4ju5 | pdb_00004ju5

Crystal structure of the dimeric form of the bb' domains of human protein disulfide isomerase

spinqualitylabelsall models 4ju5, resolution 2.28Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4ju5 is a 2 chain structure with sequence from Human. Full crystallographic information is available from OCA. Gene: P4HB, ERBA2L, PDI, PDIA1, PO4DB (HUMAN) Activity: Glucokinase, with EC number 2.7.1.2 Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed Protein disulfide isomerases (PDIs) are responsible for catalyzing the proper oxidation and isomerization of disulfide bonds of newly synthesized proteins in the endoplasmic reticulum (ER). Here, it is shown that human PDI (PDIA1) dimerizes in vivo and proposed that the dimerization of PDI has physiological relevance by autoregulating its activity. The crystal structure of the dimeric form of noncatalytic bb' domains of human PDIA1 determined to 2.3 A resolution revealed that the formation of dimers occludes the substrate binding site and may function as a mechanism to regulate PDI activity in the ER. Structural insight into the dimerization of human protein disulfide isomerase.,Bastos-Aristizabal S, Kozlov G, Gehring K Protein Sci. 2014 Feb 18. doi: 10.1002/pro.2444. PMID:24549644 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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