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Overview

StatusReference proteome
Proteins1,906
Proteome IDiUP000001430
Taxonomy167546 - Prochlorococcus marinus (strain MIT 9301)
StrainMIT 9301
Last modifiedFebruary 27, 2018
Genome assembly and annotationi GCA_000015965.1 from ENA/EMBL
Pan proteomei This proteome is part of the Prochlorococcus marinus (strain MIT 9301) pan proteome (fasta)

Prochlorococcus, a fairly recently discovered cyanobacterium (1988), is the smallest known free-living photosynthetic prokaryote. Despite its small size it contributes significantly to global nutrient cycling. It is unique among cyanobacteria in using divinyl chlorophyll a and b as the major light-harvesting pigments, and harvests light with chlorophyll-binding antenna proteins (Pcb proteins) instead of the phycobilisomes used by most cyanobacteria. It is found in low- to mid-latitude oceans and seas, thriving in nutrient-poor waters and at greater depths than its close relative Synechococcus (down to 135m for Prochlorococcus, but only 95m for Synechococcus). Prochlorococcus can be differentiated into low-light (LL) and high-light (HL)-adapted ecotypes that have different physiologies and exist at different depths. Comparison of 12 whole genomes suggests the core genome contains about 1250 genes, while the pan-genome will have more than 5800 genes. This HL-adapted strain of was isolated from the Sargasso Sea at 90m depth in July 1993. It has a low chlorophyll b/a ratio (0.42) and belongs to low chlorophyll b/a clade II.

Componentsi

DownloadView all proteins
Component nameGenome Accession(s)
Proteins
Chromosome1906

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