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- PDB-6atq: Crystal structure of apo-hGSTA1-1 exhibiting a new conformation o... -

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Basic information

Entry
Database: PDB / ID: 6atq
TitleCrystal structure of apo-hGSTA1-1 exhibiting a new conformation of C-terminal helix
ComponentsGlutathione S-transferase A1
KeywordsTRANSFERASE / Glutathione S-transferase / glutathione transferase / GST / hGSTA1-1 / apo
Function / homology
Function and homology information


Isomerases; Intramolecular oxidoreductases; Transposing C=C bonds / glutathione derivative biosynthetic process / steroid delta-isomerase activity / linoleic acid metabolic process / Glutathione conjugation / glutathione peroxidase activity / Azathioprine ADME / Heme degradation / NFE2L2 regulating anti-oxidant/detoxification enzymes / prostaglandin metabolic process ...Isomerases; Intramolecular oxidoreductases; Transposing C=C bonds / glutathione derivative biosynthetic process / steroid delta-isomerase activity / linoleic acid metabolic process / Glutathione conjugation / glutathione peroxidase activity / Azathioprine ADME / Heme degradation / NFE2L2 regulating anti-oxidant/detoxification enzymes / prostaglandin metabolic process / glutathione transferase / glutathione transferase activity / Oxidoreductases; Acting on a peroxide as acceptor; Peroxidases / epithelial cell differentiation / xenobiotic metabolic process / glutathione metabolic process / fatty acid binding / extracellular exosome / cytosol
Similarity search - Function
Glutathione S-transferase, alpha class / Glutathione S-transferase, C-terminal domain / Glutathione S-transferase, N-terminal domain / Glutathione transferase family / Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2 - #10 / Glutathione S-transferase, C-terminal / Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2 / Soluble glutathione S-transferase N-terminal domain profile. / Glutathione S-transferase, C-terminal-like / Soluble glutathione S-transferase C-terminal domain profile. ...Glutathione S-transferase, alpha class / Glutathione S-transferase, C-terminal domain / Glutathione S-transferase, N-terminal domain / Glutathione transferase family / Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2 - #10 / Glutathione S-transferase, C-terminal / Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2 / Soluble glutathione S-transferase N-terminal domain profile. / Glutathione S-transferase, C-terminal-like / Soluble glutathione S-transferase C-terminal domain profile. / Glutathione S-transferase, N-terminal / Glutathione S-transferase, C-terminal domain superfamily / Glutaredoxin / Glutaredoxin / Thioredoxin-like superfamily / Up-down Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Glutathione S-transferase A1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / FOURIER SYNTHESIS / Resolution: 2 Å
AuthorsKumari, V. / Ji, X.
Citation
Journal: To be published
Title: The dynamic nature of hGSTA1-1 C-terminal helix
Authors: Kumari, V. / Ji, X.
#1: Journal: J. Mol. Biol. / Year: 1993
Title: Structure determination and refinement of human alpha class glutathione transferase A1-1, and a comparison with the Mu and Pi class enzymes.
Authors: Sinning, I. / Kleywegt, G.J. / Cowan, S.W. / Reinemer, P. / Dirr, H.W. / Huber, R. / Gilliland, G.L. / Armstrong, R.N. / Ji, X. / Board, P.G.
History
DepositionAug 29, 2017Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 12, 2018Provider: repository / Type: Initial release
Revision 1.1Oct 4, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glutathione S-transferase A1
B: Glutathione S-transferase A1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,7467
Polymers51,0782
Non-polymers6685
Water7,710428
1
A: Glutathione S-transferase A1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,0895
Polymers25,5391
Non-polymers5504
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Glutathione S-transferase A1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)25,6572
Polymers25,5391
Non-polymers1181
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)99.591, 90.692, 51.250
Angle α, β, γ (deg.)90.00, 92.53, 90.00
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-550-

HOH

21A-556-

HOH

31A-610-

HOH

41A-611-

HOH

51B-465-

HOH

61B-506-

HOH

71B-567-

HOH

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Components

#1: Protein Glutathione S-transferase A1 / GST HA subunit 1 / GST class-alpha member 1 / GST-epsilon / GSTA1-1 / GTH1


Mass: 25538.924 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GSTA1 / Plasmid: pET30b(+)hGSTA1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P08263, glutathione transferase
#2: Chemical
ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#3: Chemical ChemComp-MES / 2-(N-MORPHOLINO)-ETHANESULFONIC ACID


Mass: 195.237 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H13NO4S / Comment: pH buffer*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 428 / 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: 2.26 Å3/Da / Density % sol: 45.66 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.5 / Details: PEG 2000 MME, 25% (w/v), 0.1 M MES, 6.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Oct 23, 2012
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→50 Å / Num. obs: 29807 / % possible obs: 96.8 % / Redundancy: 6.6 % / Rmerge(I) obs: 0.12 / Net I/σ(I): 13.48
Reflection shellResolution: 2→2.07 Å / Redundancy: 3.4 % / Num. unique obs: 2624 / % possible all: 85.8

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Processing

Software
NameVersionClassification
PHENIX(1.11.1_2575)refinement
DENZOdata reduction
SCALEPACKdata scaling
PHENIXphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: 1GUH

1guh


Resolution: 2→34.917 Å / SU ML: 0.31 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 26.87
RfactorNum. reflection% reflection
Rfree0.2348 1033 3.47 %
Rwork0.1687 --
obs0.171 29778 96.64 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refinement stepCycle: LAST / Resolution: 2→34.917 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3587 0 44 428 4059
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0083754
X-RAY DIFFRACTIONf_angle_d0.9865057
X-RAY DIFFRACTIONf_dihedral_angle_d13.6782344
X-RAY DIFFRACTIONf_chiral_restr0.05549
X-RAY DIFFRACTIONf_plane_restr0.006638
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2-2.10430.38671330.2963680X-RAY DIFFRACTION87
2.1043-2.23610.2811330.23614046X-RAY DIFFRACTION95
2.2361-2.40870.27751660.20764123X-RAY DIFFRACTION98
2.4087-2.6510.28141590.18984129X-RAY DIFFRACTION98
2.651-3.03450.25781660.18454203X-RAY DIFFRACTION99
3.0345-3.82230.20991240.14254256X-RAY DIFFRACTION99
3.8223-34.92270.18681520.1374308X-RAY DIFFRACTION100

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