Bulk protonic conductivity in a cephalopod structural protein

DD Ordinario, L Phan, WG Walkup IV, JM Jocson… - Nature …, 2014 - nature.com
Proton-conducting materials play a central role in many renewable energy and bioelectronics
technologies, including fuel cells, batteries and sensors. Thus, much research effort has …

[PDF][PDF] Reconfigurable infrared camouflage coatings from a cephalopod protein

L Phan, WG Walkup IV, DD Ordinario… - Advanced …, 2013 - academia.edu
Over millions of years of evolution, nature has mastered the manipulation of light and color
through the controlled arrangement of nanoscale structures.[1–3] Structural color is …

GABARAP sequesters the FLCN-FNIP tumor suppressor complex to couple autophagy with lysosomal biogenesis

JM Goodwin, WG Walkup IV, K Hooper, T Li… - Science …, 2021 - science.org
Adaptive changes in lysosomal capacity are driven by the transcription factors TFEB and
TFE3 in response to increased autophagic flux and endolysosomal stress, yet the molecular …

A model for regulation by SynGAP-α1 of binding of synaptic proteins to PDZ-domain'Slots' in the postsynaptic density

WG Walkup IV, TL Mastro, LT Schenker, J Vielmetter… - Elife, 2016 - elifesciences.org
… To measure the effect of reduced synGAP levels on the proteins found at postsynaptic
densities, Walkup et al. used mice that had just one copy of the synGAP gene in their neurons. …

[HTML][HTML] Phosphorylation of synaptic GTPase-activating protein (synGAP) by Ca2+/calmodulin-dependent protein kinase II (CaMKII) and cyclin-dependent kinase 5 …

WG Walkup, L Washburn, MJ Sweredoski… - Journal of Biological …, 2015 - ASBMB
synGAP is a neuron-specific Ras and Rap GTPase-activating protein (GAP) found in high
concentrations in the postsynaptic density (PSD) fraction from the mammalian forebrain. We …

Infrared invisibility stickers inspired by cephalopods

…, DD Ordinario, E Karshalev, WG Walkup IV… - Journal of Materials …, 2015 - pubs.rsc.org
The skin morphology of cephalopods endows them with remarkable dynamic camouflage
capabilities. Cephalopod skin has therefore served as an inspiration for the design of …

De novo mapping of α-helix recognition sites on protein surfaces using unbiased libraries

…, S Agarwal, WG Walkup IV… - Proceedings of the …, 2022 - National Acad Sciences
The α-helix is one of the most common protein surface recognition motifs found in nature,
and its unique amide-cloaking properties also enable α-helical polypeptide motifs to exist in …

Denaturing purifications demonstrate that PRC2 and other widely reported chromatin proteins do not appear to bind directly to RNA in vivo

JK Guo, MR Blanco, WG Walkup, G Bonesteele… - Molecular Cell, 2024 - cell.com
Polycomb repressive complex 2 (PRC2) is reported to bind to many RNAs and has become
a central player in reports of how long non-coding RNAs (lncRNAs) regulate gene …

Production and electrical characterization of the reflectin A2 isoform from Doryteuthis (Loligo) pealeii

DD Ordinario, L Phan, WG Walkup IV, Y Van Dyke… - RSC …, 2016 - pubs.rsc.org
Cephalopods have recently emerged as a source of inspiration for the development of
novel functional materials. Within this context, a number of studies have explored structural …

Phosphorylation of synaptic GTPase-activating protein (synGAP) by polo-like kinase (Plk2) alters the ratio of its GAP activity toward HRas, Rap1 and Rap2 GTPases

WG Walkup IV, MJ Sweredoski, RL Graham… - Biochemical and …, 2018 - Elsevier
SynGAP is a Ras and Rap GTPase-activating protein (GAP) found in high concentration in
the postsynaptic density (PSD) fraction from mammalian forebrain where it binds to PDZ …