The nucleotide sequence of the third dnaK homolog gene from Synechococcus sp. PCC7942 has been determined. Deduced amino acid sequences of dnaK3 and of previously reported dnaK1 and dnaK2 were compared with Hsp70s from various species. Among the three DnaK homologs, DnaK2 shows close relationship to chloroplast proteins and DnaK3 also has some similarities to them. On the other hand, DnaK1 has few chloroplast-specific motifs and forms a deep branch of the prokaryotic cluster in the phylogenetic tree. (C) 1994 Academic Press, Inc
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Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Cheng, Huimin
Dai, Guozheng
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Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Dai, Guozheng
Yu, Lan
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Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Yu, Lan
Zhong, Xueping
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Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Zhong, Xueping
Juneau, Philippe
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Univ Quebec, Dept Sci Biol TOXEN, Canada Res Chair Ecotoxicol Aquat Microorganisms, Montreal, PQ H3C 3P8, CanadaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China
Juneau, Philippe
Qiu, Baosheng
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Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Coll Life Sci, Wuhan 430079, Hubei, Peoples R China