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- PDB-2ipg: Crystal structure of 17alpha-hydroxysteroid dehydrogenase mutant ... -

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Basic information

Entry
Database: PDB / ID: 2ipg
TitleCrystal structure of 17alpha-hydroxysteroid dehydrogenase mutant K31A in complex with NADP+ and epi-testosterone
Components3(17)alpha-hydroxysteroid dehydrogenase
KeywordsOXIDOREDUCTASE / 17a-HSD / AKR1C21 / AKR / aldo-keto reductase / HSD / hydroxysteroid dehydrogenase / open conformation / epi-testosterone
Function / homology
Function and homology information


17-beta-ketosteroid reductase activity / steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor / chlordecone reductase activity / androsterone dehydrogenase (B-specific) activity / 3(or 17)alpha-hydroxysteroid dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity / 17-beta-hydroxysteroid dehydrogenase (NADP+) activity / 5alpha-androstane-3beta,17beta-diol dehydrogenase activity / phenanthrene 9,10-monooxygenase activity / cellular response to jasmonic acid stimulus ...17-beta-ketosteroid reductase activity / steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor / chlordecone reductase activity / androsterone dehydrogenase (B-specific) activity / 3(or 17)alpha-hydroxysteroid dehydrogenase / trans-1,2-dihydrobenzene-1,2-diol dehydrogenase activity / 17-beta-hydroxysteroid dehydrogenase (NADP+) activity / 5alpha-androstane-3beta,17beta-diol dehydrogenase activity / phenanthrene 9,10-monooxygenase activity / cellular response to jasmonic acid stimulus / androsterone dehydrogenase activity / ketosteroid monooxygenase activity / steroid dehydrogenase activity / progesterone metabolic process / carboxylic acid binding / aldo-keto reductase (NADP) activity / lithocholic acid binding / steroid biosynthetic process / Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor / daunorubicin metabolic process / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / doxorubicin metabolic process / retinal dehydrogenase activity / NADP+ binding / bile acid binding / prostaglandin metabolic process / alditol:NADP+ 1-oxidoreductase activity / steroid metabolic process / NADPH binding / steroid binding / cytosol
Similarity search - Function
Aldo-keto reductase family 1 member C / 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
BETA-MERCAPTOETHANOL / Chem-FFA / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / Aldo-keto reductase family 1 member C21
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsFaucher, F. / Cantin, L. / Pereira de Jesus-Tran, K. / Lemieux, M. / Luu-the, V. / Labrie, F. / Breton, R.
CitationJournal: J.Mol.Biol. / Year: 2007
Title: Mouse 17alpha-Hydroxysteroid Dehydrogenase (AKR1C21) Binds Steroids Differently from other Aldo-keto Reductases: Identification and Characterization of Amino Acid Residues Critical for Substrate Binding.
Authors: Faucher, F. / Cantin, L. / Pereira de Jesus-Tran, K. / Lemieux, M. / Luu-The, V. / Labrie, F. / Breton, R.
History
DepositionOct 12, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 19, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3May 16, 2012Group: Other
Revision 1.4Feb 6, 2019Group: Data collection / Database references ...Data collection / Database references / Source and taxonomy / Structure summary
Category: chem_comp / entity ...chem_comp / entity / entity_src_gen / struct_ref / struct_ref_seq / struct_ref_seq_dif
Item: _entity.pdbx_ec / _entity_src_gen.gene_src_common_name ..._entity.pdbx_ec / _entity_src_gen.gene_src_common_name / _entity_src_gen.pdbx_beg_seq_num / _entity_src_gen.pdbx_end_seq_num / _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_seq_type / _struct_ref.db_code / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.pdbx_db_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 3(17)alpha-hydroxysteroid dehydrogenase
B: 3(17)alpha-hydroxysteroid dehydrogenase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,37213
Polymers72,8102
Non-polymers2,56211
Water8,665481
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)74.030, 53.340, 85.120
Angle α, β, γ (deg.)90.00, 93.46, 90.00
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(1), (1), (1)
2given(0.8677, -0.4846, 0.1106), (-0.484, -0.8744, -0.0342), (0.1132, -0.0239, -0.9933)-9.9137, -12.6378, 106.0711

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein 3(17)alpha-hydroxysteroid dehydrogenase


Mass: 36404.930 Da / Num. of mol.: 2 / Mutation: K31A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Akr1c21 / Plasmid: pGEX1lT / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)pLys
References: UniProt: Q91WR5, Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor, 3(or 17)alpha-hydroxysteroid dehydrogenase

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Non-polymers , 5 types, 492 molecules

#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 / Mutation: K31A / Source method: obtained synthetically / Formula: C21H28N7O17P3
#3: Chemical ChemComp-FFA / (10ALPHA,13ALPHA,14BETA,17ALPHA)-17-HYDROXYANDROST-4-EN-3-ONE / EPI-TESTOSTERONE / Epitestosterone


Mass: 288.424 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C19H28O2 / Comment: inhibitor, antagonist, hormone*YM
#4: Chemical
ChemComp-BME / BETA-MERCAPTOETHANOL / 2-Mercaptoethanol


Mass: 78.133 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H6OS
#5: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C2H6O2
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 481 / 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: 2.31 Å3/Da / Density % sol: 46.66 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.4
Details: PEG-4000 24%, 0.1M MES, O.1M Li2SO4, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21
Diffraction source
SourceTypeIDWavelength (Å)
ROTATING ANODERIGAKU11.5418
2
Detector
TypeIDDetectorDateDetails
RIGAKU RAXIS IIC1IMAGE PLATEAug 6, 2006mirrors
2
Radiation
IDProtocolMonochromatic (M) / Laue (L)Scattering typeWavelength-ID
1SINGLE WAVELENGTHMx-ray1
2Mx-ray1
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→19.56 Å / Num. all: 45224 / Num. obs: 43065 / % possible obs: 94.7 % / Observed criterion σ(I): 0 / Redundancy: 3.9 % / Biso Wilson estimate: 9.5 Å2 / Rmerge(I) obs: 0.117 / Rsym value: 0.172 / Net I/σ(I): 7.12
Reflection shellResolution: 2→2.1 Å / Redundancy: 4 % / Rmerge(I) obs: 0.191 / Mean I/σ(I) obs: 4.93 / Rsym value: 0.262 / % possible all: 92.1

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Processing

Software
NameVersionClassificationNB
XSCALEdata processing
CNS1.1refinement
PDB_EXTRACT2data extraction
CrystalCleardata collection
XDSdata reduction
XSCALEdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2IPF
Resolution: 1.9→19.55 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1754729.91 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.214 2514 5.1 %RANDOM
Rwork0.182 ---
obs0.182 49676 94.5 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 43.1045 Å2 / ksol: 0.337572 e/Å3
Displacement parametersBiso mean: 17.2 Å2
Baniso -1Baniso -2Baniso -3
1-4.27 Å20 Å22.92 Å2
2---1.3 Å20 Å2
3----2.97 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.24 Å0.19 Å
Luzzati d res low-5 Å
Luzzati sigma a0.15 Å0.11 Å
Refinement stepCycle: LAST / Resolution: 1.9→19.55 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5114 0 166 481 5761
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
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_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d21.9
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.79
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.111.5
X-RAY DIFFRACTIONc_mcangle_it1.562
X-RAY DIFFRACTIONc_scbond_it1.782
X-RAY DIFFRACTIONc_scangle_it2.492.5
Refine LS restraints NCSNCS model details: CONSTR
LS refinement shellResolution: 1.9→2.02 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.232 364 4.6 %
Rwork0.198 7568 -
obs--91.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2ligands_.paramligands_.top
X-RAY DIFFRACTION3water_rep.paramwater.top

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