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- PDB-4pyl: Humanized rat COMT in complex with sinefungin, Mg2+, and tolcapone -

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Basic information

Entry
Database: PDB / ID: 4pyl
TitleHumanized rat COMT in complex with sinefungin, Mg2+, and tolcapone
ComponentsCatechol O-methyltransferase
KeywordsTRANSFERASE/TRANSFERASE INHIBITOR / METHYLTRANSFERASE / NEUROTRANSMITTER DEGRADATION / ALTERNATIVE INITIATION / CATECHOLAMINE METABOLISM / CELL MEMBRANE / MEMBRANE / METAL-BINDING / PHOSPHOPROTEIN / SIGNAL-ANCHOR / TRANSMEMBRANE ANCHOR / ENZYME MECHANISM / CONFORMATIONAL CHANGE / TRANSFERASE-TRANSFERASE INHIBITOR complex
Function / homology
Function and homology information


Enzymatic degradation of dopamine by COMT / Enzymatic degradation of Dopamine by monoamine oxidase / positive regulation of homocysteine metabolic process / Methylation / norepinephrine secretion / response to dopamine / mastication / catecholamine catabolic process / catechol O-methyltransferase activity / S-adenosylhomocysteine metabolic process ...Enzymatic degradation of dopamine by COMT / Enzymatic degradation of Dopamine by monoamine oxidase / positive regulation of homocysteine metabolic process / Methylation / norepinephrine secretion / response to dopamine / mastication / catecholamine catabolic process / catechol O-methyltransferase activity / S-adenosylhomocysteine metabolic process / catechol O-methyltransferase / developmental process / renal sodium excretion / renal filtration / dopamine secretion / renin secretion into blood stream / negative regulation of dopamine metabolic process / catecholamine metabolic process / renal albumin absorption / artery development / habituation / short-term memory / cerebellar cortex morphogenesis / S-adenosylmethionine metabolic process / response to salt / dopamine catabolic process / cellular response to phosphate starvation / glomerulus development / norepinephrine metabolic process / fear response / synaptic transmission, dopaminergic / response to angiotensin / cellular response to cocaine / estrogen metabolic process / cholesterol efflux / response to stress / response to food / exploration behavior / response to temperature stimulus / response to corticosterone / prostaglandin metabolic process / response to pain / glycogen metabolic process / startle response / dopamine metabolic process / detection of temperature stimulus involved in sensory perception of pain / behavioral fear response / multicellular organismal response to stress / response to amphetamine / learning / response to cytokine / kidney development / female pregnancy / negative regulation of smooth muscle cell proliferation / visual learning / multicellular organism growth / response to organic cyclic compound / memory / regulation of blood pressure / response to wounding / cognition / response to toxic substance / response to estrogen / gene expression / cell body / postsynaptic membrane / vesicle / methylation / response to oxidative stress / postsynapse / response to lipopolysaccharide / dendritic spine / learning or memory / response to hypoxia / response to xenobiotic stimulus / axon / glutamatergic synapse / dendrite / magnesium ion binding / membrane / cytosol
Similarity search - Function
Catechol O-methyltransferase, eukaryotic / Class I-like SAM-dependent O-methyltransferase / O-methyltransferase / SAM-dependent O-methyltransferase class I-type profile. / Vaccinia Virus protein VP39 / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
SINEFUNGIN / Tolcapone / Catechol O-methyltransferase
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsEhler, A. / Benz, J. / Schlatter, D. / Rudolph, M.G.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2014
Title: Mapping the conformational space accessible to catechol-O-methyltransferase.
Authors: Ehler, A. / Benz, J. / Schlatter, D. / Rudolph, M.G.
History
DepositionMar 27, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 18, 2014Provider: repository / Type: Initial release
Revision 1.1Aug 27, 2014Group: Database references
Revision 1.2Feb 28, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / 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_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_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: Catechol O-methyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)25,4514
Polymers24,7721
Non-polymers6793
Water72140
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)49.813, 49.813, 167.467
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein Catechol O-methyltransferase


Mass: 24772.400 Da / Num. of mol.: 1 / Fragment: unp residues 53-266 / Mutation: M134I, Y138C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Comt / Production host: Escherichia coli (E. coli) / References: UniProt: P22734, catechol O-methyltransferase
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-SFG / SINEFUNGIN / ADENOSYL-ORNITHINE


Mass: 381.387 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H23N7O5
#4: Chemical ChemComp-TCW / Tolcapone / (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)methanone


Mass: 273.241 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H11NO5 / Comment: medication, inhibitor*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 40 / 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: 2.46 Å3/Da / Density % sol: 49.94 %
Crystal growTemperature: 293 K / pH: 6.5
Details: 25% PEG 3350, 0.1M BisTris/HCl pH 6.5, 0.2M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X10SA / Wavelength: 1
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Feb 1, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.2→42 Å / Num. obs: 12916 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.3 % / Rmerge(I) obs: 0.08937 / Net I/σ(I): 10.1199
Reflection shellResolution: 2.2→2.28 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.48138 / Mean I/σ(I) obs: 1.7746 / % possible all: 97.9

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Processing

Software
NameVersionClassification
PHENIX(phenix.refine: dev_1439)refinement
XDSdata reduction
SADABSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.2→41.776 Å / SU ML: 0.27 / σ(F): 1.34 / Phase error: 27.93 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2424 593 4.6 %
Rwork0.1883 --
obs0.1909 12879 99.36 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.2→41.776 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1677 0 48 40 1765
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0081759
X-RAY DIFFRACTIONf_angle_d1.1562388
X-RAY DIFFRACTIONf_dihedral_angle_d16.89653
X-RAY DIFFRACTIONf_chiral_restr0.039261
X-RAY DIFFRACTIONf_plane_restr0.005303
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.2-2.42140.31221420.27892975X-RAY DIFFRACTION99
2.4214-2.77170.3511330.2563050X-RAY DIFFRACTION99
2.7717-3.49180.30091500.21243043X-RAY DIFFRACTION100
3.4918-41.7830.17491680.14023218X-RAY DIFFRACTION100
Refinement TLS params.Method: refined / Origin x: -17.9549 Å / Origin y: 20.0662 Å / Origin z: 11.8715 Å
111213212223313233
T0.5498 Å2-0.0725 Å20.0792 Å2-0.177 Å2-0.0134 Å2--0.2343 Å2
L2.4459 °20.9492 °2-0.6119 °2-3.7421 °2-0.2806 °2--2.5708 °2
S0.1691 Å °-0.1836 Å °0.0175 Å °1.0214 Å °-0.0722 Å °0.2788 Å °-0.1592 Å °0.0103 Å °-0.0619 Å °
Refinement TLS groupSelection details: chain A

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