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- PDB-1gm8: Crystal structures of penicillin acylase enzyme-substrate complex... -

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Basic information

Entry
Database: PDB / ID: 1gm8
TitleCrystal structures of penicillin acylase enzyme-substrate complexes: Structural insights into the catalytic mechanism
Components
  • PENICILLIN G ACYLASE ALPHA SUBUNIT
  • PENICILLIN G ACYLASE BETA SUBUNIT
KeywordsHYDROLASE / ANTIBIOTIC RESISTANCE
Function / homology
Function and homology information


penicillin amidase activity / penicillin amidase / antibiotic biosynthetic process / periplasmic space / response to antibiotic / metal ion binding
Similarity search - Function
Helix Hairpins - #150 / Penicillin G acylase, C-terminal / Penicillin Amidohydrolase, domain 1 / Penicillin Amidohydrolase; domain 1 / Penicillin amidase (Acylase) alpha subunit, N-terminal domain / Aminohydrolase, alpha-helical knob region / Penicillin/GL-7-ACA/AHL acylase / Penicillin G acylase, beta-roll domain / Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region / Penicillin/GL-7-ACA/AHL/aculeacin-A acylase ...Helix Hairpins - #150 / Penicillin G acylase, C-terminal / Penicillin Amidohydrolase, domain 1 / Penicillin Amidohydrolase; domain 1 / Penicillin amidase (Acylase) alpha subunit, N-terminal domain / Aminohydrolase, alpha-helical knob region / Penicillin/GL-7-ACA/AHL acylase / Penicillin G acylase, beta-roll domain / Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region / Penicillin/GL-7-ACA/AHL/aculeacin-A acylase / Penicillin amidase type, domain 1 / Penicillin amidase type, N-terminal domain, B-knob / Penicillin amidase type, A-knob / Penicillin amidase / Aminohydrolase, N-terminal nucleophile (Ntn) domain / Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 / Nucleophile aminohydrolases, N-terminal / 4-Layer Sandwich / Helix Hairpins / Roll / Orthogonal Bundle / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Chem-SOX / Penicillin G acylase
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2 Å
AuthorsMcVey, C.E. / Walsh, M.A. / Dodson, G.G. / Wilson, K.S. / Brannigan, J.A.
Citation
Journal: J.Mol.Biol. / Year: 2001
Title: Crystal Structures of Penicillin Acylase Enzyme- Substrate Complexes: Structural Insights Into the Catalytic Mechanism
Authors: Mcvey, C.E. / Walsh, M.A. / Dodson, G.G. / Wilson, K.S. / Brannigan, J.A.
#1: Journal: Protein Eng. / Year: 1990
Title: Expression, Purification and Crystallisation of Penicillin G Acylase from Escherichia Coli Atcc 11105
Authors: Hunt, P.D. / Tolley, S.P. / Ward, R.J. / Hill, C.P. / Dodson, G.G.
#2: Journal: Nature / Year: 1995
Title: Penicillin Acylase Has a Single-Amino-Acid Catalytic Centre
Authors: Duggleby, H.J. / Tolley, S.P. / Hill, C.P. / Dodson, E.J. / Dodson, G. / Moody, P.C.E.
History
DepositionSep 11, 2001Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 28, 2001Provider: repository / Type: Initial release
Revision 1.1Feb 19, 2014Group: Database references / Derived calculations ...Database references / Derived calculations / Non-polymer description / Other / Version format compliance
Revision 1.2Dec 7, 2016Group: Database references
Revision 1.3Jul 24, 2019Group: Advisory / Data collection / Category: diffrn_source / pdbx_unobs_or_zero_occ_residues / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.4May 8, 2024Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Other / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / entity / pdbx_database_status / pdbx_entity_nonpoly / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_residues / struct_conn / struct_site
Item: _chem_comp.name / _database_2.pdbx_DOI ..._chem_comp.name / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity.pdbx_description / _pdbx_database_status.status_code_sf / _pdbx_entity_nonpoly.name / _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 / _struct_conn.ptnr2_label_seq_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: PENICILLIN G ACYLASE ALPHA SUBUNIT
B: PENICILLIN G ACYLASE BETA SUBUNIT
hetero molecules


Theoretical massNumber of molelcules
Total (without water)86,6184
Polymers86,2252
Non-polymers3922
Water11,602644
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area16280 Å2
ΔGint-125.3 kcal/mol
Surface area34360 Å2
MethodPQS
Unit cell
Length a, b, c (Å)51.200, 131.200, 63.900
Angle α, β, γ (deg.)90.00, 105.80, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein PENICILLIN G ACYLASE ALPHA SUBUNIT / NTN / PENICILLIN AMIDOHYDROLASE


Mass: 23838.824 Da / Num. of mol.: 1 / Fragment: RESIDUES 27-235
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Cellular location: PERIPLASM / Gene: PAC / Plasmid: PACYC184PAC / Cellular location (production host): PERIPLASM / Gene (production host): PAC / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P06875, penicillin amidase
#2: Protein PENICILLIN G ACYLASE BETA SUBUNIT / NTN / PENICILLIN AMIDOHYDROLASE


Mass: 62386.473 Da / Num. of mol.: 1 / Fragment: RESIDUES 290-846 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Cellular location: PERIPLASM / Gene: PAC / Plasmid: PACYC184PAC / Cellular location (production host): PERIPLASM / Gene (production host): PAC / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P06875, penicillin amidase
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-SOX / N-[(2S,4S,6R)-2-(DIHYDROXYMETHYL)-4-HYDROXY-3,3-DIMETHYL-7-OXO-4LAMBDA~4~-THIA-1-AZABICYCLO[3.2.0]HEPT-6-YL]-2-PHENYLAC ETAMIDE / OXIDISED PENICILLIN G


Mass: 352.405 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C16H20N2O5S
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 644 / 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: 2.4 Å3/Da / Density % sol: 41.8 %
Crystal growpH: 7.5 / Details: pH 7.50

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7B / Wavelength: 0.89
DetectorType: MAR scanner 300 mm plate / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.89 Å / Relative weight: 1
ReflectionResolution: 2→15 Å / Num. obs: 50974 / % possible obs: 93.4 % / Redundancy: 1.9 % / Biso Wilson estimate: 15.9 Å2 / Rmerge(I) obs: 0.086 / Net I/σ(I): 7.2
Reflection shellResolution: 2→2.03 Å / Rmerge(I) obs: 0.321 / Mean I/σ(I) obs: 1.7 / % possible all: 77.8

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Processing

Software
NameClassification
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: OTHER / Resolution: 2→15 Å / SU B: 4.44 / SU ML: 0.12 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.182 / ESU R Free: 0.179
RfactorNum. reflection% reflectionSelection details
Rfree0.234 1540 3 %RANDOM
Rwork0.162 ---
obs-49409 93.4 %-
Displacement parametersBiso mean: 18.2 Å2
Refinement stepCycle: LAST / Resolution: 2→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6074 0 25 644 6743
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.0170.02
X-RAY DIFFRACTIONp_angle_d0.0390.04
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d0.0440.05
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it3.0013
X-RAY DIFFRACTIONp_mcangle_it3.4655
X-RAY DIFFRACTIONp_scbond_it6.146
X-RAY DIFFRACTIONp_scangle_it7.21310
X-RAY DIFFRACTIONp_plane_restr0.02750.03
X-RAY DIFFRACTIONp_chiral_restr0.1520.15
X-RAY DIFFRACTIONp_singtor_nbd0.1790.3
X-RAY DIFFRACTIONp_multtor_nbd0.2550.3
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd0.1740.3
X-RAY DIFFRACTIONp_planar_tor4.67
X-RAY DIFFRACTIONp_staggered_tor16.515
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor27.420
X-RAY DIFFRACTIONp_special_tor15

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