Incidental Mutation 'R7146:Lamb2'
ID 553807
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 045251-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R7146 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 108361283 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 605 (L605Q)
Ref Sequence ENSEMBL: ENSMUSP00000069087 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000065014] [ENSMUST00000194147] [ENSMUST00000195058] [ENSMUST00000195483]
AlphaFold Q61292
Predicted Effect possibly damaging
Transcript: ENSMUST00000065014
AA Change: L605Q

PolyPhen 2 Score 0.945 (Sensitivity: 0.80; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911
AA Change: L605Q

DomainStartEndE-ValueType
signal peptide 1 35 N/A INTRINSIC
LamNT 44 284 1.9e-102 SMART
EGF_Lam 286 347 1.34e-6 SMART
EGF_Lam 350 410 6.1e-10 SMART
EGF_Lam 413 470 2.98e-13 SMART
EGF_Lam 473 522 7.93e-9 SMART
EGF_Lam 525 569 1.01e-10 SMART
EGF_Lam 784 829 3.42e-13 SMART
EGF_Lam 832 875 6.54e-10 SMART
EGF_Lam 878 925 1.34e-6 SMART
EGF_Lam 928 984 4.74e-7 SMART
EGF_Lam 987 1036 1.53e-10 SMART
EGF_Lam 1039 1093 6.29e-12 SMART
EGF_Lam 1096 1141 1.79e-7 SMART
EGF_Lam 1144 1188 6.64e-11 SMART
coiled coil region 1261 1299 N/A INTRINSIC
low complexity region 1445 1458 N/A INTRINSIC
coiled coil region 1473 1527 N/A INTRINSIC
low complexity region 1609 1625 N/A INTRINSIC
SCOP:d1eq1a_ 1632 1786 5e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000194147
SMART Domains Protein: ENSMUSP00000141562
Gene: ENSMUSG00000052911

DomainStartEndE-ValueType
low complexity region 59 79 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000195058
SMART Domains Protein: ENSMUSP00000141757
Gene: ENSMUSG00000052911

DomainStartEndE-ValueType
signal peptide 1 35 N/A INTRINSIC
Pfam:Laminin_N 50 102 6.2e-16 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000195483
SMART Domains Protein: ENSMUSP00000142304
Gene: ENSMUSG00000052911

DomainStartEndE-ValueType
signal peptide 1 35 N/A INTRINSIC
LamNT 44 125 3e-3 SMART
Meta Mutation Damage Score 0.1210 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 95% (99/104)
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), form 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 beta chain isoform laminin, beta 2. The beta 2 chain contains the 7 structural domains typical of beta chains of laminin, including the short alpha region. However, unlike beta 1 chain, beta 2 has a more restricted tissue distribution. It is enriched in the basement membrane of muscles at the neuromuscular junctions, kidney glomerulus and vascular smooth muscle. Transgenic mice in which the beta 2 chain gene was inactivated by homologous recombination, showed defects in the maturation of neuromuscular junctions and impairment of glomerular filtration. Alternative splicing involving a non consensus 5' splice site (gc) in the 5' UTR of this gene has been reported. It was suggested that inefficient splicing of this first intron, which does not change the protein sequence, results in a greater abundance of the unspliced form of the transcript than the spliced form. The full-length nature of the spliced transcript is not known. [provided by RefSeq, Aug 2011]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit small size, severe proteinuria due to a defect in glomerular filtration, abnormalities of the retina and skeletal neuromuscular synapses, and lethality by 30 days of age. [provided by MGI curators]
Allele List at MGI

All alleles(5) : Targeted, knock-out(2) Gene trapped(3)

Other mutations in this stock
Total: 100 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca14 A T 7: 119,854,520 (GRCm39) I895F probably benign Het
Abca16 A G 7: 120,126,974 (GRCm39) N1222D possibly damaging Het
Abcc4 A T 14: 118,852,593 (GRCm39) Y499N probably damaging Het
Adgrg7 A C 16: 56,550,605 (GRCm39) C702W probably damaging Het
Adk C A 14: 21,376,682 (GRCm39) P27H Het
Ankrd13a T C 5: 114,913,293 (GRCm39) S2P probably damaging Het
Ano1 T C 7: 144,209,393 (GRCm39) H269R probably benign Het
Aox3 T A 1: 58,197,688 (GRCm39) probably null Het
Asl G A 5: 130,053,290 (GRCm39) probably benign Het
Asxl2 A T 12: 3,507,066 (GRCm39) D86V probably damaging Het
Ate1 A T 7: 130,083,508 (GRCm39) probably null Het
Bach2 A G 4: 32,562,670 (GRCm39) D379G probably damaging Het
Bdkrb1 T A 12: 105,571,142 (GRCm39) L236Q probably damaging Het
Cacna2d3 T C 14: 29,443,654 (GRCm39) Y24C unknown Het
Cage1 G T 13: 38,207,025 (GRCm39) N273K probably benign Het
Ccdc51 T A 9: 108,920,848 (GRCm39) I245N probably damaging Het
Cep152 T C 2: 125,456,325 (GRCm39) I229V probably benign Het
Chst4 T A 8: 110,757,363 (GRCm39) S167C probably damaging Het
Cntnap4 A T 8: 113,537,268 (GRCm39) Y713F probably damaging Het
Cntnap5b G A 1: 99,978,519 (GRCm39) probably null Het
Cog8 G T 8: 107,779,005 (GRCm39) T424K possibly damaging Het
Cop1 T G 1: 159,071,922 (GRCm39) probably null Het
Cyp2j6 A G 4: 96,434,019 (GRCm39) I97T probably damaging Het
D430041D05Rik T C 2: 104,088,698 (GRCm39) T131A probably benign Het
Dnah17 T C 11: 117,972,936 (GRCm39) D1999G probably damaging Het
Dnah8 A G 17: 30,863,591 (GRCm39) D250G probably benign Het
Dnah8 T C 17: 30,988,618 (GRCm39) V3196A possibly damaging Het
Dscam A T 16: 96,631,117 (GRCm39) Y299* probably null Het
Efcab3 A G 11: 104,858,578 (GRCm39) N3879S unknown Het
Efcab3 A C 11: 104,913,764 (GRCm39) D4594A probably benign Het
Ephb1 A G 9: 101,841,157 (GRCm39) S774P probably damaging Het
Fat1 G A 8: 45,403,962 (GRCm39) V238I probably benign Het
Fermt1 C T 2: 132,776,785 (GRCm39) M234I probably benign Het
Fmnl2 C T 2: 52,958,552 (GRCm39) S212L Het
Frem1 T C 4: 82,840,532 (GRCm39) N1798S possibly damaging Het
Gabrd T A 4: 155,469,863 (GRCm39) M449L probably benign Het
Gad1 T C 2: 70,417,706 (GRCm39) F302L probably benign Het
Gm10800 A AC 2: 98,497,378 (GRCm39) probably null Het
Gm21886 GGGCCTGCAGACAGTAGGTGCTCACTAGGGCCTGTAAATAGTAGGTGCTCACTGAGGCCTGTAGACAGTAGGTGCTCA GGGCCTGTAGACAGTAGGTGCTCA 18: 80,132,697 (GRCm39) probably benign Het
Gnb3 C T 6: 124,813,887 (GRCm39) probably null Het
Gtf3c1 A T 7: 125,271,993 (GRCm39) M642K possibly damaging Het
Hps3 A T 3: 20,063,050 (GRCm39) W838R probably damaging Het
Ide A T 19: 37,273,343 (GRCm39) W527R Het
Ighe A T 12: 113,235,975 (GRCm39) I117N Het
Ighv1-50 T C 12: 115,083,396 (GRCm39) E108G probably benign Het
Ivl G A 3: 92,479,538 (GRCm39) P176S probably damaging Het
Lgi3 G A 14: 70,770,832 (GRCm39) R157H probably damaging Het
Lrp1b G T 2: 41,266,006 (GRCm39) C1053* probably null Het
Mcpt9 A T 14: 56,264,445 (GRCm39) S217T probably damaging Het
Mgat4c T G 10: 102,224,357 (GRCm39) N190K probably damaging Het
Mknk1 T A 4: 115,721,789 (GRCm39) V111D probably damaging Het
Mmp11 T C 10: 75,764,280 (GRCm39) T62A probably benign Het
Mmp1b C A 9: 7,385,014 (GRCm39) V212F probably damaging Het
Mmp7 A G 9: 7,697,587 (GRCm39) probably null Het
Muc5b C T 7: 141,417,704 (GRCm39) T3550M possibly damaging Het
Nbeal1 G C 1: 60,276,310 (GRCm39) V684L probably benign Het
Nphp3 A T 9: 103,882,036 (GRCm39) K169* probably null Het
Npy6r G T 18: 44,408,788 (GRCm39) V70F probably benign Het
Nsun2 T A 13: 69,774,672 (GRCm39) probably null Het
Oplah T A 15: 76,186,860 (GRCm39) I652F probably benign Het
Pcdh18 T C 3: 49,710,271 (GRCm39) N348S probably damaging Het
Pcdhb5 T A 18: 37,454,409 (GRCm39) V263D probably damaging Het
Pcdhga1 C A 18: 37,795,164 (GRCm39) T56N probably benign Het
Pdk4 A G 6: 5,491,068 (GRCm39) probably null Het
Pfkp C A 13: 6,652,817 (GRCm39) V434F probably benign Het
Phospho1 G A 11: 95,721,732 (GRCm39) R134H probably damaging Het
Polg2 G T 11: 106,663,572 (GRCm39) Q374K probably benign Het
Ptpra T C 2: 130,379,571 (GRCm39) probably null Het
Rassf3 C T 10: 121,252,052 (GRCm39) E120K probably benign Het
Reln A T 5: 22,311,095 (GRCm39) S273T probably damaging Het
Scarb1 C T 5: 125,361,089 (GRCm39) A133T probably benign Het
Scn3a T A 2: 65,313,486 (GRCm39) K1142N probably damaging Het
Sema3c G A 5: 17,899,701 (GRCm39) V398I probably benign Het
Serpine1 C A 5: 137,099,918 (GRCm39) Q80H probably damaging Het
Sh3gl1 G A 17: 56,324,646 (GRCm39) T334M probably damaging Het
Smg7 T C 1: 152,737,576 (GRCm39) N122D probably benign Het
Speer4b T C 5: 27,703,708 (GRCm39) I144V probably benign Het
Spire2 T A 8: 124,095,989 (GRCm39) D671E probably benign Het
Sspo A T 6: 48,478,029 (GRCm39) H5144L probably benign Het
Sstr2 A T 11: 113,516,179 (GRCm39) Q366L probably damaging Het
Ssu72 T C 4: 155,815,850 (GRCm39) F98S probably damaging Het
Syde2 C T 3: 145,712,870 (GRCm39) Q1003* probably null Het
Tapbp G A 17: 34,144,461 (GRCm39) A186T possibly damaging Het
Tcf12 T A 9: 71,790,385 (GRCm39) probably null Het
Tnfrsf22 A T 7: 143,194,556 (GRCm39) C124S probably damaging Het
Txlnb A T 10: 17,703,546 (GRCm39) T235S possibly damaging Het
Uaca T C 9: 60,777,695 (GRCm39) L694P probably damaging Het
Unc13a T A 8: 72,083,197 (GRCm39) N1620Y probably damaging Het
Vmn2r10 C T 5: 109,151,200 (GRCm39) C138Y probably damaging Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Vmn2r28 T A 7: 5,484,495 (GRCm39) E568D probably benign Het
Vmn2r57 A T 7: 41,097,895 (GRCm39) H57Q possibly damaging Het
Vwa5b1 A G 4: 138,308,923 (GRCm39) S756P probably benign Het
Washc5 C A 15: 59,224,350 (GRCm39) E470* probably null Het
Xpot A T 10: 121,442,678 (GRCm39) V508D probably damaging Het
Zfp616 A T 11: 73,976,087 (GRCm39) K785N possibly damaging Het
Zfp653 T C 9: 21,977,195 (GRCm39) N119D probably damaging Het
Zfp729b A G 13: 67,741,495 (GRCm39) S257P probably damaging Het
Zfp82 T A 7: 29,755,592 (GRCm39) T497S probably benign Het
Znrf4 T G 17: 56,819,305 (GRCm39) M1L probably benign Het
Other mutations in Lamb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01370:Lamb2 APN 9 108,364,932 (GRCm39) splice site probably null
IGL02072:Lamb2 APN 9 108,359,107 (GRCm39) nonsense probably null
IGL02079:Lamb2 APN 9 108,359,312 (GRCm39) missense probably damaging 1.00
IGL02087:Lamb2 APN 9 108,364,318 (GRCm39) missense possibly damaging 0.95
IGL02193:Lamb2 APN 9 108,366,559 (GRCm39) missense probably benign 0.00
IGL02199:Lamb2 APN 9 108,357,824 (GRCm39) missense possibly damaging 0.49
IGL02201:Lamb2 APN 9 108,364,741 (GRCm39) missense probably damaging 1.00
IGL02468:Lamb2 APN 9 108,364,348 (GRCm39) missense probably damaging 1.00
F6893:Lamb2 UTSW 9 108,359,755 (GRCm39) missense probably benign 0.12
R0053:Lamb2 UTSW 9 108,363,936 (GRCm39) nonsense probably null
R0053:Lamb2 UTSW 9 108,363,936 (GRCm39) nonsense probably null
R0122:Lamb2 UTSW 9 108,363,713 (GRCm39) missense probably benign 0.01
R0452:Lamb2 UTSW 9 108,363,553 (GRCm39) unclassified probably benign
R0524:Lamb2 UTSW 9 108,361,571 (GRCm39) missense possibly damaging 0.90
R0605:Lamb2 UTSW 9 108,363,304 (GRCm39) unclassified probably benign
R0737:Lamb2 UTSW 9 108,360,993 (GRCm39) missense probably benign 0.03
R1083:Lamb2 UTSW 9 108,360,892 (GRCm39) missense probably benign
R1159:Lamb2 UTSW 9 108,358,607 (GRCm39) missense probably damaging 1.00
R1283:Lamb2 UTSW 9 108,359,007 (GRCm39) missense possibly damaging 0.46
R1507:Lamb2 UTSW 9 108,367,581 (GRCm39) missense probably damaging 1.00
R1547:Lamb2 UTSW 9 108,359,824 (GRCm39) missense probably benign 0.00
R1576:Lamb2 UTSW 9 108,357,506 (GRCm39) missense probably damaging 0.96
R1647:Lamb2 UTSW 9 108,358,622 (GRCm39) critical splice donor site probably null
R1678:Lamb2 UTSW 9 108,360,885 (GRCm39) critical splice acceptor site probably null
R1740:Lamb2 UTSW 9 108,359,127 (GRCm39) missense probably damaging 1.00
R1803:Lamb2 UTSW 9 108,365,298 (GRCm39) missense probably benign
R1846:Lamb2 UTSW 9 108,364,586 (GRCm39) missense probably benign 0.00
R1863:Lamb2 UTSW 9 108,358,583 (GRCm39) missense probably benign 0.13
R2184:Lamb2 UTSW 9 108,357,752 (GRCm39) missense probably damaging 1.00
R2262:Lamb2 UTSW 9 108,357,809 (GRCm39) missense probably damaging 1.00
R2338:Lamb2 UTSW 9 108,359,340 (GRCm39) missense probably benign 0.20
R2483:Lamb2 UTSW 9 108,357,758 (GRCm39) missense probably damaging 1.00
R4084:Lamb2 UTSW 9 108,365,217 (GRCm39) missense probably benign 0.17
R4164:Lamb2 UTSW 9 108,367,497 (GRCm39) missense probably damaging 1.00
R4295:Lamb2 UTSW 9 108,363,410 (GRCm39) missense probably benign 0.42
R4422:Lamb2 UTSW 9 108,360,754 (GRCm39) missense probably damaging 0.99
R4497:Lamb2 UTSW 9 108,363,997 (GRCm39) missense probably damaging 1.00
R4880:Lamb2 UTSW 9 108,361,226 (GRCm39) splice site probably null
R4935:Lamb2 UTSW 9 108,364,700 (GRCm39) missense possibly damaging 0.93
R4977:Lamb2 UTSW 9 108,364,846 (GRCm39) missense probably damaging 0.99
R5152:Lamb2 UTSW 9 108,364,937 (GRCm39) missense probably benign
R5499:Lamb2 UTSW 9 108,365,001 (GRCm39) missense possibly damaging 0.50
R5724:Lamb2 UTSW 9 108,357,950 (GRCm39) splice site probably null
R5932:Lamb2 UTSW 9 108,357,810 (GRCm39) missense probably damaging 1.00
R5997:Lamb2 UTSW 9 108,357,587 (GRCm39) missense possibly damaging 0.65
R6052:Lamb2 UTSW 9 108,364,811 (GRCm39) nonsense probably null
R6142:Lamb2 UTSW 9 108,362,817 (GRCm39) nonsense probably null
R6245:Lamb2 UTSW 9 108,365,398 (GRCm39) splice site probably null
R6531:Lamb2 UTSW 9 108,360,925 (GRCm39) missense possibly damaging 0.78
R6557:Lamb2 UTSW 9 108,365,599 (GRCm39) missense probably damaging 1.00
R6562:Lamb2 UTSW 9 108,364,207 (GRCm39) missense possibly damaging 0.56
R6997:Lamb2 UTSW 9 108,358,496 (GRCm39) missense probably damaging 1.00
R7024:Lamb2 UTSW 9 108,366,687 (GRCm39) missense probably benign 0.00
R7116:Lamb2 UTSW 9 108,364,522 (GRCm39) missense probably damaging 1.00
R7261:Lamb2 UTSW 9 108,358,496 (GRCm39) missense probably damaging 1.00
R7288:Lamb2 UTSW 9 108,365,523 (GRCm39) missense probably benign 0.20
R7404:Lamb2 UTSW 9 108,364,782 (GRCm39) missense probably damaging 1.00
R7456:Lamb2 UTSW 9 108,362,979 (GRCm39) missense possibly damaging 0.95
R7472:Lamb2 UTSW 9 108,363,347 (GRCm39) missense probably benign 0.01
R7623:Lamb2 UTSW 9 108,366,423 (GRCm39) missense possibly damaging 0.62
R8125:Lamb2 UTSW 9 108,364,722 (GRCm39) missense probably benign
R8153:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8154:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8155:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8156:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8157:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8419:Lamb2 UTSW 9 108,365,563 (GRCm39) missense probably benign 0.00
R8695:Lamb2 UTSW 9 108,363,365 (GRCm39) missense probably benign 0.08
R8825:Lamb2 UTSW 9 108,362,460 (GRCm39) missense probably benign 0.01
R9005:Lamb2 UTSW 9 108,361,370 (GRCm39) critical splice donor site probably null
R9315:Lamb2 UTSW 9 108,364,366 (GRCm39) missense possibly damaging 0.77
R9398:Lamb2 UTSW 9 108,364,366 (GRCm39) missense possibly damaging 0.77
R9419:Lamb2 UTSW 9 108,356,959 (GRCm39) missense unknown
R9450:Lamb2 UTSW 9 108,357,760 (GRCm39) nonsense probably null
R9495:Lamb2 UTSW 9 108,358,006 (GRCm39) missense probably damaging 1.00
R9514:Lamb2 UTSW 9 108,358,006 (GRCm39) missense probably damaging 1.00
R9529:Lamb2 UTSW 9 108,363,477 (GRCm39) missense probably benign 0.05
R9532:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
R9534:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
R9734:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
Z1176:Lamb2 UTSW 9 108,360,100 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCTTGGCACAGGACATGGTG -3'
(R):5'- CTGAATGCGGTCATCCTTAGGC -3'

Sequencing Primer
(F):5'- GCACAGGACATGGTGTTTGG -3'
(R):5'- GTCATCCTTAGGCAGCACATG -3'
Posted On 2019-05-15