Incidental Mutation 'R0605:Lamb2'
ID 55658
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 038794-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R0605 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation unclassified
DNA Base Change (assembly) T to C at 108363304 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000141738 (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
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911

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: ENSMUST00000193301
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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000194421
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.6%
  • 20x: 95.4%
Validation Efficiency 100% (85/85)
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), 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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933406P04Rik G A 10: 20,186,973 (GRCm39) probably benign Het
Adam28 A T 14: 68,844,049 (GRCm39) probably benign Het
Adamts3 A G 5: 90,009,334 (GRCm39) W110R possibly damaging Het
Add1 T C 5: 34,771,568 (GRCm39) V342A possibly damaging Het
Aff3 A G 1: 38,249,068 (GRCm39) S680P probably damaging Het
Ak9 T C 10: 41,221,135 (GRCm39) Y322H probably damaging Het
Als2 A G 1: 59,207,573 (GRCm39) L1528S probably benign Het
Ass1 A T 2: 31,404,831 (GRCm39) N371Y probably damaging Het
Atp6v1a A C 16: 43,931,859 (GRCm39) probably null Het
Bpi T C 2: 158,103,314 (GRCm39) L103P probably damaging Het
Cd80 G A 16: 38,303,056 (GRCm39) V168I probably benign Het
Cfh T C 1: 140,030,096 (GRCm39) S926G probably damaging Het
Chrd A T 16: 20,554,189 (GRCm39) T304S probably damaging Het
Chsy3 A G 18: 59,542,125 (GRCm39) Y421C probably damaging Het
Cmbl T G 15: 31,585,455 (GRCm39) V101G probably damaging Het
Colgalt2 T A 1: 152,371,543 (GRCm39) probably benign Het
Coq4 C T 2: 29,680,010 (GRCm39) Q101* probably null Het
Cr2 T C 1: 194,845,904 (GRCm39) probably benign Het
Cry1 T C 10: 85,020,223 (GRCm39) D38G probably damaging Het
Dmxl2 T C 9: 54,327,229 (GRCm39) D758G probably benign Het
Epsti1 C T 14: 78,164,677 (GRCm39) probably benign Het
Fam24b T C 7: 130,928,915 (GRCm39) probably benign Het
Fem1c G A 18: 46,638,227 (GRCm39) R592C probably benign Het
Foxred1 T C 9: 35,116,178 (GRCm39) Y490C possibly damaging Het
Gm9875 A G 2: 13,562,699 (GRCm39) K9R unknown Het
Grid2ip T C 5: 143,365,117 (GRCm39) S322P probably damaging Het
Gucy1b2 A G 14: 62,640,608 (GRCm39) probably benign Het
Hmcn1 A T 1: 150,533,127 (GRCm39) probably null Het
Hpdl C T 4: 116,677,984 (GRCm39) S159N possibly damaging Het
Hsd17b12 A T 2: 93,863,987 (GRCm39) M285K probably benign Het
Icam5 T C 9: 20,943,493 (GRCm39) I23T probably benign Het
Kat5 A G 19: 5,658,364 (GRCm39) probably benign Het
Lama3 A G 18: 12,640,006 (GRCm39) N67S probably benign Het
Lgals3bp A G 11: 118,284,220 (GRCm39) F453S probably damaging Het
Lypd4 A G 7: 24,564,800 (GRCm39) Y113H probably damaging Het
Mdm1 C T 10: 117,982,506 (GRCm39) T47M probably damaging Het
Mei1 C A 15: 81,954,351 (GRCm39) T52K probably benign Het
Meiob G A 17: 25,037,236 (GRCm39) probably benign Het
Ndufaf6 A G 4: 11,051,224 (GRCm39) V292A probably damaging Het
Neb T A 2: 52,154,038 (GRCm39) M2358L possibly damaging Het
Nlrp1b A G 11: 71,047,005 (GRCm39) S1119P possibly damaging Het
Nsmaf A G 4: 6,418,470 (GRCm39) probably null Het
Ogfod1 T C 8: 94,773,895 (GRCm39) probably benign Het
Or5ae2 T C 7: 84,506,345 (GRCm39) I256T probably damaging Het
Or8h7 T C 2: 86,720,763 (GRCm39) Y252C possibly damaging Het
Or9s14 G T 1: 92,535,618 (GRCm39) V20L probably benign Het
Osbpl1a T A 18: 13,015,336 (GRCm39) probably null Het
Otud7b T A 3: 96,052,270 (GRCm39) probably benign Het
P3h3 T A 6: 124,832,998 (GRCm39) H185L probably damaging Het
P4htm G A 9: 108,460,923 (GRCm39) A183V probably null Het
Peak1 C T 9: 56,134,382 (GRCm39) probably benign Het
Phf20l1 A G 15: 66,466,971 (GRCm39) K88R probably damaging Het
Phlpp2 A G 8: 110,659,843 (GRCm39) N721S probably benign Het
Plagl2 T C 2: 153,077,864 (GRCm39) K39R probably benign Het
Plppr1 A T 4: 49,323,466 (GRCm39) N252I probably damaging Het
Pom121l2 C T 13: 22,166,206 (GRCm39) A159V probably damaging Het
Prom2 C A 2: 127,381,915 (GRCm39) probably null Het
Prrc2c T C 1: 162,509,995 (GRCm39) T1017A probably damaging Het
Rimbp3 G T 16: 17,029,563 (GRCm39) A996S probably damaging Het
Rnf213 A G 11: 119,322,543 (GRCm39) T1387A probably benign Het
Scaper A T 9: 55,722,802 (GRCm39) probably benign Het
Scara5 A G 14: 65,997,097 (GRCm39) E403G possibly damaging Het
Scrib T C 15: 75,939,402 (GRCm39) I94V possibly damaging Het
Shank3 T C 15: 89,408,350 (GRCm39) F67L possibly damaging Het
Shprh T C 10: 11,082,856 (GRCm39) F1562L probably damaging Het
Src C T 2: 157,311,841 (GRCm39) T529M probably damaging Het
Sycp2l T A 13: 41,296,942 (GRCm39) M341K probably benign Het
Syde1 T C 10: 78,424,929 (GRCm39) probably benign Het
Tars3 A T 7: 65,327,819 (GRCm39) R509S probably damaging Het
Tle6 T A 10: 81,430,180 (GRCm39) H324L probably damaging Het
Tnfaip8 ACTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTC ACTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTCTC 18: 50,179,912 (GRCm39) probably benign Het
Tnfrsf14 T A 4: 155,009,837 (GRCm39) K115* probably null Het
Trappc10 T C 10: 78,037,331 (GRCm39) N824S possibly damaging Het
Tsc1 C T 2: 28,561,790 (GRCm39) S309F probably damaging Het
Ttc21a A G 9: 119,790,908 (GRCm39) I885V possibly damaging Het
Ttn C T 2: 76,570,797 (GRCm39) A26699T probably damaging Het
Ttn T C 2: 76,778,715 (GRCm39) Y1262C unknown Het
Usp49 T C 17: 47,985,851 (GRCm39) probably null Het
Vmn1r226 A T 17: 20,908,133 (GRCm39) T122S probably benign Het
Vps8 A T 16: 21,378,087 (GRCm39) T1033S probably benign Het
Vwf C A 6: 125,662,800 (GRCm39) T2728K probably benign Het
Wdr5b T C 16: 35,862,366 (GRCm39) S162P probably benign Het
Xrn1 C T 9: 95,908,930 (GRCm39) Q1235* probably null Het
Zfp1005 A G 2: 150,110,523 (GRCm39) I404M unknown 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
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
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'- TGCAAACCTGGAGTGGTTGGAC -3'
(R):5'- TAGGCTCACCTTTCACAGTGCTCG -3'

Sequencing Primer
(F):5'- ATGTCTGTGCTACTGGCTAC -3'
(R):5'- TGTGTGGGTATCACACTCATC -3'
Posted On 2013-07-11