Incidental Mutation 'R6994:Lamc2'
ID 544015
Institutional Source Beutler Lab
Gene Symbol Lamc2
Ensembl Gene ENSMUSG00000026479
Gene Name laminin, gamma 2
Synonyms nicein, 100kDa
MMRRC Submission 045100-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.485) question?
Stock # R6994 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 152998502-153062193 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 153012508 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Methionine at position 722 (T722M)
Ref Sequence ENSEMBL: ENSMUSP00000140514 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027753] [ENSMUST00000185356]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000027753
AA Change: T722M

PolyPhen 2 Score 0.184 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000027753
Gene: ENSMUSG00000026479
AA Change: T722M

DomainStartEndE-ValueType
EGF_Lam 28 81 1.03e-7 SMART
EGF_Lam 84 128 2.14e-14 SMART
EGF_Lam 139 184 4.52e-13 SMART
LamB 245 370 7.58e-46 SMART
EGF_like 370 413 3.83e0 SMART
Blast:EGF_like 417 460 8e-23 BLAST
EGF_Lam 462 514 1.95e-8 SMART
EGF_Lam 517 570 1.88e-10 SMART
EGF_like 573 610 2.6e-1 SMART
coiled coil region 612 680 N/A INTRINSIC
low complexity region 792 817 N/A INTRINSIC
coiled coil region 952 994 N/A INTRINSIC
low complexity region 1016 1027 N/A INTRINSIC
coiled coil region 1039 1072 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000185356
AA Change: T722M

PolyPhen 2 Score 0.184 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000140514
Gene: ENSMUSG00000026479
AA Change: T722M

DomainStartEndE-ValueType
EGF_Lam 28 81 1.03e-7 SMART
EGF_Lam 84 128 2.14e-14 SMART
EGF_Lam 139 184 4.52e-13 SMART
LamB 245 370 7.58e-46 SMART
EGF_like 370 413 3.83e0 SMART
Blast:EGF_like 417 460 8e-23 BLAST
EGF_Lam 462 514 1.95e-8 SMART
EGF_Lam 517 570 1.88e-10 SMART
EGF_like 573 610 2.6e-1 SMART
coiled coil region 612 680 N/A INTRINSIC
low complexity region 792 817 N/A INTRINSIC
coiled coil region 952 994 N/A INTRINSIC
low complexity region 1016 1027 N/A INTRINSIC
coiled coil region 1039 1072 N/A INTRINSIC
Meta Mutation Damage Score 0.0846 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency 96% (82/85)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. Laminins, composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively), have a cruciform structure consisting of 3 short arms, each formed by a different chain, and a long arm composed of all 3 chains. Each laminin chain is a multidomain protein encoded by a distinct gene. Several isoforms of each chain have been described. Different alpha, beta and gamma chain isomers combine to give rise to different heterotrimeric laminin isoforms which are designated by Arabic numerals in the order of their discovery, i.e. alpha1beta1gamma1 heterotrimer is laminin 1. The biological functions of the different chains and trimer molecules are largely unknown, but some of the chains have been shown to differ with respect to their tissue distribution, presumably reflecting diverse functions in vivo. This gene encodes the gamma chain isoform laminin, gamma 2. The gamma 2 chain, formerly thought to be a truncated version of beta chain (B2t), is highly homologous to the gamma 1 chain; however, it lacks domain VI, and domains V, IV and III are shorter. It is expressed in several fetal tissues but differently from gamma 1, and is specifically localized to epithelial cells in skin, lung and kidney. The gamma 2 chain together with alpha 3 and beta 3 chains constitute laminin 5 (earlier known as kalinin), which is an integral part of the anchoring filaments that connect epithelial cells to the underlying basement membrane. The epithelium-specific expression of the gamma 2 chain implied its role as an epithelium attachment molecule, and mutations in this gene have been associated with junctional epidermolysis bullosa, a skin disease characterized by blisters due to disruption of the epidermal-dermal junction. Two transcript variants resulting from alternative splicing of the 3' terminal exon, and encoding different isoforms of gamma 2 chain, have been described. The two variants are differentially expressed in embryonic tissues, however, the biological significance of the two forms is not known. Transcript variants utilizing alternative polyA_signal have also been noted in literature. [provided by RefSeq, Aug 2011]
PHENOTYPE: Mice homozygous for disruptions in this gene display abnormalities in cell:cell adhesion involving epithelial cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4 T G 4: 144,349,849 (GRCm39) W369G probably damaging Het
Abhd16b C T 2: 181,135,461 (GRCm39) T121M possibly damaging Het
Adam5 A T 8: 25,276,262 (GRCm39) C468* probably null Het
Aim2 C T 1: 173,283,152 (GRCm39) A78V possibly damaging Het
Alg9 G A 9: 50,703,422 (GRCm39) W254* probably null Het
Ankrd55 G C 13: 112,504,834 (GRCm39) E499Q probably benign Het
Atp6v0a2 T C 5: 124,791,209 (GRCm39) F546S probably damaging Het
Bean1 CT C 8: 104,908,664 (GRCm39) probably null Het
Bpi A T 2: 158,100,164 (GRCm39) probably benign Het
Bves A G 10: 45,215,514 (GRCm39) H63R probably benign Het
Ccdc183 T C 2: 25,507,057 (GRCm39) M45V probably benign Het
Cfhr4 T A 1: 139,664,668 (GRCm39) I464L possibly damaging Het
Cmklr1 T C 5: 113,752,983 (GRCm39) Y6C probably damaging Het
Colgalt1 C T 8: 72,076,165 (GRCm39) R539C probably damaging Het
Ctsm T A 13: 61,687,698 (GRCm39) E53D probably damaging Het
Cyp2a22 A G 7: 26,638,606 (GRCm39) probably null Het
Ddx10 A G 9: 53,115,411 (GRCm39) V641A probably damaging Het
Ddx6 T C 9: 44,540,020 (GRCm39) V316A probably damaging Het
Dhx34 T C 7: 15,937,799 (GRCm39) D767G probably benign Het
Dnaaf6rt T C 1: 31,261,990 (GRCm39) probably benign Het
Dtnbp1 T A 13: 45,155,405 (GRCm39) D15V probably damaging Het
Dtx3l C T 16: 35,751,742 (GRCm39) probably null Het
Entpd8 T C 2: 24,973,321 (GRCm39) I162T probably damaging Het
Fam186a G T 15: 99,840,347 (GRCm39) Q1966K probably benign Het
Fbxo27 A C 7: 28,392,785 (GRCm39) D22A probably damaging Het
Fermt3 A T 19: 6,977,095 (GRCm39) I577N probably damaging Het
Frmd8 A T 19: 5,923,209 (GRCm39) S81T probably damaging Het
Gm5108 T A 5: 68,102,012 (GRCm39) probably benign Het
Gm9195 T C 14: 72,718,271 (GRCm39) Y135C probably damaging Het
Gpatch2l G A 12: 86,290,958 (GRCm39) R47H probably damaging Het
Kcnh8 A T 17: 53,284,723 (GRCm39) I898F probably benign Het
Kri1 C T 9: 21,199,083 (GRCm39) probably benign Het
Krt32 T A 11: 99,977,271 (GRCm39) I210F probably damaging Het
Lama1 G A 17: 68,060,820 (GRCm39) C716Y Het
Lpin3 C T 2: 160,746,803 (GRCm39) P766L probably damaging Het
Macroh2a1 T C 13: 56,237,643 (GRCm39) N206D probably benign Het
Marf1 T C 16: 13,946,721 (GRCm39) T1169A probably damaging Het
Morc1 G A 16: 48,385,984 (GRCm39) V536M probably benign Het
Morc1 A T 16: 48,438,909 (GRCm39) H768L probably benign Het
Mpped2 T A 2: 106,529,878 (GRCm39) H42Q possibly damaging Het
Nfatc1 G T 18: 80,696,779 (GRCm39) probably null Het
Nfkbid G A 7: 30,125,192 (GRCm39) S263N probably benign Het
Npas3 C A 12: 54,115,576 (GRCm39) Q802K probably damaging Het
Or52s1b T C 7: 102,822,119 (GRCm39) T242A probably damaging Het
Or5ac20 T G 16: 59,104,453 (GRCm39) M136L possibly damaging Het
Or5p67 T A 7: 107,922,101 (GRCm39) I261F possibly damaging Het
Pabpc4l C A 3: 46,401,345 (GRCm39) V100L possibly damaging Het
Pagr1a A G 7: 126,615,613 (GRCm39) probably null Het
Pcdh1 A T 18: 38,331,553 (GRCm39) N483K probably damaging Het
Pikfyve C A 1: 65,291,689 (GRCm39) P1303T probably damaging Het
Plekhh3 T A 11: 101,056,519 (GRCm39) probably null Het
Pnkd T A 1: 74,332,335 (GRCm39) probably null Het
Pparg A T 6: 115,428,011 (GRCm39) Q166L probably benign Het
Psenen A G 7: 30,262,932 (GRCm39) probably null Het
Rab4a T C 8: 124,557,105 (GRCm39) S142P probably damaging Het
Reg3a T C 6: 78,358,132 (GRCm39) V21A probably benign Het
Relt A C 7: 100,502,321 (GRCm39) probably benign Het
Rftn1 T A 17: 50,344,019 (GRCm39) T90S possibly damaging Het
Ripor3 T G 2: 167,839,186 (GRCm39) D105A probably damaging Het
Rnase10 T A 14: 51,247,138 (GRCm39) I135N probably damaging Het
Rsrc1 C T 3: 66,901,982 (GRCm39) P44L unknown Het
Rttn A G 18: 89,047,023 (GRCm39) E895G probably damaging Het
Serpina3a G A 12: 104,079,089 (GRCm39) probably null Het
Slco5a1 C T 1: 12,951,617 (GRCm39) C562Y probably damaging Het
Spen T C 4: 141,220,770 (GRCm39) T396A unknown Het
Tgfbr3 A G 5: 107,280,892 (GRCm39) S623P probably damaging Het
Tmem8b A G 4: 43,690,192 (GRCm39) I876V probably damaging Het
Tmod3 T C 9: 75,416,669 (GRCm39) K221R probably damaging Het
Tomm40 G T 7: 19,436,831 (GRCm39) D40E probably damaging Het
Trav6d-4 G T 14: 52,991,048 (GRCm39) G28V probably damaging Het
Trav8d-2 G T 14: 53,279,933 (GRCm39) A17S probably benign Het
Triml2 T C 8: 43,643,115 (GRCm39) C158R possibly damaging Het
Trip10 A G 17: 57,562,331 (GRCm39) E283G probably damaging Het
Tubb2b T C 13: 34,311,518 (GRCm39) Y425C probably damaging Het
Ubr1 T C 2: 120,794,074 (GRCm39) T37A probably benign Het
Unc13b A G 4: 43,171,403 (GRCm39) probably benign Het
Unc13b A G 4: 43,173,203 (GRCm39) probably benign Het
Vcan A T 13: 89,841,526 (GRCm39) D379E possibly damaging Het
Vmn1r44 T A 6: 89,871,140 (GRCm39) H295Q probably benign Het
Vmn2r16 A T 5: 109,487,969 (GRCm39) S281C probably damaging Het
Vmn2r84 C T 10: 130,226,876 (GRCm39) A321T possibly damaging Het
Vsig10l A T 7: 43,114,491 (GRCm39) H271L possibly damaging Het
Vwa8 A T 14: 79,145,596 (GRCm39) H91L possibly damaging Het
Zfp957 T A 14: 79,451,130 (GRCm39) E223V probably damaging Het
Other mutations in Lamc2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00771:Lamc2 APN 1 153,005,802 (GRCm39) missense probably benign 0.00
IGL00907:Lamc2 APN 1 153,020,397 (GRCm39) missense probably benign 0.32
IGL02026:Lamc2 APN 1 153,020,482 (GRCm39) splice site probably benign
IGL02335:Lamc2 APN 1 153,041,962 (GRCm39) missense probably benign 0.00
IGL02568:Lamc2 APN 1 153,042,008 (GRCm39) missense possibly damaging 0.91
IGL02640:Lamc2 APN 1 153,027,803 (GRCm39) missense probably damaging 0.99
IGL02801:Lamc2 APN 1 153,012,529 (GRCm39) missense probably benign 0.10
IGL02827:Lamc2 APN 1 153,015,527 (GRCm39) missense probably damaging 1.00
IGL03240:Lamc2 APN 1 152,999,871 (GRCm39) missense probably damaging 1.00
IGL03245:Lamc2 APN 1 153,009,503 (GRCm39) splice site probably null
abasement UTSW 1 153,002,771 (GRCm39) missense probably null 0.86
ANU74:Lamc2 UTSW 1 153,007,581 (GRCm39) missense probably benign 0.00
R0279:Lamc2 UTSW 1 153,006,442 (GRCm39) missense probably benign 0.01
R0528:Lamc2 UTSW 1 152,999,840 (GRCm39) missense probably damaging 1.00
R0597:Lamc2 UTSW 1 153,009,367 (GRCm39) missense probably benign 0.02
R0650:Lamc2 UTSW 1 153,019,622 (GRCm39) missense possibly damaging 0.88
R0826:Lamc2 UTSW 1 153,027,828 (GRCm39) missense probably damaging 1.00
R1015:Lamc2 UTSW 1 153,041,945 (GRCm39) missense possibly damaging 0.53
R1172:Lamc2 UTSW 1 153,042,033 (GRCm39) missense probably damaging 1.00
R1308:Lamc2 UTSW 1 153,026,564 (GRCm39) missense probably damaging 1.00
R1521:Lamc2 UTSW 1 153,042,009 (GRCm39) missense probably benign 0.11
R1525:Lamc2 UTSW 1 153,006,502 (GRCm39) missense probably benign 0.00
R1602:Lamc2 UTSW 1 153,002,774 (GRCm39) missense probably benign 0.00
R1631:Lamc2 UTSW 1 153,034,680 (GRCm39) missense possibly damaging 0.95
R1633:Lamc2 UTSW 1 153,017,444 (GRCm39) nonsense probably null
R1832:Lamc2 UTSW 1 153,041,933 (GRCm39) missense possibly damaging 0.72
R1978:Lamc2 UTSW 1 153,009,343 (GRCm39) critical splice donor site probably null
R1996:Lamc2 UTSW 1 153,030,216 (GRCm39) missense possibly damaging 0.84
R2046:Lamc2 UTSW 1 153,017,511 (GRCm39) missense probably benign 0.01
R2107:Lamc2 UTSW 1 153,030,132 (GRCm39) splice site probably benign
R2130:Lamc2 UTSW 1 153,002,870 (GRCm39) missense probably damaging 1.00
R2182:Lamc2 UTSW 1 153,002,612 (GRCm39) missense possibly damaging 0.46
R2207:Lamc2 UTSW 1 153,009,452 (GRCm39) missense possibly damaging 0.68
R2218:Lamc2 UTSW 1 153,006,525 (GRCm39) missense probably benign 0.21
R3772:Lamc2 UTSW 1 152,999,997 (GRCm39) missense probably benign
R4616:Lamc2 UTSW 1 153,041,915 (GRCm39) missense probably damaging 1.00
R4874:Lamc2 UTSW 1 153,030,141 (GRCm39) missense probably null 1.00
R4939:Lamc2 UTSW 1 153,002,582 (GRCm39) missense probably damaging 1.00
R4985:Lamc2 UTSW 1 153,012,551 (GRCm39) missense probably benign
R5544:Lamc2 UTSW 1 152,999,799 (GRCm39) missense possibly damaging 0.93
R5632:Lamc2 UTSW 1 153,007,636 (GRCm39) missense probably damaging 1.00
R5771:Lamc2 UTSW 1 153,017,340 (GRCm39) missense probably benign 0.04
R5811:Lamc2 UTSW 1 153,041,999 (GRCm39) missense possibly damaging 0.53
R6058:Lamc2 UTSW 1 153,012,575 (GRCm39) missense probably benign 0.01
R6130:Lamc2 UTSW 1 153,012,523 (GRCm39) missense probably benign 0.01
R6137:Lamc2 UTSW 1 153,041,899 (GRCm39) missense possibly damaging 0.90
R6995:Lamc2 UTSW 1 153,012,508 (GRCm39) missense probably benign 0.18
R6997:Lamc2 UTSW 1 153,012,508 (GRCm39) missense probably benign 0.18
R7000:Lamc2 UTSW 1 153,041,873 (GRCm39) missense possibly damaging 0.72
R7018:Lamc2 UTSW 1 153,012,488 (GRCm39) missense probably benign 0.00
R7145:Lamc2 UTSW 1 153,006,518 (GRCm39) missense possibly damaging 0.95
R7148:Lamc2 UTSW 1 153,061,730 (GRCm39) missense probably benign 0.01
R7171:Lamc2 UTSW 1 153,015,495 (GRCm39) missense probably damaging 1.00
R7640:Lamc2 UTSW 1 153,012,550 (GRCm39) missense possibly damaging 0.79
R7673:Lamc2 UTSW 1 152,999,782 (GRCm39) missense probably damaging 1.00
R7684:Lamc2 UTSW 1 153,002,771 (GRCm39) missense probably null 0.86
R7712:Lamc2 UTSW 1 153,009,357 (GRCm39) missense possibly damaging 0.81
R7940:Lamc2 UTSW 1 153,006,521 (GRCm39) nonsense probably null
R8153:Lamc2 UTSW 1 152,999,850 (GRCm39) frame shift probably null
R8211:Lamc2 UTSW 1 153,042,024 (GRCm39) missense probably damaging 1.00
R8486:Lamc2 UTSW 1 153,034,637 (GRCm39) missense probably benign
R8739:Lamc2 UTSW 1 153,020,399 (GRCm39) nonsense probably null
R8744:Lamc2 UTSW 1 153,019,484 (GRCm39) missense probably benign 0.19
R8911:Lamc2 UTSW 1 153,027,873 (GRCm39) missense probably damaging 1.00
R9435:Lamc2 UTSW 1 153,013,072 (GRCm39) missense probably benign 0.00
R9457:Lamc2 UTSW 1 153,015,600 (GRCm39) missense probably benign
RF024:Lamc2 UTSW 1 153,027,801 (GRCm39) missense possibly damaging 0.70
Z1176:Lamc2 UTSW 1 153,009,367 (GRCm39) missense probably benign 0.04
Predicted Primers PCR Primer
(F):5'- TAGACAGGCCTGTGACAAAG -3'
(R):5'- GGGTTAACACGGTCATTCTGC -3'

Sequencing Primer
(F):5'- GAAGAAAAGCCCAGCTACCTG -3'
(R):5'- GGTTAACACGGTCATTCTGCATCAG -3'
Posted On 2019-05-13