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- PDB-1d2h: CRYSTAL STRUCTURE OF R175K MUTANT GLYCINE N-METHYLTRANSFERASE COM... -

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Basic information

Entry
Database: PDB / ID: 1d2h
TitleCRYSTAL STRUCTURE OF R175K MUTANT GLYCINE N-METHYLTRANSFERASE COMPLEXED WITH S-ADENOSYLHOMOCYSTEINE
ComponentsGLYCINE N-METHYLTRANSFERASE
KeywordsTRANSFERASE / METHYLTRANSFERASE
Function / homology
Function and homology information


selenol Se-methyltransferase activity / Glyoxylate metabolism and glycine degradation / glycine N-methyltransferase / glycine N-methyltransferase activity / sarcosine metabolic process / methyltransferase complex / methionine metabolic process / S-adenosylhomocysteine metabolic process / glycine metabolic process / S-adenosylmethionine metabolic process ...selenol Se-methyltransferase activity / Glyoxylate metabolism and glycine degradation / glycine N-methyltransferase / glycine N-methyltransferase activity / sarcosine metabolic process / methyltransferase complex / methionine metabolic process / S-adenosylhomocysteine metabolic process / glycine metabolic process / S-adenosylmethionine metabolic process / S-adenosyl-L-methionine binding / S-adenosylmethionine-dependent methyltransferase activity / folic acid binding / glycine binding / regulation of gluconeogenesis / glycogen metabolic process / one-carbon metabolic process / protein homotetramerization / methylation / identical protein binding / cytosol
Similarity search - Function
Glycine N-methyltransferase; chain A, domain 1 / Glycine N-methyltransferase, chain A, domain 1 / Glycine/Sarcosine N-methyltransferase / Glycine N-methyltransferase (EC 2.1.1.20 and EC 2.1.1.156) family profile. / Methyltransferase domain 25 / Methyltransferase domain / Vaccinia Virus protein VP39 / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Rossmann fold / 2-Layer Sandwich ...Glycine N-methyltransferase; chain A, domain 1 / Glycine N-methyltransferase, chain A, domain 1 / Glycine/Sarcosine N-methyltransferase / Glycine N-methyltransferase (EC 2.1.1.20 and EC 2.1.1.156) family profile. / Methyltransferase domain 25 / Methyltransferase domain / Vaccinia Virus protein VP39 / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
S-ADENOSYL-L-HOMOCYSTEINE / Glycine N-methyltransferase
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / Resolution: 3 Å
AuthorsHuang, Y. / Komoto, J. / Takusagawa, F. / Konishi, K. / Takata, Y.
CitationJournal: J.Mol.Biol. / Year: 2000
Title: Mechanisms for auto-inhibition and forced product release in glycine N-methyltransferase: crystal structures of wild-type, mutant R175K and S-adenosylhomocysteine-bound R175K enzymes.
Authors: Huang, Y. / Komoto, J. / Konishi, K. / Takata, Y. / Ogawa, H. / Gomi, T. / Fujioka, M. / Takusagawa, F.
History
DepositionOct 11, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 25, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software
Revision 1.4Nov 3, 2021Group: Database references / Derived calculations / Category: database_2 / 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
Revision 1.5Feb 7, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: GLYCINE N-METHYLTRANSFERASE
B: GLYCINE N-METHYLTRANSFERASE
C: GLYCINE N-METHYLTRANSFERASE
D: GLYCINE N-METHYLTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)131,2698
Polymers129,7314
Non-polymers1,5384
Water9,152508
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)77.9, 77.9, 227.1
Angle α, β, γ (deg.)90, 90, 90
Int Tables number78
Space group name H-MP43

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Components

#1: Protein
GLYCINE N-METHYLTRANSFERASE


Mass: 32432.818 Da / Num. of mol.: 4 / Fragment: WHOLE ENZYME / Mutation: R175K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Tissue: LIVER / Production host: Escherichia coli (E. coli) / References: UniProt: P13255, glycine N-methyltransferase
#2: Chemical
ChemComp-SAH / S-ADENOSYL-L-HOMOCYSTEINE


Type: L-peptide linking / Mass: 384.411 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C14H20N6O5S
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 508 / 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: 2.65 Å3/Da / Density % sol: 53.67 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: PEG-4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
15 mMAdoHcy1drop
2100 mMsodium citrate1drop
350 mM1dropNaCl
410 %PEG34001drop
530 mg/mlprotain1drop

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Jul 10, 1999
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 3→10 Å / Num. all: 25574 / Num. obs: 25574 / % possible obs: 92.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.9 % / Biso Wilson estimate: 22 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 7.9
Reflection shellResolution: 3→3.2 Å / Redundancy: 3.5 % / Rmerge(I) obs: 0.19 / % possible all: 91
Reflection
*PLUS
Num. measured all: 99483
Reflection shell
*PLUS
Lowest resolution: 3.1 Å / Mean I/σ(I) obs: 3.11

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
SCALEPACKdata scaling
X-PLORphasing
RefinementResolution: 3→10 Å / σ(F): 0 / σ(I): 0 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.247 2557 -RANDOM
Rwork0.195 ---
all0.195 25574 --
obs0.195 25574 92.5 %-
Refinement stepCycle: LAST / Resolution: 3→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7880 0 104 508 8492
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.005
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d1.23
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Highest resolution: 3 Å / Lowest resolution: 10 Å / σ(F): 0
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_deg1.23
X-RAY DIFFRACTIONx_dihedral_angle_deg29

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