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- PDB-1x8g: Crystal Structure of the Mono-Zinc Carbapenemase CphA from Aeromo... -

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Basic information

Entry
Database: PDB / ID: 1x8g
TitleCrystal Structure of the Mono-Zinc Carbapenemase CphA from Aeromonas Hydrophyla
ComponentsBeta-lactamase
KeywordsHYDROLASE
Function / homology
Function and homology information


antibiotic catabolic process / beta-lactamase activity / beta-lactamase / periplasmic space / response to antibiotic / zinc ion binding
Similarity search - Function
Beta-lactamases class B signature 2. / Beta-lactamases class B signature 1. / Beta-lactamase, class-B, conserved site / : / Metallo-beta-lactamase superfamily / Ribonuclease Z/Hydroxyacylglutathione hydrolase-like / Metallo-beta-lactamase superfamily / Metallo-beta-lactamase; Chain A / Metallo-beta-lactamase / Ribonuclease Z/Hydroxyacylglutathione hydrolase-like ...Beta-lactamases class B signature 2. / Beta-lactamases class B signature 1. / Beta-lactamase, class-B, conserved site / : / Metallo-beta-lactamase superfamily / Ribonuclease Z/Hydroxyacylglutathione hydrolase-like / Metallo-beta-lactamase superfamily / Metallo-beta-lactamase; Chain A / Metallo-beta-lactamase / Ribonuclease Z/Hydroxyacylglutathione hydrolase-like / 4-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
CARBONATE ION / Metallo-beta-lactamase type 2
Similarity search - Component
Biological speciesAeromonas hydrophila (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsGarau, G. / Dideberg, O.
Citation
Journal: J.Mol.Biol. / Year: 2005
Title: A Metallo-beta-lactamase Enzyme in Action: Crystal Structures of the Monozinc Carbapenemase CphA and its Complex with Biapenem
Authors: Garau, G. / Bebrone, C. / Anne, C. / Galleni, M. / Frere, J.M. / Dideberg, O.
#1: Journal: Antimicrob.Agents Chemother. / Year: 2004
Title: Update of the standard numbering scheme for class B beta-lactamases
Authors: Garau, G. / Garcia-Saez, I. / Bebrone, C. / Anne, C. / Mercuri, P. / Galleni, M. / Frere, J.M. / Dideberg, O.
#2: Journal: Embo J. / Year: 1995
Title: The 3-D structure of a zinc metallo-beta-lactamase from Bacillus cereus reveals a new type of protein fold
Authors: Carfi, A. / Pares, S. / Duee, E. / Galleni, M. / Duez, C. / Frere, J.M. / Dideberg, O.
#3: Journal: J.Mol.Biol. / Year: 2003
Title: Three-dimensional structure of FEZ-1, a monomeric subclass B3 metallo-beta-lactamase from Fluoribacter gormanii, in native form and in complex with D-captopril
Authors: Garcia-Saez, I. / Mercuri, P.S. / Papamicael, C. / Kahn, R. / Frere, J.M. / Galleni, M. / Rossolini, G.M. / Dideberg, O.
History
DepositionAug 18, 2004Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Dec 28, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Apr 3, 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 / struct_conn_type / 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.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr2_label_alt_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_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_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_conn_type.id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Dec 25, 2024Group: Advisory / Derived calculations / Structure summary
Category: pdbx_distant_solvent_atoms / pdbx_entry_details ...pdbx_distant_solvent_atoms / pdbx_entry_details / struct_conn / struct_conn_type

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Beta-lactamase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)25,4424
Polymers25,2211
Non-polymers2213
Water3,207178
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)42.628, 101.205, 118.239
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein Beta-lactamase


Mass: 25220.818 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Aeromonas hydrophila (bacteria) / Gene: cphA / Plasmid: PUC20-CPHA / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)(PLYSS) / References: UniProt: P26918, beta-lactamase
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-CO3 / CARBONATE ION


Mass: 60.009 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: CO3
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 178 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationN

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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: 2.5 Å3/Da / Density % sol: 51 %
Crystal growTemperature: 278 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: PEG, AS, pH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 278K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.979469 / Wavelength: 0.979469 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Jun 18, 2003
RadiationMonochromator: SI 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979469 Å / Relative weight: 1
ReflectionResolution: 1.7→58.722 Å / Num. obs: 27567 / % possible obs: 94.7 % / Redundancy: 3.5 % / Rmerge(I) obs: 0.123 / Rsym value: 0.123 / Net I/σ(I): 3.9
Reflection shellResolution: 1.7→1.79 Å / Redundancy: 3 % / Rmerge(I) obs: 0.312 / Mean I/σ(I) obs: 2.8 / Rsym value: 0.312 / % possible all: 94.7

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Processing

Software
NameVersionClassification
MOSFLMdata reduction
SCALAdata scaling
CCP4model building
REFMAC5.1.24refinement
CCP4(SCALA)data scaling
CCP4phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: CphA (N220G mutant)

Resolution: 1.7→25 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.937 / SU B: 1.915 / SU ML: 0.063 / Cross valid method: THROUGHOUT / ESU R: 0.108 / ESU R Free: 0.098 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.20118 1370 5.1 %RANDOM
Rwork0.18306 ---
all0.184 ---
obs0.18401 25532 94.04 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 14.394 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2---0.55 Å20 Å2
3---0.56 Å2
Refinement stepCycle: LAST / Resolution: 1.7→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1758 0 10 178 1946
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0221813
X-RAY DIFFRACTIONr_bond_other_d0.0020.021640
X-RAY DIFFRACTIONr_angle_refined_deg1.6291.9612451
X-RAY DIFFRACTIONr_angle_other_deg0.91433826
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.7335215
X-RAY DIFFRACTIONr_chiral_restr0.1050.2273
X-RAY DIFFRACTIONr_gen_planes_refined0.010.021951
X-RAY DIFFRACTIONr_gen_planes_other0.0130.02355
X-RAY DIFFRACTIONr_nbd_refined0.3850.2403
X-RAY DIFFRACTIONr_nbd_other0.240.21802
X-RAY DIFFRACTIONr_nbtor_other0.0830.2929
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.160.2130
X-RAY DIFFRACTIONr_metal_ion_refined0.0440.22
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1080.22
X-RAY DIFFRACTIONr_symmetry_vdw_other0.3320.239
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1740.215
X-RAY DIFFRACTIONr_mcbond_it0.9071.51111
X-RAY DIFFRACTIONr_mcangle_it1.47821783
X-RAY DIFFRACTIONr_scbond_it2.4833702
X-RAY DIFFRACTIONr_scangle_it4.1144.5668
X-RAY DIFFRACTIONr_sphericity_free8.13321
X-RAY DIFFRACTIONr_sphericity_bonded5.07926
LS refinement shellResolution: 1.7→1.744 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.271 100
Rwork0.237 1700

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