BMRB Entry 17097

Title:
Electrochemical and NMR spectroscopic studies of distal pocket mutants of nitrophorin 2: Stablility, structure, and dynamics of axial ligand complexes
Deposition date:
2010-08-02
Original release date:
2010-11-10
Authors:
Shokhireva, Tatjana; Berry, Robert; Uno, Elizabeth; Balfour, Celia; Zhang, Hongjun; Walker, F.
Citation:

Citation: Shokhireva, Tatjana; Berry, Robert; Uno, Elizabeth; Balfour, Celia; Zhang, Hongjun; Walker, F.. "Electrochemical and NMR spectroscopic studies of distal pocket mutants of nitrophorin 2: Stability, structure, and dynamics of acial ligand complexes"  Proc. Natl. Acad. Sci. U.S.A. 100, 3778-3783 (2003).
PubMed: 12642672

Assembly members:

Assembly members:
NP2(L122V), polymer, 179 residues, Formula weight is not available
IMD, non-polymer, 69.085 Da.
2MZ, non-polymer, 82.104 Da.

Natural source:

Natural source:   Common Name: Rhodnius prolixus   Taxonomy ID: 13249   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Rhodnius prolixus

Experimental source:

Experimental source:   Production method: recombinant technology   Host organism: Escherichia coli   Vector: na

Data sets:
Data typeCount
kinetic rates2

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1NP2(L122V)1
2IMD2
32-METHYLIMIDAZOLE3

Entities:

Entity 1, NP2(L122V) 179 residues - Formula weight is not available

1   ASPCYSSERTHRASNILESERPROLYSGLN
2   GLYLEUASPLYSALALYSTYRPHESERGLY
3   LYSTRPTYRVALTHRHISPHELEUASPLYS
4   ASPPROGLNVALTHRASPGLNTYRCYSSER
5   SERPHETHRPROARGGLUSERASPGLYTHR
6   VALLYSGLUALALEUTYRHISTYRASNALA
7   ASNLYSLYSTHRSERPHETYRASNILEGLY
8   GLUGLYLYSLEUGLUSERSERGLYLEUGLN
9   TYRTHRALALYSTYRLYSTHRVALASPLYS
10   LYSLYSALAVALLEULYSGLUALAASPGLU
11   LYSASNSERTYRTHRLEUTHRVALLEUGLU
12   ALAASPASPSERSERALALEUVALHISILE
13   CYSVALARGGLUGLYSERLYSASPLEUGLY
14   ASPLEUTYRTHRVALLEUTHRHISGLNLYS
15   ASPALAGLUPROSERALALYSVALLYSSER
16   ALAVALTHRGLNALAGLYLEUGLNLEUSER
17   GLNPHEVALGLYTHRLYSASPLEUGLYCYS
18   GLNTYRASPASPGLNPHETHRSERLEU

Entity 2, IMD - C3 H5 N2 - 69.085 Da.

1   IMD

Entity 3, 2-METHYLIMIDAZOLE - C4 H6 N2 - 82.104 Da.

1   2MZ

Samples:

sample_1: NP23 – 6 mM; phosphate buffer 30 mM; IMD titrated mM; D2O 100%

sample_2: NP23 – 6 mM; phosphate buffer 30 mM; 2MZ 1 M; D2O 100%

sample_conditions_1: pH: 7.0; pressure: 1 atm; temperature: 296.65 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-13C HSQCsample_1isotropicsample_conditions_1
2D 1H-13C HSQCsample_2isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_2isotropicsample_conditions_1

Software:

HEME_METHYL_SHIFT_PATTERNS, na - heme methyl assignments

NMR spectrometers:

  • Bruker DRX 500 MHz

Related Database Links:

PDB
GB AAB09588 AAB41587
SP Q26241
AlphaFold Q26241