4qh3

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

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.[1]

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[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
2 reviews cite this structure
Preclinical Advances in Theranostics for the Different Molecular Subtypes of Breast Cancer.
Fang et al. (2021)
1 more
15 other articles
No citations found

See Also

References

  1. ↑ delCardayre SB, Ribo M, Yokel EM, Quirk DJ, Rutter WJ, Raines RT. Engineering ribonuclease A: production, purification and characterization of wild-type enzyme and mutants at Gln11. Protein Eng. 1995 Mar;8(3):261-73. PMID:7479688
  2. ↑ Messori L, Marzo T, Michelucci E, Russo Krauss I, Navarro-Ranninger C, Quiroga AG, Merlino A. Interactions between Anticancer trans-Platinum Compounds and Proteins: Crystal Structures and ESI-MS Spectra of Two Protein Adducts of trans-(Dimethylamino)(methylamino)dichloridoplatinum(II). Inorg Chem. 2014 Jul 15. PMID:25025479 doi:http://dx.doi.org/10.1021/ic5012583

Contents


PDB ID 4qh3

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OCA

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