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. 2017 Apr 20;8:672. doi: 10.3389/fmicb.2017.00672

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Copyright © 2017 Chen, Wang, Chen, Zhang, Wang, Goraya, Chi, Na, Shao, Yang, Zeng, Chen and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Analysis of chicken and duck IFITM1 and IFITM3 proteins. (A) IFITM sequences were aligned using MUSCLE software. Five domains in each sequence alignment were highlighted with different colors: N-terminal domain (NTD), intramembrane domain (IMD), conserved intracellular loop (CIL), transmembrane domain (TMD), and C-terminal domain (CTD). Gray background indicated amino acid identity. (B) A maximum-likelihood tree was generated between chicken/duck IFITM1, 3 amino acid sequences, and other species using MEGA 5.0 software. Bootstrap analysis was performed with 1000 trials. Black circle (•): chicken/duck IFITM1, 3 amino acid sequences deposited in the Genbank database with accession numbers by our lab.