The Enzyme Database

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Accepted name: chloroplast protein-transporting ATPase
Reaction: ATP + H2O + chloroplast-protein[side 1] = ADP + phosphate + chloroplast-protein[side 2]
Systematic name: ATP phosphohydrolase (chloroplast protein-importing)
Comments: A non-phosphorylated, non-ABC (ATP-binding cassette) ATPase that is involved in protein transport. Involved in the transport of proteins or preproteins into chloroplast stroma (several ATPases may participate in this process).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Cline, K., Ettinger, N.F. and Theg, S.M. Protein-specific energy requirements for protein transport across or into thylakoid membranes. Two lumenal proteins are transported in the absence of ATP. J. Biol. Chem. 267 (1992) 2688–2696. [PMID: 1733965]
2.  Nakai, M., Goto, A., Nohara, T., Sugito, D. and Endo, T. Identification of the SecA protein homolog in pea chloroplasts and its possible involvement in thylakoidal protein transport. J. Biol. Chem. 269 (1994) 31338–33341. [PMID: 7989297]
3.  Scott, S.V. and Theg, S.M. A new chloroplast protein import intermediate reveals distinct translocation machineries in the two envelope membranes: energetics and mechanistic implications. J. Cell Biol. 132 (1996) 63–75. [PMID: 8567731]
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