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- PDB-3vp4: Crystal structure of human glutaminase in complex with inhibitor 4 -

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Basic information

Entry
Database: PDB / ID: 3vp4
TitleCrystal structure of human glutaminase in complex with inhibitor 4
ComponentsGlutaminase kidney isoform, mitochondrial
KeywordsHYDROLASE/HYDROLASE INHIBITOR / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


glutamine catabolic process / glutamate biosynthetic process / regulation of respiratory gaseous exchange by nervous system process / Glutamate and glutamine metabolism / intracellular glutamate homeostasis / Glutamate Neurotransmitter Release Cycle / glutaminase / glutaminase activity / suckling behavior / TP53 Regulates Metabolic Genes ...glutamine catabolic process / glutamate biosynthetic process / regulation of respiratory gaseous exchange by nervous system process / Glutamate and glutamine metabolism / intracellular glutamate homeostasis / Glutamate Neurotransmitter Release Cycle / glutaminase / glutaminase activity / suckling behavior / TP53 Regulates Metabolic Genes / chemical synaptic transmission / protein homotetramerization / mitochondrial matrix / synapse / mitochondrion / cytosol
Similarity search - Function
Glutaminase, EF-hand domain / EF-hand domain / Glutaminase / Glutaminase / Beta-lactamase / DD-peptidase/beta-lactamase superfamily / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats ...Glutaminase, EF-hand domain / EF-hand domain / Glutaminase / Glutaminase / Beta-lactamase / DD-peptidase/beta-lactamase superfamily / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Beta-lactamase/transpeptidase-like / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
5,5'-butane-1,4-diylbis(1,3,4-thiadiazol-2-amine) / Glutaminase kidney isoform, mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.45 Å
AuthorsThangavelu, K. / Sivaraman, J.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2012
Title: Structural basis for the allosteric inhibitory mechanism of human kidney-type glutaminase (KGA) and its regulation by Raf-Mek-Erk signaling in cancer cell metabolism.
Authors: Thangavelu, K. / Pan, C.Q. / Karlberg, T. / Balaji, G. / Uttamchandani, M. / Suresh, V. / Schuler, H. / Low, B.C. / Sivaraman, J.
History
DepositionFeb 23, 2012Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jun 13, 2012Provider: repository / Type: Initial release
Revision 1.1Jun 27, 2012Group: Structure summary
Revision 1.2Nov 8, 2023Group: 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_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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: Glutaminase kidney isoform, mitochondrial
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,0732
Polymers34,8171
Non-polymers2561
Water1,56787
1
A: Glutaminase kidney isoform, mitochondrial
hetero molecules

A: Glutaminase kidney isoform, mitochondrial
hetero molecules

A: Glutaminase kidney isoform, mitochondrial
hetero molecules

A: Glutaminase kidney isoform, mitochondrial
hetero molecules


Theoretical massNumber of molelcules
Total (without water)140,2928
Polymers139,2674
Non-polymers1,0254
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation8_555-y,-x,-z1
crystal symmetry operation10_555-x,-y,z1
crystal symmetry operation15_555y,x,-z1
Buried area6770 Å2
ΔGint-44 kcal/mol
Surface area44750 Å2
MethodPISA
Unit cell
Length a, b, c (Å)139.555, 139.555, 156.866
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number98
Space group name H-MI4122

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Components

#1: Protein Glutaminase kidney isoform, mitochondrial / GLS / K-glutaminase / L-glutamine amidohydrolase


Mass: 34816.742 Da / Num. of mol.: 1 / Fragment: UNP Residues 221-533
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GLS, GLS1, KIAA0838 / Production host: Escherichia coli (E. coli) / References: UniProt: O94925, glutaminase
#2: Chemical ChemComp-BP9 / 5,5'-butane-1,4-diylbis(1,3,4-thiadiazol-2-amine)


Mass: 256.351 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H12N6S2
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 87 / 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

Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 1.65M Lithium sulfate, 100mM Bis-tris-propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL13B1 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Dec 20, 2010 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.45→50 Å / Num. obs: 28767 / % possible obs: 99.7 %

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
MOLREPphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3CZD

3czd


Resolution: 2.45→30 Å
RfactorNum. reflection
Rfree0.2162 1979
Rwork0.1975 -
all-24730
obs-22751
Refinement stepCycle: LAST / Resolution: 2.45→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2395 0 8 87 2490

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