Incidental Mutation 'R2246:Ldb3'
ID 240875
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 040246-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2246 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 34251432 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 675 (H675Q)
Ref Sequence ENSEMBL: ENSMUSP00000066784 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000228044]
AlphaFold Q9JKS4
Predicted Effect probably damaging
Transcript: ENSMUST00000022327
AA Change: H719Q

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798
AA Change: H719Q

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 damaging
Transcript: ENSMUST00000022328
AA Change: H657Q

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000022328
Gene: ENSMUSG00000021798
AA Change: H657Q

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 damaging
Transcript: ENSMUST00000064098
AA Change: H675Q

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000066784
Gene: ENSMUSG00000021798
AA Change: H675Q

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 possibly damaging
Transcript: ENSMUST00000090040
AA Change: H680Q

PolyPhen 2 Score 0.663 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000087494
Gene: ENSMUSG00000021798
AA Change: H680Q

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: ENSMUST00000228044
AA Change: H618Q

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alms1 T G 6: 85,599,949 (GRCm39) S1592A possibly damaging Het
Anapc16 G T 10: 59,832,298 (GRCm39) Y38* probably null Het
Clec7a T A 6: 129,444,532 (GRCm39) H101L probably benign Het
Cwf19l2 A G 9: 3,430,661 (GRCm39) D331G probably benign Het
Dcaf1 A G 9: 106,731,376 (GRCm39) T618A possibly damaging Het
Dysf G A 6: 84,163,491 (GRCm39) probably null Het
Fn1 A T 1: 71,667,694 (GRCm39) D766E probably benign Het
Ggta1 T C 2: 35,292,121 (GRCm39) *395W probably null Het
Grik2 C T 10: 49,411,532 (GRCm39) R202H probably damaging Het
Hcls1 G T 16: 36,782,984 (GRCm39) S445I probably damaging Het
Hip1 A C 5: 135,481,698 (GRCm39) S166R probably damaging Het
Hivep2 C A 10: 14,004,713 (GRCm39) T437K probably benign Het
Igsf9 T A 1: 172,319,216 (GRCm39) S236R probably benign Het
Knl1 C T 2: 118,902,708 (GRCm39) P1470S probably damaging Het
Or10ab4 C T 7: 107,654,989 (GRCm39) R267C probably benign Het
Or10ag57 T A 2: 87,218,195 (GRCm39) S49T probably benign Het
Or6c3b A G 10: 129,527,812 (GRCm39) Y33H probably damaging Het
Palld T C 8: 62,330,169 (GRCm39) D236G probably benign Het
Pank3 A G 11: 35,674,333 (GRCm39) K332R probably benign Het
Phaf1 T A 8: 105,973,132 (GRCm39) D247E possibly damaging Het
Pramel11 A G 4: 143,623,790 (GRCm39) V128A probably benign Het
Prrc2c A G 1: 162,535,360 (GRCm39) probably benign Het
Ror2 C T 13: 53,265,638 (GRCm39) G473S probably damaging Het
Shisal1 T A 15: 84,301,400 (GRCm39) H81L probably damaging Het
Slc15a2 A T 16: 36,582,723 (GRCm39) Y222N probably damaging Het
Slc38a7 A T 8: 96,570,468 (GRCm39) M269K probably damaging Het
Srrd A T 5: 112,487,622 (GRCm39) L159H probably damaging Het
Tap2 C A 17: 34,427,775 (GRCm39) S218Y possibly damaging Het
Tex15 G A 8: 34,072,540 (GRCm39) V2696I possibly damaging Het
Tmem67 G A 4: 12,040,651 (GRCm39) T1030I probably damaging Het
Traf5 T C 1: 191,751,190 (GRCm39) probably null Het
Try4 C T 6: 41,282,406 (GRCm39) T242I possibly damaging Het
Ubqln3 C T 7: 103,791,518 (GRCm39) V191I probably damaging Het
Vmn2r67 T C 7: 84,785,764 (GRCm39) Y747C probably damaging Het
Wipf3 C T 6: 54,466,058 (GRCm39) P439S probably damaging Het
Zbed5 A T 5: 129,931,592 (GRCm39) M514L probably benign Het
Zfp592 A G 7: 80,691,361 (GRCm39) D1180G possibly damaging Het
Zfyve9 A T 4: 108,546,461 (GRCm39) D790E possibly damaging Het
Zkscan16 A G 4: 58,957,329 (GRCm39) K537R 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
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'- GAAGTCCAATTCCAGCCGTG -3'
(R):5'- CATTAGACTTTGTAGCAGAGGGG -3'

Sequencing Primer
(F):5'- CAGCCGTGGATTAATTACTAGCTG -3'
(R):5'- TTAGGTGCCACAGTGCAT -3'
Posted On 2014-10-15