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- PDB-4euh: Crystal structure of Clostridium acetobutulicum trans-2-enoyl-CoA... -

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Basic information

Entry
Database: PDB / ID: 4euh
TitleCrystal structure of Clostridium acetobutulicum trans-2-enoyl-CoA reductase apo form
ComponentsPutative reductase CA_C0462
KeywordsOXIDOREDUCTASE / TER / biofuel / synthetic biology / reductase / catalytic mechanism / substrate specificity
Function / homology
Function and homology information


trans-2-enoyl-CoA reductase (NAD+) / trans-2-enoyl-CoA reductase (NADH) activity / enoyl-[acyl-carrier-protein] reductase (NADH) activity / NAD binding / fatty acid biosynthetic process
Similarity search - Function
: / Trans-2-enoyl-CoA reductase / Enoyl reductase FAD binding domain / Trans-2-enoyl-CoA reductase catalytic domain, putative / Enoyl reductase FAD binding domain / Trans-2-enoyl-CoA reductase catalytic region / NAD(P)H binding domain of trans-2-enoyl-CoA reductase / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Rossmann fold ...: / Trans-2-enoyl-CoA reductase / Enoyl reductase FAD binding domain / Trans-2-enoyl-CoA reductase catalytic domain, putative / Enoyl reductase FAD binding domain / Trans-2-enoyl-CoA reductase catalytic region / NAD(P)H binding domain of trans-2-enoyl-CoA reductase / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Trans-2-enoyl-CoA reductase [NADH]
Similarity search - Component
Biological speciesClostridium acetobutylicum (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsHu, K. / Zhao, M. / Zhang, T. / Yang, S. / Ding, J.
CitationJournal: Biochem.J. / Year: 2013
Title: Structures of trans-2-enoyl-CoA reductases from Clostridium acetobutylicum and Treponema denticola: insights into the substrate specificity and the catalytic mechanism
Authors: Hu, K. / Zhao, M. / Zhang, T. / Zha, M. / Zhong, C. / Jiang, Y. / Ding, J.
History
DepositionApr 25, 2012Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Nov 28, 2012Provider: repository / Type: Initial release
Revision 1.1Jul 17, 2013Group: Database references
Revision 1.2Nov 8, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Dec 6, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond / Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2
Revision 1.4Nov 13, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Putative reductase CA_C0462
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,2902
Polymers48,2671
Non-polymers231
Water4,179232
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)58.054, 77.588, 107.224
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Putative reductase CA_C0462 / trans-2-enoyl-CoA reductase


Mass: 48266.883 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium acetobutylicum (bacteria)
Strain: ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787
Gene: CA_C0462 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) codon plus
References: UniProt: Q97LU2, Oxidoreductases; Acting on the CH-CH group of donors; With NAD+ or NADP+ as acceptor
#2: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 232 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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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: 2.5 Å3/Da / Density % sol: 50.83 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 0.24M di-potassium hydrogen phosphate, 22% PEG 3350, pH 8.0, temperature 289K, VAPOR DIFFUSION, SITTING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U / Wavelength: 0.9791 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Feb 21, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9791 Å / Relative weight: 1
ReflectionResolution: 2.1→50 Å / Num. obs: 28964 / % possible obs: 98.3 % / Redundancy: 5.7 % / Rmerge(I) obs: 0.108 / Net I/σ(I): 16.7
Reflection shellResolution: 2.1→2.18 Å / Redundancy: 5.3 % / Rmerge(I) obs: 0.3 / Mean I/σ(I) obs: 6.1 / % possible all: 96.9

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Processing

Software
NameVersionClassificationNB
REFMAC5.5.0109refinement
PDB_EXTRACT3.11data extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
PHASESphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4EUE

4eue


Resolution: 2.1→50 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.931 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 11.4 / SU ML: 0.134 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.18 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2335 1426 5 %RANDOM
Rwork0.1929 ---
obs0.1949 28361 97.97 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 93.68 Å2 / Biso mean: 37.036 Å2 / Biso min: 21.11 Å2
Baniso -1Baniso -2Baniso -3
1--2.05 Å20 Å20 Å2
2---0.29 Å20 Å2
3---2.34 Å2
Refinement stepCycle: LAST / Resolution: 2.1→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3206 0 1 232 3439
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0223272
X-RAY DIFFRACTIONr_angle_refined_deg1.0681.9674393
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.285397
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.80224.026154
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.24315628
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.561522
X-RAY DIFFRACTIONr_chiral_restr0.0840.2473
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.022433
X-RAY DIFFRACTIONr_mcbond_it0.9851.51967
X-RAY DIFFRACTIONr_mcangle_it1.87223173
X-RAY DIFFRACTIONr_scbond_it2.33531305
X-RAY DIFFRACTIONr_scangle_it4.0294.51219
X-RAY DIFFRACTIONr_rigid_bond_restr1.08933272
LS refinement shellResolution: 2.1→2.154 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.316 107 -
Rwork0.22 1913 -
all-2020 -
obs--96.37 %

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