Recombinant Human Inter-alpha-trypsin inhibitor heavy chain H4(ITIH4),partial

In Stock
Code CSB-YP617923HU
Size $2959 How to order?
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Based on the SEQUEST from database of Yeast host and target protein, the LC-MS/MS Analysis result of CSB-YP617923HU could indicate that this peptide derived from Yeast-expressed Homo sapiens (Human) ITIH4.
  • Based on the SEQUEST from database of Yeast host and target protein, the LC-MS/MS Analysis result of CSB-YP617923HU could indicate that this peptide derived from Yeast-expressed Homo sapiens (Human) ITIH4.
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Product Details


The fusion tag N-terminal 6xHis tag gene was added to the gene sequence corresponding to the yeast of the human ITIH4 protein to form the recombinant DNA. The recombinant DNA was cloned into the expression vector and then transfected into the yeast cells for expression. Following purification, the product is the recombinant human ITIH4 protein carrying N-terminal 6xHis tag. The SDS-PAGE assessed the purity of this recombinant ITIH4 protein up to 85%. It had an apparent molecular weight of approximately 30 kDa.

ITIH4 is a gene encoding a protein called inter-alpha-trypsin inhibitor heavy chain H4 in human and belongs to ITIH family, which was associated with inflammation and carcinogenesis. This gene is located in a cluster of related inter alpha trypsin inhibitor genes on chromosome 14. The protein encoded by this gene is a 120 kDa acute-phase glycoprotein produced primarily in the liver. ITIH4 is involved in liver development and stabilization of the extracellular matrix (ECM), and its expression is altered in liver disease.

Purity Greater than 85% as determined by SDS-PAGE.
Target Names ITIH4
Uniprot No. Q14624
Research Area others
Alternative Names 35 kDa inter-alpha-trypsin inhibitor heavy chain H4; gp120; H4P; IHRP; Inter-alpha-inhibitor heavy chain 4; Inter-alpha-trypsin inhibitor family heavy chain-related protein; Inter-alpha-trypsin inhibitor heavy chain H4; inter-alpha-trypsin inhibitor, heavy chain-like, 1; ITI heavy chain H4; ITI-HC4; ITIH4; ITIH4_HUMAN; ITIHL1; OTTHUMP00000197120; OTTHUMP00000197121; OTTHUMP00000213834; OTTHUMP00000213869; PK-120; PK120; Plasma kallikrein sensitive glycoprotein 120; PRO1851
Species Homo sapiens (Human)
Source Yeast
Expression Region 689-930aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 28.9 kDa
Protein Length Partial
Tag Info N-terminal 6xHis-tagged
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer Tris-based buffer,50% glycerol
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time 3-7 business days
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Background

Type II acute-phase protein (APP) involved in inflammatory responses to trauma. May also play a role in liver development or regeneration.
Gene References into Functions
  1. Low ITIH4 expression is associated with Hepatocellular Carcinoma. PMID: 28828637
  2. this report has further supported for associations of genetic variants in the ITIH4 and CALN1 genes with schizophrenia and provided the first evidence that the variants regulate ITIH4 AND CALN1 expression in the dorsolateral prefrontal cortex PMID: 26991396
  3. ITIH4 peptide isoform as a preterm birth biomarker and its associated SNP implications PMID: 26408095
  4. Serum ITIH4 may be a PM10-specific biomarker in COPD and may be related to inflammation. PMID: 25977605
  5. Four novel body mass index-associated loci near the KCNQ1(rs2237892), ALDH2/MYL2 (rs671, rs12229654), ITIH4 (rs2535633) and NT5C2 (rs11191580) genes are identified in East Asian-ancestry populations. PMID: 24861553
  6. Worse survival among HCC patients with low ITIH4. PMID: 24836184
  7. Isoform-specific ITIH4 glycosylation and utilization of O-glycosylation sites on ITIH4 differs between cell lines and serum. PMID: 24884609
  8. Expression of the 85 kDa ITIH4 was substantial in amyotrophic lateral sclerosis compared with controls or patients with muscular dystrophy, Alzheimer diseases, or Parkinson diseases PMID: 23436019
  9. A truncated fragment of inter-alpha-trypsin inhibitor heavy chain 4 was the sole protein found to be significantly enhanced in the prostate cancer patients compared to the controls. PMID: 23417432
  10. Findings suggest that ITI-H4 expression may be used as a biomarker, which could facilitate the development of novel diagnostic and therapeutic tools. PMID: 21331437
  11. Genetic variation at ITIH4 locus is one of the likely candidate determinants for plasma cholesterol metabolisms PMID: 14661079
  12. ITIH4 and MTJ1 co-immunoprecipitate from total liver protein extracts and SANT domain of HTJ1 protects the ITIH4(588-930) recombinant fragment PMID: 16271702
  13. The inter-alpha-trypsin inhibitor heavy chain H4 (ITIH4) protein was significantly present more in interstial cystitis than controls PMID: 18455532
  14. ITIH4 is an anti-inflammatory protein, and suggests that further investigation into its potential use in the diagnosis and prognosis of acute ischemic stroke is warranted. PMID: 19263524

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Subcellular Location Secreted.
Protein Families ITIH family
Tissue Specificity Liver specific.
Database Links

HGNC: 6169

OMIM: 600564

KEGG: hsa:3700

STRING: 9606.ENSP00000266041

UniGene: Hs.709406

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