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- PDB-6hr6: Nitrocefin reacted with catalytic serine (Ser294) of penicillin-b... -

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Basic information

Entry
Database: PDB / ID: 6hr6
TitleNitrocefin reacted with catalytic serine (Ser294) of penicillin-binding protein 3 from Pseudomonas aeruginosa
ComponentsPeptidoglycan D,D-transpeptidase FtsI
KeywordsPENICILLIN-BINDING PROTEIN / penicillin-binding protein peptidoglycan
Function / homology
Function and homology information


peptidoglycan glycosyltransferase activity / serine-type D-Ala-D-Ala carboxypeptidase / FtsZ-dependent cytokinesis / division septum assembly / serine-type D-Ala-D-Ala carboxypeptidase activity / penicillin binding / peptidoglycan biosynthetic process / cell wall organization / regulation of cell shape / proteolysis / plasma membrane
Similarity search - Function
Beta-Lactamase - #330 / Peptidoglycan D,D-transpeptidase FtsI / Penicillin-binding protein, dimerisation domain / Penicillin-binding Protein dimerisation domain / Penicillin-binding protein, dimerisation domain superfamily / Penicillin-binding protein, transpeptidase / Penicillin binding protein transpeptidase domain / Beta-Lactamase / Beta-lactamase / DD-peptidase/beta-lactamase superfamily ...Beta-Lactamase - #330 / Peptidoglycan D,D-transpeptidase FtsI / Penicillin-binding protein, dimerisation domain / Penicillin-binding Protein dimerisation domain / Penicillin-binding protein, dimerisation domain superfamily / Penicillin-binding protein, transpeptidase / Penicillin binding protein transpeptidase domain / Beta-Lactamase / Beta-lactamase / DD-peptidase/beta-lactamase superfamily / Beta-lactamase/transpeptidase-like / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Nitrocefin - open form / Peptidoglycan D,D-transpeptidase FtsI
Similarity search - Component
Biological speciesPseudomonas aeruginosa (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.53 Å
AuthorsBellini, D. / Dowson, C.G.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)grant.MR/P007503/1 United Kingdom
CitationJournal: To Be Published
Title: Nitrocefin acylation of single catalytic serine of penicillin-binding protein 3 from P. aeruginosa
Authors: Bellini, D. / Dowson, C.G.
History
DepositionSep 26, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 23, 2019Provider: repository / Type: Initial release
Revision 2.0Aug 25, 2021Group: Advisory / Atomic model ...Advisory / Atomic model / Author supporting evidence / Data collection / Database references / Derived calculations / Other / Refinement description / Structure summary
Category: atom_site / atom_sites ...atom_site / atom_sites / database_2 / database_PDB_caveat / diffrn / entity / pdbx_audit_support / pdbx_database_related / pdbx_entity_instance_feature / pdbx_entry_details / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_sheet_hbond / pdbx_unobs_or_zero_occ_residues / pdbx_validate_chiral / pdbx_validate_close_contact / pdbx_validate_main_chain_plane / pdbx_validate_peptide_omega / pdbx_validate_polymer_linkage / pdbx_validate_rmsd_angle / pdbx_validate_rmsd_bond / pdbx_validate_symm_contact / pdbx_validate_torsion / refine / refine_hist / refine_ls_restr / refine_ls_shell / reflns / reflns_shell / software / struct_conf / struct_conn / struct_mon_prot_cis / struct_ref / struct_ref_seq / struct_ref_seq_dif / struct_sheet / struct_sheet_order / struct_sheet_range / struct_site / struct_site_gen
Item: _atom_sites.fract_transf_matrix[2][1] / _atom_sites.fract_transf_matrix[3][2] ..._atom_sites.fract_transf_matrix[2][1] / _atom_sites.fract_transf_matrix[3][2] / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _diffrn.pdbx_serial_crystal_experiment / _entity.pdbx_number_of_molecules / _pdbx_audit_support.funding_organization / _pdbx_poly_seq_scheme.auth_mon_id / _pdbx_poly_seq_scheme.auth_seq_num / _pdbx_poly_seq_scheme.pdb_mon_id / _refine.B_iso_max / _refine.B_iso_mean / _refine.B_iso_min / _refine.aniso_B[1][1] / _refine.aniso_B[1][2] / _refine.aniso_B[1][3] / _refine.aniso_B[2][2] / _refine.aniso_B[2][3] / _refine.aniso_B[3][3] / _refine.correlation_coeff_Fo_to_Fc / _refine.correlation_coeff_Fo_to_Fc_free / _refine.details / _refine.ls_R_factor_R_free / _refine.ls_R_factor_R_work / _refine.ls_R_factor_obs / _refine.ls_d_res_low / _refine.ls_number_reflns_R_free / _refine.ls_number_reflns_R_work / _refine.ls_number_reflns_obs / _refine.ls_percent_reflns_R_free / _refine.ls_percent_reflns_obs / _refine.overall_SU_B / _refine.overall_SU_ML / _refine.pdbx_ls_sigma_F / _refine.pdbx_overall_ESU_R / _refine.pdbx_overall_ESU_R_Free / _refine.pdbx_overall_phase_error / _refine.pdbx_solvent_ion_probe_radii / _refine.pdbx_solvent_shrinkage_radii / _refine.pdbx_solvent_vdw_probe_radii / _refine.pdbx_stereochemistry_target_values / _refine.solvent_model_details / _refine_hist.cycle_id / _refine_hist.d_res_low / _refine_hist.number_atoms_solvent / _refine_hist.number_atoms_total / _refine_hist.pdbx_B_iso_mean_ligand / _refine_hist.pdbx_B_iso_mean_solvent / _refine_hist.pdbx_number_atoms_ligand / _refine_hist.pdbx_number_atoms_protein / _refine_hist.pdbx_number_residues_total / _reflns.B_iso_Wilson_estimate / _reflns_shell.number_unique_obs / _software.name / _software.version / _struct_conf.beg_auth_comp_id / _struct_conf.beg_auth_seq_id / _struct_conf.beg_label_comp_id / _struct_conf.beg_label_seq_id / _struct_conf.end_auth_comp_id / _struct_conf.end_auth_seq_id / _struct_conf.end_label_comp_id / _struct_conf.end_label_seq_id / _struct_conf.pdbx_PDB_helix_length / _struct_conn.pdbx_dist_value / _struct_conn.ptnr2_auth_seq_id / _struct_mon_prot_cis.pdbx_omega_angle / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.seq_align_beg
Description: Model orientation/position / Details: Re-orientation of loop 467-473 / Provider: author / Type: Coordinate replacement
Revision 3.0Jul 20, 2022Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Source and taxonomy / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / diffrn_radiation_wavelength / diffrn_source / entity / entity_src_gen / pdbx_nonpoly_scheme / pdbx_struct_assembly / pdbx_struct_assembly_prop / pdbx_validate_chiral / pdbx_validate_close_contact / struct / struct_conn
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.pdbx_synonyms / _diffrn_radiation_wavelength.wavelength / _diffrn_source.pdbx_wavelength_list / _entity.formula_weight / _entity_src_gen.pdbx_gene_src_scientific_name / _pdbx_nonpoly_scheme.auth_seq_num / _pdbx_struct_assembly.details / _pdbx_struct_assembly_prop.value / _struct.title / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag
Description: Chirality error / Provider: author / Type: Coordinate replacement
Revision 3.1Jan 24, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Peptidoglycan D,D-transpeptidase FtsI
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,4072
Polymers57,8731
Non-polymers5351
Water36020
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area0 Å2
ΔGint0 kcal/mol
Surface area23050 Å2
MethodPISA
Unit cell
Length a, b, c (Å)68.680, 83.272, 89.102
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Peptidoglycan D,D-transpeptidase FtsI / Penicillin-binding protein 3 / PBP-3


Mass: 57872.883 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas aeruginosa (bacteria)
Strain: ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1
Gene: ftsI, pbpB, PA4418 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: G3XD46, serine-type D-Ala-D-Ala carboxypeptidase
#2: Chemical ChemComp-NEF / Nitrocefin - open form / (2R)-5-[(E)-2-(2,4-dinitrophenyl)ethenyl]-2-[(1R)-2-oxidanyl-2-oxidanylidene-1-(2-thiophen-2-ylethanoylamino)ethyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid


Mass: 534.519 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H18N4O9S2 / Feature type: SUBJECT OF INVESTIGATION
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 20 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.18 Å3/Da / Density % sol: 43.64 %
Crystal growTemperature: 294 K / Method: vapor diffusion, sitting drop
Details: 25%(w/v) polyethylene glycol 3350, 0.1M Bis-Tris propane, 1%(w/v) protamine sulphate, pH 7.8.

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04 / Wavelength: 0.9795 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Feb 4, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 2.53→53 Å / Num. obs: 17652 / % possible obs: 100 % / Redundancy: 8.5 % / Biso Wilson estimate: 46.48 Å2 / Rrim(I) all: 0.191 / Net I/σ(I): 7.8
Reflection shellResolution: 2.53→2.57 Å / Num. unique obs: 1256 / Rpim(I) all: 0.963

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
DIALSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3OC2

3oc2


Resolution: 2.53→45.54 Å / SU ML: 0.46 / Cross valid method: THROUGHOUT / σ(F): 1.33 / Phase error: 33.28 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.286 814 4.72 %RANDOM
Rwork0.2276 16425 --
obs0.2305 17239 97.82 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 145.05 Å2 / Biso mean: 56.4722 Å2 / Biso min: 20.09 Å2
Refinement stepCycle: final / Resolution: 2.53→45.54 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3758 0 35 20 3813
Biso mean--74.34 37.23 -
Num. residues----492
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 6

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.53-2.690.44041210.35872591271293
2.69-2.90.39271380.32842633277197
2.9-3.190.40431140.29612742285698
3.19-3.650.35781520.242738289099
3.65-4.60.241340.193628102944100
4.6-45.540.20841550.17632911306699

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