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- PDB-1m1r: Reduced p222 crystal structure of the tetraheme cytochrome c of S... -

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Basic information

Entry
Database: PDB / ID: 1m1r
TitleReduced p222 crystal structure of the tetraheme cytochrome c of Shewanella oneidensis MR1
ComponentsSMALL tetraheme cytochrome c
KeywordsELECTRON TRANSPORT / reduced structure / atomic resolution
Function / homology
Function and homology information


periplasmic space / metal ion binding
Similarity search - Function
Tetrahaem cytochrome domain / Cytochrome c3 / Flavocytochrome C3; Chain A / Flavocytochrome C3; Chain A, domain 2 / Multiheme cytochrome superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
HEME C / Periplasmic tetraheme cytochrome c CctA
Similarity search - Component
Biological speciesShewanella oneidensis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.02 Å
AuthorsLeys, D. / Meyer, T.E. / Tsapin, A.I. / Nealson, K.H. / Cusanovich, M.A. / Van Beeumen, J.J.
CitationJournal: J.Biol.Chem. / Year: 2002
Title: Crystal structures at atomic resolution reveal the novel concept of 'electron-harvesting' as a role for the small tetraheme cytochrome c
Authors: Leys, D. / Meyer, T.E. / Tsapin, A.I. / Nealson, K.H. / Cusanovich, M.A. / Van Beeumen, J.J.
History
DepositionJun 20, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 14, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Mar 3, 2021Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / atom_site_anisotrop ...atom_site / atom_site_anisotrop / chem_comp / diffrn_source / entity / pdbx_distant_solvent_atoms / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_conn_angle / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.label_alt_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.occupancy / _atom_site.type_symbol / _atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] / _atom_site_anisotrop.U[1][3] / _atom_site_anisotrop.U[2][2] / _atom_site_anisotrop.U[2][3] / _atom_site_anisotrop.U[3][3] / _atom_site_anisotrop.pdbx_auth_atom_id / _atom_site_anisotrop.pdbx_auth_comp_id / _atom_site_anisotrop.pdbx_label_alt_id / _atom_site_anisotrop.pdbx_label_atom_id / _atom_site_anisotrop.pdbx_label_comp_id / _atom_site_anisotrop.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.name / _chem_comp.pdbx_synonyms / _diffrn_source.pdbx_synchrotron_site / _entity.formula_weight / _entity.pdbx_description / _pdbx_entity_nonpoly.comp_id / _pdbx_entity_nonpoly.name / _pdbx_nonpoly_scheme.mon_id / _pdbx_nonpoly_scheme.pdb_mon_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_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_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_type.id / _struct_site.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id / _struct_site_gen.auth_comp_id / _struct_site_gen.label_comp_id
Remark 999SEQUENCE the sequence of this protein is derived from both N-terminal sequencing and from the ...SEQUENCE the sequence of this protein is derived from both N-terminal sequencing and from the sequenced genome of Shewanella oneidensis strain MR1. The protein sequence is, at present, not available in any protein sequence database.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: SMALL tetraheme cytochrome c
hetero molecules


Theoretical massNumber of molelcules
Total (without water)12,3407
Polymers9,6741
Non-polymers2,6666
Water5,459303
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)32.882, 48.107, 58.234
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein SMALL tetraheme cytochrome c


Mass: 9673.621 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Shewanella oneidensis (bacteria) / Strain: strain MR1 / References: UniProt: Q8EDL6
#2: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#3: Chemical
ChemComp-HEC / HEME C


Mass: 618.503 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C34H34FeN4O4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 303 / 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: 2.38 Å3/Da / Density % sol: 48.32 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: ammonium sulphate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Temperature: 21 ℃ / PH range low: 9.2 / PH range high: 8.5
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
13.5-3.8 Mammonium sulfate1reservoir
20.1 MBicine1reservoirpH8.5-9.2
330 mg/mlprotein1drop

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.9 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Aug 1, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 1.02→10 Å / Num. all: 49522 / Num. obs: 47386 / % possible obs: 96.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection
*PLUS
Lowest resolution: 10 Å / Num. obs: 47690 / Num. measured all: 275007 / Rmerge(I) obs: 0.082

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
SHELXL-97refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1M1Q

1m1q


Resolution: 1.02→10 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.165 2506 RANDOM
Rwork0.148 --
all0.149 47386 -
obs0.149 47386 -
Refinement stepCycle: LAST / Resolution: 1.02→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms755 0 196 303 1254
Software
*PLUS
Name: SHELXL / Version: 97 / Classification: refinement
Refinement
*PLUS
Lowest resolution: 10 Å
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.012
X-RAY DIFFRACTIONs_angle_d
X-RAY DIFFRACTIONs_angle_deg2.13
X-RAY DIFFRACTIONs_dihedral_angle_d
X-RAY DIFFRACTIONs_improper_angle_d
X-RAY DIFFRACTIONs_mcbond_it
X-RAY DIFFRACTIONs_scbond_it
X-RAY DIFFRACTIONs_mcangle_it
X-RAY DIFFRACTIONs_scangle_it

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