plastocyaninn.
/ˌplastə(ʊ)ˈsʌɪənɪn/, U.S. /ˌplæstoʊˈsaɪənən/ Biochemistry.
A blue copper-containing protein (differing slightly from species to species) which is found in the chloroplasts of green plants and in certain bacteria, and is involved in electron transfer during photosynthesis.
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the world > life > biology > substance > proteins > [noun]
casein1838
albuminoid1855
xanthoglobulin1868
myochrome1872
xanthoprotein1883
histone1885
globulose1886
phaseolin1893
leucosin1894
nucleohistone1894
nucleon1895
mucoid1898
protone1898
mucinoid1902
myohaemoglobin1906
nucleoprotamine1911
cytozyme1914
leaf protein1917
cytochrome1925
mucoprotein1925
myoglobin1925
flavoprotein1934
oxymyoglobin1935
ferritin1937
lipovitellin1942
arthropodin1947
trypticase1947
erythropoietin1948
phosvitin1948
opsin1951
orosomucoid1955
metallothionein1960
plastocyanin1961
aequorin1962
ferredoxin1962
LDL1962
fetoprotein1964
thioredoxin1964
actinin1965
adrenodoxin1965
lactoferrin1965
myoglobulin1965
rubredoxin1965
uniporter1967
miraculin1968
nexin1970
bacteriorhodopsin1971
molybdoprotein1971
monellin1972
cytokine1974
ankyrin1975
clathrin1975
electromorph1975
tau1975
uniport1975
microtrabecula1976
porin1976
osteocalcin1977
calmodulin1978
monokine1978
PCNA1978
vimentin1978
interleukin1979
laminin1979
titin1979
villin1979
cyclin1981
triskele1981
acumentin1982
perforin1983
statin1985
activin1986
addressin1988
synuclein1988
chemokine1992
1961 A. Katoh & S. Takamiya in Nature 25 Feb. 665/2 In view of its localization in the chloroplasts and its characteristic blue colour in the oxidized form, the name ‘plastocyanin’ is proposed for this copper protein.
1966 Plant Physiol. 41 1641/1 From its absorption spectrum, the plastocyanin of C. reinhardi resembles the plastocyanin of spinach.
1976 Nature 27 May 344/2 The ‘small blue proteins’—azurins from bacteria, plastocyanins from photosynthetic cells.
1988 L. Stryer Biochem. (ed. 3) xxii. 525 The Fe-S center participates directly in the reduction of plastocyanin.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1961