Incidental Mutation 'R3113:Ldb3'
ID 263904
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 040586-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3113 (G1)
Quality Score 210
Status Validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation makesense
DNA Base Change (assembly) T to A at 34251418 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Stop codon to Leucine at position 623 (*623L)
Ref Sequence ENSEMBL: ENSMUSP00000154758 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000228044]
AlphaFold Q9JKS4
Predicted Effect probably null
Transcript: ENSMUST00000022327
AA Change: *724L
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798
AA Change: *724L

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: *662L
SMART Domains Protein: ENSMUSP00000022328
Gene: ENSMUSG00000021798
AA Change: *662L

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: ENSMUST00000064098
AA Change: *680L
SMART Domains Protein: ENSMUSP00000066784
Gene: ENSMUSG00000021798
AA Change: *680L

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 null
Transcript: ENSMUST00000090040
AA Change: *685L
SMART Domains Protein: ENSMUSP00000087494
Gene: ENSMUSG00000021798
AA Change: *685L

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 null
Transcript: ENSMUST00000228044
AA Change: *623L
Meta Mutation Damage Score 0.8477 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 100% (59/59)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9330159F19Rik T A 10: 29,100,372 (GRCm39) Y248* probably null Het
Acta2 T C 19: 34,220,752 (GRCm39) I319V probably benign Het
Alox15 A T 11: 70,235,703 (GRCm39) N585K probably benign Het
Ank T A 15: 27,571,700 (GRCm39) I324N probably damaging Het
Ank1 A G 8: 23,574,813 (GRCm39) N99D probably damaging Het
As3mt T C 19: 46,703,717 (GRCm39) probably benign Het
Atg4b C T 1: 93,703,426 (GRCm39) probably benign Het
Atp2a1 A T 7: 126,047,541 (GRCm39) V705D probably damaging Het
Bves T C 10: 45,219,148 (GRCm39) V82A probably benign Het
Cad C A 5: 31,231,481 (GRCm39) H7Q possibly damaging Het
Carmil1 A G 13: 24,253,740 (GRCm39) V387A probably benign Het
Csnk2a1 T A 2: 152,105,134 (GRCm39) F181Y probably damaging Het
Cwc22 A T 2: 77,754,823 (GRCm39) probably benign Het
Ddx18 A G 1: 121,493,877 (GRCm39) S36P possibly damaging Het
Dnai2 T A 11: 114,642,756 (GRCm39) probably null Het
Ehbp1l1 A T 19: 5,769,008 (GRCm39) M765K probably benign Het
Fitm2 T C 2: 163,311,511 (GRCm39) Y234C probably damaging Het
Flrt3 T C 2: 140,503,454 (GRCm39) E58G probably benign Het
Foxs1 A G 2: 152,774,156 (GRCm39) V299A probably benign Het
Galnt12 A G 4: 47,108,415 (GRCm39) N184S probably benign Het
Gata6 T C 18: 11,063,124 (GRCm39) L464P probably damaging Het
Gm17332 T C 11: 31,132,384 (GRCm39) T27A possibly damaging Het
Ifna11 A C 4: 88,738,220 (GRCm39) M9L probably benign Het
Lrrc27 A G 7: 138,798,223 (GRCm39) D106G probably damaging Het
Ly6f A G 15: 75,143,577 (GRCm39) N95D probably benign Het
Lyst A G 13: 13,844,512 (GRCm39) I1901V probably benign Het
Mboat2 A G 12: 24,932,718 (GRCm39) Y70C probably damaging Het
Mmut G A 17: 41,269,247 (GRCm39) G610D probably damaging Het
Mroh1 T A 15: 76,292,736 (GRCm39) probably benign Het
Muc5b A G 7: 141,399,871 (GRCm39) H448R unknown Het
Myh2 A G 11: 67,076,012 (GRCm39) N733S probably damaging Het
Nid2 G A 14: 19,828,111 (GRCm39) G516S probably benign Het
Nlrp1a A T 11: 71,014,491 (GRCm39) I253N probably damaging Het
Ocrl A G X: 47,022,304 (GRCm39) E258G probably benign Het
Or2w1 T A 13: 21,317,299 (GRCm39) M118K probably damaging Het
Or6c2 A T 10: 129,363,012 (GRCm39) R305S probably benign Het
Pak1 C A 7: 97,515,321 (GRCm39) S115* probably null Het
Pilrb1 C T 5: 137,853,195 (GRCm39) V203I possibly damaging Het
Ppfia2 T A 10: 106,742,256 (GRCm39) Y1016* probably null Het
Prmt3 C A 7: 49,431,760 (GRCm39) P121Q probably damaging Het
Rhox6 T A X: 36,916,507 (GRCm39) I116N possibly damaging Het
Saxo2 A C 7: 82,292,949 (GRCm39) F49L probably benign Het
Scn2a A C 2: 65,579,129 (GRCm39) D1488A possibly damaging Het
Scn5a T A 9: 119,314,738 (GRCm39) D1989V probably damaging Het
Sec31b C A 19: 44,506,624 (GRCm39) E905* probably null Het
Secisbp2l A T 2: 125,592,206 (GRCm39) F672I probably damaging Het
Slc22a23 C T 13: 34,367,058 (GRCm39) G650E probably damaging Het
Smu1 A G 4: 40,748,658 (GRCm39) F211L probably benign Het
Spef1l G T 7: 139,555,878 (GRCm39) probably benign Het
Tab1 C T 15: 80,032,461 (GRCm39) L23F probably benign Het
Thsd7b G A 1: 129,977,599 (GRCm39) C1078Y probably benign Het
Ttn A T 2: 76,644,542 (GRCm39) Y13071N probably damaging Het
Usp17ld A G 7: 102,899,870 (GRCm39) V354A probably benign Het
Usp31 A G 7: 121,278,736 (GRCm39) S210P probably damaging Het
Wdr12 T C 1: 60,126,221 (GRCm39) D198G probably benign Het
Wrap53 A G 11: 69,454,144 (GRCm39) V298A probably benign Het
Xirp2 A G 2: 67,340,491 (GRCm39) I911V probably benign Het
Zcchc2 T C 1: 105,918,752 (GRCm39) M78T unknown 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
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
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'- AAGTCCAATTCCAGCCGTGG -3'
(R):5'- CATTAGACTTTGTAGCAGAGGGG -3'

Sequencing Primer
(F):5'- CAGCCGTGGATTAATTACTAGCTG -3'
(R):5'- TTAGGTGCCACAGTGCAT -3'
Posted On 2015-02-05