Incidental Mutation 'R7327:Ldb3'
ID 569012
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 045420-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7327 (G1)
Quality Score 225.009
Status Validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 34293759 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 155 (N155S)
Ref Sequence ENSEMBL: ENSMUSP00000087494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000022330] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000227819] [ENSMUST00000228044]
AlphaFold Q9JKS4
Predicted Effect probably benign
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 benign
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 benign
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 possibly damaging
Transcript: ENSMUST00000064098
AA Change: N155S

PolyPhen 2 Score 0.955 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000066784
Gene: ENSMUSG00000021798
AA Change: N155S

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 damaging
Transcript: ENSMUST00000090040
AA Change: N155S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000087494
Gene: ENSMUSG00000021798
AA Change: N155S

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 damaging
Transcript: ENSMUST00000227819
AA Change: N155S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably damaging
Transcript: ENSMUST00000228044
AA Change: N155S

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
Meta Mutation Damage Score 0.2219 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 100% (63/63)
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcf3 C T 16: 20,367,430 (GRCm39) T3I probably benign Het
Ahi1 T A 10: 20,862,976 (GRCm39) V717E probably damaging Het
Anapc4 A G 5: 53,002,672 (GRCm39) T238A probably damaging Het
Arhgap27 A T 11: 103,251,367 (GRCm39) C120* probably null Het
Bdp1 A T 13: 100,178,040 (GRCm39) V1943D probably damaging Het
Cdc14b A G 13: 64,373,461 (GRCm39) V141A probably damaging Het
Cfap46 G T 7: 139,215,062 (GRCm39) probably null Het
Cgnl1 C A 9: 71,633,165 (GRCm39) R62L possibly damaging Het
Chaf1a A G 17: 56,369,573 (GRCm39) S522G probably benign Het
Cox19 A G 5: 139,328,402 (GRCm39) F37S probably damaging Het
Csmd1 G A 8: 16,108,721 (GRCm39) S1894L probably damaging Het
Cyp4a12a A T 4: 115,184,756 (GRCm39) R346W probably damaging Het
Dip2a A C 10: 76,108,396 (GRCm39) C1315G probably benign Het
Dmxl2 A C 9: 54,308,869 (GRCm39) W1961G probably damaging Het
Dst T C 1: 34,240,486 (GRCm39) L1945P probably damaging Het
Efr3a A G 15: 65,691,627 (GRCm39) S92G probably damaging Het
Ep300 C T 15: 81,511,515 (GRCm39) T865I unknown Het
Ercc6 A G 14: 32,248,361 (GRCm39) E304G probably benign Het
Filip1l A C 16: 57,391,300 (GRCm39) E629D probably damaging Het
Frem1 G A 4: 82,938,992 (GRCm39) T30I possibly damaging Het
Glb1 T C 9: 114,246,126 (GRCm39) F59S probably benign Het
Gli3 T C 13: 15,900,144 (GRCm39) L1177P probably benign Het
Gpatch2l A G 12: 86,303,646 (GRCm39) T223A probably damaging Het
Gpt2 G A 8: 86,244,681 (GRCm39) E325K probably benign Het
Hmcn1 A T 1: 150,479,565 (GRCm39) M4633K probably benign Het
Hoxc8 T A 15: 102,899,542 (GRCm39) Y111N probably damaging Het
Ifi207 A G 1: 173,556,581 (GRCm39) L726P probably benign Het
Iqcn T A 8: 71,169,453 (GRCm39) M1181K possibly damaging Het
Iqgap2 T A 13: 95,772,163 (GRCm39) M1339L probably benign Het
Kif21b A G 1: 136,087,387 (GRCm39) Q901R possibly damaging Het
Krtap4-8 C A 11: 99,671,234 (GRCm39) C79F unknown Het
Mad2l1 T A 6: 66,516,794 (GRCm39) V162E probably benign Het
Map7 T A 10: 20,109,208 (GRCm39) V87E unknown Het
Mndal A T 1: 173,703,185 (GRCm39) D73E unknown Het
Msantd1 T C 5: 35,075,039 (GRCm39) S34P probably damaging Het
Myh14 T C 7: 44,260,977 (GRCm39) Q1838R possibly damaging Het
Myh15 G T 16: 48,993,369 (GRCm39) R1668L possibly damaging Het
Ncoa7 A G 10: 30,565,796 (GRCm39) M666T probably damaging Het
Nol6 A T 4: 41,116,686 (GRCm39) L944Q probably benign Het
Or5h27 A T 16: 59,006,376 (GRCm39) F157I unknown Het
Orc1 A G 4: 108,445,911 (GRCm39) T10A probably benign Het
Pcp4l1 G A 1: 171,002,034 (GRCm39) A42V possibly damaging Het
Pglyrp2 C T 17: 32,634,893 (GRCm39) A490T probably benign Het
Pirb A T 7: 3,720,187 (GRCm39) C395* probably null Het
Ppp1r11 T C 17: 37,261,900 (GRCm39) R12G possibly damaging Het
Prlr A G 15: 10,346,524 (GRCm39) D290G probably benign Het
Ptpn21 G T 12: 98,646,360 (GRCm39) R1033S probably damaging Het
Rad54l2 A G 9: 106,570,660 (GRCm39) L1220P possibly damaging Het
Rufy3 G A 5: 88,790,811 (GRCm39) R504H probably damaging Het
Scgb2b21 C T 7: 33,219,330 (GRCm39) V25I probably benign Het
Sh3bgrl2 T C 9: 83,430,542 (GRCm39) S11P possibly damaging Het
Slain2 A T 5: 73,132,002 (GRCm39) T498S probably benign Het
Slc12a4 C T 8: 106,682,347 (GRCm39) G121S probably damaging Het
Slc30a9 A T 5: 67,499,462 (GRCm39) I307F probably damaging Het
Snap91 C T 9: 86,655,598 (GRCm39) G800R unknown Het
Tnc G T 4: 63,882,999 (GRCm39) probably null Het
Trav21-dv12 T C 14: 54,113,514 (GRCm39) probably benign Het
Txk A T 5: 72,873,226 (GRCm39) I228N probably damaging Het
Vac14 T C 8: 111,438,252 (GRCm39) Y622H probably damaging Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Wdr35 T G 12: 9,037,312 (GRCm39) M306R probably benign Het
Zan A T 5: 137,463,494 (GRCm39) S562T 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
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'- CGGGTGACTCAAGGTGAATG -3'
(R):5'- CCTCAACTTTGGGAGATCTCTC -3'

Sequencing Primer
(F):5'- TGAAGAAAGCTGGTTCCGTG -3'
(R):5'- GGCCTCGACTTCCCATGTAAC -3'
Posted On 2019-09-13