Incidental Mutation 'R0456:Lamb1'
ID 40040
Institutional Source Beutler Lab
Gene Symbol Lamb1
Ensembl Gene ENSMUSG00000002900
Gene Name laminin B1
Synonyms Lamb-1, D130003D08Rik, C80098, C81607, Lamb1-1
MMRRC Submission 038656-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0456 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 31315233-31379643 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 31354729 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Tyrosine at position 992 (C992Y)
Ref Sequence ENSEMBL: ENSMUSP00000002979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002979] [ENSMUST00000169088]
AlphaFold P02469
Predicted Effect probably damaging
Transcript: ENSMUST00000002979
AA Change: C992Y

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000002979
Gene: ENSMUSG00000002900
AA Change: C992Y

DomainStartEndE-ValueType
low complexity region 32 45 N/A INTRINSIC
LamNT 77 317 3.24e-96 SMART
EGF_Lam 319 380 1.34e-6 SMART
EGF_Lam 383 443 1.33e-10 SMART
EGF_Lam 446 503 2.89e-11 SMART
EGF_Lam 506 555 2.89e-11 SMART
EGF_Lam 558 602 3.4e-8 SMART
EGF_Lam 821 866 4.99e-15 SMART
EGF_Lam 869 912 2.38e-12 SMART
EGF_Lam 915 962 2.4e-8 SMART
EGF_Lam 965 1021 1.41e-5 SMART
EGF_Lam 1024 1073 4.81e-8 SMART
EGF_Lam 1076 1129 3.81e-11 SMART
EGF_Lam 1132 1177 5.61e-9 SMART
EGF_Lam 1180 1224 2.89e-11 SMART
coiled coil region 1329 1360 N/A INTRINSIC
low complexity region 1468 1480 N/A INTRINSIC
coiled coil region 1497 1551 N/A INTRINSIC
coiled coil region 1600 1826 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000169088
AA Change: C944Y

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000132778
Gene: ENSMUSG00000002900
AA Change: C944Y

DomainStartEndE-ValueType
LamNT 29 269 3.24e-96 SMART
EGF_Lam 271 332 1.34e-6 SMART
EGF_Lam 335 395 1.33e-10 SMART
EGF_Lam 398 455 2.89e-11 SMART
EGF_Lam 458 507 2.89e-11 SMART
EGF_Lam 510 554 3.4e-8 SMART
EGF_Lam 773 818 4.99e-15 SMART
EGF_Lam 821 864 2.38e-12 SMART
EGF_Lam 867 914 2.4e-8 SMART
EGF_Lam 917 973 1.41e-5 SMART
EGF_Lam 976 1025 4.81e-8 SMART
EGF_Lam 1028 1081 3.81e-11 SMART
EGF_Lam 1084 1129 5.61e-9 SMART
EGF_Lam 1132 1176 2.89e-11 SMART
coiled coil region 1281 1312 N/A INTRINSIC
low complexity region 1420 1432 N/A INTRINSIC
coiled coil region 1449 1503 N/A INTRINSIC
coiled coil region 1552 1778 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 95.1%
Validation Efficiency
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 are composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively) and they 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 1. The beta 1 chain has 7 structurally distinct domains which it shares with other beta chain isomers. The C-terminal helical region containing domains I and II are separated by domain alpha, domains III and V contain several EGF-like repeats, and domains IV and VI have a globular conformation. Laminin, beta 1 is expressed in most tissues that produce basement membranes, and is one of the 3 chains constituting laminin 1, the first laminin isolated from Engelbreth-Holm-Swarm (EHS) tumor. A sequence in the beta 1 chain that is involved in cell attachment, chemotaxis, and binding to the laminin receptor was identified and shown to have the capacity to inhibit metastasis. [provided by RefSeq, Aug 2011]
PHENOTYPE: Embryos homozygous for a gene trapped allele lack basement membranes and fail to survive past E5.5. Mice heterozygous for a spontaneous mutation exhibit dystonis with impaired neuron firing. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankrd29 G A 18: 12,429,036 (GRCm39) P11L probably damaging Het
Antxr1 A C 6: 87,194,257 (GRCm39) V347G probably damaging Het
Atp13a5 T C 16: 29,051,492 (GRCm39) N1127D probably benign Het
Bivm T A 1: 44,165,969 (GRCm39) W140R probably damaging Het
Camta1 C A 4: 151,159,597 (GRCm39) R1614L probably damaging Het
Ceacam5 T C 7: 17,494,776 (GRCm39) V928A possibly damaging Het
Chia1 T C 3: 106,035,795 (GRCm39) Y152H probably damaging Het
Chsy3 A T 18: 59,309,550 (GRCm39) I268F probably damaging Het
CK137956 A T 4: 127,839,100 (GRCm39) N439K probably damaging Het
Csf3r C A 4: 125,929,654 (GRCm39) N392K probably damaging Het
Cyp1b1 T C 17: 80,017,704 (GRCm39) I484V probably benign Het
Dsc1 T C 18: 20,232,169 (GRCm39) K280E probably damaging Het
Eefsec A G 6: 88,274,870 (GRCm39) Y365H probably benign Het
Epb41l4b C T 4: 57,142,843 (GRCm39) probably null Het
Erap1 G A 13: 74,812,339 (GRCm39) V385I probably benign Het
Fat1 A T 8: 45,482,571 (GRCm39) I3077F probably damaging Het
Fras1 T G 5: 96,862,202 (GRCm39) probably null Het
Fras1 G T 5: 96,702,647 (GRCm39) G230C probably damaging Het
Gsg1l A G 7: 125,522,682 (GRCm39) M182T possibly damaging Het
Gzmg A G 14: 56,395,779 (GRCm39) V60A probably damaging Het
H4c6 T C 13: 23,735,561 (GRCm39) D86G probably damaging Het
Hapln4 A T 8: 70,537,645 (GRCm39) Y113F probably benign Het
Ikzf4 T A 10: 128,471,677 (GRCm39) T274S probably damaging Het
Kansl1l T A 1: 66,774,885 (GRCm39) H302L probably damaging Het
Klhl41 T C 2: 69,500,893 (GRCm39) V118A probably damaging Het
Kpna1 T C 16: 35,823,270 (GRCm39) S41P possibly damaging Het
Krt23 A G 11: 99,377,604 (GRCm39) V134A probably benign Het
Lrif1 C T 3: 106,639,094 (GRCm39) P35S probably benign Het
Lrrc4 A G 6: 28,831,103 (GRCm39) S171P probably damaging Het
Lvrn G A 18: 46,997,883 (GRCm39) probably null Het
Matr3 T A 18: 35,705,917 (GRCm39) F281I probably damaging Het
Meak7 A T 8: 120,495,162 (GRCm39) F199I probably damaging Het
Nxn G A 11: 76,153,963 (GRCm39) Q291* probably null Het
Or5b113 A G 19: 13,342,102 (GRCm39) T37A probably damaging Het
Pdp2 G T 8: 105,320,421 (GRCm39) R90L probably damaging Het
Ppp1r3c C A 19: 36,711,291 (GRCm39) E160* probably null Het
Ppp2r5c T G 12: 110,489,013 (GRCm39) S118R probably damaging Het
Ptpn23 G T 9: 110,218,861 (GRCm39) probably null Het
Ptpro G T 6: 137,391,228 (GRCm39) V783L probably benign Het
Rab40c A G 17: 26,103,631 (GRCm39) V144A possibly damaging Het
Rasal2 T C 1: 156,977,413 (GRCm39) N1087S probably damaging Het
Rfc3 T A 5: 151,570,988 (GRCm39) S103C possibly damaging Het
Rgl2 A G 17: 34,155,823 (GRCm39) probably null Het
Rif1 GCCACCA GCCA 2: 52,000,336 (GRCm39) probably benign Het
Rit2 A T 18: 31,108,504 (GRCm39) F160L probably benign Het
Rnh1 A G 7: 140,742,461 (GRCm39) S366P possibly damaging Het
Sdk2 T C 11: 113,682,292 (GRCm39) Y2029C possibly damaging Het
Smpd3 T A 8: 106,986,288 (GRCm39) I505F probably benign Het
Sorcs3 A T 19: 48,642,483 (GRCm39) S379C possibly damaging Het
Sult1e1 A G 5: 87,726,493 (GRCm39) L207P possibly damaging Het
Sycp2 C G 2: 178,023,648 (GRCm39) S456T probably benign Het
Syne1 T C 10: 5,292,252 (GRCm39) T1339A probably benign Het
Tas2r117 A G 6: 132,780,354 (GRCm39) N164S probably benign Het
Tigd3 A G 19: 5,942,821 (GRCm39) L103P probably damaging Het
Tmem132b T C 5: 125,864,788 (GRCm39) S965P probably damaging Het
Tmem82 T C 4: 141,344,701 (GRCm39) T81A probably benign Het
Tmem8b A G 4: 43,685,618 (GRCm39) T156A probably benign Het
Tnfrsf21 A G 17: 43,348,982 (GRCm39) E198G probably benign Het
Tnpo2 A G 8: 85,781,045 (GRCm39) N767S probably damaging Het
Trf T C 9: 103,104,102 (GRCm39) Y87C probably damaging Het
Tst A G 15: 78,289,780 (GRCm39) V85A probably damaging Het
Usp37 A T 1: 74,507,507 (GRCm39) N503K probably damaging Het
Utp20 C T 10: 88,590,435 (GRCm39) M2346I possibly damaging Het
Vax2 A G 6: 83,688,388 (GRCm39) D37G probably benign Het
Vmn1r77 T A 7: 11,775,665 (GRCm39) L79* probably null Het
Zbtb3 A T 19: 8,780,564 (GRCm39) D59V probably damaging Het
Zdhhc13 T C 7: 48,458,602 (GRCm39) F182S probably benign Het
Zfp426 A G 9: 20,381,593 (GRCm39) F465L probably damaging Het
Zfp526 A G 7: 24,925,637 (GRCm39) E632G probably damaging Het
Other mutations in Lamb1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00932:Lamb1 APN 12 31,348,825 (GRCm39) missense possibly damaging 0.74
IGL00939:Lamb1 APN 12 31,352,926 (GRCm39) missense probably damaging 1.00
IGL01017:Lamb1 APN 12 31,351,063 (GRCm39) missense possibly damaging 0.89
IGL01384:Lamb1 APN 12 31,370,930 (GRCm39) missense probably benign 0.09
IGL01470:Lamb1 APN 12 31,350,261 (GRCm39) missense possibly damaging 0.55
IGL01554:Lamb1 APN 12 31,356,976 (GRCm39) missense probably damaging 1.00
IGL02207:Lamb1 APN 12 31,379,434 (GRCm39) missense probably damaging 1.00
IGL02271:Lamb1 APN 12 31,350,250 (GRCm39) missense probably damaging 1.00
IGL02272:Lamb1 APN 12 31,355,768 (GRCm39) missense probably benign 0.00
IGL02365:Lamb1 APN 12 31,368,344 (GRCm39) missense probably damaging 1.00
IGL02471:Lamb1 APN 12 31,370,907 (GRCm39) missense probably damaging 1.00
IGL02704:Lamb1 APN 12 31,368,466 (GRCm39) missense probably benign 0.05
IGL03132:Lamb1 APN 12 31,350,333 (GRCm39) splice site probably null
IGL03161:Lamb1 APN 12 31,376,255 (GRCm39) missense probably benign 0.41
IGL03169:Lamb1 APN 12 31,373,645 (GRCm39) missense probably damaging 1.00
Crush UTSW 12 31,337,423 (GRCm39) missense probably damaging 1.00
Deflationary UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
E0374:Lamb1 UTSW 12 31,337,929 (GRCm39) missense probably damaging 1.00
P0043:Lamb1 UTSW 12 31,328,620 (GRCm39) missense probably damaging 1.00
R0031:Lamb1 UTSW 12 31,351,155 (GRCm39) missense probably benign 0.04
R0047:Lamb1 UTSW 12 31,328,600 (GRCm39) missense possibly damaging 0.51
R0047:Lamb1 UTSW 12 31,328,600 (GRCm39) missense possibly damaging 0.51
R0285:Lamb1 UTSW 12 31,376,644 (GRCm39) nonsense probably null
R0477:Lamb1 UTSW 12 31,376,268 (GRCm39) missense possibly damaging 0.47
R0480:Lamb1 UTSW 12 31,332,720 (GRCm39) missense possibly damaging 0.79
R0544:Lamb1 UTSW 12 31,332,694 (GRCm39) missense probably damaging 1.00
R0565:Lamb1 UTSW 12 31,348,914 (GRCm39) missense probably benign 0.02
R1500:Lamb1 UTSW 12 31,348,948 (GRCm39) missense possibly damaging 0.82
R1624:Lamb1 UTSW 12 31,328,651 (GRCm39) critical splice donor site probably null
R1772:Lamb1 UTSW 12 31,328,524 (GRCm39) missense probably damaging 1.00
R1836:Lamb1 UTSW 12 31,351,093 (GRCm39) missense probably benign 0.00
R1853:Lamb1 UTSW 12 31,368,271 (GRCm39) missense probably damaging 1.00
R1854:Lamb1 UTSW 12 31,368,271 (GRCm39) missense probably damaging 1.00
R1903:Lamb1 UTSW 12 31,379,209 (GRCm39) missense probably damaging 1.00
R2091:Lamb1 UTSW 12 31,337,428 (GRCm39) missense probably damaging 0.98
R2186:Lamb1 UTSW 12 31,368,466 (GRCm39) nonsense probably null
R2268:Lamb1 UTSW 12 31,377,644 (GRCm39) missense probably damaging 1.00
R2567:Lamb1 UTSW 12 31,319,054 (GRCm39) critical splice acceptor site probably null
R2698:Lamb1 UTSW 12 31,348,882 (GRCm39) missense probably benign 0.10
R3121:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3405:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3406:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3608:Lamb1 UTSW 12 31,337,909 (GRCm39) missense probably damaging 1.00
R3725:Lamb1 UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
R3726:Lamb1 UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
R3949:Lamb1 UTSW 12 31,332,648 (GRCm39) missense probably damaging 1.00
R4308:Lamb1 UTSW 12 31,379,254 (GRCm39) missense probably damaging 1.00
R4600:Lamb1 UTSW 12 31,373,528 (GRCm39) missense probably benign 0.00
R4604:Lamb1 UTSW 12 31,328,775 (GRCm39) missense probably damaging 1.00
R4701:Lamb1 UTSW 12 31,316,847 (GRCm39) nonsense probably null
R4710:Lamb1 UTSW 12 31,332,582 (GRCm39) missense probably benign 0.02
R4767:Lamb1 UTSW 12 31,358,010 (GRCm39) missense probably damaging 1.00
R4809:Lamb1 UTSW 12 31,328,525 (GRCm39) missense probably damaging 1.00
R4828:Lamb1 UTSW 12 31,348,929 (GRCm39) missense probably benign
R4842:Lamb1 UTSW 12 31,337,432 (GRCm39) missense probably damaging 1.00
R4864:Lamb1 UTSW 12 31,371,005 (GRCm39) missense probably benign 0.01
R4909:Lamb1 UTSW 12 31,338,280 (GRCm39) missense probably damaging 1.00
R4989:Lamb1 UTSW 12 31,376,677 (GRCm39) missense probably damaging 1.00
R5444:Lamb1 UTSW 12 31,348,908 (GRCm39) missense possibly damaging 0.47
R5736:Lamb1 UTSW 12 31,352,664 (GRCm39) nonsense probably null
R5766:Lamb1 UTSW 12 31,349,930 (GRCm39) missense probably damaging 1.00
R5825:Lamb1 UTSW 12 31,368,613 (GRCm39) missense probably benign
R5840:Lamb1 UTSW 12 31,316,755 (GRCm39) missense probably damaging 1.00
R5867:Lamb1 UTSW 12 31,348,954 (GRCm39) missense possibly damaging 0.82
R5887:Lamb1 UTSW 12 31,316,863 (GRCm39) nonsense probably null
R5984:Lamb1 UTSW 12 31,377,773 (GRCm39) missense possibly damaging 0.76
R6313:Lamb1 UTSW 12 31,319,146 (GRCm39) missense probably damaging 1.00
R6359:Lamb1 UTSW 12 31,332,715 (GRCm39) missense probably damaging 0.97
R6505:Lamb1 UTSW 12 31,373,461 (GRCm39) missense possibly damaging 0.63
R7127:Lamb1 UTSW 12 31,374,314 (GRCm39) missense probably damaging 1.00
R7202:Lamb1 UTSW 12 31,374,314 (GRCm39) missense probably damaging 1.00
R7271:Lamb1 UTSW 12 31,337,423 (GRCm39) missense probably damaging 1.00
R7290:Lamb1 UTSW 12 31,315,595 (GRCm39) missense probably benign 0.04
R7486:Lamb1 UTSW 12 31,337,441 (GRCm39) missense probably benign 0.00
R7496:Lamb1 UTSW 12 31,350,020 (GRCm39) missense probably benign 0.31
R7591:Lamb1 UTSW 12 31,376,647 (GRCm39) missense probably damaging 1.00
R7722:Lamb1 UTSW 12 31,373,570 (GRCm39) missense probably damaging 0.99
R7985:Lamb1 UTSW 12 31,350,214 (GRCm39) missense possibly damaging 0.93
R8058:Lamb1 UTSW 12 31,353,046 (GRCm39) missense probably benign 0.16
R8353:Lamb1 UTSW 12 31,356,998 (GRCm39) missense probably damaging 1.00
R8506:Lamb1 UTSW 12 31,379,360 (GRCm39) missense probably damaging 1.00
R8846:Lamb1 UTSW 12 31,379,388 (GRCm39) missense possibly damaging 0.75
R8888:Lamb1 UTSW 12 31,352,953 (GRCm39) missense possibly damaging 0.95
R8895:Lamb1 UTSW 12 31,352,953 (GRCm39) missense possibly damaging 0.95
R9312:Lamb1 UTSW 12 31,368,352 (GRCm39) missense probably damaging 1.00
R9340:Lamb1 UTSW 12 31,374,224 (GRCm39) missense probably benign
R9340:Lamb1 UTSW 12 31,374,223 (GRCm39) missense probably benign
R9371:Lamb1 UTSW 12 31,348,863 (GRCm39) missense probably damaging 0.98
R9417:Lamb1 UTSW 12 31,337,983 (GRCm39) missense probably damaging 1.00
R9562:Lamb1 UTSW 12 31,322,492 (GRCm39) missense probably damaging 1.00
R9626:Lamb1 UTSW 12 31,354,669 (GRCm39) missense probably benign
R9641:Lamb1 UTSW 12 31,337,457 (GRCm39) missense probably damaging 0.97
X0054:Lamb1 UTSW 12 31,337,433 (GRCm39) missense probably damaging 1.00
X0064:Lamb1 UTSW 12 31,353,041 (GRCm39) missense probably benign 0.35
Z1176:Lamb1 UTSW 12 31,377,701 (GRCm39) missense possibly damaging 0.55
Predicted Primers PCR Primer
(F):5'- CCAGCAGAAGAGAGTTTCTGAGCC -3'
(R):5'- ATATCTAAGGACCGACTCTGCCCC -3'

Sequencing Primer
(F):5'- AGAGTTTCTGAGCCTTTTCTTATGAC -3'
(R):5'- GATCGTCGTGAGTCCCTTAA -3'
Posted On 2013-05-23