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- PDB-1nr5: Crystal structure of 3-dehydroquinate synthase (DHQS) in complex ... -

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Basic information

Entry
Database: PDB / ID: 1nr5
TitleCrystal structure of 3-dehydroquinate synthase (DHQS) in complex with ZN2+, NAD and carbaphosphonate
Components3-DEHYDROQUINATE SYNTHASE
KeywordsLYASE / SHIKIMATE PATHWAY / AROMATIC AMINO ACID BIOSYNTHESIS / DHQS / CARBAPHOSPHONATE / CLOSED FORM / DOMAIN MOVEMENT / CYCLASE
Function / homology
Function and homology information


3-dehydroquinate synthase / 3-dehydroquinate synthase activity / shikimate kinase / shikimate kinase activity / shikimate dehydrogenase (NADP+) / shikimate 3-dehydrogenase (NADP+) activity / 3-phosphoshikimate 1-carboxyvinyltransferase / 3-phosphoshikimate 1-carboxyvinyltransferase activity / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity ...3-dehydroquinate synthase / 3-dehydroquinate synthase activity / shikimate kinase / shikimate kinase activity / shikimate dehydrogenase (NADP+) / shikimate 3-dehydrogenase (NADP+) activity / 3-phosphoshikimate 1-carboxyvinyltransferase / 3-phosphoshikimate 1-carboxyvinyltransferase activity / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / ATP binding / metal ion binding / cytoplasm
Similarity search - Function
Pentafunctional AroM protein / Shikimate dehydrogenase, AroM-type / : / 3-dehydroquinate synthase C-terminal / 3-dehydroquinate synthase AroB / 3-dehydroquinate synthase domain / 3-dehydroquinate synthase N-terminal / 3-dehydroquinate dehydratase, active site / Dehydroquinase class I active site. / Shikimate kinase, conserved site ...Pentafunctional AroM protein / Shikimate dehydrogenase, AroM-type / : / 3-dehydroquinate synthase C-terminal / 3-dehydroquinate synthase AroB / 3-dehydroquinate synthase domain / 3-dehydroquinate synthase N-terminal / 3-dehydroquinate dehydratase, active site / Dehydroquinase class I active site. / Shikimate kinase, conserved 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 / Shikimate dehydrogenase substrate binding, N-terminal / Shikimate dehydrogenase substrate binding domain / EPSP synthase signature 1. / 3-phosphoshikimate 1-carboxyvinyltransferase / 3-phosphoshikimate 1-carboxyvinyltransferase, conserved site / 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 / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
: / Chem-CRB / NICOTINAMIDE-ADENINE-DINUCLEOTIDE / Pentafunctional AROM polypeptide
Similarity search - Component
Biological speciesEmericella nidulans (mold)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.1 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
DepositionJan 23, 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: Derived calculations / 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

Downloads & links

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Assembly

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


Theoretical massNumber of molelcules
Total (without water)88,06111
Polymers85,9332
Non-polymers2,1289
Water6,900383
1
A: 3-DEHYDROQUINATE SYNTHASE
hetero molecules

A: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,00210
Polymers85,9332
Non-polymers2,0698
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
Buried area7270 Å2
ΔGint-105 kcal/mol
Surface area28360 Å2
MethodPISA, PQS
2
B: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,0606
Polymers42,9671
Non-polymers1,0935
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
3
B: 3-DEHYDROQUINATE SYNTHASE
hetero molecules

B: 3-DEHYDROQUINATE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,12012
Polymers85,9332
Non-polymers2,18710
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_465-x-1,-y+1,z1
MethodPQS
Unit cell
Length a, b, c (Å)133.990, 86.560, 74.820
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
11A-603-

CL

21B-604-

CL

31A-1686-

HOH

DetailsThe biological assembly is a dimer, each monomer in the asymetric unit generating one dimer by symetry across a two fold axis.

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein 3-DEHYDROQUINATE SYNTHASE / DHQS


Mass: 42966.535 Da / Num. of mol.: 2
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 , 6 types, 392 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-NAD / NICOTINAMIDE-ADENINE-DINUCLEOTIDE


Mass: 663.425 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H27N7O14P2 / Comment: NAD*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.: 2 / Source method: obtained synthetically / Formula: C8H15O8P
#6: Chemical ChemComp-CO / COBALT (II) ION


Mass: 58.933 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Co
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 383 / 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: 48.04 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 8
Details: Ammonium Sulphate, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal grow
*PLUS
pH: 8
Details: Nichols, C.E., (2001) Acta Crystallogr., Sect.D, 57, 306.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
115-25 mg/mlprotein1drop
250 %ammonium sulfate1reservoir
41 mM1reservoirCoCl2
3HEPES1reservoirpH8.0

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Oct 1, 1999 / Details: OSMIC MULTILAYER
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.1→30 Å / Num. all: 51528 / Num. obs: 48900 / % possible obs: 94.9 % / Observed criterion σ(I): -1.5 / Redundancy: 2.91 % / Biso Wilson estimate: 20.7 Å2 / Rmerge(I) obs: 0.101 / Net I/σ(I): 12.96
Reflection shellResolution: 2.1→2.23 Å / Redundancy: 2.61 % / Rmerge(I) obs: 0.412 / Mean I/σ(I) obs: 2.1 / Num. unique all: 8482 / % possible all: 92.5
Reflection
*PLUS
Lowest resolution: 30 Å / % possible obs: 96.9 %
Reflection shell
*PLUS
Lowest resolution: 2.18 Å / % possible obs: 96.2 %

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1DQS

1dqs


Resolution: 2.1→27.22 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 2963347.69 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.232 2451 5 %RANDOM
Rwork0.185 ---
all0.191 51528 --
obs0.185 48900 94.8 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 71.9463 Å2 / ksol: 0.32668 e/Å3
Displacement parametersBiso mean: 40.4 Å2
Baniso -1Baniso -2Baniso -3
1--3.36 Å20 Å20 Å2
2--7.53 Å20 Å2
3----4.17 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.3 Å0.24 Å
Luzzati d res low-5 Å
Luzzati sigma a0.33 Å0.33 Å
Refinement stepCycle: LAST / Resolution: 2.1→27.22 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5985 0 127 383 6495
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d21.9
X-RAY DIFFRACTIONc_improper_angle_d0.93
LS refinement shellResolution: 2.1→2.23 Å / Rfactor Rfree error: 0.017 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.323 379 4.8 %
Rwork0.298 7467 -
obs-7846 92.5 %
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: 30 Å / Rfactor Rfree: 0.23 / Rfactor Rwork: 0.183
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0088
X-RAY DIFFRACTIONc_angle_deg1.38
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg21.9
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.93

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