Incidental Mutation 'R9702:Ldb3'
ID 729635
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9702 (G1)
Quality Score 225.009
Status Not validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 34299090 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 178 (V178A)
Ref Sequence ENSEMBL: ENSMUSP00000022327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000022330] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000227819] [ENSMUST00000228044]
AlphaFold Q9JKS4
PDB Structure Solution structure of PDZ domain of mouse Cypher protein [SOLUTION NMR]
Predicted Effect probably benign
Transcript: ENSMUST00000022327
AA Change: V178A

PolyPhen 2 Score 0.027 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798
AA Change: V178A

DomainStartEndE-ValueType
PDZ 11 84 1.68e-16 SMART
low complexity region 138 147 N/A INTRINSIC
ZM 186 211 1.33e-8 SMART
low complexity region 214 229 N/A INTRINSIC
low complexity region 309 353 N/A INTRINSIC
low complexity region 359 376 N/A INTRINSIC
low complexity region 418 473 N/A INTRINSIC
LIM 546 597 2.72e-16 SMART
LIM 605 656 2.65e-19 SMART
LIM 664 717 1.04e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000022328
AA Change: V178A

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000022328
Gene: ENSMUSG00000021798
AA Change: V178A

DomainStartEndE-ValueType
PDZ 11 84 1.68e-16 SMART
low complexity region 138 147 N/A INTRINSIC
ZM 186 211 1.33e-8 SMART
low complexity region 214 229 N/A INTRINSIC
low complexity region 297 314 N/A INTRINSIC
low complexity region 356 411 N/A INTRINSIC
LIM 484 535 2.72e-16 SMART
LIM 543 594 2.65e-19 SMART
LIM 602 655 1.04e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000022330
AA Change: V178A

PolyPhen 2 Score 0.036 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000022330
Gene: ENSMUSG00000021798
AA Change: V178A

DomainStartEndE-ValueType
PDZ 11 84 1.68e-16 SMART
low complexity region 138 147 N/A INTRINSIC
ZM 186 211 1.33e-8 SMART
low complexity region 214 229 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000064098
SMART Domains Protein: ENSMUSP00000066784
Gene: ENSMUSG00000021798

DomainStartEndE-ValueType
PDZ 11 84 1.68e-16 SMART
ZM 148 173 5.18e-11 SMART
low complexity region 265 309 N/A INTRINSIC
low complexity region 315 332 N/A INTRINSIC
low complexity region 374 429 N/A INTRINSIC
LIM 502 553 2.72e-16 SMART
LIM 561 612 2.65e-19 SMART
LIM 620 673 1.04e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000090040
SMART Domains Protein: ENSMUSP00000087494
Gene: ENSMUSG00000021798

DomainStartEndE-ValueType
PDZ 11 84 1.68e-16 SMART
ZM 148 173 5.18e-11 SMART
low complexity region 270 314 N/A INTRINSIC
low complexity region 320 337 N/A INTRINSIC
low complexity region 379 434 N/A INTRINSIC
LIM 507 558 2.72e-16 SMART
LIM 566 617 2.65e-19 SMART
LIM 625 678 1.04e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000227819
Predicted Effect probably benign
Transcript: ENSMUST00000228044
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a PDZ domain-containing protein. PDZ motifs are modular protein-protein interaction domains consisting of 80-120 amino acid residues. PDZ domain-containing proteins interact with each other in cytoskeletal assembly or with other proteins involved in targeting and clustering of membrane proteins. The protein encoded by this gene interacts with alpha-actinin-2 through its N-terminal PDZ domain and with protein kinase C via its C-terminal LIM domains. The LIM domain is a cysteine-rich motif defined by 50-60 amino acids containing two zinc-binding modules. This protein also interacts with all three members of the myozenin family. Mutations in this gene have been associated with myofibrillar myopathy and dilated cardiomyopathy. Alternatively spliced transcript variants encoding different isoforms have been identified; all isoforms have N-terminal PDZ domains while only longer isoforms (1, 2 and 5) have C-terminal LIM domains. [provided by RefSeq, Jan 2010]
PHENOTYPE: Homozygous mutation of this gene results in lethality within a few days after birth from muscle abnormalities. Mutant mice exhibit myopathy, dysphagia, heart vascular congestion, dilated heart ventricles, cyanosis, and respiratory distress. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca6 A G 11: 110,107,378 (GRCm39) Y746H probably damaging Het
Adgrv1 T A 13: 81,684,483 (GRCm39) I1073F possibly damaging Het
Ankrd6 C T 4: 32,810,202 (GRCm39) R493H possibly damaging Het
Apob G T 12: 8,057,559 (GRCm39) A2014S probably damaging Het
Bdnf A T 2: 109,554,117 (GRCm39) M164L possibly damaging Het
Ccdc187 C T 2: 26,172,222 (GRCm39) V287M unknown Het
Cd164 G A 10: 41,404,818 (GRCm39) R192Q probably damaging Het
Cd84 T C 1: 171,700,498 (GRCm39) V205A probably benign Het
Cfap161 T A 7: 83,442,652 (GRCm39) M54L probably benign Het
Crim1 T A 17: 78,681,516 (GRCm39) V990E probably damaging Het
Dsc1 A G 18: 20,227,685 (GRCm39) F518L probably benign Het
Esyt1 G A 10: 128,356,607 (GRCm39) S346L probably damaging Het
Fbxo30 G T 10: 11,166,382 (GRCm39) C368F probably benign Het
Gas2l3 C T 10: 89,249,943 (GRCm39) A392T probably benign Het
Gfra4 T A 2: 130,884,539 (GRCm39) S22C probably benign Het
Gm11992 T G 11: 9,006,568 (GRCm39) V166G probably benign Het
Gp1bb A T 16: 18,439,884 (GRCm39) L70Q probably damaging Het
Gtf2i T C 5: 134,275,415 (GRCm39) T707A probably benign Het
Inpp5f A C 7: 128,278,515 (GRCm39) D435A possibly damaging Het
Kynu T A 2: 43,479,469 (GRCm39) M121K probably damaging Het
Lrrc31 A G 3: 30,735,226 (GRCm39) L350P probably damaging Het
Mfsd14b C A 13: 65,221,414 (GRCm39) V293L probably benign Het
Mrps23 C T 11: 88,100,998 (GRCm39) T121M probably damaging Het
Nlrp4c T A 7: 6,068,801 (GRCm39) V234E probably benign Het
Or51f1e T C 7: 102,747,343 (GRCm39) Y132H probably damaging Het
Pign A T 1: 105,485,212 (GRCm39) D782E probably damaging Het
Rab11b C A 17: 33,968,026 (GRCm39) R82L possibly damaging Het
Sema3c T C 5: 17,858,828 (GRCm39) S76P probably damaging Het
Slc28a2b T A 2: 122,354,012 (GRCm39) I546N probably damaging Het
Sobp T C 10: 42,897,944 (GRCm39) N547S probably benign Het
Tigd3 G A 19: 5,942,836 (GRCm39) T98M probably damaging Het
Tox T G 4: 6,697,418 (GRCm39) M462L probably benign Het
Vmn1r158 T A 7: 22,490,065 (GRCm39) Q48L probably benign Het
Vps8 A G 16: 21,462,883 (GRCm39) T1383A probably benign Het
Vwa1 G A 4: 155,857,336 (GRCm39) P154L probably damaging Het
Zfp108 C T 7: 23,960,195 (GRCm39) T262I probably benign Het
Other mutations in Ldb3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01124:Ldb3 APN 14 34,266,157 (GRCm39) missense probably damaging 0.99
IGL01485:Ldb3 APN 14 34,264,519 (GRCm39) missense probably damaging 1.00
IGL01983:Ldb3 APN 14 34,299,156 (GRCm39) missense probably benign 0.00
R0323:Ldb3 UTSW 14 34,266,002 (GRCm39) missense probably damaging 1.00
R0335:Ldb3 UTSW 14 34,300,608 (GRCm39) missense possibly damaging 0.77
R0483:Ldb3 UTSW 14 34,258,541 (GRCm39) missense probably damaging 1.00
R0920:Ldb3 UTSW 14 34,289,460 (GRCm39) missense probably benign 0.05
R1524:Ldb3 UTSW 14 34,277,313 (GRCm39) missense probably benign 0.01
R2161:Ldb3 UTSW 14 34,289,353 (GRCm39) critical splice donor site probably null
R2246:Ldb3 UTSW 14 34,251,432 (GRCm39) missense probably damaging 0.99
R2865:Ldb3 UTSW 14 34,251,460 (GRCm39) missense probably damaging 1.00
R3113:Ldb3 UTSW 14 34,251,418 (GRCm39) makesense probably null
R3765:Ldb3 UTSW 14 34,300,639 (GRCm39) splice site probably null
R3870:Ldb3 UTSW 14 34,289,440 (GRCm39) missense probably damaging 1.00
R4018:Ldb3 UTSW 14 34,274,128 (GRCm39) splice site probably benign
R4797:Ldb3 UTSW 14 34,277,470 (GRCm39) missense possibly damaging 0.95
R4963:Ldb3 UTSW 14 34,288,815 (GRCm39) missense probably damaging 0.98
R5705:Ldb3 UTSW 14 34,298,986 (GRCm39) missense probably null 0.01
R6401:Ldb3 UTSW 14 34,299,291 (GRCm39) missense probably benign 0.33
R6549:Ldb3 UTSW 14 34,263,854 (GRCm39) missense probably damaging 0.99
R6682:Ldb3 UTSW 14 34,274,221 (GRCm39) missense possibly damaging 0.77
R6917:Ldb3 UTSW 14 34,277,321 (GRCm39) missense probably null 0.03
R7132:Ldb3 UTSW 14 34,298,992 (GRCm39) missense probably benign 0.25
R7327:Ldb3 UTSW 14 34,293,759 (GRCm39) missense probably damaging 1.00
R7488:Ldb3 UTSW 14 34,289,402 (GRCm39) missense probably damaging 1.00
R7760:Ldb3 UTSW 14 34,264,460 (GRCm39) missense probably damaging 1.00
R8755:Ldb3 UTSW 14 34,299,256 (GRCm39) missense probably damaging 1.00
R8845:Ldb3 UTSW 14 34,258,634 (GRCm39) missense probably damaging 1.00
R8954:Ldb3 UTSW 14 34,277,301 (GRCm39) missense probably null 0.17
R9179:Ldb3 UTSW 14 34,277,312 (GRCm39) missense probably benign
R9321:Ldb3 UTSW 14 34,266,099 (GRCm39) nonsense probably null
Z1176:Ldb3 UTSW 14 34,277,322 (GRCm39) missense probably benign 0.21
Z1177:Ldb3 UTSW 14 34,266,060 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- ACTCCATACCAGACTGCAGG -3'
(R):5'- TCTTTCAAGTCCACACAGAAGC -3'

Sequencing Primer
(F):5'- AGACTGCAGGGTGCCCTTTAC -3'
(R):5'- ATGTGCGGCCTCTAACCACTG -3'
Posted On 2022-10-06