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- PDB-3nev: Crystal structure of YagE, a prophage protein from E. coli K12 in... -

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Basic information

Entry
Database: PDB / ID: 3nev
TitleCrystal structure of YagE, a prophage protein from E. coli K12 in complex with KDGal
ComponentsUncharacterized protein yagE
KeywordsLYASE / TIM Barrel / Protein-Ligand Complex / Aldolase
Function / homology
Function and homology information


2-dehydro-3-deoxy-D-pentonate aldolase / aldonic acid catabolic process / 2-dehydro-3-deoxy-D-pentonate aldolase activity / 2-dehydro-3-deoxy-D-gluconate aldolase / 2-dehydro-3-deoxy-D-gluconate aldolase activity / identical protein binding / cytosol
Similarity search - Function
Schiff base-forming aldolase, conserved site / Dihydrodipicolinate synthase signature 1. / Schiff base-forming aldolase, active site / Dihydrodipicolinate synthase signature 2. / DapA-like / Dihydrodipicolinate synthetase family / Dihydrodipicolinate synthetase family / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel ...Schiff base-forming aldolase, conserved site / Dihydrodipicolinate synthase signature 1. / Schiff base-forming aldolase, active site / Dihydrodipicolinate synthase signature 2. / DapA-like / Dihydrodipicolinate synthetase family / Dihydrodipicolinate synthetase family / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
3-DEOXY-D-LYXO-HEXONIC ACID / Putative 2-dehydro-3-deoxy-D-gluconate aldolase YagE
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.19 Å
AuthorsBhaskar, V. / Kumar, P.M. / Manicka, S. / Krishnaswamy, S.
CitationJournal: Proteins / Year: 2011
Title: Identification of biochemical and putative biological role of a xenolog from Escherichia coli using structural analysis.
Authors: Bhaskar, V. / Kumar, M. / Manicka, S. / Tripathi, S. / Venkatraman, A. / Krishnaswamy, S.
History
DepositionJun 9, 2010Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Apr 13, 2011Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 1, 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 / struct_conn / struct_ncs_dom_lim / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Uncharacterized protein yagE
B: Uncharacterized protein yagE
C: Uncharacterized protein yagE
D: Uncharacterized protein yagE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)129,69616
Polymers128,4794
Non-polymers1,21712
Water8,827490
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10480 Å2
ΔGint-48 kcal/mol
Surface area38360 Å2
MethodPISA
Unit cell
Length a, b, c (Å)141.860, 155.130, 55.710
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11B
21A
31D
41C

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ALA / Beg label comp-ID: ALA / End auth comp-ID: CYS / End label comp-ID: CYS / Refine code: 3 / Auth seq-ID: 12 - 309 / Label seq-ID: 1 - 298

Dom-IDAuth asym-IDLabel asym-ID
1BB
2AA
3DD
4CC

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Components

#1: Protein
Uncharacterized protein yagE / A CP4-6 Prophage Protein


Mass: 32119.775 Da / Num. of mol.: 4 / Fragment: UNP residues 12-309
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: b0268, JW0261, yagE / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P75682
#2: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical
ChemComp-RSH / 3-DEOXY-D-LYXO-HEXONIC ACID / D-2-KETO-3-DEOXYGALACTONATE


Mass: 180.156 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C6H12O6
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 490 / 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: 2.39 Å3/Da / Density % sol: 48.44 %
Crystal growTemperature: 298 K / Method: microbatch / pH: 6.5
Details: 100mM HEPES pH 6.5, 200mM MgCl2, 25% PEG 3350, 50mM PYRUVATE, 50mM GLYCERALDEHYDE, Microbatch, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.95374 Å
DetectorDate: Apr 29, 2010
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95374 Å / Relative weight: 1
ReflectionResolution: 2.19→49.18 Å / Num. obs: 63549 / % possible obs: 99.1 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 28.753 Å2 / Rmerge(I) obs: 0.125 / Net I/σ(I): 14.01
Reflection shell
Resolution (Å)Highest resolution (Å)Rmerge F obsRmerge(I) obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsRrim(I) all% possible all
2.19-2.250.3040.4445.443751468543280.4792.4
2.25-2.310.2470.3956.551066458245500.4199.3
2.31-2.380.1970.3397.351230441243890.3599.5
2.38-2.450.1760.2958.351851432242980.3199.4
2.45-2.530.1520.2729.152349421241890.2899.5
2.53-2.620.1330.23710.452191402940160.2599.7
2.62-2.720.1210.21911.252052390938910.2399.5
2.72-2.830.1080.20211.851316376637570.2199.8
2.83-2.950.0970.1812.950356363336180.1999.6
2.95-3.10.080.15314.948806349134820.1699.7
3.1-3.270.0680.13816.246703328632770.1499.7
3.27-3.460.0560.11418.944717314731350.1299.6
3.46-3.70.0460.1032142039295229470.1199.8
3.7-40.0410.09322.439369277827700.199.7
4-4.380.0350.08524.135931254225390.0999.9
4.38-4.90.0320.082532541231823140.0899.8
4.9-5.660.0340.07923.829415208220810.08100
5.66-6.930.0350.07423.324814176417610.0899.8
6.93-9.80.0260.06626.118644139313850.0799.4
9.80.0260.06525.5102408378220.0798.2

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
PHASERphasing
REFMAC5.5.0072refinement
PDB_EXTRACT3.1data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2V8Z

2v8z


Resolution: 2.19→49.18 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.937 / Occupancy max: 1 / Occupancy min: 0.36 / SU B: 5.364 / SU ML: 0.137 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.212 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.237 3178 5 %RANDOM
Rwork0.197 ---
obs0.199 63549 100 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 58.83 Å2 / Biso mean: 20.613 Å2 / Biso min: 7.06 Å2
Baniso -1Baniso -2Baniso -3
1--1.72 Å20 Å20 Å2
2--2.58 Å20 Å2
3----0.86 Å2
Refinement stepCycle: LAST / Resolution: 2.19→49.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9024 0 76 490 9590
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0240.0229372
X-RAY DIFFRACTIONr_angle_refined_deg1.8681.9712763
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.15351204
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.71424.377377
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.177151488
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.6451543
X-RAY DIFFRACTIONr_chiral_restr0.1450.21500
X-RAY DIFFRACTIONr_gen_planes_refined0.010.0217047
X-RAY DIFFRACTIONr_mcbond_it0.8781.55972
X-RAY DIFFRACTIONr_mcangle_it1.58229645
X-RAY DIFFRACTIONr_scbond_it3.09233400
X-RAY DIFFRACTIONr_scangle_it4.7224.53118
Refine LS restraints NCS

Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION

Dom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
1B1184TIGHT POSITIONAL0.090.05
2A1184TIGHT POSITIONAL0.070.05
3D1184TIGHT POSITIONAL0.070.05
4C1184TIGHT POSITIONAL0.070.05
1B1041LOOSE POSITIONAL0.095
2A1041LOOSE POSITIONAL0.085
3D1041LOOSE POSITIONAL0.085
4C1041LOOSE POSITIONAL0.085
1B1184TIGHT THERMAL0.250.5
2A1184TIGHT THERMAL0.260.5
3D1184TIGHT THERMAL0.240.5
4C1184TIGHT THERMAL0.240.5
1B1041LOOSE THERMAL0.2610
2A1041LOOSE THERMAL0.2510
3D1041LOOSE THERMAL0.2510
4C1041LOOSE THERMAL0.2510
LS refinement shellResolution: 2.191→2.248 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.3 216 -
Rwork0.264 4105 -
all-4321 -
obs--100 %

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