Incidental Mutation 'R2567:Lamb1'
ID 254576
Institutional Source Beutler Lab
Gene Symbol Lamb1
Ensembl Gene ENSMUSG00000002900
Gene Name laminin B1
Synonyms Lamb-1, D130003D08Rik, C80098, C81607, Lamb1-1
MMRRC Submission 040426-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2567 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 31315233-31379643 bp(+) (GRCm39)
Type of Mutation critical splice acceptor site
DNA Base Change (assembly) A to G at 31319054 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000132778 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002979] [ENSMUST00000169088] [ENSMUST00000170495]
AlphaFold P02469
PDB Structure Laminin beta1 LN-LE1-4 structure [X-RAY DIFFRACTION]
Predicted Effect probably null
Transcript: ENSMUST00000002979
SMART Domains Protein: ENSMUSP00000002979
Gene: ENSMUSG00000002900

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 noncoding transcript
Transcript: ENSMUST00000164228
Predicted Effect probably null
Transcript: ENSMUST00000164919
SMART Domains Protein: ENSMUSP00000132616
Gene: ENSMUSG00000002900

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
Predicted Effect probably null
Transcript: ENSMUST00000169088
SMART Domains Protein: ENSMUSP00000132778
Gene: ENSMUSG00000002900

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
Predicted Effect probably benign
Transcript: ENSMUST00000170495
SMART Domains Protein: ENSMUSP00000132001
Gene: ENSMUSG00000002900

DomainStartEndE-ValueType
low complexity region 32 45 N/A INTRINSIC
low complexity region 68 82 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.6%
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: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2fm1 A G 3: 59,836,475 (GRCm39) probably benign Het
Aebp1 A G 11: 5,820,251 (GRCm39) D409G probably benign Het
Akap10 A G 11: 61,784,175 (GRCm39) probably benign Het
Akap6 G T 12: 52,985,156 (GRCm39) S863I probably damaging Het
Ap1s3 T C 1: 79,602,921 (GRCm39) K29E possibly damaging Het
Atm T A 9: 53,368,770 (GRCm39) I2341L possibly damaging Het
Atp12a A T 14: 56,624,384 (GRCm39) D944V probably damaging Het
Baz2b A T 2: 59,744,255 (GRCm39) S1417T possibly damaging Het
Cacna1a T A 8: 85,276,354 (GRCm39) M613K probably damaging Het
Ccdc191 A C 16: 43,764,330 (GRCm39) probably null Het
Cd209d T A 8: 3,926,327 (GRCm39) N96I probably damaging Het
Cdh15 G A 8: 123,588,763 (GRCm39) R279Q probably damaging Het
Cdk4 T G 10: 126,900,145 (GRCm39) V14G probably benign Het
Chrna10 C A 7: 101,761,276 (GRCm39) M438I probably benign Het
Clec10a T C 11: 70,060,358 (GRCm39) probably null Het
Cog3 A G 14: 75,991,730 (GRCm39) V40A probably benign Het
Creb3l3 T C 10: 80,921,883 (GRCm39) H315R probably benign Het
Csmd3 CCTTTGCGCTT CCTT 15: 47,604,632 (GRCm39) probably null Het
Cubn A G 2: 13,283,167 (GRCm39) probably null Het
Cygb T C 11: 116,540,692 (GRCm39) D98G probably damaging Het
Dmbx1 T C 4: 115,777,489 (GRCm39) K120E probably damaging Het
Dnah3 T A 7: 119,551,920 (GRCm39) I2800F possibly damaging Het
Dntt G T 19: 41,029,775 (GRCm39) R245L possibly damaging Het
Dock1 T G 7: 134,747,213 (GRCm39) V1508G probably damaging Het
Enpp4 A C 17: 44,412,736 (GRCm39) I266R probably damaging Het
Fhl4 T C 10: 84,934,644 (GRCm39) I46V possibly damaging Het
Fn1 G A 1: 71,636,895 (GRCm39) Q1995* probably null Het
Foxl3 A G 5: 138,805,940 (GRCm39) S36G probably null Het
Foxo1 T A 3: 52,176,755 (GRCm39) L178H probably damaging Het
Galnt18 C T 7: 111,153,823 (GRCm39) R267H probably damaging Het
Gm1110 T C 9: 26,831,992 (GRCm39) D53G probably benign Het
Gm7104 A T 12: 88,252,242 (GRCm39) noncoding transcript Het
H2-M11 C T 17: 36,859,042 (GRCm39) T194I possibly damaging Het
Haus6 C A 4: 86,504,122 (GRCm39) E501* probably null Het
Ifna5 T C 4: 88,754,147 (GRCm39) V129A probably benign Het
Kdelr3 A G 15: 79,407,032 (GRCm39) I38V probably benign Het
Larp7-ps T C 4: 92,079,560 (GRCm39) E87G probably benign Het
Mgat4c T A 10: 102,214,123 (GRCm39) F35L probably benign Het
Mmab A T 5: 114,571,378 (GRCm39) M166K probably benign Het
Mrpl2 A G 17: 46,958,427 (GRCm39) T70A probably benign Het
Naa11 C T 5: 97,539,618 (GRCm39) G180D probably benign Het
Npy6r T C 18: 44,408,888 (GRCm39) V103A possibly damaging Het
Nup188 A T 2: 30,231,794 (GRCm39) R1463W possibly damaging Het
Nusap1 T A 2: 119,474,311 (GRCm39) S336R possibly damaging Het
Or8b12c T A 9: 37,715,509 (GRCm39) F101I probably damaging Het
Pabpc4 T A 4: 123,191,744 (GRCm39) L589Q probably damaging Het
Pcdh12 T A 18: 38,415,149 (GRCm39) N659Y probably damaging Het
Perm1 T C 4: 156,301,575 (GRCm39) S40P probably damaging Het
Phldb1 T C 9: 44,637,322 (GRCm39) T114A probably damaging Het
Pirt C T 11: 66,816,985 (GRCm39) L99F probably damaging Het
Plxdc2 A G 2: 16,716,995 (GRCm39) R360G probably benign Het
Rhpn2 G A 7: 35,080,957 (GRCm39) probably null Het
Rpusd2 T A 2: 118,867,556 (GRCm39) I268N probably damaging Het
Sds G T 5: 120,619,646 (GRCm39) W185L probably damaging Het
Serpinb5 A G 1: 106,802,876 (GRCm39) K137R probably benign Het
Sh3pxd2a A G 19: 47,413,008 (GRCm39) V25A possibly damaging Het
Slc1a2 C T 2: 102,597,355 (GRCm39) T454I probably damaging Het
Slc25a40 T C 5: 8,480,459 (GRCm39) C70R probably damaging Het
Smoc1 G A 12: 81,214,364 (GRCm39) E260K probably damaging Het
Sparcl1 A T 5: 104,232,954 (GRCm39) F616I probably damaging Het
Ssc5d A T 7: 4,939,334 (GRCm39) D590V probably damaging Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Trpm2 C T 10: 77,777,008 (GRCm39) V430M probably damaging Het
Ttn T C 2: 76,574,672 (GRCm39) D25407G probably damaging Het
Vmn2r68 T C 7: 84,883,803 (GRCm39) I101V probably benign Het
Xrcc4 A T 13: 90,210,261 (GRCm39) M61K probably damaging Het
Zfp648 A G 1: 154,080,695 (GRCm39) T285A 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
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
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'- TTCTGGATCATTTTGGACAGTTCAG -3'
(R):5'- GCAAGATGAGTGTTCCAGACAG -3'

Sequencing Primer
(F):5'- TGGACAGTTCAGTAAGTTTAAAAGTG -3'
(R):5'- TTCTGTCAAGGGCTCTAATCAG -3'
Posted On 2014-12-04