Organism
Rhizobium meliloti (strain 1021)
Function
Decomposes hydrogen peroxide into water and oxygen; serves to protect cells from the toxic effects of hydrogen peroxide. Could protect cells in nodules which have a high potential to produce hydrogen peroxide because of the strong reducing conditions required for nitrogen fixation and the action of several proteins.
Similarity
Belongs to the catalase family. HPII subfamily.
Sequence
MAKKPSAPNNTKPATIHDQKATRGNGGELHQIAEGDTPVLTTAQGGPVADDQNSLRAGERGPTLIEDFHFREKIFHFDHERIPERVVHARGYGVHGFFETYESLAAYTRADLFQRPGERTPAFVRFSTVAGSKGSFDLARDVRGFAVKIYTKEGNWDLVGNNIPVFFIQDAIKFPDVIHSVKPEPDREFPQAQSAHDNFWDFISLTPESMHMIMWVMSDRAIPRSFRFMEGFGVHTFRFVNAKDESTFVKFHWKPKLGLQSVVWNEAVKINGADPDFHRRDMWQAIQSGNFPEWDLHVQLFDQDFADKFDFDILDPTKIIPEEVLPTKPVGRLVLDRMPENFFAETEQVAFMTQNVPPGIDFSDDPLLQGRNFSYLDTQLKRLGSPNFTHLPINAPKCPFQHFQQDGHMAMRNPVGRVNYQPNSWGEGPRESPMKGFRHFPSEEQGPKLRIRAESFADHYSQARQFFISQTPPEQRHIADALTFELSKVETPVIRERMVAHLLNIDETLGKKVGHALGLETMPKPADAAVATRQDLDPSPALSIIQRGPKRFEGRKLGILATDGADGALLDALIAAVEKEKAAFELIAPKVGGFTASDGKRIAAHQMLDGGPSVLYDAVVLLPSAEAVTDLIDVATARDFVADAFAHCKYIGYAGAAVPLLERAGIAELLDEGTIELTDAASAAAFLTEIGKLRVWGREPSVKLK