On the structural characterization of InAs/GaSb type-II superlattices: The effect of interfaces for fixed layer thicknesses

2013 ◽  
Vol 548 ◽  
pp. 288-291 ◽  
Author(s):  
Bulent Arikan ◽  
Guven Korkmaz ◽  
Yusuf Eren Suyolcu ◽  
Bulent Aslan ◽  
Ugur Serincan
Keyword(s):  
Structural Characterization ◽  
Type Ii ◽  
Fixed Layer ◽  
Type Ii Superlattices

Structural characterization of hexameric shell proteins from two types of choline-utilization bacterial microcompartments

2021 ◽  
Vol 77 (9) ◽  
Author(s):  
Jessica M. Ochoa ◽  
Oscar Mijares ◽  
Andrea A. Acosta ◽  
Xavier Escoto ◽  
Nancy Leon-Rivera ◽  
...  
Keyword(s):  
Structural Characterization ◽  
Building Blocks ◽  
Type I ◽  
Type Ii ◽  
Protein Subunits ◽  
Bacterial Microcompartments ◽  
Bacterial Microcompartment ◽  
Glycyl Radical ◽  
Shell Proteins

Bacterial microcompartments are large supramolecular structures comprising an outer proteinaceous shell that encapsulates various enzymes in order to optimize metabolic processes. The outer shells of bacterial microcompartments are made of several thousand protein subunits, generally forming hexameric building blocks based on the canonical bacterial microcompartment (BMC) domain. Among the diverse metabolic types of bacterial microcompartments, the structures of those that use glycyl radical enzymes to metabolize choline have not been adequately characterized. Here, six structures of hexameric shell proteins from type I and type II choline-utilization microcompartments are reported. Sequence and structure analysis reveals electrostatic surface properties that are shared between the four types of shell proteins described here.

Design, growth, and characterization of GaAs/AlAs type-II superlattices

2002 ◽  
Author(s):  
Xiaodong Mu ◽  
Yujie J. Ding ◽  
Jacob B. Khurgin ◽  
Xiaojun Wang ◽  
Junping Zhang ◽  
...  
Keyword(s):  
Type Ii ◽  
Type Ii Superlattices
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