Related ArticlesA sequential HNCA NMR pulse sequence for protein backbone assignment.
J Magn Reson. 2001 May;150(1):100-4
Authors: Meissner A, Sørensen OW
The conventional HNCA pulse sequence suffers from the ambiguity that it cannot distinguish inter- and intraresidue correlations because the one-bond and two-bond J(NC(alpha)) coupling constants are of similar magnitude. This paper presents a novel pulse sequence, sequential HNCA, that leads to a spectrum exhibiting exclusively interresidue correlations. This important sequential information has so far usually been obtained by an HN(CO)CA experiment that for medium field strengths typically also is more sensitive than HNCA. However, for increasing static magnetic fields the chemical shift anisotropy relaxation mechanism of carbonyl carbons becomes more and more efficient, leading to a degradation of the HN(CO)CA sensitivity. Hence there is a point where the sequential HNCA experiment becomes the most sensitive option for sequential N-C(alpha) correlation.
High dimensional and high resolution pulse sequences for backbone resonance assignment of intrinsically disordered proteins
High dimensional and high resolution pulse sequences for backbone resonance assignment of intrinsically disordered proteins
Abstract Four novel 5D (HACA(N)CONH, HNCOCACB, (HACA)CON(CA)CONH, (H)NCO(NCA)CONH), and one 6D ((H)NCO(N)CACONH) NMR pulse sequences are proposed. The new experiments employ non-uniform sampling that enables achieving high resolution in indirectly detected dimensions. The experiments facilitate resonance assignment of intrinsically disordered proteins. The novel pulse sequences were successfully tested using δ subunit (20 kDa) of Bacillus subtilis RNA polymerase...
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02-21-2012 03:40 AM
[NMR paper] 3D TROSY-HNCA(coded)CB and TROSY-HNCA(coded)CO experiments: triple resonance NMR expe
3D TROSY-HNCA(coded)CB and TROSY-HNCA(coded)CO experiments: triple resonance NMR experiments with two sequential connectivity pathways and high sensitivity.
Related Articles 3D TROSY-HNCA(coded)CB and TROSY-HNCA(coded)CO experiments: triple resonance NMR experiments with two sequential connectivity pathways and high sensitivity.
J Biomol NMR. 2004 Mar;28(3):289-94
Authors: Ritter C, Lührs T, Kwiatkowski W, Riek R
The concept of chemical shift-coding monitors chemical shifts in multi-dimensional NMR experiments without additional polarization...
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11-24-2010 09:25 PM
[NMR paper] Assignment of amide proton signals by combined evaluation of HN, NN and HNCA MAS-NMR
Assignment of amide proton signals by combined evaluation of HN, NN and HNCA MAS-NMR correlation spectra.
Related Articles Assignment of amide proton signals by combined evaluation of HN, NN and HNCA MAS-NMR correlation spectra.
J Biomol NMR. 2003 Mar;25(3):217-23
Authors: van Rossum BJ, Castellani F, Pauli J, Rehbein K, Hollander J, de Groot HJ, Oschkinat H
In this paper, we present a strategy for the (1)H(N) resonance assignment in solid-state magic-angle spinning (MAS) NMR, using the alpha-spectrin SH3 domain as an example. A novel 3D...
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11-24-2010 09:01 PM
[NMR paper] Sequential HNCACB and CBCANH protein NMR pulse sequences.
Sequential HNCACB and CBCANH protein NMR pulse sequences.
Related Articles Sequential HNCACB and CBCANH protein NMR pulse sequences.
J Magn Reson. 2001 Aug;151(2):328-31
Authors: Meissner A, Sørensen OW
The pulse sequences HNCACB and CBCANH correlating side chain C(beta) resonances with amide resonances in the protein backbone do not distinguish between inter- and intraresidue correlations. The new pulse sequences sequential HNCACB and sequential CBCANH make this distinction by suppressing coherence transfer between 13C(alpha) and 15N via the...
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11-19-2010 08:44 PM
[NMR paper] 1H NMR studies of the mercuric ion binding protein MerP: sequential assignment, secon
1H NMR studies of the mercuric ion binding protein MerP: sequential assignment, secondary structure and global fold of oxidized MerP.
Related Articles 1H NMR studies of the mercuric ion binding protein MerP: sequential assignment, secondary structure and global fold of oxidized MerP.
J Biomol NMR. 1993 Nov;3(6):613-26
Authors: Eriksson PO, Sahlman L
The oxidized form of the mercuric ion binding protein MerP has been studied by two-dimensional NMR. MerP, which is a periplasmic water-soluble protein with 72 amino acids, is involved in the...
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08-22-2010 03:01 AM
[NMR paper] Sequential assignment of the backbone nuclei (1H, 15N and 13C) of c-H-ras p21 (1-166)
Sequential assignment of the backbone nuclei (1H, 15N and 13C) of c-H-ras p21 (1-166).GDP using a novel 4D NMR strategy.
Related Articles Sequential assignment of the backbone nuclei (1H, 15N and 13C) of c-H-ras p21 (1-166).GDP using a novel 4D NMR strategy.
J Biomol NMR. 1992 Nov;2(6):639-46
Authors: Campbell-Burk SL, Domaille PJ, Starovasnik MA, Boucher W, Laue ED
The c-H-ras p21 protein is the product of the human ras proto-oncogene, a member of a ubiquitous eukaryotic gene family which is highly conserved in evolution. These proteins play...
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08-21-2010 11:45 PM
hnCOcaNH and hncoCANH pulse sequences for rapid and unambiguous backbone assignment i
hnCOcaNH and hncoCANH pulse sequences for rapid and unambiguous backbone assignment in (13C, 15N) labeled proteins
Publication year: 2010
Source: Journal of Magnetic Resonance, In Press, Accepted Manuscript, Available online 30 June 2010</br>
Dinesh, Kumar , Jithender G, Reddy , Ramakrishna V., Hosur</br>
Time-saving in data acquisition is a major thrust of NMR pulse sequence development in the context of structural proteomics research. The conventional HNCA and HN(CA)CO pulse sequences, routinely used for sequential backbone assignment, have the limitation that they cannot...
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08-16-2010 03:50 AM
Sequential Assignment of a proteing sequence
hi,
I am new to the protein NMR Field.I want to assign spin numbers to 120 amonoacid residues of a protein.I am cluless how to assign these number to each.Could anyone help me? Here is the primary sequence of a protein domain-
ISLLAQRQQF WIQLEFHSRI TRGERHGVID HVGLGVQSQQ RSNGFLTSLC ILRPHYASLS LALEKAQLHS LLCEETDGEG TLEYGFMGQV KSRFTDLSRP NLFCRHLGQL LPLLRVCRDV
I am expecing your help.Could any one do it on some software program and send to me in my email pkp08@yahoo.com.Thank you.