Structural Achievability of an NH–π Interaction between Gln and Phe in a Crystal Structure of a Collagen-like Peptide

NH–π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous proteins. In order to gain structural insights into side chain NH–π interactions, we solved a crystal structure of a collagen-like peptide c...

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Published inBiomolecules (Basel, Switzerland) Vol. 12; no. 10; p. 1433
Main Authors Zhang, Ruixue, Xu, You, Lan, Jun, Fan, Shilong, Huang, Jing, Xu, Fei
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.10.2022
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Abstract NH–π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous proteins. In order to gain structural insights into side chain NH–π interactions, we solved a crystal structure of a collagen-like peptide containing Gln-Phe pairs. The Gln-Phe NH–π interactions were further characterized by quantum calculations, molecular simulations, and structural bioinformatics. The analyses indicated that the NH–π interactions are robust under various solvent conditions, can be distributed either on the protein surface or in its hydrophobic core and can form at a wide range of distances between residues. This study suggested that NH–π interactions can play a versatile role in protein design, including engineering hydrophobic cores, solvent accessible surfaces, and protein–protein interfaces.
AbstractList NH–π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous proteins. In order to gain structural insights into side chain NH–π interactions, we solved a crystal structure of a collagen-like peptide containing Gln-Phe pairs. The Gln-Phe NH–π interactions were further characterized by quantum calculations, molecular simulations, and structural bioinformatics. The analyses indicated that the NH–π interactions are robust under various solvent conditions, can be distributed either on the protein surface or in its hydrophobic core and can form at a wide range of distances between residues. This study suggested that NH–π interactions can play a versatile role in protein design, including engineering hydrophobic cores, solvent accessible surfaces, and protein–protein interfaces.
NH-π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous proteins. In order to gain structural insights into side chain NH-π interactions, we solved a crystal structure of a collagen-like peptide containing Gln-Phe pairs. The Gln-Phe NH-π interactions were further characterized by quantum calculations, molecular simulations, and structural bioinformatics. The analyses indicated that the NH-π interactions are robust under various solvent conditions, can be distributed either on the protein surface or in its hydrophobic core and can form at a wide range of distances between residues. This study suggested that NH-π interactions can play a versatile role in protein design, including engineering hydrophobic cores, solvent accessible surfaces, and protein-protein interfaces.NH-π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous proteins. In order to gain structural insights into side chain NH-π interactions, we solved a crystal structure of a collagen-like peptide containing Gln-Phe pairs. The Gln-Phe NH-π interactions were further characterized by quantum calculations, molecular simulations, and structural bioinformatics. The analyses indicated that the NH-π interactions are robust under various solvent conditions, can be distributed either on the protein surface or in its hydrophobic core and can form at a wide range of distances between residues. This study suggested that NH-π interactions can play a versatile role in protein design, including engineering hydrophobic cores, solvent accessible surfaces, and protein-protein interfaces.
Audience Academic
Author Lan, Jun
Fan, Shilong
Xu, You
Huang, Jing
Xu, Fei
Zhang, Ruixue
AuthorAffiliation 1 Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, Wuxi 214122, China
3 Westlake AI Therapeutics Lab, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
2 Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China
4 Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
AuthorAffiliation_xml – name: 2 Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, China
– name: 1 Ministry of Education Key Laboratory of Industrial Biotechnology, School of Biotechnology, Jiangnan University, Wuxi 214122, China
– name: 4 Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
– name: 3 Westlake AI Therapeutics Lab, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
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  fullname: Xu, You
– sequence: 3
  fullname: Lan, Jun
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  fullname: Fan, Shilong
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  fullname: Huang, Jing
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CitedBy_id crossref_primary_10_1021_acscatal_3c02629
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Snippet NH–π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous...
NH-π interactions between polar and aromatic residues are well distributed in proteins whose stabilizing effects have been investigated in globular and fibrous...
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SubjectTerms Bioinformatics
Collagen
Crystal structure
Crystals
Data collection
Energy
Glutamine
Hydrophobicity
Interfaces
Molecular dynamics
NH–π interactions
Peptides
Phenylalanine
Physiological aspects
Protein engineering
Proteins
quantum chemistry
side chain interactions
Software
Solvents
Structure
X-ray crystallography
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Title Structural Achievability of an NH–π Interaction between Gln and Phe in a Crystal Structure of a Collagen-like Peptide
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https://pubmed.ncbi.nlm.nih.gov/PMC9599227
https://doaj.org/article/d95e9857912d4e3a8ac5f1c4877e403e
Volume 12
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