Recombinant Human Integrin beta-1(ITGB1)

Code CSB-CF011880HU
Product Type Transmembrane Protein
Size Pls inquiry other sizes
Uniprot No. P05556
Storage Buffer Lyophilized from Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Species Homo sapiens (Human)
Sequence QTDENRCLKANAKSCGECIQAGPNCGWCTNSTFLQEGMPTSARCDDLEALKKKGCPPDDIENPRGSKDIKKNKNVTNRSKGTAEKLKPEDITQIQPQQLVLRLRSGEPQTFTLKFKRAEDYPIDLYYLMDLSYSMKDDLENVKSLGTDLMNEMRRITSDFRIGFGSFVEKTVMPYISTTPAKLRNPCTSEQNCTSPFSYKNVLSLTNKGEVFNELVGKQRISGNLDSPEGGFDAIMQVAVCGSLIGWRNVTRLLVFSTDAGFHFAGDGKLGGIVLPNDGQCHLENNMYTMSHYYDYPSIAHLVQKLSENNIQTIFAVTEEFQPVYKELKNLIPKSAVGTLSANSSNVIQLIIDAYNSLSSEVILENGKLSEGVTISYKSYCKNGVNGTGENGRKCSNISIGDEVQFEISITSNKCPKKDSDSFKIRPLGFTEEVEVILQYICECECQSEGIPESPKCHEGNGTFECGACRCNEGRVGRHCECSTDEVNSEDMDAYCRKENSSEICSNNGECVCGQCVCRKRDNTNEIYSGKFCECDNFNCDRSNGLICGGNGVCKCRVCECNPNYTGSACDCSLDTSTCEASNGQICNGRGICECGVCKCTDPKFQGQTCEMCQTCLGVCAEHKECVQCRAFNKGEKKDTCTQECSYFNITKVESRDKLPQPVQPDPVSHCKEKDVDDCWFYFTYSVNGNNEVMVHVVENPECPTGPDIIPIVAGVVAGIVLIGLALLLIWKLLMIIHDRREFAKFEKEKMNAKWDTGENPIYKSAVTTVVNPKYEGK
Source in vitro E.coli expression system
Gene Names ITGB1
Protein Names Recommended name: Integrin beta-1 Alternative name(s): Fibronectin receptor subunit beta VLA-4 subunit beta CD_antigen= CD29
Expression Region 21-798
Tag Info N-terminal 10xHis-tagged
Protein Description full length protein
Storage Store at -20°C, for extended storage, conserve at -20°C or -80°C.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
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Function Integrins alpha-1/beta-1, alpha-2/beta-1, alpha-10/beta-1 and alpha-11/beta-1 are receptors for collagen. Integrins alpha-1/beta-1 and alpha-2/beta-2 recognize the proline-hydroxylated sequence G-F-P-G-E-R in collagen. Integrins alpha-2/beta-1, alpha-3/beta-1, alpha-4/beta-1, alpha-5/beta-1, alpha-8/beta-1, alpha-10/beta-1, alpha-11/beta-1 and alpha-V/beta-1 are receptors for fibronectin. Alpha-4/beta-1 recognizes one or more domains within the alternatively spliced CS-1 and CS-5 regions of fibronectin. Integrin alpha-5/beta-1 is a receptor for fibrinogen. Integrin alpha-1/beta-1, alpha-2/beta-1, alpha-6/beta-1 and alpha-7/beta-1 are receptors for lamimin. Integrin alpha-4/beta-1 is a receptor for VCAM1. It recognizes the sequence Q-I-D-S in VCAM1. Integrin alpha-9/beta-1 is a receptor for VCAM1, cytotactin and osteopontin. It recognizes the sequence A-E-I-D-G-I-E-L in cytotactin. Integrin alpha-3/beta-1 is a receptor for epiligrin, thrombospondin and CSPG4. Alpha-3/beta-1 may mediate with LGALS3 the stimulation by CSPG4 of endothelial cells migration. Integrin alpha-V/beta-1 is a receptor for vitronectin. Beta-1 integrins recognize the sequence R-G-D in a wide array of ligands. Isoform 2 interferes with isoform 1 resulting in a dominant negative effect on cell adhesion and migration (in vitro). When associated with alpha-7/beta-1 integrin, regulates cell adhesion and laminin matrix deposition. Involved in promoting endothelial cell motility and angiogenesis. Involved in osteoblast compaction through the fibronectin fibrillogenesis cell-mediated matrix assembly process and the formation of mineralized bone nodules. May be involved in up-regulation of the activity of kinases such as PKC via binding to KRT1. Together with KRT1 and RACK1, serves as a platform for SRC activation or inactivation. Plays a mechanistic adhesive role during telophase, required for the successful completion of cytokinesis. Integrin alpha-3/beta-1 provides a docking site for FAP (seprase) at invadopodia plasma membranes in a collagen-dependent manner and hence may participate in the adhesion, formation of invadopodia and matrix degradation processes, promoting cell invasion. ITGA4
Subcellular Location Cell membrane, Single-pass type I membrane protein, Cell projection, invadopodium membrane, Single-pass type I membrane protein, Cell projection, ruffle membrane, Single-pass type I membrane protein, Recycling endosome, Melanosome, Cleavage furrow, Cell projection, lamellipodium, Cell projection, ruffle, Cell junction, focal adhesion, Cell surface, Note=Isoform 2 does not localize to focal adhesions, Highly enriched in stage I melanosomes, Located on plasma membrane of neuroblastoma NMB7 cells, In a lung cancer cell line, in prometaphase and metaphase, localizes diffusely at the membrane and in a few intracellular vesicles, In early telophase, detected mainly on the matrix-facing side of the cells, By mid-telophase, concentrated to the ingressing cleavage furrow, mainly to the basal side of the furrow, In late telophase, concentrated to the extending protrusions formed at the opposite ends of the spreading daughter cells, in vesicles at the base of the lamellipodia formed by the separating daughter cells, Colocalizes with ITGB1BP1 and metastatic suppressor protein NME2 at the edge or peripheral ruffles and lamellipodia during the early stages of cell spreading on fibronectin or collagen, Translocates from peripheral focal adhesions sites to fibrillar adhesions in a ITGB1BP1-dependent manner, Enriched preferentially at invadopodia, cell membrane protrusions that correspond to sites of cell invasion, in a collagen-dependent manner, Localized at plasma and ruffle membranes in a collagen-independent manner, SUBCELLULAR LOCATION: Isoform 5: Cell membrane, sarcolemma, Cell junction
Protein Families Integrin beta chain family
Tissue Specificity Isoform 1 is widely expressed, other isoforms are generally coexpressed with a more restricted distribution. Isoform 2 is expressed in skin, liver, skeletal muscle, cardiac muscle, placenta, umbilical vein endothelial cells, neuroblastoma cells, lymphoma
Database Links

HGNC: 6153

OMIM: 135630

KEGG: hsa:3688

STRING: 9606.ENSP00000303351

UniGene: Hs.643813

Pathway PI3K-Akt signaling pathway
Focal adhesion
Regulation of actin cytoskeleton
Leukocyte transendothelial migration
Rap1 signaling pathway

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