Incidental Mutation 'R4431:Lamc1'
ID 328591
Institutional Source Beutler Lab
Gene Symbol Lamc1
Ensembl Gene ENSMUSG00000026478
Gene Name laminin, gamma 1
Synonyms laminin B2, Lamb2
MMRRC Submission 041146-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4431 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 153094668-153208532 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 153097274 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 1590 (I1590T)
Ref Sequence ENSEMBL: ENSMUSP00000027752 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027752]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000027752
AA Change: I1590T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000027752
Gene: ENSMUSG00000026478
AA Change: I1590T

DomainStartEndE-ValueType
signal peptide 1 33 N/A INTRINSIC
LamNT 42 282 1.97e-150 SMART
EGF_Lam 284 337 7.18e-7 SMART
EGF_Lam 340 393 7.93e-9 SMART
EGF_Lam 396 440 2.11e-13 SMART
EGF_Lam 443 490 2.87e-15 SMART
LamB 551 676 5.52e-48 SMART
Pfam:Laminin_EGF 683 718 1.3e-4 PFAM
EGF_Lam 722 768 2.38e-12 SMART
EGF_Lam 771 823 1.39e-4 SMART
EGF_Lam 826 879 8.05e-10 SMART
EGF_Lam 882 930 8.9e-12 SMART
EGF_Lam 933 978 1.26e-11 SMART
EGF_Lam 981 1026 7.4e-9 SMART
coiled coil region 1063 1594 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000161744
SMART Domains Protein: ENSMUSP00000124662
Gene: ENSMUSG00000026478

DomainStartEndE-ValueType
coiled coil region 1 73 N/A INTRINSIC
Meta Mutation Damage Score 0.5686 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency 100% (52/52)
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), have 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 gamma chain isoform laminin, gamma 1. The gamma 1 chain, formerly thought to be a beta chain, contains structural domains similar to beta chains, however, lacks the short alpha region separating domains I and II. The structural organization of this gene also suggested that it had diverged considerably from the beta chain genes. Embryos of transgenic mice in which both alleles of the gamma 1 chain gene were inactivated by homologous recombination, lacked basement membranes, indicating that laminin, gamma 1 chain is necessary for laminin heterotrimer assembly. It has been inferred by analogy with the strikingly similar 3' UTR sequence in mouse laminin gamma 1 cDNA, that multiple polyadenylation sites are utilized in human to generate the 2 different sized mRNAs (5.5 and 7.5 kb) seen on Northern analysis. [provided by RefSeq, Aug 2011]
PHENOTYPE: Embryos homozygous for a targeted null mutation lack development of basement membranes, migration of primitive endoderm cells out of the inner cell mass, and parietal yolk sac development, resulting in lethality by embryonic day 5.5. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
0610040J01Rik G T 5: 64,056,182 (GRCm39) probably benign Het
2510039O18Rik T C 4: 148,026,022 (GRCm39) S181P probably benign Het
4930522L14Rik A T 5: 109,884,440 (GRCm39) C473S possibly damaging Het
4930523C07Rik A T 1: 159,872,149 (GRCm39) noncoding transcript Het
Aak1 A G 6: 86,963,300 (GRCm39) K910R unknown Het
Abca2 A G 2: 25,332,864 (GRCm39) D1521G probably benign Het
Adamts20 C A 15: 94,241,924 (GRCm39) D695Y probably damaging Het
Bag4 C T 8: 26,259,516 (GRCm39) A228T probably benign Het
Bltp3a A G 17: 28,104,905 (GRCm39) N533S probably damaging Het
Bspry T A 4: 62,400,904 (GRCm39) I132N possibly damaging Het
Cfap300 A G 9: 8,027,178 (GRCm39) V120A probably damaging Het
Cfh T C 1: 140,064,004 (GRCm39) Y424C probably damaging Het
Chd2 T C 7: 73,085,709 (GRCm39) R1642G possibly damaging Het
Chrm2 A G 6: 36,501,097 (GRCm39) D318G probably benign Het
Chrna4 A G 2: 180,670,413 (GRCm39) S448P probably damaging Het
Cldn8 A C 16: 88,359,619 (GRCm39) M102R probably damaging Het
Dock8 T C 19: 25,042,754 (GRCm39) V112A probably benign Het
Fbxo42 C A 4: 140,927,861 (GRCm39) R714S probably damaging Het
Fmo1 G A 1: 162,661,281 (GRCm39) A334V possibly damaging Het
Gpr68 A T 12: 100,865,650 (GRCm39) probably benign Het
Gramd4 A G 15: 86,014,361 (GRCm39) K345R probably damaging Het
Gtpbp1 T G 15: 79,600,398 (GRCm39) S444A probably damaging Het
Ints12 T C 3: 132,808,242 (GRCm39) Y207H probably damaging Het
Kat2b-ps A T 5: 93,540,443 (GRCm39) noncoding transcript Het
Klhl25 T A 7: 75,515,162 (GRCm39) F23I probably damaging Het
Lhfpl4 A G 6: 113,170,805 (GRCm39) I127T possibly damaging Het
Lrrc71 A G 3: 87,650,143 (GRCm39) S286P possibly damaging Het
Man1c1 A T 4: 134,430,329 (GRCm39) V151D probably damaging Het
Mipol1 G A 12: 57,350,310 (GRCm39) R36Q possibly damaging Het
Nuggc T A 14: 65,848,659 (GRCm39) W187R probably benign Het
Or4a71 A G 2: 89,357,987 (GRCm39) Y256H probably damaging Het
Pkhd1 G A 1: 20,593,538 (GRCm39) T1525I probably damaging Het
Pomp A G 5: 147,812,289 (GRCm39) E125G probably damaging Het
Ptar1 G T 19: 23,671,695 (GRCm39) G33C probably damaging Het
Ptpn3 A G 4: 57,235,355 (GRCm39) S335P probably damaging Het
Pus7 A G 5: 23,951,487 (GRCm39) Y521H probably benign Het
Shank1 C T 7: 43,969,076 (GRCm39) R324* probably null Het
Slc12a3 A T 8: 95,069,713 (GRCm39) I541F probably damaging Het
Slc12a9 G A 5: 137,319,775 (GRCm39) P580L probably benign Het
Spz1 A G 13: 92,711,837 (GRCm39) L213P probably damaging Het
Strn A G 17: 79,043,891 (GRCm39) V9A probably damaging Het
Sytl5 A T X: 9,826,262 (GRCm39) N412Y probably damaging Het
Tert T A 13: 73,775,594 (GRCm39) F115Y probably damaging Het
Tmem67 T A 4: 12,051,473 (GRCm39) N785I possibly damaging Het
Trf T C 9: 103,089,075 (GRCm39) N243S possibly damaging Het
Ttc3 T C 16: 94,211,817 (GRCm39) probably null Het
Vmn2r22 T C 6: 123,614,817 (GRCm39) T258A possibly damaging Het
Vps13b A C 15: 35,770,899 (GRCm39) Q2114P probably damaging Het
Wdfy1 T A 1: 79,691,583 (GRCm39) R275* probably null Het
Wnt2b A G 3: 104,860,256 (GRCm39) L217S probably damaging Het
Other mutations in Lamc1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00950:Lamc1 APN 1 153,116,241 (GRCm39) missense probably damaging 1.00
IGL01397:Lamc1 APN 1 153,126,880 (GRCm39) missense probably damaging 1.00
IGL01661:Lamc1 APN 1 153,097,319 (GRCm39) missense possibly damaging 0.89
IGL01894:Lamc1 APN 1 153,122,828 (GRCm39) missense possibly damaging 0.51
IGL02000:Lamc1 APN 1 153,116,179 (GRCm39) missense probably damaging 1.00
IGL02649:Lamc1 APN 1 153,122,788 (GRCm39) missense possibly damaging 0.78
IGL02749:Lamc1 APN 1 153,125,599 (GRCm39) missense possibly damaging 0.51
IGL02819:Lamc1 APN 1 153,126,407 (GRCm39) missense probably damaging 1.00
IGL02831:Lamc1 APN 1 153,122,801 (GRCm39) missense probably benign 0.00
IGL03069:Lamc1 APN 1 153,115,127 (GRCm39) missense probably damaging 1.00
IGL03143:Lamc1 APN 1 153,208,020 (GRCm39) missense probably benign 0.00
IGL03166:Lamc1 APN 1 153,208,047 (GRCm39) missense probably benign 0.01
IGL03285:Lamc1 APN 1 153,103,431 (GRCm39) missense possibly damaging 0.96
IGL03294:Lamc1 APN 1 153,138,392 (GRCm39) missense probably damaging 1.00
pride UTSW 1 153,123,030 (GRCm39) missense probably benign 0.01
Stratum UTSW 1 153,126,870 (GRCm39) nonsense probably null
tier UTSW 1 153,126,268 (GRCm39) missense probably damaging 1.00
PIT4280001:Lamc1 UTSW 1 153,119,217 (GRCm39) missense probably damaging 1.00
R0003:Lamc1 UTSW 1 153,138,185 (GRCm39) missense probably damaging 0.99
R0003:Lamc1 UTSW 1 153,138,185 (GRCm39) missense probably damaging 0.99
R0027:Lamc1 UTSW 1 153,138,329 (GRCm39) missense probably damaging 1.00
R0060:Lamc1 UTSW 1 153,117,614 (GRCm39) unclassified probably benign
R0078:Lamc1 UTSW 1 153,104,936 (GRCm39) missense probably damaging 0.96
R0157:Lamc1 UTSW 1 153,138,353 (GRCm39) missense probably benign 0.00
R0282:Lamc1 UTSW 1 153,131,058 (GRCm39) missense probably benign
R0374:Lamc1 UTSW 1 153,126,811 (GRCm39) splice site probably benign
R0494:Lamc1 UTSW 1 153,122,682 (GRCm39) critical splice donor site probably null
R0502:Lamc1 UTSW 1 153,122,678 (GRCm39) splice site probably benign
R0755:Lamc1 UTSW 1 153,123,196 (GRCm39) missense possibly damaging 0.94
R0791:Lamc1 UTSW 1 153,110,341 (GRCm39) missense probably damaging 1.00
R0791:Lamc1 UTSW 1 153,110,326 (GRCm39) missense possibly damaging 0.94
R0791:Lamc1 UTSW 1 153,110,358 (GRCm39) missense probably benign 0.01
R0792:Lamc1 UTSW 1 153,110,326 (GRCm39) missense possibly damaging 0.94
R0792:Lamc1 UTSW 1 153,110,341 (GRCm39) missense probably damaging 1.00
R0792:Lamc1 UTSW 1 153,110,358 (GRCm39) missense probably benign 0.01
R0892:Lamc1 UTSW 1 153,208,000 (GRCm39) missense possibly damaging 0.95
R0941:Lamc1 UTSW 1 153,208,020 (GRCm39) missense possibly damaging 0.72
R0961:Lamc1 UTSW 1 153,097,446 (GRCm39) missense probably benign 0.03
R0961:Lamc1 UTSW 1 153,097,392 (GRCm39) frame shift probably null
R0963:Lamc1 UTSW 1 153,119,132 (GRCm39) missense probably benign
R1127:Lamc1 UTSW 1 153,126,205 (GRCm39) missense possibly damaging 0.69
R1173:Lamc1 UTSW 1 153,122,977 (GRCm39) splice site probably benign
R1175:Lamc1 UTSW 1 153,122,977 (GRCm39) splice site probably benign
R1449:Lamc1 UTSW 1 153,126,241 (GRCm39) missense probably benign
R1481:Lamc1 UTSW 1 153,097,380 (GRCm39) missense probably damaging 1.00
R1565:Lamc1 UTSW 1 153,118,489 (GRCm39) missense probably benign 0.34
R1583:Lamc1 UTSW 1 153,119,224 (GRCm39) critical splice acceptor site probably null
R1643:Lamc1 UTSW 1 153,133,818 (GRCm39) splice site probably benign
R1652:Lamc1 UTSW 1 153,125,392 (GRCm39) missense probably damaging 1.00
R1691:Lamc1 UTSW 1 153,122,995 (GRCm39) missense probably benign 0.04
R1854:Lamc1 UTSW 1 153,125,618 (GRCm39) missense probably damaging 0.99
R2018:Lamc1 UTSW 1 153,118,378 (GRCm39) missense probably benign 0.07
R2170:Lamc1 UTSW 1 153,124,888 (GRCm39) missense probably benign 0.07
R2410:Lamc1 UTSW 1 153,123,141 (GRCm39) missense possibly damaging 0.61
R3438:Lamc1 UTSW 1 153,102,161 (GRCm39) missense probably benign 0.04
R3615:Lamc1 UTSW 1 153,126,896 (GRCm39) missense probably damaging 1.00
R3616:Lamc1 UTSW 1 153,126,896 (GRCm39) missense probably damaging 1.00
R3699:Lamc1 UTSW 1 153,130,951 (GRCm39) missense possibly damaging 0.79
R3811:Lamc1 UTSW 1 153,138,454 (GRCm39) splice site probably null
R4285:Lamc1 UTSW 1 153,110,298 (GRCm39) missense probably damaging 0.99
R4579:Lamc1 UTSW 1 153,123,015 (GRCm39) missense probably damaging 1.00
R4625:Lamc1 UTSW 1 153,118,442 (GRCm39) missense probably benign 0.04
R4649:Lamc1 UTSW 1 153,104,523 (GRCm39) missense probably damaging 0.99
R4650:Lamc1 UTSW 1 153,104,523 (GRCm39) missense probably damaging 0.99
R4651:Lamc1 UTSW 1 153,104,523 (GRCm39) missense probably damaging 0.99
R4652:Lamc1 UTSW 1 153,104,523 (GRCm39) missense probably damaging 0.99
R4653:Lamc1 UTSW 1 153,104,523 (GRCm39) missense probably damaging 0.99
R4784:Lamc1 UTSW 1 153,107,486 (GRCm39) missense probably damaging 1.00
R4785:Lamc1 UTSW 1 153,107,486 (GRCm39) missense probably damaging 1.00
R4853:Lamc1 UTSW 1 153,104,846 (GRCm39) missense possibly damaging 0.89
R5216:Lamc1 UTSW 1 153,103,442 (GRCm39) missense probably damaging 1.00
R5217:Lamc1 UTSW 1 153,103,442 (GRCm39) missense probably damaging 1.00
R5218:Lamc1 UTSW 1 153,103,442 (GRCm39) missense probably damaging 1.00
R5219:Lamc1 UTSW 1 153,103,442 (GRCm39) missense probably damaging 1.00
R5468:Lamc1 UTSW 1 153,109,310 (GRCm39) missense probably damaging 0.99
R5597:Lamc1 UTSW 1 153,127,716 (GRCm39) missense probably damaging 1.00
R5754:Lamc1 UTSW 1 153,123,030 (GRCm39) missense probably benign 0.01
R6233:Lamc1 UTSW 1 153,099,412 (GRCm39) missense probably benign
R6431:Lamc1 UTSW 1 153,097,417 (GRCm39) missense probably benign 0.21
R6636:Lamc1 UTSW 1 153,117,721 (GRCm39) missense possibly damaging 0.93
R6888:Lamc1 UTSW 1 153,138,238 (GRCm39) missense probably damaging 1.00
R7161:Lamc1 UTSW 1 153,102,200 (GRCm39) missense probably damaging 1.00
R7240:Lamc1 UTSW 1 153,110,396 (GRCm39) missense possibly damaging 0.82
R7388:Lamc1 UTSW 1 153,124,822 (GRCm39) missense probably damaging 1.00
R7474:Lamc1 UTSW 1 153,208,011 (GRCm39) missense possibly damaging 0.81
R7570:Lamc1 UTSW 1 153,119,021 (GRCm39) missense possibly damaging 0.64
R7583:Lamc1 UTSW 1 153,118,978 (GRCm39) missense possibly damaging 0.71
R7597:Lamc1 UTSW 1 153,116,200 (GRCm39) missense possibly damaging 0.94
R7635:Lamc1 UTSW 1 153,124,806 (GRCm39) missense probably damaging 1.00
R7976:Lamc1 UTSW 1 153,123,014 (GRCm39) missense probably damaging 1.00
R8012:Lamc1 UTSW 1 153,097,358 (GRCm39) missense probably benign 0.04
R8207:Lamc1 UTSW 1 153,126,268 (GRCm39) missense probably damaging 1.00
R8219:Lamc1 UTSW 1 153,123,073 (GRCm39) missense probably damaging 1.00
R8227:Lamc1 UTSW 1 153,099,500 (GRCm39) missense probably benign 0.04
R8315:Lamc1 UTSW 1 153,119,167 (GRCm39) missense probably benign 0.00
R8417:Lamc1 UTSW 1 153,106,515 (GRCm39) missense probably damaging 1.00
R8685:Lamc1 UTSW 1 153,109,288 (GRCm39) missense probably benign 0.31
R8827:Lamc1 UTSW 1 153,097,424 (GRCm39) missense probably damaging 1.00
R8995:Lamc1 UTSW 1 153,207,993 (GRCm39) missense probably benign 0.00
R9061:Lamc1 UTSW 1 153,126,870 (GRCm39) nonsense probably null
R9141:Lamc1 UTSW 1 153,123,196 (GRCm39) missense probably benign 0.01
R9187:Lamc1 UTSW 1 153,097,434 (GRCm39) nonsense probably null
R9206:Lamc1 UTSW 1 153,126,197 (GRCm39) missense probably damaging 1.00
R9222:Lamc1 UTSW 1 153,119,087 (GRCm39) missense probably damaging 0.96
R9297:Lamc1 UTSW 1 153,127,746 (GRCm39) missense probably damaging 1.00
R9318:Lamc1 UTSW 1 153,127,746 (GRCm39) missense probably damaging 1.00
R9377:Lamc1 UTSW 1 153,115,009 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- AACCCTTTGTTCCTGGTTAAAGATG -3'
(R):5'- ATGAGATCGAAGGCTCCCTG -3'

Sequencing Primer
(F):5'- CTGACTTTTCTTGGGTCAAAAGGAC -3'
(R):5'- GATCGAAGGCTCCCTGAACAAAG -3'
Posted On 2015-07-21