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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1988-12-20
pubmed:databankReference
pubmed:abstractText
The N-terminal sequence of HPLC-purified protein L23 from the Methanococcus vannielii ribosome has been determined by automated liquid-phase Edman degradation. Using the N-terminal amino acid sequence, an oligonucleotide probe complementary to the 5'-end of the gene was synthesized. The 26-mer oligonucleotide, containing two inosines, was used for hybridization with digested M. vannielii chromosomal DNA. The hybridizing band from HpaII-digested genomic DNA was ligated into pUC18 to yield plasmid pMvaZ1 containing the entire gene of protein L23. The nucleotide sequence complemented the partial amino acid sequence, and the gene codes for a protein of 9824 Da. The amino acid sequence of protein L23 form M. vannielii was compared to that of ribosomal proteins from other archaebacteria as well as from eubacteria and eukaryotes. The number of identical amino acids is highest when the M. vannielii protein is compared to the homologous protein from yeast and lowest vs that from tobacco chloroplasts. Interestingly, the secondary structures of the proteins as predicted by computer programs are more conserved than the primary structures.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0014-5793
pubmed:author
pubmed:issnType
Print
pubmed:day
7
pubmed:volume
239
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
313-8
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Sequence of the gene for ribosomal protein L23 from the archaebacterium Methanococcus vannielii.
pubmed:affiliation
Max-Planck-Institut für Molekulare Genetik, Abteilung Wittmann, Berlin-Dahlem, Germany.
pubmed:publicationType
Journal Article