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- PDB-4ej6: Crystal structure of a putative zinc-binding dehydrogenase (Targe... -

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Basic information

Entry
Database: PDB / ID: 4ej6
TitleCrystal structure of a putative zinc-binding dehydrogenase (Target PSI-012003) from Sinorhizobium meliloti 1021
ComponentsPutative zinc-binding dehydrogenase
KeywordsOXIDOREDUCTASE / Structural genomics / NYSGRC / PSI-Biology / New York Structural Genomics Research Consortium
Function / homology
Function and homology information


Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor / oxidoreductase activity / nucleotide binding / zinc ion binding
Similarity search - Function
: / Alcohol dehydrogenase, zinc-type, conserved site / Zinc-containing alcohol dehydrogenases signature. / Quinone Oxidoreductase; Chain A, domain 1 / Medium-chain alcohol dehydrogenases, catalytic domain / Alcohol dehydrogenase-like, C-terminal / Zinc-binding dehydrogenase / Polyketide synthase, enoylreductase domain / Enoylreductase / Alcohol dehydrogenase, N-terminal ...: / Alcohol dehydrogenase, zinc-type, conserved site / Zinc-containing alcohol dehydrogenases signature. / Quinone Oxidoreductase; Chain A, domain 1 / Medium-chain alcohol dehydrogenases, catalytic domain / Alcohol dehydrogenase-like, C-terminal / Zinc-binding dehydrogenase / Polyketide synthase, enoylreductase domain / Enoylreductase / Alcohol dehydrogenase, N-terminal / Alcohol dehydrogenase GroES-like domain / GroES-like superfamily / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Alpha-Beta Complex / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Zinc-binding dehydrogenase
Similarity search - Component
Biological speciesSinorhizobium meliloti (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.89 Å
AuthorsSampathkumar, P. / Almo, S.C. / New York Structural Genomics Research Consortium (NYSGRC)
CitationJournal: To be Published
Title: Crystal structure of a putative zinc-binding dehydrogenase from Sinorhizobium meliloti 1021
Authors: Sampathkumar, P. / Banu, N. / Bhosle, R. / Bonanno, J. / Chamala, S. / Chowdhury, S. / Fiser, A. / Gizzi, A. / Glenn, A.S. / Hammonds, J. / Hillerich, B. / Khafizov, K. / Love, J.D. / ...Authors: Sampathkumar, P. / Banu, N. / Bhosle, R. / Bonanno, J. / Chamala, S. / Chowdhury, S. / Fiser, A. / Gizzi, A. / Glenn, A.S. / Hammonds, J. / Hillerich, B. / Khafizov, K. / Love, J.D. / Matikainen, B. / Patskovsky, Y. / Seidel, R. / Toro, R. / Zencheck, W. / Almo, S.C.
History
DepositionApr 6, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 2, 2012Provider: repository / Type: Initial release
Revision 1.1Nov 15, 2017Group: Refinement description / Category: software / Item: _software.classification / _software.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Putative zinc-binding dehydrogenase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)40,17320
Polymers39,0171
Non-polymers1,15619
Water3,333185
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)107.607, 107.607, 137.160
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number97
Space group name H-MI422
Components on special symmetry positions
IDModelComponents
11A-577-

HOH

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Components

#1: Protein Putative zinc-binding dehydrogenase


Mass: 39017.254 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sinorhizobium meliloti (bacteria) / Strain: 1021 / Gene: R01577, SMc01214 / Plasmid: pSGC / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: Q92PZ3, Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor
#2: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 17 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 185 / Source method: isolated from a natural source / Formula: H2O

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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: 2.54 Å3/Da / Density % sol: 51.65 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 6.2
Details: Protein (20 mM Hepes, pH 7.5, 150 mM NaCl, 10% glycerol; Reservoir (MCSG1 #3: 0.2 M Sodium Chloride 0.1 M Na2HPO4:KH2PO4 10% (w/v) PEG 8000 ); Cryoprotection (30% Ethylene glycol), ...Details: Protein (20 mM Hepes, pH 7.5, 150 mM NaCl, 10% glycerol; Reservoir (MCSG1 #3: 0.2 M Sodium Chloride 0.1 M Na2HPO4:KH2PO4 10% (w/v) PEG 8000 ); Cryoprotection (30% Ethylene glycol), temperature 298K, VAPOR DIFFUSION, SITTING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 0.9791 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 7, 2011 / Details: MIRRORS
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9791 Å / Relative weight: 1
ReflectionResolution: 1.89→50 Å / Num. all: 32173 / Num. obs: 32173 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 23 % / Biso Wilson estimate: 30.4 Å2 / Rsym value: 0.083 / Net I/σ(I): 33.7
Reflection shellResolution: 1.9→1.93 Å / Redundancy: 20.6 % / Mean I/σ(I) obs: 5.4 / Num. unique all: 1560 / Rsym value: 0.8 / % possible all: 99.9

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Processing

Software
NameVersionClassificationNB
REFMAC5.6.0117refinement
PDB_EXTRACT3.11data extraction
CBASSdata collection
HKL-2000data reduction
SCALEPACKdata scaling
SHELXCphasing
SHELXDphasing
SHELXE(HKL2MAP)model building
RefinementMethod to determine structure: SAD / Resolution: 1.89→50 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.958 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 2.727 / SU ML: 0.08 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.129 / ESU R Free: 0.118 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2018 1627 5.1 %RANDOM
Rwork0.1761 ---
obs0.1774 32166 99.7 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso max: 74.44 Å2 / Biso mean: 36.4674 Å2 / Biso min: 21.82 Å2
Baniso -1Baniso -2Baniso -3
1--1.24 Å20 Å20 Å2
2---1.24 Å20 Å2
3---2.47 Å2
Refinement stepCycle: LAST / Resolution: 1.89→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2492 0 70 185 2747
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0192636
X-RAY DIFFRACTIONr_bond_other_d0.0020.021846
X-RAY DIFFRACTIONr_angle_refined_deg1.3322.0013561
X-RAY DIFFRACTIONr_angle_other_deg0.8934507
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.1715358
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.19423.02196
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.03415417
X-RAY DIFFRACTIONr_dihedral_angle_4_deg22.2181525
X-RAY DIFFRACTIONr_chiral_restr0.0790.2427
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0212926
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02491
LS refinement shellResolution: 1.895→1.944 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.274 102 -
Rwork0.225 2019 -
all-2121 -
obs--98.29 %

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