Azurocidin 1

AZU1
Available structures
PDB	Human UniProt search: PDBe RCSB
List of PDB id codes
	1A7S, 1AE5, 1FY1, 1FY3
Identifiers
Aliases	AZU1, AZAMP, AZU, CAP37, HBP, HUMAZUR, NAZC, hHBP, azurocidin 1
External IDs	HomoloGene: 74404 GeneCards: AZU1
Gene location (Human)
Chr.	Chromosome 19 (human)[1]
End	832,018 bp[1]
RNA expression pattern
	More reference expression data
Gene ontology
Molecular function	• heparin binding; • peptidase activity; • protein binding; • heparan sulfate proteoglycan binding; • toxic substance binding; • serine-type endopeptidase activity;
Cellular component	• membrane; • azurophil granule; • azurophil granule membrane; • extracellular exosome; • extrinsic component of membrane; • extracellular region; • extracellular space; • azurophil granule lumen;
Biological process	• positive regulation of MHC class II biosynthetic process; • positive regulation of phagocytosis; • positive regulation of tumor necrosis factor biosynthetic process; • negative regulation of apoptotic process; • protein kinase C signaling; • microglial cell activation; • proteolysis; • positive regulation of fractalkine biosynthetic process; • induction of positive chemotaxis; • monocyte activation; • chemotaxis; • regulation of vascular permeability; • positive regulation of gene expression; • macrophage chemotaxis; • protein kinase C-activating G-protein coupled receptor signaling pathway; • defense response to bacterium; • positive regulation of peptidyl-threonine phosphorylation; • neutrophil mediated killing of bacterium; • defense response to Gram-negative bacterium; • cell chemotaxis; • cellular extravasation; • inflammatory response; • calcium-mediated signaling using intracellular calcium source; • positive regulation of interleukin-1 beta biosynthetic process; • glial cell migration; • positive regulation of cell adhesion; • positive regulation of protein kinase activity; • neutrophil degranulation;
	Sources:Amigo / QuickGO
Orthologs
	566
	n/a
	ENSG00000278624; ENSG00000172232
	n/a
	P20160
	n/a
	NM_001700
	n/a
	NP_001691
	n/a
	Wikidata
View/Edit Human

Azurocidin also known as cationic antimicrobial protein CAP37 or heparin-binding protein (HBP) is a protein that in humans is encoded by the AZU1 gene.^[3]^[4]

Function

Azurophil granules, specialized lysosomes of the neutrophil, contain at least 10 proteins implicated in the killing of microorganisms. The protein encoded by this gene is an azurophil granule antimicrobial protein, with monocyte chemotactic and antibacterial activity. It is also an important multifunctional inflammatory mediator. This encoded protein is a member of the serine protease gene family but it is not a serine proteinase, because the active site serine and histidine residues are replaced. The genes encoding this protein, neutrophil elastase 2, and proteinase 3 are in a cluster located at chromosome 19pter. All 3 genes are expressed coordinately and their protein products are packaged together into azurophil granules during neutrophil differentiation.^[4]

Clinical significance

In patients with fever, high plasma levels of HBP indicates that the patient is at high risk of developing sepsis with circulatory collapse.^[5]

References

1 2 3 ENSG00000172232 GRCh38: Ensembl release 89: ENSG00000278624, ENSG00000172232 - Ensembl, May 2017
↑ "Human PubMed Reference:".
↑ Morgan JG, Sukiennicki T, Pereira HA, Spitznagel JK, Guerra ME, Larrick JW (Nov 1991). "Cloning of the cDNA for the serine protease homolog CAP37/azurocidin, a microbicidal and chemotactic protein from human granulocytes". J Immunol. 147 (9): 3210–4. PMID 1919011.
1 2 "Entrez Gene: AZU1 azurocidin 1 (cationic antimicrobial protein 37)".
↑ Linder A, Christensson B, Herwald H, Björck L, Akesson P (October 2009). "Heparin-binding protein: an early marker of circulatory failure in sepsis". Clin. Infect. Dis. 49 (7): 1044–50. doi:10.1086/605563. PMID 19725785.

External links

Human AZU1 genome location and AZU1 gene details page in the UCSC Genome Browser.

Morgan JG, Pereira HA, Sukiennicki T, et al. (1992). "Human neutrophil granule cationic protein CAP37 is a specific macrophage chemotaxin that shares homology with inflammatory proteinases". Adv. Exp. Med. Biol. 305: 89–96. doi:10.1007/978-1-4684-6009-4_11. PMID 1755383.
Watorek W (2004). "Azurocidin -- inactive serine proteinase homolog acting as a multifunctional inflammatory mediator". Acta Biochim. Pol. 50 (3): 743–52. PMID 14515154.
Zimmer M, Medcalf RL, Fink TM, et al. (1992). "Three human elastase-like genes coordinately expressed in the myelomonocyte lineage are organized as a single genetic locus on 19pter". Proc. Natl. Acad. Sci. U.S.A. 89 (17): 8215–9. doi:10.1073/pnas.89.17.8215. PMC 49888. PMID 1518849.
Green BG, Weston H, Ashe BM, et al. (1991). "PMN elastases: a comparison of the specificity of human isozymes and the enzyme from other species toward substrates and inhibitors". Arch. Biochem. Biophys. 286 (1): 284–92. doi:10.1016/0003-9861(91)90042-H. PMID 1897955.
Flodgaard H, Ostergaard E, Bayne S, et al. (1991). "Covalent structure of two novel neutrophile leucocyte-derived proteins of porcine and human origin. Neutrophile elastase homologues with strong monocyte and fibroblast chemotactic activities". Eur. J. Biochem. 197 (2): 535–47. doi:10.1111/j.1432-1033.1991.tb15942.x. PMID 2026172.
Almeida RP, Melchior M, Campanelli D, et al. (1991). "Complementary DNA sequence of human neutrophil azurocidin, an antibiotic with extensive homology to serine proteases". Biochem. Biophys. Res. Commun. 177 (2): 688–95. doi:10.1016/0006-291X(91)91843-2. PMID 2049091.
Pohl J, Pereira HA, Martin NM, Spitznagel JK (1990). "Amino acid sequence of CAP37, a human neutrophil granule-derived antibacterial and monocyte-specific chemotactic glycoprotein structurally similar to neutrophil elastase". FEBS Lett. 272 (1–2): 200–4. doi:10.1016/0014-5793(90)80484-Z. PMID 2226832.
Campanelli D, Detmers PA, Nathan CF, Gabay JE (1990). "Azurocidin and a homologous serine protease from neutrophils. Differential antimicrobial and proteolytic properties". J. Clin. Invest. 85 (3): 904–15. doi:10.1172/JCI114518. PMC 296509. PMID 2312733.
Pereira HA, Shafer WM, Pohl J, et al. (1990). "CAP37, a human neutrophil-derived chemotactic factor with monocyte specific activity". J. Clin. Invest. 85 (5): 1468–76. doi:10.1172/JCI114593. PMC 296594. PMID 2332502.
Wilde CG, Snable JL, Griffith JE, Scott RW (1990). "Characterization of two azurphil granule proteases with active-site homology to neutrophil elastase". J. Biol. Chem. 265 (4): 2038–41. PMID 2404977.
Pereira HA, Spitznagel JK, Pohl J, et al. (1990). "CAP 37, a 37 kD human neutrophil granule cationic protein shares homology with inflammatory proteinases". Life Sci. 46 (3): 189–96. doi:10.1016/0024-3205(90)90104-Y. PMID 2406527.
Gabay JE, Scott RW, Campanelli D, et al. (1989). "Antibiotic proteins of human polymorphonuclear leukocytes". Proc. Natl. Acad. Sci. U.S.A. 86 (14): 5610–4. doi:10.1073/pnas.86.14.5610. PMC 297672. PMID 2501794.
Pereira HA, Erdem I, Pohl J, Spitznagel JK (1993). "Synthetic bactericidal peptide based on CAP37: a 37-kDa human neutrophil granule-associated cationic antimicrobial protein chemotactic for monocytes". Proc. Natl. Acad. Sci. U.S.A. 90 (10): 4733–7. doi:10.1073/pnas.90.10.4733. PMC 46587. PMID 8506327.
Chertov O, Michiel DF, Xu L, et al. (1996). "Identification of defensin-1, defensin-2, and CAP37/azurocidin as T-cell chemoattractant proteins released from interleukin-8-stimulated neutrophils". J. Biol. Chem. 271 (6): 2935–40. doi:10.1074/jbc.271.6.2935. PMID 8621683.
Iversen LF, Kastrup JS, Bjørn SE, et al. (1997). "Structure of HBP, a multifunctional protein with a serine proteinase fold". Nat. Struct. Biol. 4 (4): 265–8. doi:10.1038/nsb0497-265. PMID 9095193.
Karlsen S, Iversen LF, Larsen IK, et al. (1998). "Atomic resolution structure of human HBP/CAP37/azurocidin". Acta Crystallogr. D. 54 (Pt 4): 598–609. doi:10.1107/S0907444997016193. PMID 9761855.
Olofsson AM, Vestberg M, Herwald H, et al. (1999). "Heparin-binding protein targeted to mitochondrial compartments protects endothelial cells from apoptosis". J. Clin. Invest. 104 (7): 885–94. doi:10.1172/JCI6671. PMC 408551. PMID 10510329.
Lindmark A, Garwicz D, Rasmussen PB, et al. (1999). "Characterization of the biosynthesis, processing, and sorting of human HBP/CAP37/azurocidin". J. Leukoc. Biol. 66 (4): 634–43. PMID 10534120.

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[refGRCh38Ensembl-1] 1 2 3 ENSG00000172232 GRCh38: Ensembl release 89: ENSG00000278624, ENSG00000172232 - Ensembl, May 2017

[2] "Human PubMed Reference:".

[pmid1919011-3] Morgan JG, Sukiennicki T, Pereira HA, Spitznagel JK, Guerra ME, Larrick JW (Nov 1991). "Cloning of the cDNA for the serine protease homolog CAP37/azurocidin, a microbicidal and chemotactic protein from human granulocytes". J Immunol. 147 (9): 3210–4. PMID 1919011.

[entrez-4] 1 2 "Entrez Gene: AZU1 azurocidin 1 (cationic antimicrobial protein 37)".

[pmid19725785-5] Linder A, Christensson B, Herwald H, Björck L, Akesson P (October 2009). "Heparin-binding protein: an early marker of circulatory failure in sepsis". Clin. Infect. Dis. 49 (7): 1044–50. doi:10.1086/605563. PMID 19725785.

Azurocidin 1

Function

Clinical significance

References

External links

Further reading