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- PDB-1nvf: Crystal structure of 3-dehydroquinate synthase (DHQS) in complex ... -

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Basic information

Entry
Database: PDB / ID: 1nvf
TitleCrystal structure of 3-dehydroquinate synthase (DHQS) in complex with ZN2+, ADP and carbaphosphonate
Components3-DEHYDROQUINATE SYNTHASE
KeywordsLYASE / SHIKIMATE PATHWAY / AROMATIC AMINO ACID BIOSYNTHESIS / DHQS / CLOSED FORM / FORM H / DOMAIN MOVEMENT / CYCLASE
Function / homology
Function and homology information


3-dehydroquinate synthase / 3-dehydroquinate synthase activity / shikimate kinase / shikimate dehydrogenase (NADP+) / 3-phosphoshikimate 1-carboxyvinyltransferase / 3-phosphoshikimate 1-carboxyvinyltransferase activity / shikimate kinase activity / shikimate 3-dehydrogenase (NADP+) activity / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity ...3-dehydroquinate synthase / 3-dehydroquinate synthase activity / shikimate kinase / shikimate dehydrogenase (NADP+) / 3-phosphoshikimate 1-carboxyvinyltransferase / 3-phosphoshikimate 1-carboxyvinyltransferase activity / shikimate kinase activity / shikimate 3-dehydrogenase (NADP+) activity / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / phosphorylation / ATP binding / metal ion binding / cytoplasm
Similarity search - Function
Pentafunctional AroM protein / Shikimate dehydrogenase, AroM-type / 3-dehydroquinate synthase AroB / 3-dehydroquinate synthase domain / 3-dehydroquinate synthase / 3-dehydroquinate dehydratase, active site / Shikimate kinase, conserved site / Dehydroquinase class I active site. / Shikimate kinase signature. / SDH, C-terminal ...Pentafunctional AroM protein / Shikimate dehydrogenase, AroM-type / 3-dehydroquinate synthase AroB / 3-dehydroquinate synthase domain / 3-dehydroquinate synthase / 3-dehydroquinate dehydratase, active site / Shikimate kinase, conserved site / Dehydroquinase class I active site. / Shikimate kinase signature. / SDH, C-terminal / Shikimate 5'-dehydrogenase C-terminal domain / Shikimate kinase/Threonine synthase-like 1 / Shikimate kinase/gluconokinase / Shikimate kinase / 3-dehydroquinate dehydratase type I / Type I 3-dehydroquinase / Dehydroquinate synthase-like, alpha domain / Dehydroquinate synthase-like - alpha domain / EPSP synthase signature 1. / 3-phosphoshikimate 1-carboxyvinyltransferase / Shikimate dehydrogenase substrate binding, N-terminal / 3-phosphoshikimate 1-carboxyvinyltransferase, conserved site / Shikimate dehydrogenase substrate binding domain / EPSP synthase signature 2. / Rossmann fold - #1970 / Enolpyruvate transferase domain / Enolpyruvate transferase domain superfamily / EPSP synthase (3-phosphoshikimate 1-carboxyvinyltransferase) / RNA 3'-terminal phosphate cyclase/enolpyruvate transferase, alpha/beta / Aminoacid dehydrogenase-like, N-terminal domain superfamily / Aldolase-type TIM barrel / NAD(P)-binding domain superfamily / Up-down Bundle / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / Chem-CRB / Pentafunctional AROM polypeptide
Similarity search - Component
Biological speciesEmericella nidulans (mold)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.8 Å
AuthorsNichols, C.E. / Ren, J. / Lamb, H.K. / Hawkins, A.R. / Stammers, D.K.
Citation
Journal: J.MOL.BIOL. / Year: 2003
Title: Ligand-induced Conformational Changes and a Mechanism for Domain Closure in Aspergillus nidulans Dehydroquinate Synthase
Authors: Nichols, C.E. / Ren, J. / Lamb, H.K. / Hawkins, A.R. / Stammers, D.K.
#1: Journal: Acta Crystallogr.,Sect.D / Year: 2001
Title: Identification of many crystal forms of Aspergillus nidulans Dehydroquinate Synthase
Authors: Nichols, C.E. / Ren, J. / Lamb, H. / Haldane, F. / Hawkins, A.R. / Stammers, D.K.
History
DepositionFeb 3, 2003Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Mar 18, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 25, 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_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_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_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_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_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.ptnr1_auth_asym_id / _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_asym_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_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

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Assembly

Deposited unit
A: 3-DEHYDROQUINATE SYNTHASE
B: 3-DEHYDROQUINATE SYNTHASE
C: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)131,33016
Polymers128,9003
Non-polymers2,43013
Water7,963442
1
A: 3-DEHYDROQUINATE SYNTHASE
B: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)87,4949
Polymers85,9332
Non-polymers1,5617
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6410 Å2
ΔGint-108 kcal/mol
Surface area27970 Å2
MethodPISA
2
C: 3-DEHYDROQUINATE SYNTHASE
hetero molecules

C: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)87,67114
Polymers85,9332
Non-polymers1,73812
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_565-x,-y+1,z1
Unit cell
Length a, b, c (Å)206.500, 136.400, 40.400
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Components on special symmetry positions
IDModelComponents
11C-603-

CL

21C-2690-

HOH

DetailsThe biological assembly is a dimer, chains A and B form one crystallographic dimer equivalent to this biological dimer and chain C lies across a crystallographic 2-fold generating a 2nd homo-symetric biological dimer.

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Components

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Protein , 1 types, 3 molecules ABC

#1: Protein 3-DEHYDROQUINATE SYNTHASE / DHQS


Mass: 42966.535 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Emericella nidulans (mold) / Gene: AROMA / Plasmid: PTR51 / Production host: Escherichia coli (E. coli) / Strain (production host): GLW38 (AROB-) / References: UniProt: P07547, 3-dehydroquinate synthase

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Non-polymers , 5 types, 455 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn
#3: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#5: Chemical ChemComp-CRB / [1R-(1ALPHA,3BETA,4ALPHA,5BETA)]-5-(PHOSPHONOMETHYL)-1,3,4-TRIHYDROXYCYCLOHEXANE-1-CARBOXYLIC ACID / CARBAPHOSPHONATE


Mass: 270.174 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C8H15O8P
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 442 / 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: 2.14 Å3/Da / Density % sol: 42.04 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 8
Details: PEG6000, DMSO, ETHYLENE GLYCOL, MEGA7, HEPES, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal grow
*PLUS
pH: 7.5
Details: Nichols, C.E., (2001) Acta Crystallogr., Sect.D, 57, 306.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
115-25 mg/mlprotein1drop
29 %PEG60001reservoir
420 %ethylene glycol1reservoir
510 %DMSO1reservoir
65 mMMEGA71reservoir
3HEPES1reservoirpH7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: May 1, 2000 / Details: OSMIC MULTILAYER
RadiationMonochromator: OSMIC MULTILAYER OPTICS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.8→30 Å / Num. all: 29198 / Num. obs: 27530 / % possible obs: 94.7 % / Observed criterion σ(I): -1.5 / Redundancy: 3.12 % / Biso Wilson estimate: 53.4 Å2 / Rmerge(I) obs: 0.074 / Net I/σ(I): 16.28
Reflection shellResolution: 2.8→2.9 Å / Redundancy: 2.37 % / Rmerge(I) obs: 0.217 / Mean I/σ(I) obs: 4.17 / Num. unique all: 2390 / % possible all: 86.7
Reflection
*PLUS
Highest resolution: 2.8 Å / Lowest resolution: 40 Å / % possible obs: 94.5 % / Redundancy: 3.46 % / Rmerge(I) obs: 0.08
Reflection shell
*PLUS
% possible obs: 81.4 % / Redundancy: 2.67 % / Rmerge(I) obs: 0.25 / Mean I/σ(I) obs: 4.04

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Processing

SoftwareName: CNS / Version: 1.1 / Classification: refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1NR5

1nr5


Resolution: 2.8→26.07 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 1921937.04 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.242 1347 4.9 %RANDOM
Rwork0.184 ---
obs0.184 27530 94.7 %-
all-29198 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 22.8721 Å2 / ksol: 0.285256 e/Å3
Displacement parametersBiso mean: 37.2 Å2
Baniso -1Baniso -2Baniso -3
1--12.73 Å20 Å20 Å2
2---0.69 Å20 Å2
3---13.42 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.41 Å0.29 Å
Luzzati d res low-5 Å
Luzzati sigma a0.53 Å0.36 Å
Refinement stepCycle: LAST / Resolution: 2.8→26.07 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8919 0 139 442 9500
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d21.8
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.83
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it3.353
X-RAY DIFFRACTIONc_mcangle_it5.245
X-RAY DIFFRACTIONc_scbond_it8.566
X-RAY DIFFRACTIONc_scangle_it11.0110
LS refinement shellResolution: 2.8→2.9 Å / Rfactor Rfree error: 0.037 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.414 125 5 %
Rwork0.3 2390 -
obs--86.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2LIG.PARAMLIG.TOP
X-RAY DIFFRACTION3ION.PARAMION.TOP
X-RAY DIFFRACTION4WATER_REP.PARAMWATER_REP.TOP
Refinement
*PLUS
Lowest resolution: 40 Å / Rfactor Rfree: 0.269 / Rfactor Rwork: 0.191
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0062
X-RAY DIFFRACTIONc_angle_deg1.23
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg21.8
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.83
LS refinement shell
*PLUS
Rfactor Rwork: 0.3

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