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| Cong,Lina; Liang,Wenjing; Wu,Yao; Li,Cheng; Chang,Yihai; Dong,Liang; Song,Wanlin; Ma,Jun. |
| Background The sea cucumber lysozyme belongs to the family of invertebrate lysozymes and is thought to be a key defense factor in protecting aquaculture animals against bacterial infection. Recently, evidence was found that the sea cucumber lysozyme exerts broad spectrum antimicrobial action in vitro against Gram-negative and Gram-positive bacteria, and it also has more potent antimicrobial activity independent of its enzymatic activity. To explore the antimicrobial role of this non-enzymatic lysozyme and model its structure to novel antimicrobial peptides, the peptide from the C-terminal amino acid residues 70-146 of the sea cucumber lysozyme in Stichopus japonicus (SjLys-C) was heterologously expressed in Escherichia coli Rosetta(DE3)pLysS. Results The... |
| Tipo: Journal article |
Palavras-chave: Affinity purification; Lysozyme peptide; Molecular modeling; Recombinant protein. |
| Ano: 2014 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000600005 |
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| Ramana Gopavajhula,V.; Viswanatha Chaitanya,K.; Akbar Ali Khan,P.; Shaik,Jilani P.; Narasimha Reddy,P.; Alanazi,Mohammad. |
| Superoxide dismutase (SOD, EC 1.15.1.1) is an important metal-containing antioxidant enzyme that provides the first line of defense against toxic superoxide radicals by catalyzing their dismutation to oxygen and hydrogen peroxide. SOD is classified into four metalloprotein isoforms, namely, Cu/Zn SOD, Mn SOD, Ni SOD and Fe SOD. The structural models of soybean SOD isoforms have not yet been solved. In this study, we describe structural models for soybean Cu/Zn SOD, Mn SOD and Fe SOD and provide insights into the molecular function of this metal-binding enzyme in improving tolerance to oxidative stress in plants. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amino acid analysis; Model evaluation; Molecular modeling; Phylogenetic analysis; Superoxide dismutase (SOD). |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572013000200013 |
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