7u5i

Cryo-EM Structure of Mitochondrial Creatine Kinase

spinqualitylabelsall models 7u5i, resolution 3.26Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7u5i is a 8 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 3.26Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function KCRU_BOVIN Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa (By similarity). Publication Abstract from PubMed The use of an integrated systems biology approach to investigate tissues and organs has been thought to be impracticable in the field of structural biology, where the techniques mainly focus on determining the structure of a particular biomacromolecule of interest. Here, we report the use of cryoelectron microscopy (cryo-EM) to define the composition of a raw bovine retinal pigment epithelium (RPE) lysate. From this sample, we simultaneously identify and solve cryo-EM structures of seven different RPE enzymes whose functions affect neurotransmitter recycling, iron metabolism, gluconeogenesis, glycolysis, axonal development, and energy homeostasis. Interestingly, dysfunction of these important proteins has been directly linked to several neurodegenerative disorders, including Huntington's disease, amyotrophic lateral sclerosis (ALS), Parkinson's disease, Alzheimer's disease, and schizophrenia. Our work underscores the importance of cryo-EM in facilitating tissue and organ proteomics at the atomic level. Toward structural-omics of the bovine retinal pigment epithelium.,Morgan CE, Zhang Z, Miyagi M, Golczak M, Yu EW Cell Rep. 2022 Dec 27;41(13):111876. doi: 10.1016/j.celrep.2022.111876. PMID:36577381 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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