Tan K, et al. (2008). "The crystal structure of an universal stress protein UspA family protein from Lactobacillus plantarum WCFS1". Protein Data Bank. doi:10.2210/pdb3fg9/pdb..
Sousa MC (2001). "Structure of Haemophylus influenzae Universal Stress Protein At 1.85A Resolution". Structure. 9: 1135–1141. doi:10.2210/pdb1jmv/pdb..
Schweikhard ES, et al. (2010). "Structure and function of the universal stress protein TeaD and its role in regulating the ectoine transporter TeaABC of Halomonas elongata DSM 2581(T)". Biochemistry. 49 (10): 2194–2204. doi:10.1021/bi9017522. PMID20113006..
Aravind L, et al. (2002). "Monophyly of class I aminoacyl tRNA synthetase, USPA, ETFP, photolyase, and PP-ATPase nucleotide-binding domains: implications for protein evolution in the RNA". Protein. 48 (1): 1–14. doi:10.1002/prot.10064. PMID12012333. S2CID32908067..
Schweikhard ES, et al. (2010). "Structure and function of the universal stress protein TeaD and its role in regulating the ectoine transporter TeaABC of Halomonas elongata DSM 2581(T)". Biochemistry. 49 (10): 2194–2204. doi:10.1021/bi9017522. PMID20113006..
Aravind L, et al. (2002). "Monophyly of class I aminoacyl tRNA synthetase, USPA, ETFP, photolyase, and PP-ATPase nucleotide-binding domains: implications for protein evolution in the RNA". Protein. 48 (1): 1–14. doi:10.1002/prot.10064. PMID12012333. S2CID32908067..
Aravind L, et al. (2002). "Monophyly of class I aminoacyl tRNA synthetase, USPA, ETFP, photolyase, and PP-ATPase nucleotide-binding domains: implications for protein evolution in the RNA". Protein. 48 (1): 1–14. doi:10.1002/prot.10064. PMID12012333. S2CID32908067..