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- PDB-2xta: Crystal structure of the SucA domain of Mycobacterium smegmatis a... -

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Basic information

Entry
Database: PDB / ID: 2xta
TitleCrystal structure of the SucA domain of Mycobacterium smegmatis alpha- ketoglutarate decarboxylase in complex with acetyl-CoA (triclinic form)
Components2-OXOGLUTARATE DECARBOXYLASE
KeywordsLYASE / KDH / KGD
Function / homology
Function and homology information


2-hydroxy-3-oxoadipate synthase / 2-oxoglutarate decarboxylase / 2-oxoglutarate decarboxylase activity / 2-hydroxy-3-oxoadipate synthase activity / oxoglutarate dehydrogenase (succinyl-transferring) / oxoglutarate dehydrogenase (succinyl-transferring) activity / dihydrolipoyllysine-residue succinyltransferase / dihydrolipoyllysine-residue succinyltransferase activity / oxoglutarate dehydrogenase complex / thiamine pyrophosphate binding ...2-hydroxy-3-oxoadipate synthase / 2-oxoglutarate decarboxylase / 2-oxoglutarate decarboxylase activity / 2-hydroxy-3-oxoadipate synthase activity / oxoglutarate dehydrogenase (succinyl-transferring) / oxoglutarate dehydrogenase (succinyl-transferring) activity / dihydrolipoyllysine-residue succinyltransferase / dihydrolipoyllysine-residue succinyltransferase activity / oxoglutarate dehydrogenase complex / thiamine pyrophosphate binding / tricarboxylic acid cycle / magnesium ion binding / cytosol
Similarity search - Function
TPP helical domain / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain / Rossmann fold - #12470 / 2-oxoglutarate dehydrogenase E1 component, N-terminal domain / 2-oxoglutarate dehydrogenase N-terminus / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain superfamily / 2-oxoglutarate dehydrogenase C-terminal / 2-oxoglutarate dehydrogenase E1 component / Dehydrogenase, E1 component ...TPP helical domain / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain / Rossmann fold - #12470 / 2-oxoglutarate dehydrogenase E1 component, N-terminal domain / 2-oxoglutarate dehydrogenase N-terminus / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal / Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain superfamily / 2-oxoglutarate dehydrogenase C-terminal / 2-oxoglutarate dehydrogenase E1 component / Dehydrogenase, E1 component / Dehydrogenase E1 component / 2-oxoacid dehydrogenase acyltransferase, catalytic domain / 2-oxoacid dehydrogenases acyltransferase (catalytic domain) / Transketolase-like, pyrimidine-binding domain / Transketolase, pyrimidine binding domain / Transketolase, pyrimidine binding domain / Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains / Chloramphenicol acetyltransferase-like domain superfamily / Thiamin diphosphate-binding fold / Helix Hairpins / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
ACETYL COENZYME *A / THIAMINE DIPHOSPHATE / Multifunctional 2-oxoglutarate metabolism enzyme
Similarity search - Component
Biological speciesMYCOBACTERIUM SMEGMATIS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsWagner, T. / Bellinzoni, M. / Wehenkel, A.M. / O'Hare, H.M. / Alzari, P.M.
CitationJournal: Chem.Biol. / Year: 2011
Title: Functional Plasticity and Allosteric Regulation of Alpha-Ketoglutarate Decarboxylase in Central Mycobacterial Metabolism.
Authors: Wagner, T. / Bellinzoni, M. / Wehenkel, A.M. / O'Hare, H.M. / Alzari, P.M.
History
DepositionOct 5, 2010Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 15, 2011Provider: repository / Type: Initial release
Revision 1.1Oct 12, 2011Group: Database references / Version format compliance
Revision 1.2Dec 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _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.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.pdbx_dist_value / _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_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

Downloads & links

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Assembly

Deposited unit
A: 2-OXOGLUTARATE DECARBOXYLASE
B: 2-OXOGLUTARATE DECARBOXYLASE
C: 2-OXOGLUTARATE DECARBOXYLASE
D: 2-OXOGLUTARATE DECARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)393,05419
Polymers388,6674
Non-polymers4,38815
Water13,367742
1
A: 2-OXOGLUTARATE DECARBOXYLASE
B: 2-OXOGLUTARATE DECARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)196,1229
Polymers194,3332
Non-polymers1,7897
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11880 Å2
ΔGint-87.3 kcal/mol
Surface area55760 Å2
MethodPISA
2
C: 2-OXOGLUTARATE DECARBOXYLASE
D: 2-OXOGLUTARATE DECARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)196,93210
Polymers194,3332
Non-polymers2,5998
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12770 Å2
ΔGint-88.7 kcal/mol
Surface area55870 Å2
MethodPISA
Unit cell
Length a, b, c (Å)80.550, 83.580, 160.070
Angle α, β, γ (deg.)99.59, 98.94, 100.68
Int Tables number1
Space group name H-MP1
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(-0.1974, 0.0659, 0.9781), (0.0678, -0.9944, 0.0807), (0.978, 0.0822, 0.1918)46.0066, 4.4624, -38.0895
2given(-0.9326, -0.3609, -0.0091), (-0.3609, 0.9326, -0.0022), (0.0093, 0.0012, -1)0.3086, 0.0924, 0.7062
3given(0.1663, 0.1379, -0.9764), (0.3016, -0.9498, -0.0828), (-0.9388, -0.2807, -0.1995)46.5887, 4.6672, -37.6923

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
2-OXOGLUTARATE DECARBOXYLASE / ALPHA-KETOGLUTARATE DECARBOXYLASE / 2-OXOGLUTARATE CARBOXY-LYASE


Mass: 97166.648 Da / Num. of mol.: 4 / Fragment: RESIDUES 361-1227
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MYCOBACTERIUM SMEGMATIS (bacteria) / Strain: MC2 155 / Plasmid: PET-28A / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) PLYSS / References: UniProt: A0R2B1, 2-oxoglutarate decarboxylase

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Non-polymers , 5 types, 757 molecules

#2: Chemical
ChemComp-TPP / THIAMINE DIPHOSPHATE


Mass: 425.314 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C12H19N4O7P2S
#3: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#4: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#5: Chemical ChemComp-ACO / ACETYL COENZYME *A


Mass: 809.571 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C23H38N7O17P3S
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 742 / 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: 2.79 Å3/Da / Density % sol: 55.9 % / Description: NONE
Crystal growpH: 7.6 / Details: 54% MPD, 25 MM SODIUM ACETATE, pH 7.6

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 0.9799
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Nov 21, 2009 / Details: TOROIDAL MIRROR
RadiationMonochromator: DUAL CHANNEL CUT CRYSTALS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9799 Å / Relative weight: 1
ReflectionResolution: 2.2→78.1 Å / Num. obs: 187791 / % possible obs: 92.6 % / Observed criterion σ(I): 2.2 / Redundancy: 2 % / Biso Wilson estimate: 36.62 Å2 / Rmerge(I) obs: 0.07 / Net I/σ(I): 8.7
Reflection shellResolution: 2.2→2.31 Å / Redundancy: 2 % / Rmerge(I) obs: 0.4 / Mean I/σ(I) obs: 2.2 / % possible all: 88.5

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Processing

Software
NameVersionClassification
BUSTER2.9.3refinement
XDSdata reduction
SCALAdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2XT9

2xt9
PDB Unreleased entry


Resolution: 2.2→78.11 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.9207 / SU R Cruickshank DPI: 0.236 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.223 / SU Rfree Blow DPI: 0.173 / SU Rfree Cruickshank DPI: 0.179
RfactorNum. reflection% reflectionSelection details
Rfree0.2136 9384 5 %RANDOM
Rwork0.188 ---
obs0.1892 187727 93.14 %-
Displacement parametersBiso mean: 43.83 Å2
Baniso -1Baniso -2Baniso -3
1--7.5862 Å20.6061 Å21.0735 Å2
2--4.6495 Å20.9385 Å2
3---2.9368 Å2
Refine analyzeLuzzati coordinate error obs: 0.299 Å
Refinement stepCycle: LAST / Resolution: 2.2→78.11 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms25144 0 211 742 26097
Refine LS restraints
Refine-IDTypeDev idealNumberRestraint functionWeight
X-RAY DIFFRACTIONt_bond_d0.0125869HARMONIC2
X-RAY DIFFRACTIONt_angle_deg1.0235160HARMONIC2
X-RAY DIFFRACTIONt_dihedral_angle_d11772SINUSOIDAL2
X-RAY DIFFRACTIONt_incorr_chiral_ct
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes649HARMONIC2
X-RAY DIFFRACTIONt_gen_planes3835HARMONIC5
X-RAY DIFFRACTIONt_it25761HARMONIC20
X-RAY DIFFRACTIONt_nbd0SEMIHARMONIC5
X-RAY DIFFRACTIONt_omega_torsion3.32
X-RAY DIFFRACTIONt_other_torsion2.74
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_chiral_improper_torsion3376SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact30645SEMIHARMONIC4
LS refinement shellResolution: 2.2→2.26 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.3107 661 4.93 %
Rwork0.2704 12740 -
all0.2725 13401 -
obs--93.14 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
10.5353-0.1810.19341.0169-0.43090.8345-0.0333-0.02910.05170.12760.09210.24120.0392-0.0577-0.05880.2350.15180.06010.11050.03920.1458-5.4030.459-33.929
20.70080.08820.08571.14780.04880.4403-0.02860.10520.033-0.06340.0324-0.05310.07790.1237-0.00380.20130.13690.02290.16370.04650.074213.9871.016-49.647
30.5104-0.07590.04830.89270.20190.6628-0.0521-0.01220.1197-0.12270.0485-0.1805-0.00670.04210.00360.30610.06040.01190.0390.01710.11174.7712.10934.614
40.8919-0.27320.18770.8968-0.18610.4837-0.0695-0.1649-0.03440.05010.0780.09010.0327-0.1108-0.00850.23190.08630.0110.13040.03490.0534-13.999-4.25549.976
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1(CHAIN A)
2X-RAY DIFFRACTION2(CHAIN B)
3X-RAY DIFFRACTION3(CHAIN C)
4X-RAY DIFFRACTION4(CHAIN D)

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