Human LTF S.Plasma Recombinant Protein (RPPB4063)

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SKU:
RPPB4063
Product type:
Recombinant Protein
Size:
10ug
Species:
Human
Target:
LTF S.Plasma
Synonyms:
Lactotransferrin
Synonyms:
Lactoferrin
Synonyms:
Growth-inhibiting protein 12
Synonyms:
Talalactoferrin
Source:
Human seminal plasma
Uniprot:
P02788
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Description

Product Name:Human LTF S.Plasma Recombinant Protein
Product Code:RPPB4063
Size:10µg
Species:Human
Target:LTF S.Plasma
Synonyms:Lactotransferrin, Lactoferrin, Growth-inhibiting protein 12, Talalactoferrin, LTF, GIG12, LF, HLF2, Neutrophil Lactoferrin.
Source:Human seminal plasma
Physical Appearance:Filtered White lyophilized (freeze-dried) powder.
Formulation:LTF protein filtered (0.4µm) and lyophilized in 0.5 mg/ml in 0.05M phosphate buffer and 0.075M NaCl, pH 7.4.
Solubility:It is recommended to add deionized water to prepare a working stock solution of approximately 0.5 mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Stability:Store lyophilized protein at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
Purity:Purity greater than 90% as determined by SDS-PAGE.
Amino Acid Sequence:GRRRSVQWCA VSQPEATKCF QWQRNMRKVR GPPVSCIKRD SPIQCIQAIA ENRADAVTLD GGFIYEAGLA PYKLRPVAAE VYGTERQPRT HYYAVAVVKK GGSFQLNELQ GLKSCHTGLR RTAGWNVPIG TLRPFLNWTG PPEPIEAAVA RFFSASCVPG ADKGQFPNLC RLCAGTGENK CAFSSQEPYF SYSGAFKCLR DGAGDVAFIR ESTVFEDLSD EAERDEYELL CPDNTRKPVD KFKDCHLARV PSHAVVARSV NGKEDAIWNL LRQAQEKFGK DKSPKFQLFG SPSGQKDLLF KDSAIGFSRV PPRIDSGLYL GSGYFTAIQN LRKSEEEVAA RRARVVWCAV GEQELRKCNQ WSGLSEGSVT CSSASTTEDC IALVLKGEAD AMSLDGGYVY TAGKCGLVPV LAENYKSQQS SDPDPNCVDR PVEGYLAVAV VRRSDTSLTW NSVKGKKSCH TAVDRTAGWN IPMGLLFNQT GSCKFDEYFS QSCAPGSDPR SNLCALCIGD EQGENKCVPN SNERYYGYTG AFRCLAENAG DVAFVKDVTV LQNTDGNNNE AWAKDLKLAD FALLCLDGKR KPVTEARSCH LAMAPNHAVV SRMDKVERLK QVLLHQQAKF GRNGSDCPDK FCLFQSETKN LLFNDNTECL ARLHGKTTYE KYLGPQYVAG ITNLKKCSTS PLLEACEFLR K

Lactoferrin is a glycoprotein that belongs to the transferrin family of iron binding proteins. It is found in human breast milk as well as most epithelial surface secretions including tears, nasogastric, saliva, and bronchial. Lactoferrin binds 2 molecules of iron with very high affinity. Lactoferrin inhibits bacterial growth by withholding iron, its N-terminal region is an antimicrobial peptide. Lactotransferrin acts synergistically with lysozyme to potentiate the activity of both proteins. The multifunctional protein lactoferrin has many physiological possible roles. It is often referred to as an innate defense protein and frequently serves as the first line of defense in protection against pathogens. It has been shown to have the ability to bind iron, it is a natural anti-bacterial, anti-fungal and anti-viral, it is an antioxidant and it also has immunomodulatory properties. It has many beneficial properties, which make it a good candidate for a number of product applications. Considerable research is currently going on to explain the various suggested biological functions of lactoferrin.

The Human Lactoferrin produced from pooled Human seminal plasma has a molecular mass of 76.165kDa (calculated without glycosylation) containing 691 amino acid residues.

UniProt Protein Function:LTF: Transferrins are iron binding transport proteins which can bind two Fe(3+) ions in association with the binding of an anion, usually bicarbonate. Belongs to the transferrin family. 2 isoforms of the human protein are produced by alternative promoter.
UniProt Protein Details:

Protein type:Secreted; Protease; EC 3.4.21.-; Secreted, signal peptide

Chromosomal Location of Human Ortholog: 3p21.31

Cellular Component: cell surface; cytoplasm; extracellular region; extracellular space; nucleus; protein complex; secretory granule; specific granule

Molecular Function:heparin binding; iron ion binding; protein binding; protein serine/threonine kinase activator activity

Biological Process: activation of NF-kappaB transcription factor; antibacterial humoral response; antifungal humoral response; cell redox homeostasis; cellular protein metabolic process; humoral immune response; innate immune response in mucosa; iron assimilation by chelation and transport; negative regulation of apoptosis; negative regulation of ATPase activity; negative regulation of lipopolysaccharide-mediated signaling pathway; negative regulation of viral genome replication; negative regulation of viral reproduction; positive regulation of I-kappaB kinase/NF-kappaB cascade; positive regulation of osteoblast differentiation; positive regulation of osteoblast proliferation; positive regulation of toll-like receptor 4 signaling pathway; regulation of cytokine production; regulation of tumor necrosis factor production; retinal homeostasis

NCBI Summary:This gene is a member of the transferrin family of genes and its protein product is found in the secondary granules of neutrophils. The protein is a major iron-binding protein in milk and body secretions with an antimicrobial activity, making it an important component of the non-specific immune system. The protein demonstrates a broad spectrum of properties, including regulation of iron homeostasis, host defense against a broad range of microbial infections, anti-inflammatory activity, regulation of cellular growth and differentiation and protection against cancer development and metastasis. Antimicrobial, antiviral, antifungal and antiparasitic activity has been found for this protein and its peptides. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2014]
UniProt Code:P02788
NCBI GenInfo Identifier:85700158
NCBI Gene ID:4057
NCBI Accession:P02788.6
UniProt Secondary Accession:P02788,O00756, Q16780, Q16785, Q16786, Q16789, Q5DSM0 Q8IU92, A8K9U8, B2MV13, B7Z4X2, E7EQH5,
UniProt Related Accession:P02788
Molecular Weight:73,161 Da
NCBI Full Name:Lactotransferrin
NCBI Synonym Full Names:lactotransferrin
NCBI Official Symbol:LTF  
NCBI Official Synonym Symbols:LF; HLF2; GIG12; HEL110  
NCBI Protein Information:lactotransferrin
UniProt Protein Name:Lactotransferrin
UniProt Synonym Protein Names:Growth-inhibiting protein 12; Talalactoferrin
Protein Family:Lactotransferrin
UniProt Gene Name:LTF  
UniProt Entry Name:TRFL_HUMAN
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