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- PDB-1syg: ENGINEERING ALTERNATIVE BETA-TURN TYPES IN STAPHYLOCOCCAL NUCLEASE -

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Basic information

Entry
Database: PDB / ID: 1syg
TitleENGINEERING ALTERNATIVE BETA-TURN TYPES IN STAPHYLOCOCCAL NUCLEASE
ComponentsSTAPHYLOCOCCAL NUCLEASEMicrococcal nuclease
KeywordsHYDROLASE(PHOSPHORIC DIESTER)
Function / homology
Function and homology information


endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters / micrococcal nuclease / nucleic acid binding / extracellular region / membrane / metal ion binding
Similarity search - Function
Thermonuclease family signature 1. / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #90 / Thermonuclease active site / Thermonuclease family signature 2. / Staphylococcal nuclease (SNase-like), OB-fold / Staphylococcal nuclease homologue / Thermonuclease domain profile. / Staphylococcal nuclease homologues / SNase-like, OB-fold superfamily / OB fold (Dihydrolipoamide Acetyltransferase, E2P) ...Thermonuclease family signature 1. / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #90 / Thermonuclease active site / Thermonuclease family signature 2. / Staphylococcal nuclease (SNase-like), OB-fold / Staphylococcal nuclease homologue / Thermonuclease domain profile. / Staphylococcal nuclease homologues / SNase-like, OB-fold superfamily / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Biological speciesStaphylococcus aureus (bacteria)
MethodX-RAY DIFFRACTION / Resolution: 1.9 Å
AuthorsHynes, T.R. / Hodel, A. / Fox, R.O.
Citation
Journal: Biochemistry / Year: 1994
Title: Engineering alternative beta-turn types in staphylococcal nuclease.
Authors: Hynes, T.R. / Hodel, A. / Fox, R.O.
#1: Journal: Proteins / Year: 1991
Title: The Crystal Structure of Staphylococcal Nuclease Refined at 1.7 Angstroms Resolution
Authors: Hynes, T.R. / Fox, R.O.
#2: Journal: Nature / Year: 1989
Title: Transfer of a Beta-Turn Structure to a New Protein Context
Authors: Hynes, T.R. / Kautz, R.A. / Goodman, M.A. / Gill, J.F. / Fox, R.O.
History
DepositionJan 7, 1994Processing site: BNL
Revision 1.0Jul 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Feb 14, 2024Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: STAPHYLOCOCCAL NUCLEASE


Theoretical massNumber of molelcules
Total (without water)16,8171
Polymers16,8171
Non-polymers00
Water91951
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)48.400, 48.400, 63.400
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number76
Space group name H-MP41

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Components

#1: Protein STAPHYLOCOCCAL NUCLEASE / Micrococcal nuclease


Mass: 16817.293 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Staphylococcus aureus (bacteria) / References: UniProt: P00644, micrococcal nuclease
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 51 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.21 Å3/Da / Density % sol: 44.27 %
Crystal grow
*PLUS
Temperature: 5 ℃ / pH: 8.15 / Method: unknown
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110.5 mMpotassium phosphate1drop
22 mg/mLprotein1drop
325 %MPD1reservoir

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Data collection

Reflection
*PLUS
Highest resolution: 1.9 Å / Lowest resolution: 6 Å / Num. obs: 10281 / % possible obs: 99 % / Num. measured all: 87597 / Rmerge(I) obs: 0.07

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementRfactor Rwork: 0.194 / Rfactor obs: 0.194 / Highest resolution: 1.9 Å
Refinement stepCycle: LAST / Highest resolution: 1.9 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1089 0 0 51 1140
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.006
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.586
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.194 / Rfactor Rwork: 0.194
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_angle_d / Dev ideal: 1.586

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