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- PDB-1e35: PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S, 4S)N-PARA-TOLUENE... -

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Basic information

Entry
Database: PDB / ID: 1.0E+35
TitlePORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S, 4S)N-PARA-TOLUENESULPHONYL -3-ETHYL-4-(CARBOXYLIC ACID)PYRROLIDIN-2-ONE SOAKED IN PH 9 BUFFER FOR TWO MINUTES
ComponentsELASTASE
KeywordsHYDROLASE(SERINE PROTEASE) / SERINE PROTEASE / HYDROLASE / SERINE PROTEINASE
Function / homology
Function and homology information


pancreatic elastase / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding
Similarity search - Function
: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin ...: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin / Trypsin-like serine proteases / Thrombin, subunit H / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Chem-TPX / Chymotrypsin-like elastase family member 1
Similarity search - Component
Biological speciesSUS SCROFA (pig)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsWright, P.A. / Wilmouth, R.C. / Clifton, I.J. / Schofield, C.J.
Citation
Journal: Biochem.J. / Year: 2000
Title: 'Ph-Jump' Crystallographic Analyses of Gamma-Lactam-Porcine Pancreatic Elastase Complexes
Authors: Wright, P.A. / Wilmouth, R.C. / Clifton, I.J. / Schofield, C.J.
#1: Journal: Biochemistry / Year: 1999
Title: Mechanistic Insights Into the Inhibition of Serine Proteases by Monocyclic Lactams
Authors: Wilmouth, R.C. / Kassamally, S. / Westwood, N.J. / Sheppard, R.J. / Claridge, T.D.W. / Aplin, R.T. / Wright, P.A. / Pritchard, G.J. / Schofield, C.J.
#2: Journal: Biochemistry / Year: 1998
Title: Inhibition of Elastase by N-Sulfonylaryl Beta-Lactams: Anatomy of a Stable Acyl-Enzyme Complex
Authors: Wilmouth, R.C. / Westwood, N.J. / Anderson, K. / Brownlee, W. / Claridge, T.D.W. / Clifton, I.J. / Pritchard, G.J. / Aplin, R.T. / Schofield, C.J.
#3: Journal: Nat.Struct.Biol. / Year: 1997
Title: Structure of a Specific Acyl-Enzyme Complex Formed between Beta-Casomorphin-7 and Porcine Pancreatic Elastase
Authors: Wilmouth, R.C. / Clifton, I.J. / Robinson, C.V. / Roach, P.L. / Aplin, R.T. / Westwood, N.J. / Hajdu, J. / Schofield, C.J.
#4: Journal: Acta Crystallogr.,Sect.B / Year: 1988
Title: Structure of Native Porcine Pancreatic Elastase at 1.65 A Resolution
Authors: Meyer, E. / Cole, G. / Radhakrishnan, R. / Epp, O.
History
DepositionJun 6, 2000Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 18, 2000Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 5, 2017Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.4Dec 6, 2023Group: Advisory / Data collection ...Advisory / 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 / pdbx_unobs_or_zero_occ_atoms / struct_conn / 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_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_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.pdbx_leaving_atom_flag / _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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Oct 9, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
B: ELASTASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,3784
Polymers25,9281
Non-polymers4503
Water2,792155
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)50.490, 57.580, 74.550
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 ELASTASE / PPE (PORCINE PANCREATIC ELASTASE)


Mass: 25928.031 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) SUS SCROFA (pig) / Organ: PANCREAS / References: UniProt: P00772, pancreatic elastase
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-TPX / (2S,3S)-3-FORMYL-2-({[(4-METHYLPHENYL)SULFONYL]AMINO}METHYL)PENTANOIC ACID


Mass: 313.369 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H19NO5S
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 155 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsTHE SEQUENCE USED FOR THIS STRUCTURE IS THE SAME AS THAT OF NATIVE PORCINE PANCREATIC ELASTASE (3EST).

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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: 1.84 Å3/Da / Density % sol: 32.5 %
Crystal growpH: 9
Details: 25MM SODIUM SULPHATE, 25MM SODIUM ACETATE, PH 5.0; THEN SOAKED IN 25 MM SODIUM SULPHATE, 50MM SODIUM ACETATE, 20 MG/ML GAMMA-LACTAM, 10% (V/V) DMSO, PH 5.0 FOR 24 HOURS
Crystal grow
*PLUS
pH: 5 / Method: unknown
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
120 mg/mlprotein11
250 mMsodium acetate11
325 mMsodium sulfate11
425 mg/mlPPE11
510 %(v/v)DMSO11

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Feb 15, 1998 / Details: YALE-TYPE MIRRORS
RadiationMonochromator: NICKEL FILTER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.9→18.3 Å / Num. obs: 110101 / % possible obs: 96.7 % / Observed criterion σ(I): 0 / Redundancy: 6.2 % / Biso Wilson estimate: 20.4 Å2 / Rmerge(I) obs: 0.071 / Net I/σ(I): 10.4
Reflection shellResolution: 1.9→1.93 Å / Redundancy: 1.9 % / Rmerge(I) obs: 0.378 / Mean I/σ(I) obs: 2.5 / % possible all: 75.6
Reflection
*PLUS
Num. obs: 17858 / Num. measured all: 110101
Reflection shell
*PLUS
% possible obs: 75.6 %

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Processing

Software
NameClassification
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3EST

3est


Resolution: 1.9→18.3 Å / SU B: 3.48 / SU ML: 0.103 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.179 / ESU R Free: 0.152
Details: SHELX ALSO USED, THE SIDE CHAIN OF RESIDUE ARG61 IS DISORDERED
RfactorNum. reflection% reflectionSelection details
Rfree0.225 704 4 %RANDOM
Rwork0.189 ---
obs-17727 96.7 %-
Displacement parametersBiso mean: 23.5 Å2
Baniso -1Baniso -2Baniso -3
1-4.413 Å2-1.675 Å20 Å2
2--0 Å2-2.713 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.9→18.3 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1816 0 27 155 1998
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.0130.02
X-RAY DIFFRACTIONp_angle_d0.0310.04
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d0.0320.05
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it1.6572
X-RAY DIFFRACTIONp_mcangle_it2.3073
X-RAY DIFFRACTIONp_scbond_it1.9992
X-RAY DIFFRACTIONp_scangle_it2.9823
X-RAY DIFFRACTIONp_plane_restr
X-RAY DIFFRACTIONp_chiral_restr0.1320.15
X-RAY DIFFRACTIONp_singtor_nbd0.1780.3
X-RAY DIFFRACTIONp_multtor_nbd0.250.3
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd0.1630.3
X-RAY DIFFRACTIONp_planar_tor47
X-RAY DIFFRACTIONp_staggered_tor16.515
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor23.220
X-RAY DIFFRACTIONp_special_tor015

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