4eea

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{{STRUCTURE_4eea| PDB=4eea | SCENE= }}
 
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===Crystal structure of human M340H-beta-1,4-galactosyltransferase-1 (M340H-B4GAL-T1) in complex with GLCNAC-BETA1,6-Gal-Beta1,4-Glc-BETA===
 
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{{ABSTRACT_PUBMED_022740701}}
 
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==Disease==
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==Crystal structure of human M340H-beta-1,4-galactosyltransferase-1 (M340H-B4GAL-T1) in complex with GLCNAC-BETA1,6-Gal-Beta1,4-Glc-BETA==
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[[http://www.uniprot.org/uniprot/B4GT1_HUMAN B4GT1_HUMAN]] Defects in B4GALT1 are the cause of congenital disorder of glycosylation type 2D (CDG2D) [MIM:[http://omim.org/entry/607091 607091]]. CDGs are a family of severe inherited diseases caused by a defect in protein N-glycosylation. They are characterized by under-glycosylated serum proteins. These multisystem disorders present with a wide variety of clinical features, such as disorders of the nervous system development, psychomotor retardation, dysmorphic features, hypotonia, coagulation disorders, and immunodeficiency. The broad spectrum of features reflects the critical role of N-glycoproteins during embryonic development, differentiation, and maintenance of cell functions.
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<StructureSection load='4eea' size='340' side='right'caption='[[4eea]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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==Function==
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<table><tr><td colspan='2'>[[4eea]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EEA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EEA FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/B4GT1_HUMAN B4GT1_HUMAN]] The Golgi complex form catalyzes the production of lactose in the lactating mammary gland and could also be responsible for the synthesis of complex-type N-linked oligosaccharides in many glycoproteins as well as the carbohydrate moieties of glycolipids. The cell surface form functions as a recognition molecule during a variety of cell to cell and cell to matrix interactions, as those occurring during development and egg fertilization, by binding to specific oligosaccharide ligands on opposing cells or in the extracellular matrix.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=UDP:URIDINE-5-DIPHOSPHATE'>UDP</scene></td></tr>
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==About this Structure==
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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=4eea FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4eea OCA], [https://pdbe.org/4eea PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4eea RCSB], [https://www.ebi.ac.uk/pdbsum/4eea PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4eea ProSAT]</span></td></tr>
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[[4eea]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EEA OCA].
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/B4GT1_HUMAN B4GT1_HUMAN] Defects in B4GALT1 are the cause of congenital disorder of glycosylation type 2D (CDG2D) [MIM:[https://omim.org/entry/607091 607091]. CDGs are a family of severe inherited diseases caused by a defect in protein N-glycosylation. They are characterized by under-glycosylated serum proteins. These multisystem disorders present with a wide variety of clinical features, such as disorders of the nervous system development, psychomotor retardation, dysmorphic features, hypotonia, coagulation disorders, and immunodeficiency. The broad spectrum of features reflects the critical role of N-glycoproteins during embryonic development, differentiation, and maintenance of cell functions.
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== Function ==
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[https://www.uniprot.org/uniprot/B4GT1_HUMAN B4GT1_HUMAN] The Golgi complex form catalyzes the production of lactose in the lactating mammary gland and could also be responsible for the synthesis of complex-type N-linked oligosaccharides in many glycoproteins as well as the carbohydrate moieties of glycolipids. The cell surface form functions as a recognition molecule during a variety of cell to cell and cell to matrix interactions, as those occurring during development and egg fertilization, by binding to specific oligosaccharide ligands on opposing cells or in the extracellular matrix.
==See Also==
==See Also==
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*[[Galactosyltransferase|Galactosyltransferase]]
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*[[Glycosyltransferase 3D structures|Glycosyltransferase 3D structures]]
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Qasba, P K.]]
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[[Category: Large Structures]]
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[[Category: Ramakrishnan, B.]]
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[[Category: Qasba PK]]
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[[Category: Enzyme-carbohydrate complex]]
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[[Category: Ramakrishnan B]]
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[[Category: Glycosyltransferase]]
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[[Category: Gt-a fold]]
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[[Category: Transferase]]
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[[Category: Udp-galactose]]
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Current revision

Crystal structure of human M340H-beta-1,4-galactosyltransferase-1 (M340H-B4GAL-T1) in complex with GLCNAC-BETA1,6-Gal-Beta1,4-Glc-BETA

PDB ID 4eea

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