BMRB Entry 27363

Title:
Biochemical and functional insights on the triheme cytochrome PpcA from Geobacter metallireducens
Deposition date:
2018-01-18
Original release date:
2018-03-07
Authors:
Portela, Pilar; Fernandes, Tomas; Dantas, Joana; Salgueiro, Carlos
Citation:

Citation: Portela, Pilar; Fernandes, Tomas; Dantas, Joana; Ferreira, Marisa; Laurents, Douglas; Salgueiro, Carlos. "Biochemical and functional insights on the triheme cytochrome PpcA from Geobacter metallireducens"  Arch. Biochem. Biophys. 644, 8-16 (2018).
PubMed: 29486160

Assembly members:

Assembly members:
PpcA_Polypeptide, polymer, 70 residues, Formula weight is not available
PROTOPORPHYRIN IX CONTAINING FE, non-polymer, 616.487 Da.

Natural source:

Natural source:   Common Name: Geobacter metallireducens   Taxonomy ID: 28232   Superkingdom: Bacteria   Kingdom: not available   Genus/species: Geobacter metallireducens

Experimental source:

Experimental source:   Production method: recombinant technology   Host organism: Escherichia coli   Vector: pCSGmet2902

Entity Sequences (FASTA):

Data sets:
Data typeCount
13C chemical shifts206
15N chemical shifts73
1H chemical shifts455

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1PpcA_Polypeptide1
2HEM, 12
3HEM, 22
4HEM, 32

Entities:

Entity 1, PpcA_Polypeptide 70 residues - Formula weight is not available

1   ALAASPGLULEUTHRPHELYSALALYSASN
2   GLYASPVALLYSPHEPROHISLYSLYSHIS
3   GLNGLNVALVALGLYASNCYSLYSLYSCYS
4   HISGLULYSGLYPROGLYLYSILEGLUGLY
5   PHEGLYLYSASPTRPALAHISLYSTHRCYS
6   LYSGLYCYSHISGLUGLUMETLYSLYSGLY
7   PROTHRLYSCYSGLYASPCYSHISLYSLYS

Entity 2, HEM, 1 - 616.487 Da.

1   HEM

Samples:

sample_1: PpcA_Polypeptide, [U-100% 13C; U-100% 15N], 1.5 mM; PpcA_HEM 1.5 mM; H2O 92%; D2O, [U-2H], 8%; sodium phosphate 45 mM; sodium chloride 100 mM

sample_2: PpcA_Polypeptide 1.5 mM; PpcA_HEM 1.5 mM; D2O, [U-2H], 8%; sodium phosphate 45 mM; sodium chloride 100 mM; H2O 92%

sample_conditions_1: ionic strength: 100 mM; pH: 7.1; pressure: 1 atm; temperature: 298 K

sample_conditions_2: ionic strength: 100 mM; pH: 7.1; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-15N HSQCsample_1isotropicsample_conditions_1
3D HCCH-TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_2isotropicsample_conditions_2

Software:

SPARKY, Goddard - chemical shift assignment

NMR spectrometers:

  • Bruker Avance 600 MHz

Download HSQC peak lists in one of the following formats:
CSV: Backbone or all simulated peaks
SPARKY: Backbone or all simulated peaks