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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F01%3A00004707%21RIV%2F2004%2FMSM%2F223404%2FN
rdf:type
n16:Vysledek skos:Concept
dcterms:description
Noncovalent interactions of poly(L-ly-sine) (PL), oligopeptides L-lysyl-L-alanyl-L-alanine and (L-lysyl-L-alanyl-L-alanine)2-- with meso-tetrakis(4-sulfonatophenyl)porphine (TPPS), and poly(L-glutamic acid) (PLGA) with meso-tetrakis(1-methyl-4-pyridyl)porphine tetra-p-tosylate (TMPyP) in aqueous solutions have been studied using combination of spectroscopic methods: Vibrational circular dichroism (VCD) spectroscopy in the mid-IR re-gion provides a direct informa-tion on conformational changes of the polypeptides and oligopeptides caused by interactions with porphyrins; UV-VIS absorption, fluorescence and electronic circular dichroism (ECD) reveal the aggregation characterization of the porphyrin part of the complexes. Interactions of TPPS with tripeptide, hexapeptide or PL containing about ten amino acid residues in the molecular chain are accompanied with the changes of VCD patterns in the amide I region. In these cases, conformation of the oligopeptide part of complexes is obviously influenced by i Noncovalent interactions of poly(L-ly-sine) (PL), oligopeptides L-lysyl-L-alanyl-L-alanine and (L-lysyl-L-alanyl-L-alanine)2-- with meso-tetrakis(4-sulfonatophenyl)porphine (TPPS), and poly(L-glutamic acid) (PLGA) with meso-tetrakis(1-methyl-4-pyridyl)porphine tetra-p-tosylate (TMPyP) in aqueous solutions have been studied using combination of spectroscopic methods: Vibrational circular dichroism (VCD) spectroscopy in the mid-IR re-gion provides a direct informa-tion on conformational changes of the polypeptides and oligopeptides caused by interactions with porphyrins; UV-VIS absorption, fluorescence and electronic circular dichroism (ECD) reveal the aggregation characterization of the porphyrin part of the complexes. Interactions of TPPS with tripeptide, hexapeptide or PL containing about ten amino acid residues in the molecular chain are accompanied with the changes of VCD patterns in the amide I region. In these cases, conformation of the oligopeptide part of complexes is obviously influenced by i
dcterms:title
Noncovalent interactions of peptides with porphyrins in aqueous solution: Conformational study using vibrational CD spectroscopy Noncovalent interactions of peptides with porphyrins in aqueous solution: Conformational study using vibrational CD spectroscopy
skos:prefLabel
Noncovalent interactions of peptides with porphyrins in aqueous solution: Conformational study using vibrational CD spectroscopy Noncovalent interactions of peptides with porphyrins in aqueous solution: Conformational study using vibrational CD spectroscopy
skos:notation
RIV/60461373:22340/01:00004707!RIV/2004/MSM/223404/N
n3:strany
307;316
n3:aktivita
n4:Z
n3:aktivity
Z(MSM 223400008)
n3:cisloPeriodika
4
n3:dodaniDat
n13:2004
n3:domaciTvurceVysledku
n6:6625657 n6:6564844 n6:2796546
n3:druhVysledku
n17:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
688934
n3:idVysledku
RIV/60461373:22340/01:00004707
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Vibrational CD; infrared; UV-visible absorption; fluorescence; spectroscopy; conformation; interaction; chiral; tetraphenylporphyrin; oligopeptide; L-lysine; L-glutamic acid
n3:klicoveSlovo
n9:infrared n9:fluorescence n9:UV-visible%20absorption n9:Vibrational%20CD n9:chiral n9:tetraphenylporphyrin n9:conformation n9:interaction n9:spectroscopy n9:L-glutamic%20acid n9:L-lysine n9:oligopeptide
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[8690C3575687]
n3:nazevZdroje
Biopolymers
n3:obor
n11:CB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n13:2001
n3:svazekPeriodika
60
n3:tvurceVysledku
Setnička, Vladimír Urbanová, Marie Král, Vladimír Volka, Karel
n3:zamer
n15:MSM%20223400008
s:issn
0006-3525
s:numberOfPages
10
n18:organizacniJednotka
22340