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- PDB-9sm8: Zuzalysin zymogen pentamer E439A -

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Basic information

Entry
Database: PDB / ID: 9sm8
TitleZuzalysin zymogen pentamer E439A
ComponentsZinc-dependent metalloprotease
KeywordsHYDROLASE / metallopeptidase / pentamer / zymogen / prophyromonas gingivalis
Function / homology
Function and homology information


metallopeptidase activity
Similarity search - Function
EcxA, zinc-binding / Domain of unknown function DUF5117 / Domain of unknown function DUF5118 / Bacterial MMP-like domain / Domain of unknown function (DUF5117) / Domain of unknown function (DUF5118) / Met-zincin / Metallopeptidase, catalytic domain superfamily
Similarity search - Domain/homology
Zinc-dependent metalloprotease
Similarity search - Component
Biological speciesPorphyromonas gingivalis (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.59 Å
AuthorsRodriguez-Banqueri, A. / Madej, M. / Eckhard, U. / Potempa, J. / Gomis Ruth, F.X.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Structure of Zuzalysin zymogen pentamer E439A at 3.59 Angstroms resolution
Authors: Rodriguez-Banqueri, A. / Madej, M. / Eckhard, U. / Potempa, J. / Gomis-Ruth, F.X.
History
DepositionSep 5, 2025Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 16, 2026Provider: repository / Type: Initial release
Revision 1.0Sep 16, 2026Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Zinc-dependent metalloprotease
B: Zinc-dependent metalloprotease
C: Zinc-dependent metalloprotease
D: Zinc-dependent metalloprotease
E: Zinc-dependent metalloprotease
hetero molecules


Theoretical massNumber of molelcules
Total (without water)486,04415
Polymers485,5175
Non-polymers52710
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails (eV)
d_1ens_1chain "A"
d_2ens_1chain "B"
d_3ens_1chain "C"
d_4ens_1chain "D"
d_5ens_1chain "E"

NCS domain segments:

Ens-ID: ens_1

Dom-IDComponent-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
d_11GLNGLNHISHISAA43 - 90130 - 847
d_12CACACACAAF1001
d_21GLNGLNHISHISBB43 - 90130 - 847
d_22CACACACABH1001
d_31GLNGLNHISHISCC43 - 90130 - 847
d_32CACACACACJ1001
d_41GLNGLNHISHISDD43 - 90130 - 847
d_42CACACACADL1001
d_51GLNGLNHISHISEE43 - 90130 - 847
d_52CACACACAEN1001

NCS oper:
IDCodeMatrixVector
1given(0.308869418577, 0.95109980508, -0.00297372555933), (-0.951104452435, 0.308868083152, -0.000909817888489), (5.31612969278E-5, 0.00310933854202, 0.999995164582)-23.8094331656, 152.799788121, -0.317527471203
2given(-0.811421395768, 0.584461276857, -0.000578225814832), (-0.584461046326, -0.811418966177, 0.00213228894696), (0.000777056927682, 0.00206813533827, 0.999997559496)114.303305789, 222.593290507, -0.301252388636
3given(-0.806893818147, -0.590693694004, 0.0018237598136), (0.590696411063, -0.806891619609, 0.0019142000441), (0.00034087061466, 0.00262184455882, 0.999996504863)222.874763152, 112.86182575, -0.309849875778
4given(0.308792080809, -0.95112516544, 0.00289318117704), (0.951128716629, 0.308794441108, 0.00039691986739), (-0.00127091873913, 0.00262922198813, 0.99999573597)152.448452185, -24.1003588861, -0.169078950424

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Components

#1: Protein
Zinc-dependent metalloprotease


Mass: 97103.305 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Porphyromonas gingivalis (bacteria) / Gene: NY149_10785 / Production host: Escherichia coli (E. coli) / References: UniProt: A0AAF0BD41
#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Ca / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Zuzalysin zymogen E439A / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Porphyromonas gingivalis (bacteria)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: OTHER / Accelerating voltage: 200 kV / Illumination mode: OTHER
Electron lensMode: OTHER / Nominal defocus max: 2700 nm / Nominal defocus min: 1700 nm
Image recordingElectron dose: 38.58 e/Å2 / Film or detector model: TFS FALCON 4i (4k x 4k)

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Processing

EM software
IDNameVersionCategory
1cryoSPARCparticle selection
2PHENIX2.0rc1_5617model refinement
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.59 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 212348 / Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 200.09 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.007833585
ELECTRON MICROSCOPYf_angle_d1.707845470
ELECTRON MICROSCOPYf_chiral_restr0.0884920
ELECTRON MICROSCOPYf_plane_restr0.010310025
ELECTRON MICROSCOPYf_dihedral_angle_d3.59224515
Refine LS restraints NCS
Ens-IDDom-IDAsym-IDAuth asym-IDRefine-IDTypeRms dev position (Å)
ens_1d_2AAELECTRON MICROSCOPYNCS constraints2.93953588753E-13
ens_1d_3AAELECTRON MICROSCOPYNCS constraints3.85159991285E-13
ens_1d_4AAELECTRON MICROSCOPYNCS constraints5.31009667405E-13
ens_1d_5AAELECTRON MICROSCOPYNCS constraints6.29663650414E-13

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