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- PDB-6fbn: Human Methionine Adenosyltransferase II mutant (Q113A) -

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Basic information

Entry
Database: PDB / ID: 6fbn
TitleHuman Methionine Adenosyltransferase II mutant (Q113A)
ComponentsS-adenosylmethionine synthase isoform type-2
KeywordsTRANSFERASE
Function / homology
Function and homology information


methionine adenosyltransferase complex / methionine adenosyltransferase / methionine adenosyltransferase activity / S-adenosylmethionine biosynthetic process / protein heterooligomerization / Methylation / cellular response to methionine / protein hexamerization / small molecule binding / one-carbon metabolic process ...methionine adenosyltransferase complex / methionine adenosyltransferase / methionine adenosyltransferase activity / S-adenosylmethionine biosynthetic process / protein heterooligomerization / Methylation / cellular response to methionine / protein hexamerization / small molecule binding / one-carbon metabolic process / positive regulation of TORC1 signaling / cellular response to leukemia inhibitory factor / ATP binding / metal ion binding / identical protein binding / cytosol
Similarity search - Function
GMP Synthetase; Chain A, domain 3 - #10 / S-adenosylmethionine synthetase / S-adenosylmethionine synthetase, N-terminal / S-adenosylmethionine synthetase, central domain / S-adenosylmethionine synthetase, C-terminal / S-adenosylmethionine synthetase, conserved site / S-adenosylmethionine synthetase superfamily / S-adenosylmethionine synthetase, N-terminal domain / S-adenosylmethionine synthetase, central domain / S-adenosylmethionine synthetase, C-terminal domain ...GMP Synthetase; Chain A, domain 3 - #10 / S-adenosylmethionine synthetase / S-adenosylmethionine synthetase, N-terminal / S-adenosylmethionine synthetase, central domain / S-adenosylmethionine synthetase, C-terminal / S-adenosylmethionine synthetase, conserved site / S-adenosylmethionine synthetase superfamily / S-adenosylmethionine synthetase, N-terminal domain / S-adenosylmethionine synthetase, central domain / S-adenosylmethionine synthetase, C-terminal domain / S-adenosylmethionine synthase signature 1. / S-adenosylmethionine synthase signature 2. / GMP Synthetase; Chain A, domain 3 / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
: / DI(HYDROXYETHYL)ETHER / (DIPHOSPHONO)AMINOPHOSPHONIC ACID / S-ADENOSYLMETHIONINE / S-adenosylmethionine synthase isoform type-2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsPanmanee, J. / Antonyuk, S.V. / Hasnain, S.S.
CitationJournal: Febs J. / Year: 2019
Title: Control and regulation of S-Adenosylmethionine biosynthesis by the regulatory beta subunit and quinolone-based compounds.
Authors: Panmanee, J. / Bradley-Clarke, J. / Mato, J.M. / O'Neill, P.M. / Antonyuk, S.V. / Hasnain, S.S.
History
DepositionDec 19, 2017Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jan 30, 2019Provider: repository / Type: Initial release
Revision 1.1Aug 14, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Jan 17, 2024Group: 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 / pdbx_struct_conn_angle / struct_conn
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_asym_id / _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_asym_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_asym_id / _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_asym_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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: S-adenosylmethionine synthase isoform type-2
B: S-adenosylmethionine synthase isoform type-2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,59314
Polymers87,3272
Non-polymers1,26612
Water1,53185
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7160 Å2
ΔGint-27 kcal/mol
Surface area26900 Å2
MethodPISA
Unit cell
Length a, b, c (Å)63.634, 103.934, 109.787
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP22121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein S-adenosylmethionine synthase isoform type-2 / AdoMet synthase 2 / Methionine adenosyltransferase 2 / MAT 2 / Methionine adenosyltransferase II / MAT-II


Mass: 43663.570 Da / Num. of mol.: 2 / Mutation: Q113A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MAT2A, AMS2, MATA2 / Plasmid: pNIC28-Bsa4 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P31153, methionine adenosyltransferase

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Non-polymers , 7 types, 97 molecules

#2: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H10O3
#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C2H6O2
#4: Chemical ChemComp-SAM / S-ADENOSYLMETHIONINE


Mass: 398.437 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H22N6O5S / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-PPK / (DIPHOSPHONO)AMINOPHOSPHONIC ACID


Mass: 256.970 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: H6NO9P3 / Feature type: SUBJECT OF INVESTIGATION
#6: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#7: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: K / Feature type: SUBJECT OF INVESTIGATION
#8: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 85 / 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: 2.22 Å3/Da / Density % sol: 44.64 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7 / Details: 30% PEG600 0.1M HEPES pH7.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.9282 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Jul 25, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9282 Å / Relative weight: 1
ReflectionResolution: 2.7→103.93 Å / Num. obs: 20580 / % possible obs: 99.7 % / Redundancy: 5.6 % / Biso Wilson estimate: 44.9 Å2 / CC1/2: 0.994 / Rmerge(I) obs: 0.143 / Rpim(I) all: 0.096 / Rrim(I) all: 0.173 / Net I/σ(I): 10.6
Reflection shellResolution: 2.7→2.83 Å / Redundancy: 5.9 % / Rmerge(I) obs: 0.776 / Mean I/σ(I) obs: 2.1 / Num. unique obs: 2705 / CC1/2: 0.698 / Rpim(I) all: 0.942 / Rrim(I) all: 0.937 / Χ2: 43.844 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0189refinement
iMOSFLMdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5A1I

5a1i


Resolution: 2.7→103.93 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.949 / SU B: 12.684 / SU ML: 0.236 / Cross valid method: THROUGHOUT / ESU R Free: 0.286 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.19022 966 4.7 %RANDOM
Rwork0.17887 ---
obs0.1794 19576 99.5 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 45.82 Å2
Baniso -1Baniso -2Baniso -3
1-4.51 Å20 Å20 Å2
2---2.76 Å20 Å2
3----1.75 Å2
Refinement stepCycle: 1 / Resolution: 2.7→103.93 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5711 0 77 85 5873
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0195894
X-RAY DIFFRACTIONr_bond_other_d0.0020.025505
X-RAY DIFFRACTIONr_angle_refined_deg1.5481.9727976
X-RAY DIFFRACTIONr_angle_other_deg1.073312745
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.585737
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.95323.953253
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.36515983
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.6151536
X-RAY DIFFRACTIONr_chiral_restr0.0860.2891
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0216539
X-RAY DIFFRACTIONr_gen_planes_other0.0020.021172
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.0694.5672963
X-RAY DIFFRACTIONr_mcbond_other2.0694.5672963
X-RAY DIFFRACTIONr_mcangle_it3.3566.8383695
X-RAY DIFFRACTIONr_mcangle_other3.3556.8383696
X-RAY DIFFRACTIONr_scbond_it2.1884.8272931
X-RAY DIFFRACTIONr_scbond_other2.1854.8282931
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other3.5637.1444282
X-RAY DIFFRACTIONr_long_range_B_refined6.53886.35324153
X-RAY DIFFRACTIONr_long_range_B_other6.53886.35324154
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.7→2.77 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.301 71 -
Rwork0.279 1429 -
obs--99.93 %

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