Incidental Mutation 'R6917:Ldb3'
ID 539413
Institutional Source Beutler Lab
Gene Symbol Ldb3
Ensembl Gene ENSMUSG00000021798
Gene Name LIM domain binding 3
Synonyms ZASP, cypher
MMRRC Submission 045038-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6917 (G1)
Quality Score 225.009
Status Validated
Chromosome 14
Chromosomal Location 34248560-34310639 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 34277321 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Valine at position 351 (A351V)
Ref Sequence ENSEMBL: ENSMUSP00000022327 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022327] [ENSMUST00000022328] [ENSMUST00000064098] [ENSMUST00000090040] [ENSMUST00000228044]
AlphaFold Q9JKS4
PDB Structure Solution structure of PDZ domain of mouse Cypher protein [SOLUTION NMR]
Predicted Effect probably null
Transcript: ENSMUST00000022327
AA Change: A351V

PolyPhen 2 Score 0.026 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000022327
Gene: ENSMUSG00000021798
AA Change: A351V

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 null
Transcript: ENSMUST00000064098
AA Change: A307V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000066784
Gene: ENSMUSG00000021798
AA Change: A307V

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: A312V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000087494
Gene: ENSMUSG00000021798
AA Change: A312V

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 benign
Transcript: ENSMUST00000228044
Meta Mutation Damage Score 0.9756 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 95.6%
Validation Efficiency 96% (45/47)
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: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abi3bp A G 16: 56,437,684 (GRCm39) probably null Het
Adcy2 A T 13: 68,768,876 (GRCm39) M1084K possibly damaging Het
Ak1 A G 2: 32,521,164 (GRCm39) Y95C possibly damaging Het
Akap6 A G 12: 53,115,951 (GRCm39) E1018G probably null Het
Ccdc175 A G 12: 72,231,679 (GRCm39) S27P probably damaging Het
Ddx31 C T 2: 28,782,421 (GRCm39) T588I probably damaging Het
Dmxl1 T C 18: 49,997,215 (GRCm39) W504R probably damaging Het
Echs1 T G 7: 139,689,924 (GRCm39) M239L probably benign Het
Eno1b A G 18: 48,180,656 (GRCm39) D278G probably benign Het
Eno3 A G 11: 70,552,262 (GRCm39) T305A probably benign Het
Gm5591 T A 7: 38,221,614 (GRCm39) S152C probably damaging Het
Gngt1 A G 6: 3,996,680 (GRCm39) D42G probably benign Het
Gpatch2l G A 12: 86,290,958 (GRCm39) R47H probably damaging Het
H2-Aa T C 17: 34,502,681 (GRCm39) T79A probably damaging Het
Ice1 A T 13: 70,743,013 (GRCm39) Y2116N probably damaging Het
Kdm6b A G 11: 69,297,419 (GRCm39) M311T probably benign Het
L1td1 T C 4: 98,622,268 (GRCm39) F277L probably benign Het
Lamp1 T C 8: 13,222,563 (GRCm39) I249T probably damaging Het
Lmo7 A G 14: 102,155,446 (GRCm39) E996G probably damaging Het
Lsr T C 7: 30,657,721 (GRCm39) D413G possibly damaging Het
Magel2 CCCTCCTCCTCCTCCTCCTCCT CCCTCCTCCTCCTCCTCCT 7: 62,027,592 (GRCm39) probably benign Het
Myo7a T C 7: 97,744,970 (GRCm39) E290G possibly damaging Het
Nos2 C T 11: 78,842,053 (GRCm39) T735M possibly damaging Het
Or10ak12 A T 4: 118,666,326 (GRCm39) L245H probably damaging Het
Or11h6 A G 14: 50,880,680 (GRCm39) K314R possibly damaging Het
Or8g36 T A 9: 39,422,495 (GRCm39) I174L probably damaging Het
Pik3c2g T C 6: 139,841,899 (GRCm39) L768P probably benign Het
Plod2 T A 9: 92,475,823 (GRCm39) V302D possibly damaging Het
Ptgdr A T 14: 45,096,067 (GRCm39) V215E possibly damaging Het
Rad51d C T 11: 82,770,159 (GRCm39) R199Q probably damaging Het
Rsrc1 C T 3: 66,901,982 (GRCm39) P44L unknown Het
Rtel1 ATT ATTTT 2: 180,980,070 (GRCm39) probably null Het
Sgip1 A G 4: 102,825,388 (GRCm39) R772G probably damaging Het
Slc19a2 C A 1: 164,088,578 (GRCm39) T141N probably damaging Het
Sp4 G T 12: 118,262,908 (GRCm39) N379K probably damaging Het
Thrap3 A G 4: 126,074,285 (GRCm39) probably benign Het
Thumpd2 T G 17: 81,351,543 (GRCm39) I293L probably benign Het
Tjp1 A G 7: 64,949,436 (GRCm39) S1649P probably damaging Het
Tssk4 A G 14: 55,889,864 (GRCm39) S326G probably benign Het
Txndc9 A C 1: 38,034,887 (GRCm39) S6A probably benign Het
Uhrf1 T C 17: 56,616,574 (GRCm39) Y131H probably damaging Het
Vnn3 A G 10: 23,741,832 (GRCm39) D379G possibly damaging Het
Vsig2 T A 9: 37,452,745 (GRCm39) S105T probably benign Het
Zfp445 A T 9: 122,691,359 (GRCm39) probably null Het
Zfp654 A T 16: 64,606,834 (GRCm39) M456K probably damaging 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
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'- TCTCACTAATCATGGCTCGTGC -3'
(R):5'- CATCAGCACCCCTATTGAGC -3'

Sequencing Primer
(F):5'- TGGCTCGTGCATCCCATACAATAG -3'
(R):5'- CCTATTGAGCATGCTCCAGTGTG -3'
Posted On 2018-11-06