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- PDB-6ya3: Crystal structure of PnrA from S. pneumoniae in complex with guanosine -

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Basic information

Entry
Database: PDB / ID: 6ya3
TitleCrystal structure of PnrA from S. pneumoniae in complex with guanosine
ComponentsLipoprotein
KeywordsTRANSPORT PROTEIN / Nucleoside substrate-binding protein
Function / homologyABC transporter substrate-binding protein PnrA-like / ABC transporter substrate-binding protein PnrA-like / Periplasmic binding protein-like I / Prokaryotic membrane lipoprotein lipid attachment site profile. / plasma membrane / GUANOSINE / NICKEL (II) ION / Lipoprotein
Function and homology information
Biological speciesStreptococcus pneumoniae (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.28 Å
AuthorsBatuecas, M.T. / Hermoso, J.A.
Funding support Spain, 1items
OrganizationGrant numberCountry
Spanish Ministry of Economy and CompetitivenessBFU2017-90030-P Spain
CitationJournal: J.Mol.Biol. / Year: 2021
Title: Crystal Structure and Pathophysiological Role of the Pneumococcal Nucleoside-binding Protein PnrA.
Authors: Abdullah, M.R. / Batuecas, M.T. / Jennert, F. / Voss, F. / Westhoff, P. / Kohler, T.P. / Molina, R. / Hirschmann, S. / Lalk, M. / Hermoso, J.A. / Hammerschmidt, S.
History
DepositionMar 11, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Feb 10, 2021Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
C: Lipoprotein
A: Lipoprotein
B: Lipoprotein
D: Lipoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)142,11316
Polymers140,5114
Non-polymers1,60312
Water7,134396
1
C: Lipoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,5875
Polymers35,1281
Non-polymers4594
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Lipoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,5284
Polymers35,1281
Non-polymers4013
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
B: Lipoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,5284
Polymers35,1281
Non-polymers4013
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: Lipoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,4703
Polymers35,1281
Non-polymers3422
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)78.784, 304.919, 128.688
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11B-581-

HOH

21B-604-

HOH

31D-531-

HOH

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Components

#1: Protein
Lipoprotein /


Mass: 35127.648 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus pneumoniae (bacteria) / Gene: SP_0845 / Production host: Escherichia coli (E. coli) / References: UniProt: A0A0H2UPF3
#2: Chemical
ChemComp-GMP / GUANOSINE / Guanosine


Mass: 283.241 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H13N5O5
#3: Chemical
ChemComp-NI / NICKEL (II) ION / Nickel


Mass: 58.693 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Ni
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 396 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.76 Å3/Da / Density % sol: 55.44 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 28% PEG 600, 0.2 M calcium acetate and 0.1 M sodium cacodylate (pH 6.5)

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALBA / Beamline: XALOC / Wavelength: 0.979264 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Apr 27, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979264 Å / Relative weight: 1
ReflectionResolution: 2.28→49.23 Å / Num. obs: 70796 / % possible obs: 99.7 % / Redundancy: 6.7 % / CC1/2: 0.99 / Rpim(I) all: 0.08 / Net I/σ(I): 10
Reflection shellResolution: 2.28→2.33 Å / Mean I/σ(I) obs: 1.7 / Num. unique obs: 4526 / CC1/2: 0.62 / Rpim(I) all: 0.69

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Processing

Software
NameVersionClassification
REFMAC7.0.078refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2FQW

2fqw


Resolution: 2.28→49.18 Å / Cross valid method: FREE R-VALUE
RfactorNum. reflection% reflectionSelection details
Rfree0.25 --RANDOM
Rwork0.21 ---
obs-70796 99.7 %-
Displacement parametersBiso max: 161.69 Å2 / Biso mean: 47.8637 Å2 / Biso min: 16.45 Å2
Refinement stepCycle: LAST / Resolution: 2.28→49.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9906 0 88 398 10392

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