Incidental Mutation 'R9757:Unc45b'
ID 732807
Institutional Source Beutler Lab
Gene Symbol Unc45b
Ensembl Gene ENSMUSG00000018845
Gene Name unc-45 myosin chaperone B
Synonyms UNC45, Cmya4, D230041A13Rik
MMRRC Submission
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9757 (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 82810558 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 273 (K273E)
Ref Sequence ENSEMBL: ENSMUSP00000018989 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000018989] [ENSMUST00000108160] [ENSMUST00000164945]
AlphaFold Q8CGY6
Predicted Effect probably damaging
Transcript: ENSMUST00000018989
AA Change: K273E

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000018989
Gene: ENSMUSG00000018845
AA Change: K273E

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 possibly damaging
Transcript: ENSMUST00000108160
AA Change: K273E

PolyPhen 2 Score 0.924 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000103795
Gene: ENSMUSG00000018845
AA Change: K273E

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 possibly damaging
Transcript: ENSMUST00000164945
AA Change: K273E

PolyPhen 2 Score 0.924 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000129405
Gene: ENSMUSG00000018845
AA Change: K273E

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: 99.9%
  • 3x: 99.7%
  • 10x: 99.3%
  • 20x: 98.6%
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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrl3 T C 5: 81,613,086 (GRCm39) V105A probably benign Het
Agrn C A 4: 156,261,235 (GRCm39) V621L probably benign Het
Anapc1 A G 2: 128,517,676 (GRCm39) S323P probably damaging Het
Anxa6 T A 11: 54,885,182 (GRCm39) K456* probably null Het
C7 G T 15: 5,075,134 (GRCm39) T186K probably damaging Het
Cacna1b T C 2: 24,609,113 (GRCm39) E396G probably damaging Het
Ccdc191 C T 16: 43,762,170 (GRCm39) T20I Het
Ces1b G T 8: 93,806,501 (GRCm39) P15Q probably benign Het
Dnah14 G T 1: 181,513,349 (GRCm39) A1901S probably benign Het
Dock3 T C 9: 106,901,035 (GRCm39) H310R possibly damaging Het
Eif2ak4 T G 2: 118,269,398 (GRCm39) S23R probably benign Het
Gli2 A G 1: 118,773,652 (GRCm39) C485R probably damaging Het
Gm17093 T A 14: 44,758,990 (GRCm39) W171R Het
Ing2 G A 8: 48,128,075 (GRCm39) probably benign Het
Itpkb T C 1: 180,160,372 (GRCm39) I166T probably benign Het
Kcnj8 T A 6: 142,515,805 (GRCm39) I101F probably benign Het
Krtap6-2 C T 16: 89,216,958 (GRCm39) C3Y unknown Het
Lep A G 6: 29,069,083 (GRCm39) I45V probably benign Het
Lrrk2 A T 15: 91,695,229 (GRCm39) I2355L probably benign Het
Mettl3 C A 14: 52,537,361 (GRCm39) A174S probably benign Het
Mmp23 T C 4: 155,735,515 (GRCm39) N317S probably damaging Het
Mybpc1 A T 10: 88,372,257 (GRCm39) V777E probably damaging Het
Nlrp9b T A 7: 19,782,617 (GRCm39) C844S probably damaging Het
Obscn T C 11: 58,892,338 (GRCm39) E6823G probably benign Het
Or6y1 A T 1: 174,276,866 (GRCm39) I226F probably damaging Het
Pcdhb1 A T 18: 37,400,302 (GRCm39) Q751L probably benign Het
Pdgfrl T A 8: 41,379,454 (GRCm39) L16Q possibly damaging Het
Pdzph1 A C 17: 59,281,898 (GRCm39) L128* probably null Het
Pramel24 A G 4: 143,454,992 (GRCm39) D430G probably benign Het
Prr36 A T 8: 4,260,998 (GRCm39) S940T probably damaging Het
Rad54l2 A T 9: 106,595,120 (GRCm39) I279N probably damaging Het
Rasgrp3 A T 17: 75,807,719 (GRCm39) T259S probably damaging Het
Rrn3 T A 16: 13,628,433 (GRCm39) I538N probably damaging Het
Sdf2l1 A T 16: 16,948,398 (GRCm39) D213E probably benign Het
Sorcs3 T C 19: 48,711,363 (GRCm39) Y643H probably damaging Het
Sval2 G T 6: 41,838,774 (GRCm39) C4F possibly damaging Het
Taldo1 A G 7: 140,980,263 (GRCm39) E131G probably benign Het
Tas2r130 T C 6: 131,607,296 (GRCm39) I166M probably benign Het
Tmem178 A G 17: 81,308,289 (GRCm39) Y228C probably damaging Het
Ttn A T 2: 76,612,423 (GRCm39) L17188* probably null Het
Usp32 A C 11: 84,968,155 (GRCm39) Y169* probably null Het
Vmn2r9 A T 5: 108,995,908 (GRCm39) Y247N possibly damaging Het
Zkscan2 A T 7: 123,079,310 (GRCm39) C882* 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
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
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'- TTCTAGAGCCCCTCCAAATAGC -3'
(R):5'- GTATGACTGAACCCCAAGCTC -3'

Sequencing Primer
(F):5'- CACCATCAACTGAAAAGCACTTCTG -3'
(R):5'- TGAACCCCAAGCTCCTTCATC -3'
Posted On 2022-11-14