Incidental Mutation 'R5152:Lamb2'
ID 395456
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 042734-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R5152 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 108364937 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Arginine at position 1230 (S1230R)
Ref Sequence ENSEMBL: ENSMUSP00000069087 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000006854] [ENSMUST00000065014] [ENSMUST00000085044] [ENSMUST00000166103] [ENSMUST00000178075] [ENSMUST00000193678]
AlphaFold Q61292
Predicted Effect probably benign
Transcript: ENSMUST00000006854
SMART Domains Protein: ENSMUSP00000006854
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 1.3e-6 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 414 7.1e-19 PFAM
Pfam:USP19_linker 415 537 2.2e-61 PFAM
Pfam:UCH 538 1253 1.2e-77 PFAM
Pfam:UCH_1 539 874 8.6e-11 PFAM
Pfam:zf-MYND 833 875 9.9e-11 PFAM
Pfam:UCH_1 1021 1235 7.1e-10 PFAM
low complexity region 1278 1287 N/A INTRINSIC
low complexity region 1301 1312 N/A INTRINSIC
transmembrane domain 1333 1355 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000065014
AA Change: S1230R

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911
AA Change: S1230R

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: ENSMUST00000085044
SMART Domains Protein: ENSMUSP00000082119
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 4.7e-7 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 414 2.5e-15 PFAM
low complexity region 449 460 N/A INTRINSIC
low complexity region 524 530 N/A INTRINSIC
Pfam:UCH 538 1253 7.4e-84 PFAM
Pfam:UCH_1 539 879 2.3e-13 PFAM
Pfam:zf-MYND 833 875 2.4e-10 PFAM
Pfam:UCH_1 1020 1235 2.9e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000166103
SMART Domains Protein: ENSMUSP00000128573
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 2.6e-7 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 390 3.9e-9 PFAM
low complexity region 425 436 N/A INTRINSIC
low complexity region 500 506 N/A INTRINSIC
Pfam:UCH 514 1229 1.8e-84 PFAM
Pfam:UCH_1 515 855 5.5e-14 PFAM
Pfam:zf-MYND 809 851 1.7e-10 PFAM
Pfam:UCH_1 996 1211 6.9e-12 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000178075
SMART Domains Protein: ENSMUSP00000135930
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 1e-6 PFAM
low complexity region 258 269 N/A INTRINSIC
Pfam:CS 327 415 5.4e-15 PFAM
low complexity region 450 461 N/A INTRINSIC
low complexity region 525 531 N/A INTRINSIC
Pfam:UCH 539 1254 4.9e-84 PFAM
Pfam:UCH_1 540 880 1.4e-13 PFAM
Pfam:zf-MYND 834 876 5.2e-10 PFAM
Pfam:UCH_1 1021 1236 1.8e-11 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000192854
Predicted Effect noncoding transcript
Transcript: ENSMUST00000193301
Predicted Effect noncoding transcript
Transcript: ENSMUST00000194421
Predicted Effect probably benign
Transcript: ENSMUST00000193678
SMART Domains Protein: ENSMUSP00000141738
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 6.8e-7 PFAM
low complexity region 258 269 N/A INTRINSIC
Pfam:CS 327 415 3.6e-15 PFAM
low complexity region 448 459 N/A INTRINSIC
low complexity region 523 529 N/A INTRINSIC
Pfam:UCH 537 1252 3.8e-84 PFAM
Pfam:UCH_1 538 878 1.1e-13 PFAM
Pfam:zf-MYND 832 874 5.1e-10 PFAM
Pfam:UCH_1 1019 1234 1.4e-11 PFAM
Meta Mutation Damage Score 0.0732 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.0%
  • 20x: 94.4%
Validation Efficiency 99% (83/84)
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca16 T C 7: 120,139,846 (GRCm39) S1503P probably benign Het
Actn3 C A 19: 4,913,572 (GRCm39) V620F probably damaging Het
Adamtsl3 A G 7: 82,223,752 (GRCm39) K252E probably benign Het
Adgrg1 A G 8: 95,736,373 (GRCm39) Y509C probably damaging Het
Arhgef2 G A 3: 88,536,875 (GRCm39) probably null Het
Bod1l T C 5: 41,973,886 (GRCm39) E2476G probably benign Het
Capn3 T C 2: 120,331,811 (GRCm39) probably benign Het
Catsperz T C 19: 6,900,705 (GRCm39) T147A probably benign Het
Cc2d1b C A 4: 108,483,283 (GRCm39) A289E probably benign Het
Ccdc170 A C 10: 4,511,107 (GRCm39) H722P probably damaging Het
Cdk13 C A 13: 17,893,110 (GRCm39) A1358S probably benign Het
Cntn6 T A 6: 104,546,074 (GRCm39) probably benign Het
Coch A G 12: 51,642,225 (GRCm39) N66D probably benign Het
Col12a1 A G 9: 79,564,030 (GRCm39) S1732P probably damaging Het
Copa T A 1: 171,945,628 (GRCm39) V917E probably benign Het
Csmd2 C A 4: 128,445,828 (GRCm39) N3299K probably benign Het
Cyp2c67 A T 19: 39,627,132 (GRCm39) F233I probably benign Het
D630039A03Rik T A 4: 57,910,434 (GRCm39) H126L probably damaging Het
Ddx46 T C 13: 55,806,843 (GRCm39) L492P probably damaging Het
Dpysl3 C T 18: 43,571,145 (GRCm39) G43D probably benign Het
Enpp5 C T 17: 44,392,024 (GRCm39) P151L probably damaging Het
Exoc3l4 T C 12: 111,397,327 (GRCm39) probably benign Het
Faap100 T A 11: 120,268,458 (GRCm39) E105V possibly damaging Het
Flg2 C A 3: 93,122,284 (GRCm39) P1485T unknown Het
Fmo5 A G 3: 97,549,078 (GRCm39) Y242C probably benign Het
Fsip2 C A 2: 82,808,916 (GRCm39) T1745N probably benign Het
Gata4 T A 14: 63,478,570 (GRCm39) N10Y probably damaging Het
Gm10722 A C 9: 3,001,041 (GRCm39) Y39S probably benign Het
Gm4787 A C 12: 81,425,451 (GRCm39) S236A probably benign Het
Golga7 A C 8: 23,735,965 (GRCm39) S94A probably benign Het
Gpbp1 A G 13: 111,589,815 (GRCm39) probably benign Het
Grm1 A G 10: 10,955,619 (GRCm39) Y222H probably benign Het
Gstcd A G 3: 132,790,717 (GRCm39) Y17H possibly damaging Het
Hephl1 C A 9: 14,991,481 (GRCm39) D586Y probably damaging Het
Hpn C A 7: 30,799,261 (GRCm39) V35L probably damaging Het
Il23r T A 6: 67,400,725 (GRCm39) N535I probably damaging Het
Inpp4a T C 1: 37,397,616 (GRCm39) I45T possibly damaging Het
Itgae G C 11: 73,021,821 (GRCm39) G901R probably damaging Het
Kif28 T C 1: 179,530,103 (GRCm39) D686G probably damaging Het
Kit A G 5: 75,781,507 (GRCm39) E312G probably benign Het
Lars1 A T 18: 42,361,842 (GRCm39) D588E possibly damaging Het
Lgr4 T A 2: 109,830,948 (GRCm39) F292I probably damaging Het
Lmf1 C T 17: 25,874,493 (GRCm39) S458L probably damaging Het
Lpin2 T A 17: 71,552,154 (GRCm39) C787S probably damaging Het
Ms4a4a A C 19: 11,365,676 (GRCm39) I138L probably benign Het
Mterf1a A T 5: 3,940,984 (GRCm39) F295I probably damaging Het
Muc4 A T 16: 32,577,432 (GRCm39) K241* probably null Het
Muc5b T C 7: 141,419,268 (GRCm39) F4017S possibly damaging Het
Nfkbil1 T C 17: 35,440,384 (GRCm39) probably benign Het
Or10d5j T C 9: 39,868,202 (GRCm39) T22A probably benign Het
Or4x6 A G 2: 89,949,465 (GRCm39) L159P probably damaging Het
Or8g21 A T 9: 38,906,473 (GRCm39) V86E possibly damaging Het
Osgep T C 14: 51,155,315 (GRCm39) D81G probably damaging Het
Otos A G 1: 92,572,116 (GRCm39) F70S probably damaging Het
Pcdhb2 T A 18: 37,429,179 (GRCm39) V384D probably damaging Het
Ppp1r10 C T 17: 36,240,144 (GRCm39) P514S probably damaging Het
Pramel14 G A 4: 143,720,830 (GRCm39) P37L probably damaging Het
Prdm16 A G 4: 154,430,559 (GRCm39) Y309H probably damaging Het
Rap1gds1 A T 3: 138,661,962 (GRCm39) D382E probably damaging Het
Reln A G 5: 22,153,627 (GRCm39) F2226L probably damaging Het
Rmi2 C T 16: 10,657,765 (GRCm39) T125M probably damaging Het
Setd1a C T 7: 127,383,197 (GRCm39) T231I probably benign Het
Sftpa1 G A 14: 40,856,309 (GRCm39) G218D probably damaging Het
Shcbp1 A T 8: 4,786,138 (GRCm39) F655I probably damaging Het
Slc5a7 T C 17: 54,585,861 (GRCm39) I319V possibly damaging Het
Sp140l2 G A 1: 85,239,581 (GRCm39) P19S probably benign Het
Spata31d1c C T 13: 65,183,409 (GRCm39) T317I probably damaging Het
Speg C T 1: 75,404,742 (GRCm39) P2845S possibly damaging Het
Synpo2 A G 3: 123,029,550 (GRCm39) probably null Het
Tdpoz9 T C 3: 93,957,451 (GRCm39) probably benign Het
Tdrd7 T A 4: 46,013,191 (GRCm39) S644T probably damaging Het
Tmem182 T A 1: 40,877,460 (GRCm39) Y112N probably damaging Het
Usp45 T A 4: 21,824,815 (GRCm39) N522K probably benign Het
Vnn3 A T 10: 23,740,237 (GRCm39) Y180F probably benign Het
Wnk1 C T 6: 119,979,241 (GRCm39) R282Q possibly damaging Het
Xrn1 A T 9: 95,846,118 (GRCm39) D57V probably benign Het
Zfp831 T C 2: 174,486,357 (GRCm39) V344A 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
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
R7146:Lamb2 UTSW 9 108,361,283 (GRCm39) missense possibly damaging 0.94
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'- CTCAGTGTCATCGTTCCACAGG -3'
(R):5'- AAGCCTCAGTCCAGATCTCTCG -3'

Sequencing Primer
(F):5'- AGGCCACTGTAGCTGCC -3'
(R):5'- AGATCTCTCGGGCCTTTGC -3'
Posted On 2016-06-21