User profiles for Sandra Macedo-Ribeiro

Sandra Macedo Ribeiro

Biomolecular Structure and Function Group, i3S
Verified email at ibmc.up.pt
Cited by 4698

[HTML][HTML] Biochemical and biophysical characterization of recombinant yeast proteasome maturation factor Ump1

…, RJ Dohmen, PC Ramos, S Macedo-Ribeiro - Computational and …, 2013 - Elsevier
Protein degradation is essential for maintaining cellular homeostasis. The proteasome is
the central enzyme responsible for non-lysosomal protein degradation in eukaryotic cells. …

Human β-tryptase is a ring-like tetramer with active sites facing a central pore

PJB Pereira, A Bergner, S Macedo-Ribeiro, R Huber… - Nature, 1998 - nature.com
Human tryptase, a mast-cell-specific serine proteinase that may be involved in causing
asthma and other allergic and inflammatory disorders 1 , 2 , 3 , is unique in two respects: it is …

DisProt 7.0: a major update of the database of disordered proteins

…, E Leonardi, T Lazar, S Macedo-Ribeiro… - Nucleic acids …, 2017 - academic.oup.com
The Database of Protein Disorder (DisProt, URL: www.disprot.org ) has been significantly
updated and upgraded since its last major renewal in 2007. The current release holds …

Crystal structures of the membrane-binding C2 domain of human coagulation factor V

S Macedo-Ribeiro, W Bode, R Huber, MA Quinn-Allen… - Nature, 1999 - nature.com
Rapid and controlled clot formation is achieved through sequential activation of circulating
serine proteinase precursors on phosphatidylserine-rich procoagulant membranes of …

DisProt: intrinsic protein disorder annotation in 2020

…, E Leonardi, S Macedo-Ribeiro… - Nucleic acids …, 2020 - academic.oup.com
The Database of Protein Disorder (DisProt, URL: https://disprot.org ) provides manually curated
annotations of intrinsically disordered proteins from the literature. Here we report recent …

[HTML][HTML] Isolation, cloning and structural characterisation of boophilin, a multifunctional Kunitz-type proteinase inhibitor from the cattle tick

S Macedo-Ribeiro, C Almeida, BM Calisto, T Friedrich… - PLoS …, 2008 - journals.plos.org
Inhibitors of coagulation factors from blood-feeding animals display a wide variety of structural
motifs and inhibition mechanisms. We have isolated a novel inhibitor from the cattle tick …

[HTML][HTML] Heterologous Expression of the Vanadium-containing Chloroperoxidase from Curvularia inaequalis in Saccharomyces cerevisiae and Site-directed …

W Hemrika, R Renirie, S Macedo-Ribeiro… - Journal of biological …, 1999 - ASBMB
The vanadium-containing chloroperoxidase from the fungus Curvularia inaequalis is
heterologously expressed to high levels in the yeast Saccharomyces cerevisiae. Characterization …

DisProt in 2022: improved quality and accessibility of protein intrinsic disorder annotation

…, E Leonardi, S Longhi, S Macedo-Ribeiro… - Nucleic acids …, 2022 - academic.oup.com
The Database of Intrinsically Disordered Proteins (DisProt, URL: https://disprot.org ) is the
major repository of manually curated annotations of intrinsically disordered proteins and …

[PDF][PDF] Small structural changes account for the high thermostability of 1 [4Fe–4S] ferredoxin from the hyperthermophilic bacterium Thermotoga maritima

S Macedo-Ribeiro, B Darimont, R Sterner, R Huber - Structure, 1996 - cell.com
Background The characterization of the structural features that account for the high
thermostability of some proteins is of great scientific and biotechnological interest. Proteins from …

Structure of human biliverdin IXβ reductase, an early fetal bilirubin IXβ producing enzyme

PJB Pereira, S Macedo-Ribeiro, A Parraga… - Nature structural …, 2001 - nature.com
Biliverdin IXβ reductase (BVR-B) catalyzes the pyridine nucleotide-dependent production of
bilirubin-IXβ, the major heme catabolite during early fetal development. BVR-B displays a …