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- PDB-2afn: STRUCTURE OF ALCALIGENES FAECALIS NITRITE REDUCTASE AND A COPPER ... -

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Basic information

Entry
Database: PDB / ID: 2afn
TitleSTRUCTURE OF ALCALIGENES FAECALIS NITRITE REDUCTASE AND A COPPER SITE MUTANT, M150E, THAT CONTAINS ZINC
ComponentsNITRITE REDUCTASE
KeywordsOXIDOREDUCTASE (NITRIC OXIDE(A)) / OXIDOREDUCTASE / (NITRIC OXIDE (A)) / COPPER / FLAVOPROTEIN / FAD / NITRITE ASSIMILATION
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, type 1 / Multicopper oxidase / Multicopper oxidase, N-terminal / Multicopper oxidase / Cupredoxins - blue copper proteins / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / Cupredoxin / Immunoglobulin-like ...Nitrite reductase, copper-type / Multicopper oxidase, type 1 / Multicopper oxidase / Multicopper oxidase, N-terminal / Multicopper oxidase / Cupredoxins - blue copper proteins / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / Cupredoxin / Immunoglobulin-like / Sandwich / Mainly Beta
Similarity search - Domain/homology
COPPER (II) ION / Copper-containing nitrite reductase
Similarity search - Component
Biological speciesAlcaligenes faecalis (bacteria)
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsMurphy, M.E.P. / Adman, E.T. / Turley, S.
Citation
Journal: Biochemistry / Year: 1995
Title: Structure of Alcaligenes faecalis nitrite reductase and a copper site mutant, M150E, that contains zinc.
Authors: Murphy, M.E. / Turley, S. / Kukimoto, M. / Nishiyama, M. / Horinouchi, S. / Sasaki, H. / Tanokura, M. / Adman, E.T.
#1: Journal: Biochemistry / Year: 1994
Title: X-Ray Structure and Site-Directed Mutagenesis of a Nitrite Reductase from Alcaligenes Faecalis S-6: Roles of Two Copper Atoms in Nitrite Reduction
Authors: Kukimoto, M. / Nishiyama, M. / Murphy, M.E. / Turley, S. / Adman, E.T. / Horinouchi, S. / Beppu, T.
#2: Journal: Science / Year: 1991
Title: The 2.3 Angstrom X-Ray Structure of Nitrite Reductase from Achromobacter Cycloclastes
Authors: Godden, J.W. / Turley, S. / Teller, D.C. / Adman, E.T. / Liu, M.Y. / Payne, W.J. / Legall, J.
History
DepositionJul 3, 1995Processing site: BNL
SupersessionAug 1, 1996ID: 1AFN
Revision 1.0Aug 1, 1996Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 21, 2018Group: Data collection / Other / Category: diffrn_detector / pdbx_database_status
Item: _diffrn_detector.pdbx_collection_date / _pdbx_database_status.process_site
Revision 1.4Feb 14, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / 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_asym_id / _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.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_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: NITRITE REDUCTASE
B: NITRITE REDUCTASE
C: NITRITE REDUCTASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,5739
Polymers111,1923
Non-polymers3816
Water8,593477
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12650 Å2
ΔGint-101 kcal/mol
Surface area32510 Å2
MethodPISA
Unit cell
Length a, b, c (Å)63.035, 103.610, 146.900
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(0.94287, 0.27379, 0.18983), (-0.03311, -0.48997, 0.87111), (0.33151, -0.82763, -0.45291)-19.15623, 18.53096, 97.4787
2given(0.94287, -0.03311, 0.33151), (0.27379, -0.48997, -0.82763), (0.18983, 0.87111, -0.45291)-13.64025, 95.00062, 31.64301
DetailsNITRITE REDUCTASE IS A FUNCTIONAL TRIMER.

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Components

#1: Protein NITRITE REDUCTASE


Mass: 37063.887 Da / Num. of mol.: 3 / Source method: isolated from a natural source / Source: (natural) Alcaligenes faecalis (bacteria) / Strain: S-6 / References: UniProt: P38501, EC: 1.7.99.3
#2: Chemical
ChemComp-CU / COPPER (II) ION


Mass: 63.546 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Cu
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 477 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.2 Å3/Da / Density % sol: 44 %
Crystal
*PLUS
Crystal grow
*PLUS
pH: 6 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlprotein1drop
210 mMMES1drop
410-25 %PEG40001reservoir
50.1 Msodium acetate1reservoir
3reservoir1drop

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Data collection

Diffraction sourceWavelength: 1.5418
DetectorType: RIGAKU / Detector: IMAGE PLATE
RadiationMonochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→85 Å / Num. obs: 55751 / % possible obs: 84.6 % / Observed criterion σ(I): 0 / Redundancy: 3.2 % / Rmerge(I) obs: 0.051
Reflection
*PLUS
% possible obs: 85 %
Reflection shell
*PLUS
Highest resolution: 2 Å / Lowest resolution: 2.25 Å / % possible obs: 69 % / Redundancy: 2.3 % / Num. unique obs: 13333 / Rmerge(I) obs: 0.154

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Processing

Software
NameVersionClassification
X-PLOR3.1model building
X-PLOR3.1refinement
RIGAKUdata reduction
X-PLOR3.1phasing
RefinementResolution: 2→10 Å / σ(F): 3
RfactorNum. reflection% reflection
Rfree0.223 -8 %
Rwork0.158 --
obs0.158 48320 74 %
Displacement parametersBiso mean: 24.7 Å2
Refine analyzeLuzzati coordinate error obs: 0.19 Å
Refinement stepCycle: LAST / Resolution: 2→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7590 0 6 477 8073
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.72
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d27.3
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.38
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 2→85 Å
Xplor file
Refine-IDSerial noParam file
X-RAY DIFFRACTION1AFN.TOP
X-RAY DIFFRACTION2AFN.PAR
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg27.3
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.38

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