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- PDB-1pnm: PENICILLIN ACYLASE HAS A SINGLE-AMINO-ACID CATALYTIC CENTRE -

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Basic information

Entry
Database: PDB / ID: 1pnm
TitlePENICILLIN ACYLASE HAS A SINGLE-AMINO-ACID CATALYTIC CENTRE
Components(PENICILLIN AMIDOHYDROLASEPenicillin amidase) x 2
KeywordsANTIBIOTIC RESISTANCE
Function / homology
Function and homology information


penicillin amidase / penicillin amidase activity / antibiotic biosynthetic process / periplasmic space / response to antibiotic / metal ion binding
Similarity search - Function
Helix Hairpins - #150 / Penicillin G acylase, C-terminal / Penicillin amidase (Acylase) alpha subunit, N-terminal domain / Aminohydrolase, alpha-helical knob region / Penicillin Amidohydrolase, domain 1 / Penicillin Amidohydrolase; domain 1 / Penicillin G acylase, beta-roll domain / Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region / Penicillin/GL-7-ACA/AHL acylase / Penicillin/GL-7-ACA/AHL/aculeacin-A acylase ...Helix Hairpins - #150 / Penicillin G acylase, C-terminal / Penicillin amidase (Acylase) alpha subunit, N-terminal domain / Aminohydrolase, alpha-helical knob region / Penicillin Amidohydrolase, domain 1 / Penicillin Amidohydrolase; domain 1 / Penicillin G acylase, beta-roll domain / Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region / Penicillin/GL-7-ACA/AHL acylase / 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
phenylmethanesulfonic acid / Penicillin G acylase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / Resolution: 2.5 Å
AuthorsDuggleby, H.J. / Moody, P.C.E.
Citation
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.
#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.
History
DepositionMar 16, 1995-
Revision 1.0Mar 16, 1996Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PENICILLIN AMIDOHYDROLASE
B: PENICILLIN AMIDOHYDROLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)86,4814
Polymers86,2682
Non-polymers2122
Water8,449469
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area13770 Å2
ΔGint-94 kcal/mol
Surface area28210 Å2
MethodPISA
Unit cell
Length a, b, c (Å)52.120, 65.080, 76.300
Angle α, β, γ (deg.)100.20, 111.44, 105.81
Int Tables number1
Space group name H-MP1
Atom site foot note1: CIS PROLINE - PRO B 29 / 2: CIS PROLINE - PRO B 366 / 3: CIS PROLINE - PRO B 505

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Components

#1: Protein PENICILLIN AMIDOHYDROLASE / Penicillin amidase


Mass: 23838.824 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PHENYLMETHYL SULPHONYL DERIVATIVE OF SER-B1 / Source: (natural) Escherichia coli (E. coli) / Strain: ATCC 11105 / References: UniProt: P06875, penicillin amidase
#2: Protein PENICILLIN AMIDOHYDROLASE / Penicillin amidase


Mass: 62429.496 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PHENYLMETHYL SULPHONYL DERIVATIVE OF SER-B1 / Source: (natural) Escherichia coli (E. coli) / Strain: ATCC 11105 / 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-PMS / phenylmethanesulfonic acid


Mass: 172.202 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C7H8O3S
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 469 / Source method: isolated from a natural source / Formula: H2O
Compound detailsHET GROUP PMS IS A COVALENT MODIFICATION OF RESIDUE SER B 1. THE PHENYLMETHYL SULPHONYL (PMS) ATOM ...HET GROUP PMS IS A COVALENT MODIFICATION OF RESIDUE SER B 1. THE PHENYLMETHYL SULPHONYL (PMS) ATOM S IS BONDED TO THE PROTEIN VIA ATOM OG OF THE SERINE.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.55 Å3/Da / Density % sol: 51.84 %
Crystal grow
*PLUS
Temperature: 20 ℃ / pH: 7.2 / Method: batch method
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
112 mg/mlprotein11
250 mMMOPS11
310-12 %(w/v)PEG800011

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.5 Å / Num. obs: 21316 / % possible obs: 75.5 % / Num. measured all: 24049 / Rmerge(I) obs: 0.034

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Processing

SoftwareName: PROLSQ / Classification: refinement
RefinementResolution: 2.5→8 Å /
RfactorNum. reflection
Rfree0.222 -
obs0.1629 21315
Refinement stepCycle: LAST / Resolution: 2.5→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5960 0 11 469 6440
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.0130.02
X-RAY DIFFRACTIONp_angle_d0.0440.04
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d0.0440.05
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it1.7192
X-RAY DIFFRACTIONp_mcangle_it2.8393
X-RAY DIFFRACTIONp_scbond_it3.3743
X-RAY DIFFRACTIONp_scangle_it5.1434
X-RAY DIFFRACTIONp_plane_restr0.0140.02
X-RAY DIFFRACTIONp_chiral_restr0.1150.12
X-RAY DIFFRACTIONp_singtor_nbd0.1590.3
X-RAY DIFFRACTIONp_multtor_nbd0.2320.3
X-RAY DIFFRACTIONp_xhyhbond_nbd0.1520.3
X-RAY DIFFRACTIONp_xyhbond_nbd
X-RAY DIFFRACTIONp_planar_tor2.75
X-RAY DIFFRACTIONp_staggered_tor17.49215
X-RAY DIFFRACTIONp_orthonormal_tor25.66420
X-RAY DIFFRACTIONp_transverse_tor
X-RAY DIFFRACTIONp_special_tor
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 32.2 Å2

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