2dwf

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==NMR structure of Mini-B, an N-terminal- C-terminal construct from human Surfactant Protein B (SP-B), in Sodium dodecyl sulfate (SDS) micelles==
==NMR structure of Mini-B, an N-terminal- C-terminal construct from human Surfactant Protein B (SP-B), in Sodium dodecyl sulfate (SDS) micelles==
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<StructureSection load='2dwf' size='340' side='right' caption='[[2dwf]], [[NMR_Ensembles_of_Models | 15 NMR models]]' scene=''>
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<StructureSection load='2dwf' size='340' side='right'caption='[[2dwf]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2dwf]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DWF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2DWF FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2dwf]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DWF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2DWF FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2a2h|2a2h]], [[1rg3|1rg3]], [[1rg4|1rg4]]</td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 15 models</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2dwf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2dwf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2dwf RCSB], [http://www.ebi.ac.uk/pdbsum/2dwf PDBsum]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2dwf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2dwf OCA], [https://pdbe.org/2dwf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2dwf RCSB], [https://www.ebi.ac.uk/pdbsum/2dwf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2dwf ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/PSPB_HUMAN PSPB_HUMAN]] Defects in SFTPB are the cause of pulmonary surfactant metabolism dysfunction type 1 (SMDP1) [MIM:[http://omim.org/entry/265120 265120]]; also called pulmonary alveolar proteinosis due to surfactant protein B deficiency. A rare lung disorder due to impaired surfactant homeostasis. It is characterized by alveolar filling with floccular material that stains positive using the periodic acid-Schiff method and is derived from surfactant phospholipids and protein components. Excessive lipoproteins accumulation in the alveoli results in severe respiratory distress.<ref>PMID:7491219</ref> Genetic variations in SFTPB are a cause of susceptibility to respiratory distress syndrome in premature infants (RDS) [MIM:[http://omim.org/entry/267450 267450]]. RDS is a lung disease affecting usually premature newborn infants. It is characterized by deficient gas exchange, diffuse atelectasis, high-permeability lung edema and fibrin-rich alveolar deposits called 'hyaline membranes'. Note=A variation Ile to Thr at position 131 influences the association between specific alleles of SFTPA1 and respiratory distress syndrome in premature infants.<ref>PMID:11063734</ref>
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[https://www.uniprot.org/uniprot/PSPB_HUMAN PSPB_HUMAN] Defects in SFTPB are the cause of pulmonary surfactant metabolism dysfunction type 1 (SMDP1) [MIM:[https://omim.org/entry/265120 265120]; also called pulmonary alveolar proteinosis due to surfactant protein B deficiency. A rare lung disorder due to impaired surfactant homeostasis. It is characterized by alveolar filling with floccular material that stains positive using the periodic acid-Schiff method and is derived from surfactant phospholipids and protein components. Excessive lipoproteins accumulation in the alveoli results in severe respiratory distress.<ref>PMID:7491219</ref> Genetic variations in SFTPB are a cause of susceptibility to respiratory distress syndrome in premature infants (RDS) [MIM:[https://omim.org/entry/267450 267450]. RDS is a lung disease affecting usually premature newborn infants. It is characterized by deficient gas exchange, diffuse atelectasis, high-permeability lung edema and fibrin-rich alveolar deposits called 'hyaline membranes'. Note=A variation Ile to Thr at position 131 influences the association between specific alleles of SFTPA1 and respiratory distress syndrome in premature infants.<ref>PMID:11063734</ref>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PSPB_HUMAN PSPB_HUMAN]] Pulmonary surfactant-associated proteins promote alveolar stability by lowering the surface tension at the air-liquid interface in the peripheral air spaces. SP-B increases the collapse pressure of palmitic acid to nearly 70 millinewtons per meter.
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[https://www.uniprot.org/uniprot/PSPB_HUMAN PSPB_HUMAN] Pulmonary surfactant-associated proteins promote alveolar stability by lowering the surface tension at the air-liquid interface in the peripheral air spaces. SP-B increases the collapse pressure of palmitic acid to nearly 70 millinewtons per meter.
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Booth, V]]
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[[Category: Homo sapiens]]
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[[Category: Keough, K M.W]]
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[[Category: Large Structures]]
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[[Category: Sarker, M]]
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[[Category: Booth V]]
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[[Category: Waring, A J]]
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[[Category: Keough KMW]]
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[[Category: Lipid associated protein]]
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[[Category: Sarker M]]
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[[Category: Mini-b]]
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[[Category: Waring AJ]]
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[[Category: Sp-b]]
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[[Category: Surface active protein]]
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[[Category: Surfactant protein b]]
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Current revision

NMR structure of Mini-B, an N-terminal- C-terminal construct from human Surfactant Protein B (SP-B), in Sodium dodecyl sulfate (SDS) micelles

PDB ID 2dwf

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