FGF-2 (basic) Active Protein | FGF-2 active protein

Human FGF-2 (basic)

Cat. Num. AAA691526

• Gene Names: FGF2; BFGF; FGFB; FGF-2; HBGF-2
• Reactivity: Human
• Purity: > 98% by SDS-PAGE & silver stain
• Synonyms: FGF-2 (basic); Human FGF-2 (basic); Recombinant Human Fibroblast Growth Factor-2 (basic); basic Fibroblast growth factor (bFGF); Heparin binding growth factor-2 (HBGF-2); FGF-2 active protein

• Host: E Coli
• Reactivity: Human
• Purity/Purification: > 98% by SDS-PAGE & silver stain
• Form/Format: Lyophilized
• Sequence: N-Terminal Sequence: AGSITTL
• Sequence Length: 153

• Endotoxin Level: < 0.1ng per ug of human FGF-2
• Buffer: PBS
• Preparation and Storage: Lyophilized samples are stable for greater than six months at -20 degree C to -70 degree C.

Testing Data

Testing Data #2

Testing Data #3

Related Product Information for FGF-2 active protein

FGF basic (FGF2, HBGF2) is one of at least 23 mitogenic proteins of the FGF family, which show 35-60% amino acid conservation. Unlike other FGFs, FGF acidic and basic lack signal peptides and are secreted by an alternate pathway. Storage pools within the cell or on cell surface heparan sulfate proteoglycans (HSPG) are likely. The predicted 17 kDa FGF basic isoform can be located in both the cytoplasm and the nucleus and is presumed to be the form secreted. Transcription from alternate start sites produces 21-24 kDa forms found only in the nucleus. High and low molecular weight human FGF basic targets the expression of different genes when expressed in NIH3T3 cells. The 17 kDa mouse sequence has 98% aa identity with rat, and 95% identity with human, bovine and sheep FGF basic. Autocrine, intracrine and paracrine actions of FGF basic have been identified. Binding of FGF to heparin or cell surface HSPG is necessary for binding, dimerization and activation of tyrosine kinase FGF receptors. FGF basic binds other proteins, polysaccharides and lipids with lower affinity. Expression of FGF basic is nearly ubiquitous but disruption of the mouse FGF basic gene gives a relatively mild phenotype, suggesting compensation by other FGF family members. FGF basic modulates such normal processes as angiogenesis, wound healing and tissue repair, embryonic development and differentiation, neuronal function and neural degeneration. Transgenic overexpression of FGF basic results in excessive proliferation and angiogenesis reminiscent of a variety of pathological conditions.

Product Categories/Family for FGF-2 active protein

Cytokines & Growth Factors

References

Quarto N et al, Gene 356:49, (2005); Tsuneto M et al, Biochem Biophys Res Comm 335:1239 (2005); Presta M et al, Cytokine Growth Factor Rev 16:159, (2005); Claus P et al, J Biol Chem 278:479, (2003); Coulier F et al, J Mol Evol 44:43, (1997)

NCBI and Uniprot Product Information

• NCBI GI #: 153285461
• NCBI GeneID: 2247
• NCBI Accession #: NP_001997.5
• NCBI GenBank Nucleotide #: NM_002006.4
• UniProt Accession #: P09038; O00527; P78443; Q16443; Q5PY50; Q7KZ11; Q7KZ72; Q9UC54; Q9UCS5; Q9UCS6; A4LBB8
• Molecular Weight: 16.5 kDa
• NCBI Official Full Name: fibroblast growth factor 2
• NCBI Official Synonym Full Names: fibroblast growth factor 2 (basic)
• NCBI Official Symbol: FGF2
• NCBI Official Synonym Symbols: BFGF; FGFB; FGF-2; HBGF-2
• NCBI Protein Information: fibroblast growth factor 2; prostatropin; heparin-binding growth factor 2; basic fibroblast growth factor bFGF
• UniProt Protein Name: Fibroblast growth factor 2
• UniProt Gene Name: FGF2
• UniProt Synonym Gene Names: FGFB; FGF-2; bFGF; HBGF-2
• UniProt Entry Name: FGF2_HUMAN

NCBI Description

The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members bind heparin and possess broad mitogenic and angiogenic activities. This protein has been implicated in diverse biological processes, such as limb and nervous system development, wound healing, and tumor growth. The mRNA for this gene contains multiple polyadenylation sites, and is alternatively translated from non-AUG (CUG) and AUG initiation codons, resulting in five different isoforms with distinct properties. The CUG-initiated isoforms are localized in the nucleus and are responsible for the intracrine effect, whereas, the AUG-initiated form is mostly cytosolic and is responsible for the paracrine and autocrine effects of this FGF. [provided by RefSeq, Jul 2008]

Uniprot Description

Function: Plays an important role in the regulation of cell survival, cell division, angiogenesis, cell differentiation and cell migration. Functions as potent mitogen in vitro. Ref.11 Ref.20

Subunit structure: Monomer. Homodimer. Interacts with FGFR1, FGFR2, FGFR3 and FGFR4. Affinity between fibroblast growth factors (FGFs) and their receptors is increased by heparan sulfate glycosaminoglycans that function as coreceptors. Interacts with CSPG4, FGFBP1 and TEC. Found in a complex with FGFBP1, FGF1 and FGF2. Ref.19 Ref.20 Ref.21 Ref.22 Ref.23 Ref.24 Ref.25

Subcellular location: Secreted. Nucleus. Note: Exported from cells by an endoplasmic reticulum (ER)/Golgi-independent mechanism. Unconventional secretion of FGF2 occurs by direct translocation across the plasma membrane. Binding of exogenous FGF2 to FGFR facilitates endocytosis followed by translocation of FGF2 across endosomal membrane into the cytosol. Nuclear import from the cytosol requires the classical nuclear import machinery, involving proteins KPNA1 and KPNB1, as well as CEP57. Ref.25 Ref.28

Tissue specificity: Expressed in granulosa and cumulus cells. Expressed in hepatocellular carcinoma cells, but not in non-cancerous liver tissue. Ref.11 Ref.18

Post-translational modification: Phosphorylation at Tyr-215 regulates FGF2 unconventional secretion.Several N-termini starting at positions 94, 125, 126, 132, 143 and 162 have been identified by direct sequencing.

Miscellaneous: This protein binds heparin more strongly than does aFGF.

Sequence similarities: Belongs to the heparin-binding growth factors family.

Biophysicochemical propertiespH dependence:Retains almost half of its activity after treatment at pH 2.0 for 3 hours at 20 degrees Celsius. Ref.11Temperature dependence:Inactivated after 3 minutes at 60 degrees Celsius or 1 minute at 80 degrees Celsius.

Sequence caution: The sequence AAA52448.1 differs from that shown. Reason: Frameshift at positions 25, 82, 98 and 133. The sequence AAB21432.2 differs from that shown. Reason: Frameshift at position 25. The sequence AAB21432.2 differs from that shown. Reason: Unusual initiator. The initiator methionine is coded by a non-canonical CTG leucine codon.The sequence ABO43041.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended.The sequence ABO43041.1 differs from that shown. Reason: Unusual initiator. The initiator methionine is coded by a non-canonical CTG leucine codon.The sequence CAA28027.1 differs from that shown. Reason: Frameshift at positions 25 and 102. The sequence CAA28027.1 differs from that shown. Reason: Unusual initiator. The initiator methionine is coded by a non-canonical CTG leucine codon.The sequence CAA73868.1 differs from that shown. Reason: Frameshift at position 25. The sequence CAA73868.1 differs from that shown. Reason: Unusual initiator. The initiator methionine is coded by a non-canonical CTG leucine codon.The sequence EAX05222.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended.The sequence EAX05222.1 differs from that shown. Reason: Unusual initiator. The initiator methionine is coded by a non-canonical CTG leucine codon.