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- PDB-6cz8: The arsenate respiratory reductase (Arr) complex from Shewanella ... -

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Basic information

Entry
Database: PDB / ID: 6cz8
TitleThe arsenate respiratory reductase (Arr) complex from Shewanella sp. ANA-3 bound to arsenate
Components
  • 4Fe-4S ferredoxin, iron-sulfur binding domain protein
  • ArrA
KeywordsOXIDOREDUCTASE / arsenate / molybdoprotein / molybdopterin
Function / homology
Function and homology information


arsenate reductase (donor) / molybdopterin cofactor binding / 4 iron, 4 sulfur cluster binding / periplasmic space / oxidoreductase activity / metal ion binding
Similarity search - Function
Tetrathionate reductase subunit A, MopB domain / : / : / : / 4Fe-4S binding domain / : / 4Fe-4S dicluster domain / Molybdopterin oxidoreductase Fe4S4 domain / Molybdopterin oxidoreductase Fe4S4 domain / Molybdopterin dinucleotide-binding domain ...Tetrathionate reductase subunit A, MopB domain / : / : / : / 4Fe-4S binding domain / : / 4Fe-4S dicluster domain / Molybdopterin oxidoreductase Fe4S4 domain / Molybdopterin oxidoreductase Fe4S4 domain / Molybdopterin dinucleotide-binding domain / Molydopterin dinucleotide binding domain / Aspartate decarboxylase-like domain superfamily / Molybdopterin oxidoreductase, 4Fe-4S domain / Prokaryotic molybdopterin oxidoreductases 4Fe-4S domain profile. / Molybdopterin oxidoreductase / Molybdopterin oxidoreductase / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / 4Fe-4S ferredoxin, iron-sulphur binding, conserved site / 4Fe-4S ferredoxin-type iron-sulfur binding region signature. / 4Fe-4S ferredoxin-type iron-sulfur binding domain profile. / 4Fe-4S ferredoxin-type, iron-sulphur binding domain
Similarity search - Domain/homology
ARSENATE / FORMIC ACID / Chem-MGD / MOLYBDENUM ATOM / OXYGEN ATOM / 1-METHOXY-2-[2-(2-METHOXY-ETHOXY]-ETHANE / IRON/SULFUR CLUSTER / Arsenate respiratory reductase iron-sulfur subunit ArrB / Arsenate respiratory reductase molybdopterin-containing subunit ArrA
Similarity search - Component
Biological speciesShewanella sp. (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.78 Å
AuthorsGlasser, N.R. / Newman, D.K.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)5R01HL117328-03 United States
CitationJournal: Proc. Natl. Acad. Sci. U.S.A. / Year: 2018
Title: Structural and mechanistic analysis of the arsenate respiratory reductase provides insight into environmental arsenic transformations.
Authors: Glasser, N.R. / Oyala, P.H. / Osborne, T.H. / Santini, J.M. / Newman, D.K.
History
DepositionApr 8, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 15, 2018Provider: repository / Type: Initial release
Revision 1.1Aug 29, 2018Group: Data collection / Database references / Category: citation
Item: _citation.journal_abbrev / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Sep 19, 2018Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Oct 3, 2018Group: Data collection / Database references / Category: pdbx_database_related
Revision 1.4Feb 20, 2019Group: Author supporting evidence / Data collection / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.5Dec 4, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.6Mar 13, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
C: ArrA
D: 4Fe-4S ferredoxin, iron-sulfur binding domain protein
A: ArrA
B: 4Fe-4S ferredoxin, iron-sulfur binding domain protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)241,54937
Polymers233,8264
Non-polymers7,72333
Water40,3722241
1
C: ArrA
D: 4Fe-4S ferredoxin, iron-sulfur binding domain protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,79819
Polymers116,9132
Non-polymers3,88417
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12770 Å2
ΔGint-166 kcal/mol
Surface area31800 Å2
MethodPISA
2
A: ArrA
B: 4Fe-4S ferredoxin, iron-sulfur binding domain protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,75218
Polymers116,9132
Non-polymers3,83816
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12690 Å2
ΔGint-167 kcal/mol
Surface area32520 Å2
MethodPISA
Unit cell
Length a, b, c (Å)233.162, 86.344, 148.221
Angle α, β, γ (deg.)90.00, 127.67, 90.00
Int Tables number5
Space group name H-MC121

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Components

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Protein , 2 types, 4 molecules CADB

#1: Protein ArrA / Molybdopterin oxidoreductase


Mass: 91143.523 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Shewanella sp. (strain ANA-3) (bacteria)
Strain: ANA-3 / Gene: arrA, Shewana3_2341 / Production host: Shewanella sp. ANA-3 (bacteria) / References: UniProt: Q7WTU0
#2: Protein 4Fe-4S ferredoxin, iron-sulfur binding domain protein / ArrB


Mass: 25769.637 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Shewanella sp. (bacteria) / Strain: ANA-3 / Gene: arrB, Shewana3_2340 / Production host: Shewanella sp. ANA-3 (bacteria) / References: UniProt: Q7WTT9

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Non-polymers , 8 types, 2274 molecules

#3: Chemical
ChemComp-SF4 / IRON/SULFUR CLUSTER


Mass: 351.640 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: Fe4S4
#4: Chemical
ChemComp-MGD / 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE / MOLYBDOPTERIN GUANOSINE DINUCLEOTIDE


Mass: 740.557 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C20H26N10O13P2S2 / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-ART / ARSENATE


Mass: 138.919 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: AsO4 / Feature type: SUBJECT OF INVESTIGATION
#6: Chemical ChemComp-MO / MOLYBDENUM ATOM


Mass: 95.940 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mo / Feature type: SUBJECT OF INVESTIGATION
#7: Chemical
ChemComp-O / OXYGEN ATOM


Mass: 15.999 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: O
#8: Chemical
ChemComp-FMT / FORMIC ACID


Mass: 46.025 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: CH2O2
#9: Chemical ChemComp-PG5 / 1-METHOXY-2-[2-(2-METHOXY-ETHOXY]-ETHANE


Mass: 178.226 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H18O4
#10: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2241 / 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: 2.53 Å3/Da / Density % sol: 51.29 %
Crystal growTemperature: 293 K / Method: microbatch
Details: 10 mg/ml protein, 15% PEG 2000 MME, 150 mM KSCN, 50 mM HEPES (adjusted to pH 7.5 with NaOH), 5 mM disodium arsenate, microseeded; cryo protected in 30% PEG 2000 MME, 100 mM KSCN, 1 M sodium ...Details: 10 mg/ml protein, 15% PEG 2000 MME, 150 mM KSCN, 50 mM HEPES (adjusted to pH 7.5 with NaOH), 5 mM disodium arsenate, microseeded; cryo protected in 30% PEG 2000 MME, 100 mM KSCN, 1 M sodium formate, 50 mM MES (pH 6.0), 5 mM disodium arsenate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL12-2 / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 30, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.78→39.1 Å / Num. obs: 222359 / % possible obs: 99.85 % / Redundancy: 6.8 % / Rpim(I) all: 0.034 / Net I/σ(I): 15.94
Reflection shellResolution: 1.78→1.844 Å / Redundancy: 7 % / Mean I/σ(I) obs: 2.35 / Num. unique obs: 22113 / Rpim(I) all: 0.303 / % possible all: 99.84

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Processing

Software
NameClassification
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementResolution: 1.78→39.1 Å / Cross valid method: FREE R-VALUE
RfactorNum. reflection% reflection
Rfree0.1681 2784 1.25 %
Rwork0.1372 --
obs0.1376 222338 99.73 %
Refinement stepCycle: LAST / Resolution: 1.78→39.1 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16257 0 331 2241 18829

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