4qh3

X-ray structure of the adduct formed between bovine pancreatic ribonuclease and trans-dimethylamine methylamine dichlorido platinum(II)

spinqualitylabelsall models 4qh3, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4qh3 is a 2 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: X-ray diffraction, Resolution 2Å Ligands: I83 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RNAS1_BOVIN Endonuclease that catalyzes the cleavage of RNA on the 3' side of pyrimidine nucleotides. Acts on single stranded and double stranded RNA. Publication Abstract from PubMed The adducts formed between trans-(dimethylamino)(methylamino)dichloridoplatinum(II), [t-PtCl2(dma)(ma)], and two model proteins, i.e., hen egg white lysozyme and bovine pancreatic ribonuclease, were independently characterized by X-ray crystallography and electrospray ionization mass spectrometry. In these adducts, the PtII center, upon chloride release, coordinates either to histidine or aspartic acid residues while both alkylamino ligands remain bound to the metal. Comparison with the cisplatin derivatives of the same proteins highlights for [t-PtCl2(dma)(ma)] a kind of biomolecular metalation remarkably different from that of cisplatin. Interactions between Anticancer trans-Platinum Compounds and Proteins: Crystal Structures and ESI-MS Spectra of Two Protein Adducts of trans-(Dimethylamino)(methylamino)dichloridoplatinum(II).,Messori L, Marzo T, Michelucci E, Russo Krauss I, Navarro-Ranninger C, Quiroga AG, Merlino A Inorg Chem. 2014 Jul 15. PMID:25025479 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Ribonuclease 3D structures

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