Plasminogen

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{{STRUCTURE_1qrz| PDB=1qrz | SIZE=400| SCENE= |right|CAPTION=Human plasmin catalytic domain tetramer, [[1qrz]] }}
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<StructureSection load='4dur' size='350' side='right' caption='Human glycosylated plasminogen complex with acetate, bicarbonate, K+ and Cl- ions (PDB entry [[4dur]])' scene=''>
== Function ==
== Function ==
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'''Plasmin''' (PLN) is a serine protease which is involved in degradation of fibrin clots. PLN is released as the zymogen '''plasminogen''' (PLG) which is converted to the active PLN by a variety of enzymes. PLN cleavage produces angiostatin. PLN domains are: N-terminal, C-terminal serine protease catalytic domain and 5 kringle domains of ca. 80 residues. The kringle domain folds into a large loop containing 3 disulfide bonds. The kringle domain is important in protein-protein interaction with blood coagulation factors.
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'''Plasmin''' (PLN) is a serine protease which is involved in degradation of fibrin clots. PLN is released as the zymogen '''plasminogen''' (PLG) which is converted to the active PLN by a variety of enzymes. PLN cleavage produces angiostatin.
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*'''Microplasmin''' induces posterior vitreous detachment from the retina (PVD)<ref>PMID:21099453</ref>.
== Disease ==
== Disease ==
PLN mutations are associated with ligneous conjunctivitis and other disorders which lead to development of pseudo membranes on mucosal surfaces<ref>PMID:19141167</ref>.
PLN mutations are associated with ligneous conjunctivitis and other disorders which lead to development of pseudo membranes on mucosal surfaces<ref>PMID:19141167</ref>.
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== Structural highlights ==
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PLN contains 7 domains are: N-terminal, C-terminal serine protease catalytic domain and 5 kringle domains of ca. 80 residues. The kringle domain folds into a large loop containing 3 disulfide bonds. The kringle domain is important in protein-protein interaction with blood coagulation factors.<ref>PMID:22832192</ref>.
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</StructureSection>
== 3D Structures of plasminogen ==
== 3D Structures of plasminogen ==
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*Plasminogen
*Plasminogen
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**[[4dur]], [[4duu]], [[4a5t]] – hPLG 2
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**[[4dur]], [[4duu]], [[4a5t]] – hPLG 2 - human
*Plasminogen kringle 1
*Plasminogen kringle 1
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**[[1pkr]] - hPLG kringle 1 – human<BR />
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**[[1pkr]] - hPLG kringle 1 <BR />
**[[1cea]] - hPLG kringle 1 + e-aminocaprioic acid<BR />
**[[1cea]] - hPLG kringle 1 + e-aminocaprioic acid<BR />
**[[1hpj]], [[1hpk]] - hPLG kringle 1 + 6-aminohexanoic acid - NMR<BR />
**[[1hpj]], [[1hpk]] - hPLG kringle 1 + 6-aminohexanoic acid - NMR<BR />

Revision as of 09:56, 4 July 2016

Human glycosylated plasminogen complex with acetate, bicarbonate, K+ and Cl- ions (PDB entry 4dur)

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3D Structures of plasminogen

Updated on 04-July-2016

References

  1. Goldenberg DT, Giblin FJ, Cheng M, Chintala SK, Trese MT, Drenser KA, Ruby AJ. Posterior vitreous detachment with microplasmin alters the retinal penetration of intravitreal bevacizumab (Avastin) in rabbit eyes. Retina. 2011 Feb;31(2):393-400. doi: 10.1097/IAE.0b013e3181e586b2. PMID:21099453 doi:http://dx.doi.org/10.1097/IAE.0b013e3181e586b2
  2. Mehta R, Shapiro AD. Plasminogen deficiency. Haemophilia. 2008 Nov;14(6):1261-8. doi: 10.1111/j.1365-2516.2008.01825.x. PMID:19141167 doi:http://dx.doi.org/10.1111/j.1365-2516.2008.01825.x
  3. Law RH, Caradoc-Davies T, Cowieson N, Horvath AJ, Quek AJ, Encarnacao JA, Steer D, Cowan A, Zhang Q, Lu BG, Pike RN, Smith AI, Coughlin PB, Whisstock JC. The X-ray crystal structure of full-length human plasminogen. Cell Rep. 2012 Mar 29;1(3):185-90. doi: 10.1016/j.celrep.2012.02.012. Epub 2012, Mar 8. PMID:22832192 doi:10.1016/j.celrep.2012.02.012

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