Species code:	METM5
Taxonomy:	Archaea; Euryarchaeota; Methanococci; Methanococcales; Methanococcaceae; Methanococcus (TaxID: 402880) [NEWT/ NCBI]
Description:	Methanococcus maripaludis (strain C5 / ATCC BAA-1333) is a motile, mesophilic (temperature optima of about 35-40 degrees Celsius and pH optimum for growth is between 6 and 8), obligately anaerobic archaeon of the phylum Euryarchaeota. It is a rapidly growing hydrogenotrophic methanoarchaeon common in salt marshes, marine and estuarine environments in the southeastern U.S.A. and probably elsewhere. It is obligately methanogenic; hydrogen and formate serve as electron donors, but acetate, alcohols including isopropanol and methylamines are not substrates for methanogenesis. All strains grow autotrophically in mineral medium. Amino acids and acetate are frequently stimulatory for growth. Nitrogen sources include ammonium, N2 gas and alanine. The ability to use alanine is distinctive for members of this species. Sulfur sources include sulfide and elemental sulfur. Storage materials include glycogen. M. maripaludis stands out among methanogenic archaea as an ideal model species because of fast reproducible growth and effective genetic tools.
Properties:	Presence of flagella: Yes Interaction: No Number of membranes: 1 Number of inteins:0
Statistics:	Number of METM5 entries in the UniProt Knowledgebase: 1821 (233 in UniProtKB/Swiss-Prot + 1588 in UniProtKB/TrEMBL)

Genome structure:	• Chromosome EMBL accession number CP000609 (circular; 1,780,761 bp) (download entry) (download Genome Reviews). • Plasmid pMMC501 EMBL accession number CP000610 (circular; 8,285 bp) (download entry) (download Genome Reviews).
Reference(s):	[1] Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Han C., Detter J.C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Richardson P. ; "Complete sequence of chromosome of Methanococcus maripaludis C5."; Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases. [2] Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Han C., Detter J.C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Richardson P. ; "Complete sequence of plasmid pMMC501 of Methanococcus maripaludis C5."; Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
Web links:	Official genome site(s): http://genome.jgi-psf.org/finished_microbes/metmc/metmc.home.html Other web sites: Entrez Genome Project: http://www.ncbi.nlm.nih.gov/sites/entrez?Db=genomeprj&cmd=ShowDetailView&TermToSearch=17641 GIB (DDBJ): http://gib.genes.nig.ac.jp/single/index.php?spid=Mmar_C5  EBI Proteome Analysis page

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