Incidental Mutation 'R2161:Ldb3'
ID 235174
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 040164-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2161 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) A to G at 34289353 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000154758 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000022330] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000227819] [ENSMUST00000228044]
AlphaFold Q9JKS4
Predicted Effect probably null
Transcript: ENSMUST00000022327
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798

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
SMART Domains Protein: ENSMUSP00000022328
Gene: ENSMUSG00000021798

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
SMART Domains Protein: ENSMUSP00000022330
Gene: ENSMUSG00000021798

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 null
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 null
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 null
Transcript: ENSMUST00000227819
Predicted Effect probably null
Transcript: ENSMUST00000228044
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts12 A G 15: 11,215,821 (GRCm39) M281V probably damaging Het
Ap1g1 A T 8: 110,570,986 (GRCm39) D423V probably damaging Het
Arel1 A G 12: 84,968,030 (GRCm39) probably null Het
Arhgap33 T C 7: 30,228,075 (GRCm39) probably null Het
Arhgef18 T G 8: 3,489,575 (GRCm39) Y302* probably null Het
Blm T C 7: 80,131,118 (GRCm39) probably null Het
Cep295 T G 9: 15,264,354 (GRCm39) E97D probably damaging Het
Cep295nl T C 11: 118,223,335 (GRCm39) D503G possibly damaging Het
Chchd2 G T 5: 129,912,989 (GRCm39) A29E probably damaging Het
Cic A G 7: 24,987,559 (GRCm39) probably null Het
Cmtr1 C T 17: 29,921,147 (GRCm39) L798F probably benign Het
Col11a2 C A 17: 34,283,771 (GRCm39) probably benign Het
Crispld2 A G 8: 120,742,078 (GRCm39) Y142C probably damaging Het
Csmd3 CCTTTGCGCTT CCTT 15: 47,604,632 (GRCm39) probably null Het
Dsp G A 13: 38,380,427 (GRCm39) D1792N probably damaging Het
Esp4 C A 17: 40,913,284 (GRCm39) N50K probably benign Het
Fbxo21 T C 5: 118,133,451 (GRCm39) S404P probably damaging Het
Ggnbp2 A G 11: 84,725,259 (GRCm39) F639L probably benign Het
Golph3l G A 3: 95,524,436 (GRCm39) G229D probably damaging Het
Hlx G T 1: 184,459,838 (GRCm39) S433R probably benign Het
Kdm2b T A 5: 123,018,762 (GRCm39) S233C probably damaging Het
Krt14 C T 11: 100,097,939 (GRCm39) G115R unknown Het
Lrp1 T A 10: 127,391,607 (GRCm39) E2937D probably damaging Het
Mark2 G C 19: 7,260,112 (GRCm39) S111C probably damaging Het
Naa20 T A 2: 145,753,715 (GRCm39) probably null Het
Ndufa8 A T 2: 35,926,527 (GRCm39) W170R probably damaging Het
Nlrp2 A T 7: 5,328,041 (GRCm39) L671I probably damaging Het
Or52e19b T A 7: 103,032,407 (GRCm39) R267S probably benign Het
Or5b108 T A 19: 13,168,673 (GRCm39) I214K probably damaging Het
Ptgir A G 7: 16,640,794 (GRCm39) M29V possibly damaging Het
Ptpro A G 6: 137,426,885 (GRCm39) D280G probably benign Het
Reps1 A G 10: 17,972,031 (GRCm39) E361G probably damaging Het
Rgs6 A G 12: 83,138,578 (GRCm39) E304G probably damaging Het
Siglece T C 7: 43,308,793 (GRCm39) T187A probably benign Het
Slc5a10 C T 11: 61,610,760 (GRCm39) G5R probably null Het
Sohlh1 A G 2: 25,734,648 (GRCm39) I215T probably benign Het
Stag1 T A 9: 100,771,648 (GRCm39) V691D probably damaging Het
Tectb C G 19: 55,169,431 (GRCm39) probably benign Het
Tmed8 A G 12: 87,221,031 (GRCm39) V185A probably damaging Het
Trim71 A G 9: 114,341,840 (GRCm39) F814S probably damaging Het
Trmt9b T C 8: 36,972,804 (GRCm39) C85R probably damaging Het
Tsnax A T 8: 125,742,428 (GRCm39) K52N probably damaging Het
Tubgcp3 T C 8: 12,682,292 (GRCm39) T676A 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
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
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'- TGCTGGAAGCCATATGACAAG -3'
(R):5'- TCCCTGTGAAAGACTTGGCG -3'

Sequencing Primer
(F):5'- GCCATATGACAAGGCATCTGTTC -3'
(R):5'- AGACTTGGCGGTGGACAGC -3'
Posted On 2014-10-01