The Enzyme Database

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EC 3.6.3.50     
Accepted name: protein-secreting ATPase
Reaction: ATP + H2O = ADP + phosphate
Systematic name: ATP phosphohydrolase (protein-secreting)
Comments: A non-phosphorylated, non-ABC (ATP-binding cassette) ATPase that is involved in protein transport. There are several families of enzymes included here, e.g. ATP-hydrolysing enzymes of the general secretory pathway (Sec or Type II), of the virulence-related secretory pathway (Type III) and of the conjugal DNA-protein transfer pathway (Type IV). Type II enzymes occur in bacteria, archaea and eucarya, whereas type III and type IV enzymes occur in bacteria where they form components of a multi-subunit complex.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Saier, M.H., Jr. , Tam. R., Reizer, A. and Reizer, J. Two novel families of bacterial membrane proteins concerned with nodulation, cell division and transport. Mol. Microbiol. 11 (1994) 841–847. [PMID: 8022262]
2.  Mecsas, J. and Strauss, E.J. Molecular mechanisms of bacterial virulence: type III secretion and pathogenicity islands. Emerg. Infect. Diseases. 2 (1996) 270–288. [PMID: 8969244]
3.  Thomas, J.D., Reeves, P.J. and Salmond, G.P. The general secretion pathway of Erwinia carotovora subsp. carotovora: analysis of the membrane topology of OutC and OutF. Microbiology 143 (1997) 713–720. [PMID: 9084158]
4.  Baker, B., Zambryski, P., Staskawicz, B. and Dinesh-Kumar, S.P. Signaling in plant-microbe interactions. Science 276 (1997) 726–733. [PMID: 9115193]
5.  Martinez, A., Ostrovsky, P. and Nunn, D.N. Identification of an additional member of the secretin superfamily of proteins in Pseudomonas aeruginosa that is able to function in type II protein secretion. Mol. Microbiol. 28 (1998) 1235–1246. [PMID: 9680212]
6.  Schuch, R. and Maurelli, A.T. The mxi-Spa type III secretory pathway of Shigella flexneri requires an outer membrane lipoprotein, MxiM, for invasin translocation. Infect. Immun. 67 (1999) 1982–1991. [PMID: 10085046]
[EC 3.6.3.50 created 2000]
 
 


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