Laminin subunit alpha-1

Laminin subunit alpha-1 is a protein that in humans is encoded by the LAMA1 gene.

LAMA1
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 2JD4
Identifiers
Aliases	LAMA1, LAMA, S-LAM-alpha, PTBHS, Laminin, alpha 1, laminin subunit alpha 1
External IDs	OMIM: 150320; MGI: 99892; HomoloGene: 21146; GeneCards: LAMA1; OMA:LAMA1 - orthologs
Gene location (Human) Chr. Chromosome 18 (human) Band 18p11.31 Start 6,941,742 bp End 7,117,797 bp
Gene location (Mouse) Chr. Chromosome 17 (mouse) Band 17 E1.1|17 38.8 cM Start 68,004,254 bp End 68,129,642 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in ventricular zone right testis left testis mucosa of ileum gonad stromal cell of endometrium testicle ganglionic eminence mucosa of colon mucosa of sigmoid colon Top expressed in Bowman's capsule tail of embryo ovary epithelium of lens cumulus cell inner renal medulla Gonadal ridge efferent ductule yolk sac cortical collecting duct More reference expression data BioGPS More reference expression data
Gene ontology Molecular function signaling receptor binding extracellular matrix structural constituent protein binding protein C-terminus binding glycosphingolipid binding Cellular component extracellular matrix extracellular region basement membrane laminin-1 complex laminin-3 complex extracellular space membrane cell-cell junction laminin complex collagen-containing extracellular matrix Biological process cell surface receptor signaling pathway regulation of cell adhesion cell adhesion extracellular matrix organization regulation of cell migration regulation of embryonic development morphogenesis of an epithelial sheet protein phosphorylation tissue development neuron projection development establishment of epithelial cell apical/basal polarity retina development in camera-type eye epithelial tube branching involved in lung morphogenesis branching involved in salivary gland morphogenesis retinal blood vessel morphogenesis axon guidance animal organ morphogenesis camera-type eye development blood vessel morphogenesis Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 284217 16772 Ensembl ENSG00000101680 ENSMUSG00000032796 UniProt P25391 P19137 RefSeq (mRNA) NM_005559 NM_008480 RefSeq (protein) NP_005550 NP_032506 Location (UCSC) Chr 18: 6.94 – 7.12 Mb Chr 17: 68 – 68.13 Mb PubMed search
Wikidata
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Interactions

Laminin, alpha 1 has been shown to interact with FBLN2.

Role in pathology

Mutations of the LAMA1 gene cause the Poretti–Boltshauser syndrome.

Further reading

• Haaparanta T, Uitto J, Ruoslahti E, Engvall E (1991). "Molecular cloning of the cDNA encoding human laminin A chain". Matrix. 11 (3): 151–60. doi:10.1016/s0934-8832(11)80153-8. PMID 1714537.
• Nissinen M, Vuolteenaho R, Boot-Handford R, et al. (1991). "Primary structure of the human laminin A chain. Limited expression in human tissues". Biochem. J. 276 ( Pt 2) (Pt 2): 369–79. doi:10.1042/bj2760369. PMC 1151101. PMID 2049067.
• Taraboletti G, Rao CN, Krutzsch HC, et al. (1990). "Sulfatide-binding domain of the laminin A chain". J. Biol. Chem. 265 (21): 12253–8. doi:10.1016/S0021-9258(19)38338-3. PMID 2373692.
• Olsen D, Nagayoshi T, Fazio M, et al. (1989). "Human laminin: cloning and sequence analysis of cDNAs encoding A, B1 and B2 chains, and expression of the corresponding genes in human skin and cultured cells". Lab. Invest. 60 (6): 772–82. PMID 2733383.
• Leivo I, Engvall E (1986). "C3d fragment of complement interacts with laminin and binds to basement membranes of glomerulus and trophoblast". J. Cell Biol. 103 (3): 1091–100. doi:10.1083/jcb.103.3.1091. PMC 2114300. PMID 3488995.
• Wewer UM, Gerecke DR, Durkin ME, et al. (1995). "Human beta 2 chain of laminin (formerly S chain): cDNA cloning, chromosomal localization, and expression in carcinomas". Genomics. 24 (2): 243–52. doi:10.1006/geno.1994.1612. PMID 7698745.
• Yamada H, Shimizu T, Tanaka T, et al. (1994). "Dystroglycan is a binding protein of laminin and merosin in peripheral nerve". FEBS Lett. 352 (1): 49–53. doi:10.1016/0014-5793(94)00917-1. PMID 7925941. S2CID 17529055.
• Moser TL, Enghild JJ, Pizzo SV, Stack MS (1993). "The extracellular matrix proteins laminin and fibronectin contain binding domains for human plasminogen and tissue plasminogen activator". J. Biol. Chem. 268 (25): 18917–23. doi:10.1016/S0021-9258(17)46714-7. PMID 8360181.
• Yurchenco PD, Sung U, Ward MD, et al. (1993). "Recombinant laminin G domain mediates myoblast adhesion and heparin binding". J. Biol. Chem. 268 (11): 8356–65. doi:10.1016/S0021-9258(18)53103-3. PMID 8463343.
• Ancsin JB, Kisilevsky R (1997). "Characterization of high affinity binding between laminin and the acute-phase protein, serum amyloid A". J. Biol. Chem. 272 (1): 406–13. doi:10.1074/jbc.272.1.406. PMID 8995276. S2CID 37912337.
• Zahedi K (1997). "Characterization of the binding of serum amyloid P to laminin". J. Biol. Chem. 272 (4): 2143–8. doi:10.1074/S0021-9258(19)78482-8. PMID 8999915.
• Utani A, Nomizu M, Yamada Y (1997). "Fibulin-2 binds to the short arms of laminin-5 and laminin-1 via conserved amino acid sequences". J. Biol. Chem. 272 (5): 2814–20. doi:10.1074/jbc.272.5.2814. PMID 9006922. S2CID 24800195.
• Cáceres J, Brandan E (1997). "Interaction between Alzheimer's disease beta A4 precursor protein (APP) and the extracellular matrix: evidence for the participation of heparan sulfate proteoglycans". J. Cell. Biochem. 65 (2): 145–58. doi:10.1002/(SICI)1097-4644(199705)65:2<145::AID-JCB2>3.0.CO;2-U. PMID 9136074. S2CID 43911847.
• Chen M, Marinkovich MP, Veis A, et al. (1997). "Interactions of the amino-terminal noncollagenous (NC1) domain of type VII collagen with extracellular matrix components. A potential role in epidermal-dermal adherence in human skin". J. Biol. Chem. 272 (23): 14516–22. doi:10.1074/jbc.272.23.14516. PMID 9169408. S2CID 7310763.
• Schuger L, Skubitz AP, Zhang J, et al. (1997). "Laminin α1 Chain Synthesis in the Mouse Developing Lung: Requirement for Epithelial–Mesenchymal Contact and Possible Role in Bronchial Smooth muscle Development". J. Cell Biol. 139 (2): 553–62. doi:10.1083/jcb.139.2.553. PMC 2139794. PMID 9334356.
• Mrowiec T, Melchar C, Górski A (1998). "HIV-protein-mediated alterations in T cell interactions with the extracellular matrix proteins and endothelium". Arch. Immunol. Ther. Exp. (Warsz.). 45 (2–3): 255–9. PMID 9597096.
• O'Grady P, Thai TC, Saito H (1998). "The Laminin–Nidogen Complex is a Ligand for a Specific Splice Isoform of the Transmembrane Protein Tyrosine Phosphatase LAR". J. Cell Biol. 141 (7): 1675–84. doi:10.1083/jcb.141.7.1675. PMC 2133008. PMID 9647658.
• Ettner N, Göhring W, Sasaki T, et al. (1998). "The N-terminal globular domain of the laminin alpha1 chain binds to alpha1beta1 and alpha2beta1 integrins and to the heparan sulfate-containing domains of perlecan". FEBS Lett. 430 (3): 217–21. doi:10.1016/S0014-5793(98)00601-2. PMID 9688542. S2CID 84569969.
• Ludwig HC, Rausch S, Schallock K, Markakis E (1999). "Expression of CD 73 (ecto-5'-nucleotidase) in 165 glioblastomas by immunohistochemistry and electronmicroscopic histochemistry". Anticancer Res. 19 (3A): 1747–52. PMID 10470109.