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- PDB-2emk: Solution structure of the C2H2 type zinc finger (region 668-700) ... -

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Entry
Database: PDB / ID: 2emk
TitleSolution structure of the C2H2 type zinc finger (region 668-700) of human Zinc finger protein 28 homolog
ComponentsZinc finger protein 28 homolog
KeywordsTRANSCRIPTION / zf-C2H2 / Structural Genomics / NPPSFA / National Project on Protein Structural and Functional Analyses / RIKEN Structural Genomics/Proteomics Initiative / RSGI
Function / homology
Function and homology information


Generic Transcription Pathway / DNA-binding transcription factor activity, RNA polymerase II-specific / RNA polymerase II cis-regulatory region sequence-specific DNA binding / regulation of transcription by RNA polymerase II / nucleus / metal ion binding
Similarity search - Function
: / C2H2-type zinc finger / Krueppel-associated box (KRAB) profile. / KRAB box / krueppel associated box / Krueppel-associated box / KRAB domain superfamily / Classic Zinc Finger / Zinc finger, C2H2 type / Double Stranded RNA Binding Domain ...: / C2H2-type zinc finger / Krueppel-associated box (KRAB) profile. / KRAB box / krueppel associated box / Krueppel-associated box / KRAB domain superfamily / Classic Zinc Finger / Zinc finger, C2H2 type / Double Stranded RNA Binding Domain / zinc finger / Zinc finger C2H2 type domain profile. / Zinc finger C2H2 superfamily / Zinc finger C2H2 type domain signature. / Zinc finger C2H2-type / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Zinc finger protein 28 homolog
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodSOLUTION NMR / torsion angle dynamics
AuthorsTomizawa, T. / Tochio, N. / Abe, H. / Saito, K. / Li, H. / Sato, M. / Koshiba, S. / Kobayashi, N. / Kigawa, T. / Yokoyama, S. / RIKEN Structural Genomics/Proteomics Initiative (RSGI)
CitationJournal: To be Published
Title: Solution structure of the C2H2 type zinc finger (region 668-700) of human Zinc finger protein 28 homolog
Authors: Tochio, N. / Tomizawa, T. / Abe, H. / Saito, K. / Li, H. / Sato, M. / Koshiba, S. / Kobayashi, N. / Kigawa, T. / Yokoyama, S.
History
DepositionMar 28, 2007Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 2, 2007Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Mar 9, 2022Group: Data collection / Database references / Derived calculations
Category: database_2 / pdbx_nmr_software ...database_2 / pdbx_nmr_software / pdbx_nmr_spectrometer / pdbx_struct_assembly / pdbx_struct_oper_list / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_nmr_software.name / _pdbx_nmr_spectrometer.model / _struct_ref_seq_dif.details
Revision 1.3May 29, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Zinc finger protein 28 homolog
hetero molecules


Theoretical massNumber of molelcules
Total (without water)4,8352
Polymers4,7691
Non-polymers651
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)20 / 100structures with the least restraint violations, target function
RepresentativeModel #1lowest energy

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Components

#1: Protein/peptide Zinc finger protein 28 homolog / Zfp-28 / Krueppel-like zinc finger factor X6


Mass: 4769.163 Da / Num. of mol.: 1 / Fragment: zf-C2H2, UNP residues 668-700
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Description: cell-free protein synthesis / Gene: ZFP28, KIAA1431 / Plasmid: P061225-34 / References: UniProt: Q8NHY6
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1113D 13C-separated NOESY
1213D 15N-separated NOESY

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Sample preparation

DetailsContents: about 1.0mM sample U-15N,13C; 20mM d-Tris-HCl; 100mM NaCl; 0.05mM ZnCl2; 1mM IDA; 1mM d-DTT; 0.02% NaN3; 10% D2O, 90% H2O
Solvent system: 90% H2O/10% D2O
Sample conditionsIonic strength: 120mM / pH: 7 / Pressure: ambient / Temperature: 298 K

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NMR measurement

NMR spectrometerType: Bruker AVANCE / Manufacturer: Bruker / Model: AVANCE / Field strength: 800 MHz

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Processing

NMR software
NameVersionDeveloperClassification
XwinNMR3.5Brukercollection
NMRPipe20030801Delaglio, F.processing
NMRView5.0.4Johnson, B.A.data analysis
KUJIRA0.982Kobayashi, N.data analysis
CYANA2.0.17Guntert, P.structure solution
CYANA2.0.17Guntert, P.refinement
RefinementMethod: torsion angle dynamics / Software ordinal: 1
NMR representativeSelection criteria: lowest energy
NMR ensembleConformer selection criteria: structures with the least restraint violations, target function
Conformers calculated total number: 100 / Conformers submitted total number: 20

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