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- PDB-1n4u: CHOLESTEROL OXIDASE FROM STREPTOMYCES @ pH 4.5 (STREPTOMYCES SP. ... -

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Basic information

Entry
Database: PDB / ID: 1n4u
TitleCHOLESTEROL OXIDASE FROM STREPTOMYCES @ pH 4.5 (STREPTOMYCES SP. SA-COO)
ComponentsCholesterol oxidase
KeywordsOXIDOREDUCTASE / FLAVOENZYME / STEROID METABOLISM / ATOMIC RESOLUTION
Function / homology
Function and homology information


cholesterol oxidase / cholesterol oxidase activity / steroid Delta-isomerase / steroid delta-isomerase activity / cholesterol catabolic process / flavin adenine dinucleotide binding / extracellular region
Similarity search - Function
Cholesterol Oxidase; domain 2 / Cholesterol Oxidase; domain 2 / GMC oxidoreductases signature 1. / Glucose-methanol-choline oxidoreductase, N-terminal / GMC oxidoreductase / Glucose-methanol-choline oxidoreductase, C-terminal / GMC oxidoreductase / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / FAD/NAD(P)-binding domain ...Cholesterol Oxidase; domain 2 / Cholesterol Oxidase; domain 2 / GMC oxidoreductases signature 1. / Glucose-methanol-choline oxidoreductase, N-terminal / GMC oxidoreductase / Glucose-methanol-choline oxidoreductase, C-terminal / GMC oxidoreductase / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / FAD/NAD(P)-binding domain / FAD/NAD(P)-binding domain / 3-Layer(bba) Sandwich / FAD/NAD(P)-binding domain superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
FLAVIN-N7 PROTONATED-ADENINE DINUCLEOTIDE / OXYGEN MOLECULE / PHOSPHATE ION / Cholesterol oxidase
Similarity search - Component
Biological speciesStreptomyces sp. (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / AB INITIO PHASING / Resolution: 0.95 Å
AuthorsVrielink, A. / Lario, P.I.
CitationJournal: Nat.Chem.Biol. / Year: 2006
Title: Atomic resolution crystallography reveals how changes in pH shape the protein microenvironment
Authors: Lyubimov, A.Y. / Lario, P.I. / Moustafa, I. / Vrielink, A.
History
DepositionNov 1, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 27, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / Version format compliance
Revision 1.3Feb 14, 2024Group: 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 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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: Cholesterol oxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,3559
Polymers54,9701
Non-polymers1,3868
Water12,592699
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)51.248, 73.276, 63.098
Angle α, β, γ (deg.)90.00, 105.07, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Cholesterol oxidase / / CHOD


Mass: 54969.676 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: FAD COFACTOR NON-COVALENTLY BOUND TO THE ENZYME / Source: (gene. exp.) Streptomyces sp. (bacteria) / Strain: SA-COO / Gene: CHOA / Plasmid: PCO202 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)PLYSS / References: UniProt: P12676, cholesterol oxidase

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Non-polymers , 5 types, 707 molecules

#2: Chemical
ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-FAE / FLAVIN-N7 PROTONATED-ADENINE DINUCLEOTIDE / Flavin adenine dinucleotide


Mass: 786.558 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C27H34N9O15P2
#4: Chemical ChemComp-OXY / OXYGEN MOLECULE / Oxygen


Mass: 31.999 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: O2
#5: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 699 / 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: 1.71 Å3/Da / Density % sol: 28.1 %
Crystal growpH: 4.5 / Details: pH 4.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X8C / Wavelength: 0.979
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Apr 23, 1999
RadiationMonochromator: CRYSTALS SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 0.95→46.8 Å / Num. obs: 266037 / % possible obs: 94.3 % / Redundancy: 3.9 % / Rmerge(I) obs: 0.058 / Net I/σ(I): 11.1
Reflection shellResolution: 0.95→0.97 Å / Redundancy: 3.09 % / Rmerge(I) obs: 0.57 / Mean I/σ(I) obs: 1.49 / % possible all: 89.3

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
SHELXmodel building
SHELXL-97refinement
SHELXphasing
RefinementMethod to determine structure: AB INITIO PHASING
Starting model: 1MXT

1mxt


Resolution: 0.95→46.9 Å / Num. parameters: 45412 / Num. restraintsaints: 60231 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
Details: THE FOLLOWING ARE RESIDUES THAT WERE NOT LOCATED IN THE EXPERIMENT: ASP A 6, ASN A 7, GLY A 8, THR A 507 (ONLY N WAS LOCATED), ALA A 508, SER A 509. SOME VERY MOBILE SIDE CHAINS WERE MODELED ...Details: THE FOLLOWING ARE RESIDUES THAT WERE NOT LOCATED IN THE EXPERIMENT: ASP A 6, ASN A 7, GLY A 8, THR A 507 (ONLY N WAS LOCATED), ALA A 508, SER A 509. SOME VERY MOBILE SIDE CHAINS WERE MODELED AT EITHER 50% OR WERE NOT MODELLED. THE FOLLOWING ATOMS WERE NOT MODELLED: RES 278 CG -> END IS MISSING.; RES 396 CZ->END IS MISSING.; RES 436 CG->END IS MISSING; PARTIALLY OCCUPIED SIDE CHAIN ATOMS MODELED AT 50% FOR THE FOLLOWING: RES 73 ATOMS CG 1HG1 2HG CD OE1 OE2; RESI 127 ATOMS CG 1HD 2HD NE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES RES 163 ATOMS CE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES 172 CE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES 183 CG 1HG 2HG CD 1HD 2HD CE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES 241 CE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES 396 CG 1HG 2HG CD 1HD 2HD NE 1HE 2HE ; RES 398 CE 1HE 2HE NZ 1HZ 2HZ 3HZ; RES 435 ATOMS CB HB OG1 CG2 1HG2 2HG2 3HG2; RES 436 ATOMS CB 1HB 2HB; RES 468 ATOMS CG 1HG 2HG CD 1HD 2HD CE 1HE 2HE NZ 1HZ 2HZ 3HZ;
RfactorNum. reflection% reflectionSelection details
Rfree0.1358 60231 5 %RANDOM
Rwork0.1134 ---
all0.1141 265994 --
obs-265994 94.3 %-
Refine analyzeNum. disordered residues: 98 / Occupancy sum hydrogen: 3708.35 / Occupancy sum non hydrogen: 4437.13
Refinement stepCycle: LAST / Resolution: 0.95→46.9 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3823 0 86 699 4608
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.015
X-RAY DIFFRACTIONs_angle_d0.03
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.034
X-RAY DIFFRACTIONs_zero_chiral_vol0.094
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.102
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.042
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0.005
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.039
X-RAY DIFFRACTIONs_approx_iso_adps0.083

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