCm39) Y590* probably null Het
Zfp9 A T 6: 118,442,223 (GRCm39) C146* probably null 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
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
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'- TTTGCCAACCTTGAGACTCTATG -3'
(R):5'- GGATGGAAGCTGCCAACATTC -3'

Sequencing Primer
(F):5'- AACCTTGAGACTCTATGGGTCTTTC -3'
(R):5'- TGCCAACATTCTCTGGAAGG -3'
Posted On 2021-08-02