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- PDB-1hb1: ISOPENICILLIN N SYNTHASE FROM ASPERGILLUS NIDULANS (ANAEROBIC ACO... -

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Basic information

Entry
Database: PDB / ID: 1hb1
TitleISOPENICILLIN N SYNTHASE FROM ASPERGILLUS NIDULANS (ANAEROBIC ACOV FE COMPLEX)
ComponentsISOPENICILLIN N SYNTHASE
KeywordsANTIBIOTIC BIOSYNTHESIS / B-LACTAM ANTIBIOTIC / OXYGENASE / PENICILLIN BIOSYNTHESIS
Function / homology
Function and homology information


isopenicillin-N synthase / isopenicillin-N synthase activity / penicillin biosynthetic process / L-ascorbic acid binding / iron ion binding / cytosol
Similarity search - Function
Isopenicillin N synthase signature 1. / Isopenicillin N synthase, conserved site / Isopenicillin N synthase signature 2. / B-lactam Antibiotic, Isopenicillin N Synthase; Chain / Non-haem dioxygenase N-terminal domain / non-haem dioxygenase in morphine synthesis N-terminal / Isopenicillin N synthase-like, Fe(2+) 2OG dioxygenase domain / 2OG-Fe(II) oxygenase superfamily / Isopenicillin N synthase-like superfamily / Oxoglutarate/iron-dependent dioxygenase ...Isopenicillin N synthase signature 1. / Isopenicillin N synthase, conserved site / Isopenicillin N synthase signature 2. / B-lactam Antibiotic, Isopenicillin N Synthase; Chain / Non-haem dioxygenase N-terminal domain / non-haem dioxygenase in morphine synthesis N-terminal / Isopenicillin N synthase-like, Fe(2+) 2OG dioxygenase domain / 2OG-Fe(II) oxygenase superfamily / Isopenicillin N synthase-like superfamily / Oxoglutarate/iron-dependent dioxygenase / Fe(2+) 2-oxoglutarate dioxygenase domain profile. / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
: / Chem-OCV / Isopenicillin N synthase
Similarity search - Component
Biological speciesEmericella nidulans (mold)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.55 Å
AuthorsOgle, J.M. / Clifton, I.J. / Rutledge, P.J. / Elkins, J.M. / Burzlaff, N.I. / Adlington, R.M. / Roach, P.L. / Baldwin, J.E.
Citation
Journal: Chem.Biol. / Year: 2001
Title: Alternative Oxidation by Isopenicillin N Synthase Observed by X-Ray Diffraction.
Authors: Ogle, J.M. / Clifton, I.J. / Rutledge, P.J. / Elkins, J.M. / Burzlaff, N.I. / M Adlington, R. / Roach, P.L. / Baldwin, J.E.
#1: Journal: Nature / Year: 1999
Title: The Reaction Cycle of Isopenicillin N Synthase Observed by X-Ray Diffraction
Authors: Burzlaff, N.I. / Rutledge, P.J. / Clifton, I.J. / Hensgens, C.M.H. / Pickford, M. / Adlington, R.M. / Roach, P.L. / Baldwin, J.E.
#2: Journal: Nature / Year: 1997
Title: Structure of Isopenicillin N Synthase Complexed with Substrate and the Mechanism of Penicillin Formation
Authors: Roach, P.L. / Clifton, I.J. / Hensgens, C.M. / Shibata, N. / Schofield, C.J. / Hajdu, J. / Baldwin, J.E.
#3: Journal: Nature / Year: 1995
Title: Crystal Structure of Isopenicillin N Synthase is the First from a New Structural Family of Enzymes
Authors: Roach, P.L. / Clifton, I.J. / Fulop, V. / Harlos, K. / Barton, G.J. / Hajdu, J. / Andersson, I. / Schofield, C.J. / Baldwin, J.E.
History
DepositionApr 11, 2001Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 23, 2001Provider: repository / Type: Initial release
Revision 1.1May 7, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 5, 2017Group: Refinement description / Category: software
Revision 1.4Oct 24, 2018Group: Data collection / Source and taxonomy / Category: entity_src_gen / Item: _entity_src_gen.gene_src_strain
Revision 1.5Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / 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_database_status.status_code_sf / _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.pdbx_dist_value / _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
Revision 1.6May 8, 2024Group: Source and taxonomy / Category: entity_src_gen
Item: _entity_src_gen.gene_src_common_name / _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id / _entity_src_gen.pdbx_gene_src_scientific_name
Remark 650 HELIX DETERMINATION METHOD: AUTHOR PROVIDED.
Remark 700 SHEET DETERMINATION METHOD: AUTHOR PROVIDED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: ISOPENICILLIN N SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)38,0804
Polymers37,5641
Non-polymers5163
Water5,188288
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)46.750, 71.121, 100.927
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein ISOPENICILLIN N SYNTHASE


Mass: 37563.836 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (mold)
Gene: PCB C / Plasmid: PJB703 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): NM554 / References: UniProt: P05326
#2: Chemical ChemComp-OCV / N6-[(1R)-2-{[(1R)-1-CARBOXY-2-METHYLPROPYL]OXY}-1-(MERCAPTOMETHYL)-2-OXOETHYL]-6-OXO-D-LYSINE / L-D-(A-AMINOADIPOYL)-L-CYSTEINE D-A-HYDROXYISOVALERYL ESTER


Mass: 364.415 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H24N2O7S
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-FE2 / FE (II) ION


Mass: 55.845 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 288 / 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: 2.26 Å3/Da / Density % sol: 45 %
Crystal growpH: 7.5
Details: 1.8M LITHIUM SULPHATE, 100MM TRIS/HCL (PH8.5), (5MM FERROUS SULPHATE, 70 MM ACOV, 50MG/ML IPNS), pH 7.50
Crystal grow
*PLUS
Temperature: 17 ℃ / pH: 8.5 / Method: vapor diffusion, hanging drop / Details: Roach, P.L., (1996) Eur. J. Biochem., 242, 736.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
11.8 Mlithium sulfate1reservoir
2100 mMTris-HCl1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-3 / Wavelength: 0.935
DetectorType: MARRESEARCH / Detector: CCD / Date: Dec 12, 1998 / Details: TOROIDAL MIRROR
RadiationMonochromator: DIAMOND / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.935 Å / Relative weight: 1
ReflectionResolution: 1.55→58.136 Å / Num. obs: 44289 / % possible obs: 89.8 % / Redundancy: 4 % / Biso Wilson estimate: 11.416 Å2 / Rmerge(I) obs: 0.076 / Net I/σ(I): 6.8
Reflection shellResolution: 1.55→1.63 Å / Redundancy: 3.4 % / Rmerge(I) obs: 0.333 / Mean I/σ(I) obs: 2.2 / % possible all: 81.6
Reflection
*PLUS
Lowest resolution: 70.71 Å / Num. obs: 44320 / Num. measured all: 176037
Reflection shell
*PLUS
% possible obs: 81.6 % / Num. unique obs: 5756 / Num. measured obs: 19544

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Processing

Software
NameClassification
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1QJE

1qje


Resolution: 1.55→25 Å / SU B: 1.548 / SU ML: 0.056 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.093 / ESU R Free: 0.088
Details: RESIDUES WHOSE SIDE-CHAINS WERE NOT VISIBLE IN THE ELECTRON DENSITY WERE MODELLED AS ALANINE. THIS AFFECTS RESIDUES: 5 AND 6
RfactorNum. reflection% reflectionSelection details
Rfree0.204 1743 4 %RANDOM
Rwork0.184 ---
obs-42532 89.3 %-
Displacement parametersBiso mean: 12.824 Å2
Refinement stepCycle: LAST / Resolution: 1.55→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2634 0 30 288 2952
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.0080.02
X-RAY DIFFRACTIONp_angle_d0.0240.04
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it0.9822
X-RAY DIFFRACTIONp_mcangle_it1.433
X-RAY DIFFRACTIONp_scbond_it1.5342
X-RAY DIFFRACTIONp_scangle_it2.3293
X-RAY DIFFRACTIONp_plane_restr
X-RAY DIFFRACTIONp_chiral_restr
X-RAY DIFFRACTIONp_singtor_nbd
X-RAY DIFFRACTIONp_multtor_nbd
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd
X-RAY DIFFRACTIONp_planar_tor
X-RAY DIFFRACTIONp_staggered_tor
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor
X-RAY DIFFRACTIONp_special_tor
Software
*PLUS
Name: REFMAC / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.183 / Rfactor Rfree: 0.198
Solvent computation
*PLUS
Displacement parameters
*PLUS

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