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Titolo:
PRIMARY STRUCTURE, DEDUCED FROM CDNA, SECONDARY STRUCTURE-ANALYSIS AND CONCLUSIONS CONCERNING INTERACTION SURFACES OF THE DELTA-SUBUNIT OF THE PHOTOSYNTHETIC ATP-SYNTHASE (EC 3.6.1.34) FROM MILLET (SORGHUM-BICOLOR) AND MAIZE (ZEA-MAYS)
Autore:
HOESCHE JA; BERZBORN RJ;
Indirizzi:
RUHR UNIV BOCHUM,FAC BIOL,DEPT BIOCHEM PLANTS,POB 102148 W-4630 BOCHUM 1 GERMANY RUHR UNIV BOCHUM,FAC BIOL,DEPT BIOCHEM PLANTS,POB 102148 W-4630 BOCHUM 1 GERMANY
Titolo Testata:
Biochimica et biophysica acta
fascicolo: 3, volume: 1142, anno: 1993,
pagine: 293 - 305
SICI:
0006-3002(1993)1142:3<293:PSDFCS>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHLOROPLAST COUPLING FACTOR; TRANSLOCATING ADENOSINE-TRIPHOSPHATASE; FACTOR-I; NUCLEOTIDE-SEQUENCE; ESCHERICHIA-COLI; THYLAKOID MEMBRANE; GLOBULAR PROTEINS; GAMMA-SUBUNIT; UNC OPERON; GENES;
Keywords:
ANTIBODY; PHOTOPHOSPHORYLATION; RECONSTITUTION; SEQUENCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
74
Recensione:
Indirizzi per estratti:
Citazione:
J.A. Hoesche e R.J. Berzborn, "PRIMARY STRUCTURE, DEDUCED FROM CDNA, SECONDARY STRUCTURE-ANALYSIS AND CONCLUSIONS CONCERNING INTERACTION SURFACES OF THE DELTA-SUBUNIT OF THE PHOTOSYNTHETIC ATP-SYNTHASE (EC 3.6.1.34) FROM MILLET (SORGHUM-BICOLOR) AND MAIZE (ZEA-MAYS)", Biochimica et biophysica acta, 1142(3), 1993, pp. 293-305

Abstract

Lambdagt11 cDNA clones for the nuclear-encoded subunit delta of the chloroplast ATP-synthase from Zea mays and Sorghum bicolor were sequenced. The processing site for S. bicolor delta was established, and the sequence of the mature subunit delta from Z. mays was completed by N-terminal sequencing of the proteins isolated from chloroplasts. Only five amino acids are identical and not more than 16% conservatively exchanged in all sequences of delta subunits from higher plants and the corresponding proteins from alga, bacteria and mitochondria (OSCP) available. In binary comparison the comparatively high conservation of hydrophilic residues indicates the importance of the surface of delta. Thedegree in identities of surface residues correlates with the capacityin hybrid reconstitution of photophosphorylation. A hypothetical secondary structure model for a typical delta subunit can be deduced from prediction algorithms. Three putative amphipathic alpha helices and anantiparallel amphipathic beta sheet seem to be conserved. These common secondary structure features should be significant for the function of the delta subunit of F0F1 ATPases.

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Documento generato il 20/10/20 alle ore 05:57:21