Incidental Mutation 'R7486:Lamb1'
ID 580193
Institutional Source Beutler Lab
Gene Symbol Lamb1
Ensembl Gene ENSMUSG00000002900
Gene Name laminin B1
Synonyms Lamb-1, D130003D08Rik, C80098, C81607, Lamb1-1
MMRRC Submission 045560-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7486 (G1)
Quality Score 225.009
Status Not validated
Chromosome 12
Chromosomal Location 31315233-31379643 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 31337441 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Alanine at position 391 (S391A)
Ref Sequence ENSEMBL: ENSMUSP00000002979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002979] [ENSMUST00000169088]
AlphaFold P02469
Predicted Effect probably benign
Transcript: ENSMUST00000002979
AA Change: S391A

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000002979
Gene: ENSMUSG00000002900
AA Change: S391A

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 benign
Transcript: ENSMUST00000169088
AA Change: S343A

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000132778
Gene: ENSMUSG00000002900
AA Change: S343A

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam21 T C 12: 81,605,657 (GRCm39) I702V probably benign Het
Adgre5 T C 8: 84,450,515 (GRCm39) E815G probably damaging Het
Adgrl2 A G 3: 148,523,330 (GRCm39) V298A Het
Akp3 A G 1: 87,053,201 (GRCm39) D91G probably damaging Het
Ano8 A G 8: 71,937,642 (GRCm39) probably null Het
Blvra T C 2: 126,929,243 (GRCm39) S136P unknown Het
Cacul1 T A 19: 60,568,868 (GRCm39) M97L probably benign Het
Ccdc80 T C 16: 44,946,542 (GRCm39) V827A probably damaging Het
Cep68 T C 11: 20,192,166 (GRCm39) E11G probably benign Het
Cfap221 A T 1: 119,851,322 (GRCm39) V813E possibly damaging Het
Chd6 A G 2: 160,791,923 (GRCm39) V2478A probably damaging Het
Chmp6 T C 11: 119,807,783 (GRCm39) F148S probably benign Het
Clca3a2 T A 3: 144,503,362 (GRCm39) I863F probably damaging Het
Cnnm2 T C 19: 46,750,513 (GRCm39) V101A possibly damaging Het
Cpne8 A T 15: 90,400,109 (GRCm39) probably null Het
Dmbt1 T G 7: 130,668,192 (GRCm39) C483G unknown Het
Dnah7b G A 1: 46,329,894 (GRCm39) G3246D probably damaging Het
Dnajc3 C A 14: 119,209,816 (GRCm39) T297K probably benign Het
Dpm3 A G 3: 89,174,034 (GRCm39) probably null Het
Eef2k A G 7: 120,457,793 (GRCm39) N51D probably benign Het
Erc1 G A 6: 119,571,907 (GRCm39) Q1022* probably null Het
Ercc5 T A 1: 44,187,224 (GRCm39) M1K probably null Het
Fam114a2 C T 11: 57,404,515 (GRCm39) G83D probably damaging Het
Fat4 C A 3: 39,011,576 (GRCm39) Y2225* probably null Het
Frk G A 10: 34,423,292 (GRCm39) W123* probably null Het
Gm11568 T A 11: 99,749,292 (GRCm39) C166S unknown Het
Gpr153 A G 4: 152,366,858 (GRCm39) D337G probably benign Het
Gpt2 T C 8: 86,252,235 (GRCm39) F517L probably damaging Het
Gsg1 C T 6: 135,214,427 (GRCm39) E361K probably benign Het
Hsfy2 G A 1: 56,676,130 (GRCm39) R136* probably null Het
Insm1 G A 2: 146,065,738 (GRCm39) R518H probably damaging Het
Kank1 G A 19: 25,388,193 (GRCm39) C622Y probably damaging Het
Katnb1 T A 8: 95,825,357 (GRCm39) S640R probably damaging Het
Kcnmb4 A G 10: 116,254,180 (GRCm39) V199A probably benign Het
Larp7-ps A T 4: 92,079,506 (GRCm39) V105E probably benign Het
Macf1 T G 4: 123,303,374 (GRCm39) D376A probably benign Het
Map7d1 C A 4: 126,128,179 (GRCm39) R614L unknown Het
Mcm8 C T 2: 132,681,440 (GRCm39) R667W probably damaging Het
Med13l C T 5: 118,866,539 (GRCm39) T531I probably benign Het
Mstn G T 1: 53,103,128 (GRCm39) A155S probably damaging Het
Mycbp2 C T 14: 103,434,690 (GRCm39) R2251K probably damaging Het
Myo19 T C 11: 84,796,463 (GRCm39) S692P probably benign Het
Nipbl A T 15: 8,325,120 (GRCm39) N2514K probably benign Het
Nkd2 T A 13: 73,995,561 (GRCm39) probably benign Het
Nox3 T A 17: 3,720,219 (GRCm39) Y322F probably damaging Het
Nt5dc1 A G 10: 34,275,805 (GRCm39) Y135H probably benign Het
Oog3 T A 4: 143,884,742 (GRCm39) H398L probably benign Het
Or10g9 T A 9: 39,912,181 (GRCm39) Y114F probably benign Het
Or12j4 C T 7: 140,045,947 (GRCm39) probably benign Het
Or1e29 T C 11: 73,667,847 (GRCm39) Y102C probably damaging Het
Otogl A G 10: 107,657,849 (GRCm39) L1027P probably damaging Het
Pcdh20 T A 14: 88,706,050 (GRCm39) I417F possibly damaging Het
Pcdha12 T A 18: 37,154,610 (GRCm39) V443E probably damaging Het
Pcdhga2 A G 18: 37,803,461 (GRCm39) D435G probably benign Het
Pcnt G T 10: 76,254,270 (GRCm39) T853K probably benign Het
Pcnt T C 10: 76,254,271 (GRCm39) T853A probably benign Het
Pgghg T A 7: 140,522,393 (GRCm39) S57R probably benign Het
Ppm1m T C 9: 106,073,810 (GRCm39) D301G probably damaging Het
Ppp6r1 A G 7: 4,642,899 (GRCm39) V519A probably benign Het
Prss41 ACAGCAGCAGCAGCAGCAGCA ACAGCAGCAGCAGCAGCA 17: 24,063,072 (GRCm39) probably benign Het
Rasa3 C T 8: 13,640,201 (GRCm39) probably null Het
Robo4 T C 9: 37,316,870 (GRCm39) V395A probably damaging Het
Scrib A G 15: 75,929,499 (GRCm39) S1123P probably damaging Het
Setd1b A G 5: 123,301,655 (GRCm39) K45E probably benign Het
Slc14a1 T C 18: 78,154,739 (GRCm39) S216G probably benign Het
Slc25a45 A G 19: 5,934,997 (GRCm39) Y282C probably damaging Het
Slc6a5 T C 7: 49,567,078 (GRCm39) S255P possibly damaging Het
Smc2 A T 4: 52,462,861 (GRCm39) Q617L possibly damaging Het
Spo11 G A 2: 172,825,870 (GRCm39) D103N probably benign Het
Tcf20 A T 15: 82,737,935 (GRCm39) M1172K possibly damaging Het
Tesc T A 5: 118,184,382 (GRCm39) S21T probably benign Het
Tie1 C A 4: 118,337,101 (GRCm39) probably null Het
Trim24 T G 6: 37,934,774 (GRCm39) probably null Het
Trpm7 A G 2: 126,673,115 (GRCm39) probably null Het
Unc13d T C 11: 115,965,259 (GRCm39) D193G possibly damaging Het
Upk3a A T 15: 84,902,225 (GRCm39) probably null Het
Vmn2r25 T C 6: 123,800,101 (GRCm39) N747S probably damaging Het
Wipf1 GCCTCCTCCTCCTCCTCCTCCTCC GCCTCCTCCTCCTCCTCCTCC 2: 73,270,418 (GRCm39) probably benign Het
Zbtb2 G A 10: 4,319,025 (GRCm39) Q334* probably null Het
Zfp653 T C 9: 21,967,824 (GRCm39) N494D probably damaging Het
Zfp865 A G 7: 5,034,259 (GRCm39) D748G possibly damaging Het
Zzef1 T C 11: 72,755,612 (GRCm39) S1014P possibly 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
R0456:Lamb1 UTSW 12 31,354,729 (GRCm39) missense probably damaging 1.00
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
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'- TTTGAGGTCTTCGTCAGGATCAAC -3'
(R):5'- ACTTCCCGACGTACGTTCAC -3'

Sequencing Primer
(F):5'- CTGTCTCATCACCAGAGGC -3'
(R):5'- CCGACGTACGTTCACAGAGATTG -3'
Posted On 2019-10-07