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- PDB-7c0z: Crystal structure of a dinucleotide-binding protein (Y246A) of AB... -

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Database: PDB / ID: 7c0z
TitleCrystal structure of a dinucleotide-binding protein (Y246A) of ABC transporter endogenously bound to uridylyl-3'-5'-phospho-guanosine (Form II)
ComponentsSugar ABC transporter, periplasmic sugar-binding protein
KeywordsTRANSPORT PROTEIN / c-di-GMP/AMP / Substrate-binding protein / Thermus thermophilus / tRNA synthesis and/or modification / Venus Fly-trap mechanism / UgpB
Function / homologyBacterial extracellular solute-binding protein / Solute-binding family 1, conserved site / Bacterial extracellular solute-binding proteins, family 1 signature. / Bacterial extracellular solute-binding protein / transmembrane transport / Chem-FGO / Sugar ABC transporter, periplasmic sugar-binding protein
Function and homology information
Biological speciesThermus thermophilus HB8 (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.2 Å
AuthorsKanaujia, S.P. / Chandravanshi, M. / Samanta, R.
Funding support India, 1items
OrganizationGrant numberCountry
Science and Engineering Research Board (SERB)SB/YS/LS-120/2013 India
CitationJournal: Febs J. / Year: 2021
Title: Structural and thermodynamic insights into the novel dinucleotide-binding protein of ABC transporter unveils its moonlighting function.
Authors: Chandravanshi, M. / Samanta, R. / Kanaujia, S.P.
DepositionMay 1, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 10, 2021Provider: repository / Type: Initial release
Revision 1.1Aug 18, 2021Group: Database references / Category: citation / database_2
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Deposited unit
A: Sugar ABC transporter, periplasmic sugar-binding protein
B: Sugar ABC transporter, periplasmic sugar-binding protein
hetero molecules

Theoretical massNumber of molelcules
Total (without water)90,1465
A: Sugar ABC transporter, periplasmic sugar-binding protein
hetero molecules

Theoretical massNumber of molelcules
Total (without water)45,0422
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
B: Sugar ABC transporter, periplasmic sugar-binding protein
hetero molecules

Theoretical massNumber of molelcules
Total (without water)45,1043
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)58.800, 104.390, 65.740
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1010A1 - 391
2010B1 - 391


#1: Protein Sugar ABC transporter, periplasmic sugar-binding protein

Mass: 44412.691 Da / Num. of mol.: 2 / Mutation: Y246A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Gene: TTHA0379 / Plasmid: pET22b / Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): Rosetta / References: UniProt: Q5SLB4
#2: Chemical ChemComp-FGO / [(1S,3R,3aR,6aS)-3-(2-azanyl-6-oxidanylidene-1H-purin-9-yl)-5,5-bis(oxidanyl)-1,3,3a,4,6,6a-hexahydrocyclopenta[c]furan-1-yl]methyl [(2R,3S,4R,5R)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-2-(hydroxymethyl)-4-oxidanyl-oxolan-3-yl] hydrogen phosphate

Mass: 629.471 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C22H28N7O13P / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol

Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#4: Water ChemComp-HOH / water / Water

Mass: 18.015 Da / Num. of mol.: 110 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

Experimental details


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

Sample preparation

CrystalDensity Matthews: 2.28 Å3/Da / Density % sol: 46.16 % / Description: Monoclinic
Crystal growTemperature: 277 K / Method: microbatch / pH: 6.5
Details: 0.2M ammonium phosphate, 0.1M sodium cacodylate pH 6.5, 30% PEG 8000

Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Jul 14, 2019 / Details: VariMax HF
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
Reflection twin
11H, K, L10.441
ReflectionResolution: 2.2→65.74 Å / Num. obs: 39359 / % possible obs: 97.9 % / Redundancy: 4.4 % / CC1/2: 0.978 / Rmerge(I) obs: 0.174 / Rpim(I) all: 0.091 / Rrim(I) all: 0.197 / Net I/σ(I): 7.1 / Num. measured all: 172451 / Scaling rejects: 83
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all


PhasingMethod: molecular replacement
Phasing MRModel details: Phaser MODE: MR_AUTO
Highest resolutionLowest resolution
Rotation5.87 Å65.74 Å
Translation5.87 Å65.74 Å


HKL-30003000data collection
MOSFLM7.2.2data reduction
Aimless0.7.4data scaling
Coot0.8.9.2model building
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7C0F
Resolution: 2.2→65.74 Å / Cor.coef. Fo:Fc: 0.918 / Cor.coef. Fo:Fc free: 0.873 / SU B: 10.261 / SU ML: 0.134 / SU R Cruickshank DPI: 0.0642 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.064 / ESU R Free: 0.047
RfactorNum. reflection% reflectionSelection details
Rfree0.2378 2010 5.1 %RANDOM
Rwork0.1878 ---
obs0.1903 37323 97.62 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 51.64 Å2 / Biso mean: 20.675 Å2 / Biso min: 2.96 Å2
Baniso -1Baniso -2Baniso -3
1--13.2 Å2-0 Å23.87 Å2
2--29.19 Å20 Å2
3----15.99 Å2
Refinement stepCycle: final / Resolution: 2.2→65.74 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6038 0 90 110 6238
Biso mean--24.45 20.16 -
Num. residues----785
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0136309
X-RAY DIFFRACTIONr_bond_other_d0.0010.0175941
X-RAY DIFFRACTIONr_angle_refined_deg2.031.6688583
X-RAY DIFFRACTIONr_angle_other_deg1.3361.58513775
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.6755791
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.6522.89301
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.889151015
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.2581531
X-RAY DIFFRACTIONr_chiral_restr0.0920.2799
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.027065
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021328
Refine LS restraints NCS

Ens-ID: 1 / Number: 11840 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.14 Å / Weight position: 0.05

Dom-IDAuth asym-ID
LS refinement shellResolution: 2.2→2.257 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.291 184 -
Rwork0.208 2654 -
all-2838 -
obs--95.39 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID

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