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- PDB-3k2g: Crystal structure of a Resiniferatoxin-binding protein from Rhodo... -

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Basic information

Entry
Database: PDB / ID: 3k2g
TitleCrystal structure of a Resiniferatoxin-binding protein from Rhodobacter sphaeroides
ComponentsResiniferatoxin-binding, phosphotriesterase-related protein
KeywordsResiniferatoxin binding protein / Resiniferatoxin-binding / phosphotriesterase / TIM BARREL / Binuclear Zinc / PROTEIN STRUCTURE INITIATIVE II (PSI II) / STRUCTURAL GENOMICS / NYSGXRC / 9588c / New York SGX Research Center for Structural Genomics
Function / homology
Function and homology information


catabolic process / phosphoric diester hydrolase activity / zinc ion binding
Similarity search - Function
Aryldialkylphosphatase, zinc-binding site / Phosphotriesterase family signature 1. / Phosphotriesterase / Phosphotriesterase family / Phosphotriesterase family profile. / Metal-dependent hydrolases / Metal-dependent hydrolase / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
(2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL / Resiniferatoxin-binding, phosphotriesterase-related protein
Similarity search - Component
Biological speciesRhodobacter sphaeroides 2.4.1 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.8 Å
AuthorsKumaran, D. / Burley, S.K. / Swaminathan, S. / New York SGX Research Center for Structural Genomics (NYSGXRC)
CitationJournal: To be Published
Title: Crystal structure of a Resiniferatoxin-binding protein from Rhodobacter sphaeroides
Authors: Kumaran, D. / Burley, S.K. / Swaminathan, S.
History
DepositionSep 30, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 13, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 10, 2021Group: Database references / Derived calculations / Structure summary
Category: audit_author / citation_author ...audit_author / citation_author / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _audit_author.identifier_ORCID / _citation_author.identifier_ORCID ..._audit_author.identifier_ORCID / _citation_author.identifier_ORCID / _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_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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

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Assembly

Deposited unit
A: Resiniferatoxin-binding, phosphotriesterase-related protein
B: Resiniferatoxin-binding, phosphotriesterase-related protein
C: Resiniferatoxin-binding, phosphotriesterase-related protein
D: Resiniferatoxin-binding, phosphotriesterase-related protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)165,04617
Polymers163,8814
Non-polymers1,16513
Water15,709872
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Resiniferatoxin-binding, phosphotriesterase-related protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,2805
Polymers40,9701
Non-polymers3094
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
3
B: Resiniferatoxin-binding, phosphotriesterase-related protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,2554
Polymers40,9701
Non-polymers2853
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
4
C: Resiniferatoxin-binding, phosphotriesterase-related protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,2554
Polymers40,9701
Non-polymers2853
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
5
D: Resiniferatoxin-binding, phosphotriesterase-related protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,2554
Polymers40,9701
Non-polymers2853
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)179.735, 47.414, 188.934
Angle α, β, γ (deg.)90.00, 108.34, 90.00
Int Tables number5
Space group name H-MC121
DetailsAuthors state that the biological unit is tetramer.

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Components

#1: Protein
Resiniferatoxin-binding, phosphotriesterase-related protein


Mass: 40970.367 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rhodobacter sphaeroides 2.4.1 (bacteria)
Strain: ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158 / Gene: RHOS4_37320, RHOS4_37320 (RSP_3690), RSP_3690 / Plasmid: BC-PSGX3 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q3IVY4
#2: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical
ChemComp-DTV / (2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL / Dithiothreitol


Mass: 154.251 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C4H10O2S2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 872 / 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: 2.33 Å3/Da / Density % sol: 47.24 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 8.5
Details: 25% PEG 3350, 0.2 M MgCl2, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 0.979 / Wavelength: 0.979 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Sep 24, 2009 / Details: MIRRORS
RadiationMonochromator: SI III / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.8→50 Å / Num. all: 127592 / Num. obs: 127592 / % possible obs: 90.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.9 % / Rmerge(I) obs: 0.097 / Net I/σ(I): 17.8
Reflection shellResolution: 1.8→1.86 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.3 / Mean I/σ(I) obs: 2 / Num. unique all: 7765 / % possible all: 55.7

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Processing

Software
NameVersionClassification
CBASSdata collection
SHELXDphasing
SHELXEmodel building
ARP/wARPmodel building
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: SAD / Resolution: 1.8→44.79 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 121012.14 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.225 6203 5 %RANDOM
Rwork0.204 ---
obs0.204 123557 87.7 %-
all-123557 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 40.783 Å2 / ksol: 0.360686 e/Å3
Displacement parametersBiso mean: 22 Å2
Baniso -1Baniso -2Baniso -3
1--3.15 Å20 Å2-2.03 Å2
2--9.78 Å20 Å2
3----6.63 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.24 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a0.19 Å0.17 Å
Refinement stepCycle: LAST / Resolution: 1.8→44.79 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms11070 0 41 872 11983
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d22.7
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.85
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
Refine LS restraints NCSNCS model details: NONE
LS refinement shellResolution: 1.8→1.91 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.296 620 5.2 %
Rwork0.27 11410 -
obs--51.5 %

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