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- PDB-1ihi: Crystal Structure of Human Type III 3-alpha-Hydroxysteroid Dehydr... -

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Basic information

Entry
Database: PDB / ID: 1ihi
TitleCrystal Structure of Human Type III 3-alpha-Hydroxysteroid Dehydrogenase/Bile Acid Binding Protein (AKR1C2) Complexed with NADP+ and Ursodeoxycholate
Components3-ALPHA-HYDROXYSTEROID DEHYDROGENASE
KeywordsOXIDOREDUCTASE / ALPHA-BETA BARREL / TERNARY COMPLEX / PROTEIN-NADP-BILE ACID COMPLEX
Function / homology
Function and homology information


indanol dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase / 3(or 17)alpha-hydroxysteroid dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity / indanol dehydrogenase activity / cellular response to prostaglandin D stimulus / 3alpha-hydroxysteroid 3-dehydrogenase / phenanthrene 9,10-monooxygenase activity / cellular response to jasmonic acid stimulus / 3alpha(or 20beta)-hydroxysteroid dehydrogenase ...indanol dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase / 3(or 17)alpha-hydroxysteroid dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity / indanol dehydrogenase activity / cellular response to prostaglandin D stimulus / 3alpha-hydroxysteroid 3-dehydrogenase / phenanthrene 9,10-monooxygenase activity / cellular response to jasmonic acid stimulus / 3alpha(or 20beta)-hydroxysteroid dehydrogenase / androstan-3-alpha,17-beta-diol dehydrogenase activity / androsterone dehydrogenase activity / ketosteroid monooxygenase activity / steroid dehydrogenase activity / Synthesis of bile acids and bile salts via 24-hydroxycholesterol / progesterone metabolic process / 17beta-estradiol 17-dehydrogenase / carboxylic acid binding / 17-beta-hydroxysteroid dehydrogenase (NAD+) activity / Oxidoreductases / daunorubicin metabolic process / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / doxorubicin metabolic process / bile acid binding / prostaglandin metabolic process / alditol:NADP+ 1-oxidoreductase activity / steroid metabolic process / Synthesis of bile acids and bile salts via 27-hydroxycholesterol / Synthesis of bile acids and bile salts via 7alpha-hydroxycholesterol / epithelial cell differentiation / digestion / positive regulation of protein kinase B signaling / G protein-coupled receptor signaling pathway / positive regulation of cell population proliferation / cytosol
Similarity search - Function
Aldo-keto reductase family 1 member C / Aldo/keto reductase family putative active site signature. / Aldo/keto reductase family signature 2. / Aldo/keto reductase, conserved site / NADP-dependent oxidoreductase domain / Aldo-keto reductase / NADP-dependent oxidoreductase domain / Aldo/keto reductase family / NADP-dependent oxidoreductase domain superfamily / TIM Barrel ...Aldo-keto reductase family 1 member C / Aldo/keto reductase family putative active site signature. / Aldo/keto reductase family signature 2. / Aldo/keto reductase, conserved site / NADP-dependent oxidoreductase domain / Aldo-keto reductase / NADP-dependent oxidoreductase domain / Aldo/keto reductase family / NADP-dependent oxidoreductase domain superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
ISO-URSODEOXYCHOLIC ACID / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / Aldo-keto reductase family 1 member C2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 3 Å
AuthorsJin, Y. / Stayrook, S.E. / Albert, R.H. / Palackal, N.T. / Penning, T.M. / Lewis, M.
CitationJournal: Biochemistry / Year: 2001
Title: Crystal structure of human type III 3alpha-hydroxysteroid dehydrogenase/bile acid binding protein complexed with NADP(+) and ursodeoxycholate.
Authors: Jin, Y. / Stayrook, S.E. / Albert, R.H. / Palackal, N.T. / Penning, T.M. / Lewis, M.
History
DepositionApr 19, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 3, 2001Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE
B: 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,8446
Polymers73,5732
Non-polymers2,2724
Water0
1
A: 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,9223
Polymers36,7861
Non-polymers1,1362
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,9223
Polymers36,7861
Non-polymers1,1362
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)144.09, 144.09, 202.77
Angle α, β, γ (deg.)90, 90, 120
Int Tables number155
Space group name H-MH32

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Components

#1: Protein 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE / 3alpha-hydroxycholanate dehydrogenase / bile acid binding protein


Mass: 36786.266 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P52895, EC: 1.1.1.52
#2: Chemical ChemComp-NAP / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE / Nicotinamide adenine dinucleotide phosphate


Mass: 743.405 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H28N7O17P3
#3: Chemical ChemComp-IU5 / ISO-URSODEOXYCHOLIC ACID


Mass: 392.572 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C24H40O4

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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: 2.75 Å3/Da / Density % sol: 55.3 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6
Details: PEG 5000 MME, SODIUM CACODYLATE, AMMONIUM SULFATE, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal grow
*PLUS
Temperature: 22 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
123 %PEG5000 MME1reservoir
2100 mMsodium cacodylate1reservoir
3200 mMammonium sulfate1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: SIEMENS / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 12, 1998 / Details: MIRRORS
RadiationMonochromator: Charles Supper Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 3→50 Å / Num. all: 16424 / Num. obs: 16424 / % possible obs: 98 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 6.1 % / Biso Wilson estimate: 50.48 Å2 / Rmerge(I) obs: 0.052 / Net I/σ(I): 20.3
Reflection shellResolution: 3→3.18 Å / Redundancy: 6 % / Rmerge(I) obs: 0.101 / Mean I/σ(I) obs: 12 / Num. unique all: 2219 / % possible all: 95.9
Reflection
*PLUS
Num. measured all: 99026

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Processing

Software
NameVersionClassification
AMoREphasing
CNS1refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1AFS.PDB
Resolution: 3→8 Å / Isotropic thermal model: ANISOTROPIC / Cross valid method: THROUGHOUT / σ(F): 3 / σ(I): 3 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.278 2216 -RANDOM
Rwork0.223 ---
all0.234 15514 --
obs0.228 15221 98 %-
Displacement parametersBiso mean: 15.7 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.47 Å0.35 Å
Luzzati d res low-5 Å
Luzzati sigma a0.54 Å0.4 Å
Refinement stepCycle: LAST / Resolution: 3→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5120 0 152 0 5272
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_angle_d1.5
X-RAY DIFFRACTIONc_angle_deg23.3
LS refinement shellResolution: 3→3.18 Å / Rfactor Rfree error: 0.025
RfactorNum. reflection% reflection
Rfree0.376 231 -
Rwork0.289 --
obs-2216 95.9 %
Software
*PLUS
Name: CNS / Version: 1 / Classification: refinement
Refinement
*PLUS
Highest resolution: 3 Å / Lowest resolution: 8 Å / σ(F): 3 / Rfactor obs: 0.223
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 15.7 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg23.3
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.9
LS refinement shell
*PLUS
Rfactor Rfree: 0.376 / Rfactor Rwork: 0.289

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