7QPW: Ribonuclease pancreatic

X-ray structure of the adduct obtained upon reaction of [cis-Rh2(OCOCH3)2(OCOCF3)2] with RNase A (1). Determined by X-ray diffraction at 1.15 Å resolution. Released 16 Mar 2022.

Method
X-ray diffraction
Resolution
1.15 Å
Organism
Bos taurus
Chains
2
Atoms
2,598
Mol. weight
28.66 kDa
Ligands
F5I, F3I, F5T
Released
16 Mar 2022

Explore 7QPW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7QPW contains 8 α-helices and 20 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains AAA and BBB: 4 helices, 10 β-strands

ElementResiduesLengthSheet
α-helix4-129
β-strand1311
α-helix25-328
β-strand43-4751
α-helix51-555
α-helix56-594
β-strand61-6332
β-strand72-7432
β-strand79-8681
β-strand9113
β-strand9413
β-strand97-10481
β-strand106-11162
β-strand116-12382

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ribonuclease pancreaticAAA, BBBprotein124Bos taurusP61823 (AlphaFold model)
Sequence of entity 1 (AAA, BBB), FASTA
>7QPW_1 Ribonuclease pancreatic (chains AAA, BBB)
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQ
KNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHF
DASV

Ligands and cofactors

IDNameFormulaCopies
F5Icis-bis(mi2-acetato-O, O')-tetraaquo-dirhodium(II)C4 H14 O8 Rh21
F3I(mi2-acetato-O, O')-hexaaquo-dirhodium (II)C2 H15 O8 Rh21
F5Tcis-bis(mi2-acetato-O, O')-(mi2-trifluoroacetato-O, O')-diaquo-dirhodium (II)C6 H10 F3 O8 Rh21

Primary citation

Reactivity of a fluorine-containing dirhodium tetracarboxylate compound with proteins. Loreto, D., Esposito, A., Demitri, N. et al. Dalton Trans (2022) 51:3695-3705. DOI 10.1039/d2dt00082b · PubMed

Other PDB entries of the same protein (UniProt P61823 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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