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- PDB-1oe2: Atomic Resolution Structure of D92E Mutant of Alcaligenes xylosox... -

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Basic information

Entry
Database: PDB / ID: 1oe2
TitleAtomic Resolution Structure of D92E Mutant of Alcaligenes xylosoxidans Nitrite Reductase
ComponentsDISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE
KeywordsREDUCTASE / NITRITE REDUCTASE / COPPER PROTEIN
Function / homology
Function and homology information


denitrification pathway / nitrite reductase (NO-forming) / nitrite reductase (NO-forming) activity / nitrate assimilation / periplasmic space / copper ion binding
Similarity search - Function
Nitrite reductase, copper-type / Multicopper oxidase / Multicopper oxidase, type 1 / Multicopper oxidase / Multicopper oxidase, N-terminal / Multicopper oxidase / Cupredoxins - blue copper proteins / Cupredoxin / Immunoglobulin-like / Sandwich / Mainly Beta
Similarity search - Domain/homology
COPPER (II) ION / Copper-containing nitrite reductase
Similarity search - Component
Biological speciesALCALIGENES XYLOSOXIDANS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.12 Å
AuthorsEllis, M.J. / Dodd, F.E. / Sawers, G. / Eady, R.R. / Hasnain, S.S.
CitationJournal: J.Mol.Biol. / Year: 2003
Title: Atomic Resolution Structures of Native Copper Nitrite Reductase from Alcaligenes Xylosoxidans and the Active Site Mutant Asp92Glu
Authors: Ellis, M.J. / Dodd, F.E. / Sawers, G. / Eady, R.R. / Hasnain, S.S.
History
DepositionMar 18, 2003Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 17, 2003Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3May 22, 2019Group: Data collection / Derived calculations ...Data collection / Derived calculations / Other / Refinement description
Category: pdbx_database_proc / pdbx_database_status ...pdbx_database_proc / pdbx_database_status / refine / struct_conn
Item: _pdbx_database_status.recvd_author_approval / _refine.pdbx_ls_cross_valid_method / _struct_conn.pdbx_leaving_atom_flag
Revision 2.0Mar 11, 2020Group: Polymer sequence / Category: entity_poly / Item: _entity_poly.pdbx_seq_one_letter_code_can
Revision 2.1Dec 13, 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_seq_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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.ptnr1_symmetry / _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_conn.ptnr2_symmetry / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 2.2Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification
Remark 700 SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)36,8894
Polymers36,5681
Non-polymers3213
Water9,854547
1
A: DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE
hetero molecules

A: DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE
hetero molecules

A: DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)110,66712
Polymers109,7033
Non-polymers9649
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_565-x+y,-x+1,z1
crystal symmetry operation2_665-y+1,x-y+1,z1
MethodPQS
Unit cell
Length a, b, c (Å)78.700, 78.700, 98.900
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number173
Space group name H-MP63
Components on special symmetry positions
IDModelComponents
11A-2083-

HOH

21A-2133-

HOH

31A-2267-

HOH

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Components

#1: Protein DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE / NITRITE REDUCTASE / NIR


Mass: 36567.523 Da / Num. of mol.: 1 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ALCALIGENES XYLOSOXIDANS (bacteria) / Strain: NCIMB 11015 / Description: SYNTHETIC GENE / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): CL21 / Variant (production host): DE3 / References: UniProt: O68601
#2: Chemical ChemComp-CU / COPPER (II) ION


Mass: 63.546 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cu
#3: Chemical ChemComp-PG4 / TETRAETHYLENE GLYCOL


Mass: 194.226 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18O5 / Comment: precipitant*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 547 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED MUTATION IN CHAIN A, ASP 92 GLU
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: 1.81 Å3/Da / Density % sol: 32 %
Crystal growpH: 6.5
Details: 0.1M MES PH6.5 40-50% PEG-MME 550, 10MM CUSO4,, pH 6.50
Crystal grow
*PLUS
Temperature: 21 ℃ / pH: 7.1 / Method: vapor diffusion, sitting drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
135 %(w/v)PEG550 MME1reservoir
210 mM1reservoirZnSO4
30.1 MMES1reservoirpH6.5
410 mg/mlprotein1drop
510 mMTris-HCl1droppH7.1

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.5 / Wavelength: 0.85
DetectorType: MARRESEARCH / Detector: CCD / Date: Feb 15, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.85 Å / Relative weight: 1
ReflectionResolution: 1.12→20 Å / Num. obs: 133004 / % possible obs: 99.9 % / Observed criterion σ(I): 2 / Redundancy: 7.2 % / Rmerge(I) obs: 0.049 / Net I/σ(I): 23.7
Reflection shellResolution: 1.12→1.14 Å / Redundancy: 3.4 % / Rmerge(I) obs: 0.36 / Mean I/σ(I) obs: 3.6 / % possible all: 99.8
Reflection
*PLUS
Lowest resolution: 20 Å / Num. measured all: 955982
Reflection shell
*PLUS
% possible obs: 99.8 % / Num. unique obs: 6604 / Num. measured obs: 22767 / Rmerge(I) obs: 0.36

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Processing

Software
NameClassification
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1HAU

1hau


Resolution: 1.12→60 Å / Num. parameters: 28122 / Num. restraintsaints: 30849 / Cross valid method: FREE R-VALUE / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER / Details: NO RESTRAINTS APPLIED TO CU ATOMS
RfactorNum. reflection% reflectionSelection details
Rfree0.1792 6650 5 %RANDOM
all0.1195 132888 --
obs0.1629 -99.9 %-
Solvent computationSolvent model: MOEWS & KRETSINGER
Refine analyzeNum. disordered residues: 14 / Occupancy sum hydrogen: 2463.5 / Occupancy sum non hydrogen: 3042.24
Refinement stepCycle: LAST / Resolution: 1.12→60 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2535 0 15 547 3097
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.015
X-RAY DIFFRACTIONs_angle_d0.029
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0357
X-RAY DIFFRACTIONs_zero_chiral_vol0.085
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.088
X-RAY DIFFRACTIONs_anti_bump_dis_restr0
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0.005
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.031
X-RAY DIFFRACTIONs_approx_iso_adps0
Software
*PLUS
Name: SHELXL / Version: 97 / Classification: refinement
Refinement
*PLUS
Rfactor Rfree: 0.127 / Rfactor Rwork: 0.119
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.012
X-RAY DIFFRACTIONs_plane_restr0.0357
X-RAY DIFFRACTIONs_chiral_restr0.085

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