Incidental Mutation 'R5705:Ldb3'
ID 451944
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 043330-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5705 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 34298986 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Valine at position 213 (M213V)
Ref Sequence ENSEMBL: ENSMUSP00000022330 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000022330] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000227819] [ENSMUST00000228044]
AlphaFold Q9JKS4
Predicted Effect probably null
Transcript: ENSMUST00000022327
AA Change: M213V

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798
AA Change: M213V

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 null
Transcript: ENSMUST00000022328
AA Change: M213V

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000022328
Gene: ENSMUSG00000021798
AA Change: M213V

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 null
Transcript: ENSMUST00000022330
AA Change: M213V

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000022330
Gene: ENSMUSG00000021798
AA Change: M213V

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 noncoding transcript
Transcript: ENSMUST00000226226
Predicted Effect probably benign
Transcript: ENSMUST00000227819
Predicted Effect probably benign
Transcript: ENSMUST00000228044
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca7 T C 10: 79,851,276 (GRCm39) V2163A probably benign Het
Abcg3 G A 5: 105,116,036 (GRCm39) A266V probably damaging Het
Ago1 T C 4: 126,342,587 (GRCm39) I519V probably benign Het
Arhgap4 G A X: 72,950,423 (GRCm39) R43W probably damaging Het
Aurkb T A 11: 68,939,641 (GRCm39) L213I possibly damaging Het
Bod1l T A 5: 41,974,345 (GRCm39) Q2323L probably benign Het
Calhm5 A T 10: 33,971,989 (GRCm39) C149S probably damaging Het
Ccdc17 C T 4: 116,454,066 (GRCm39) T28I probably benign Het
Ccdc39 T C 3: 33,871,086 (GRCm39) E630G probably damaging Het
Cnih4 A G 1: 180,981,300 (GRCm39) I24V probably benign Het
Ctse C A 1: 131,592,112 (GRCm39) T146K possibly damaging Het
Ctsr A G 13: 61,309,078 (GRCm39) F226L probably damaging Het
Cyp2a22 T C 7: 26,638,640 (GRCm39) N49D probably benign Het
Defb23 C T 2: 152,301,204 (GRCm39) A123T probably benign Het
Dtx2 C A 5: 136,039,149 (GRCm39) D69E probably damaging Het
Eps8l1 T C 7: 4,473,034 (GRCm39) V91A probably benign Het
Eps8l3 C A 3: 107,798,580 (GRCm39) Q489K probably benign Het
Esyt3 A G 9: 99,200,260 (GRCm39) S645P probably benign Het
Fam161a T A 11: 22,978,869 (GRCm39) M472K unknown Het
Glp2r A G 11: 67,600,565 (GRCm39) V428A probably benign Het
Gnl1 G A 17: 36,292,492 (GRCm39) V191I probably benign Het
Hfm1 T C 5: 107,059,319 (GRCm39) I234M probably benign Het
Hlx T C 1: 184,463,062 (GRCm39) T197A probably benign Het
Hs3st2 T C 7: 120,992,305 (GRCm39) L85P probably damaging Het
Igsf9 T C 1: 172,322,338 (GRCm39) V511A possibly damaging Het
Insyn2b A G 11: 34,354,349 (GRCm39) Y473C probably damaging Het
Kcnma1 A T 14: 24,053,839 (GRCm39) C54S possibly damaging Het
Klhdc4 A G 8: 122,531,732 (GRCm39) V181A probably benign Het
Mertk C A 2: 128,613,321 (GRCm39) Q446K probably benign Het
Ndufs1 A G 1: 63,186,317 (GRCm39) V46A probably benign Het
Neurod4 A G 10: 130,107,271 (GRCm39) M1T probably null Het
Nlrc5 T A 8: 95,202,385 (GRCm39) C162S probably benign Het
Pald1 A G 10: 61,159,076 (GRCm39) I785T possibly damaging Het
Pcmt1 T C 10: 7,513,954 (GRCm39) I224M possibly damaging Het
Pisd C T 5: 32,894,707 (GRCm39) R533H probably benign Het
Plcxd3 C A 15: 4,546,676 (GRCm39) Q227K probably benign Het
Polr1b A T 2: 128,947,271 (GRCm39) K199* probably null Het
Ppp1r10 T C 17: 36,240,381 (GRCm39) V557A probably damaging Het
Ralgapa2 A G 2: 146,291,193 (GRCm39) Y248H probably damaging Het
Rsrp1 T C 4: 134,651,331 (GRCm39) S32P unknown Het
Setdb2 T G 14: 59,660,814 (GRCm39) S110R possibly damaging Het
Srcin1 A G 11: 97,439,777 (GRCm39) C152R probably benign Het
Syk A G 13: 52,765,083 (GRCm39) N70S probably benign Het
Tlr4 T A 4: 66,752,217 (GRCm39) D59E probably damaging Het
Tm9sf4 T A 2: 153,024,378 (GRCm39) I67N probably benign Het
Trim30b T A 7: 104,006,784 (GRCm39) Y24F probably damaging Het
Tsga13 A G 6: 30,876,951 (GRCm39) S189P probably damaging Het
Tspan33 A G 6: 29,717,232 (GRCm39) D210G probably benign Het
Use1 G T 8: 71,822,331 (GRCm39) R278L probably damaging Het
Wwc1 T C 11: 35,767,423 (GRCm39) N403D probably damaging Het
Zfp263 C T 16: 3,564,318 (GRCm39) P203S 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
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
R9702:Ldb3 UTSW 14 34,299,090 (GRCm39) missense probably benign 0.03
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'- ACTCAATGGGATCCCTGCTG -3'
(R):5'- GAGTTCGGGGACACCTTTAG -3'

Sequencing Primer
(F):5'- ATCCCTGCTGGTGTTGC -3'
(R):5'- GGGGACACCTTTAGCTCCTC -3'
Posted On 2017-01-03