Results 41 to 50 of about 1,606,399 (268)

The metal binding site of zoocin A [PDF]

JBIC Journal of Biological Inorganic Chemistry, 2008
Direct metal analysis of the bacteriolytic exoenzyme zoocin A failed to unequivocally identify a putative metal cofactor; hence, indirect experiments utilizing NMR were undertaken to settle this question. Cd(2+) as a surrogate metal ion was reconstituted into EDTA-treated, metal-free recombinant zoocin, and (113)Cd-NMR was employed to explore binding ...
Yinghua, Chen, Robin S, Simmonds, Gary L, Sloan, Russell, Timkovich   +3 more
openaire   +2 more sources

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

Prediction of Functional Sites in SCOP Domains using Dynamics Perturbation Analysis

, 2008
Dynamics perturbation analysis (DPA) finds regions in a protein structure where proteins are "ticklish", i.e., where interactions cause a large change in protein dynamics.
Michael E. Wall, Dengming Ming, Judith D. Cohn   +2 more
core   +1 more source

Differentiation-dependent glycosylation of cells in squamous cell epithelia detected by a mammalian lectin [PDF]

, 2002
The squamous stratified epithelia contain a proliferative (harboring mitotic activity) and a differentiating compartment. Due to the potential of protein-carbohyd rate interactions to regulate cellular activities we introduced a mammalian lectin to cyto-
Holíkova, Zuzana, Kaltner, Herbert, Motlik, Jan, Gabius, Hans-Joachim, Plzák, Jan, Smetana, Karel, Hercogová, Jana, Dvorankova, Barbora   +7 more
core   +1 more source

Plant Hormone Binding Sites [PDF]

Annals of Botany, 2004
Receptors for plant hormones are becoming identified with increasing rapidity, although a frustrating number remain unknown. There have also been many more hormone-binding proteins described than receptors. This Botanical Briefing summarizes what has been discovered about hormone binding sites, their discovery and descriptions, and will not dwell on ...
openaire   +2 more sources

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source

Backbone dynamics of complement control protein (CCP) modules reveals mobility in binding surfaces

, 2004
The regulators of complement activation (RCA) are critical to health and disease because their role is to ensure that a complement-mediated immune response to infection is proportionate and targeted.
Krystyna Bromek, Uhrin, D, O'Leary, JM, Xuefeng Wang, Stanislava Uhrinova, Joanne M. O'Leary, Black, GM, Wang, XF, Malgorzata Krych, John P. Atkinson, Uhrinova, S, Dusan Uhrin, Atkinson, JP, Gordon M. Black, Krych, M, Schmitz, C, Paul N. Barlow, Bromek, K, Barlow, PN, Christian Schmitz   +19 more
core   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

Proteolysis of insulin-like growth factor binding proteins (IGFBPs) by calpain [PDF]

, 2005
Calpains are non-lysosomal, Ca2+-dependent cysteine proteases, which are ubiquitously distributed across cell types and vertebrate species. The rules that govern calpain specificity have not yet been determined.
Mann, Karlheinz, Mann, K., Ghosh, M., Machleidt, W., Machleidt, Werner, Siwanowicz, I., Ghosh, Madhumita, Holak, Tad A., Holak, T. A., Holak, T., Siwanowicz, Igor, Shanker, Sreejesh, Shanker, S.   +12 more
core   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source