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- PDB-326d: CRYSTAL STRUCTURES OF D(CM5CGGGCCM5CGG)-ORTHOGONAL FORM -

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Basic information

Entry
Database: PDB / ID: 326d
TitleCRYSTAL STRUCTURES OF D(CM5CGGGCCM5CGG)-ORTHOGONAL FORM
ComponentsDNA (5'-D(*CP*(5CM)P*GP*GP*GP*CP*CP*(5CM)P*GP*G)-3')
KeywordsDNA / A-DNA / DOUBLE HELIX / MODIFIED
Function / homologySPERMINE / DNA
Function and homology information
MethodX-RAY DIFFRACTION / Resolution: 2.15 Å
AuthorsTippin, D.B. / Sundaralingam, M.
CitationJournal: J.Mol.Biol. / Year: 1997
Title: Nine polymorphic crystal structures of d(CCGGGCCCGG), d(CCGGGCCm5CGG), d(Cm5CGGGCCm5CGG) and d(CCGGGCC(Br)5CGG) in three different conformations: effects of spermine binding and methylation on ...Title: Nine polymorphic crystal structures of d(CCGGGCCCGG), d(CCGGGCCm5CGG), d(Cm5CGGGCCm5CGG) and d(CCGGGCC(Br)5CGG) in three different conformations: effects of spermine binding and methylation on the bending and condensation of A-DNA.
Authors: Tippin, D.B. / Sundaralingam, M.
History
DepositionMar 17, 1997Deposition site: NDB / Processing site: NDB
Revision 1.0May 22, 1997Provider: repository / Type: Initial release
Revision 1.1May 22, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 21, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA (5'-D(*CP*(5CM)P*GP*GP*GP*CP*CP*(5CM)P*GP*G)-3')
B: DNA (5'-D(*CP*(5CM)P*GP*GP*GP*CP*CP*(5CM)P*GP*G)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)6,3523
Polymers6,1502
Non-polymers2021
Water1,74797
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)24.830, 44.720, 47.910
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: DNA chain DNA (5'-D(*CP*(5CM)P*GP*GP*GP*CP*CP*(5CM)P*GP*G)-3')


Mass: 3075.035 Da / Num. of mol.: 2 / Source method: obtained synthetically
#2: Chemical ChemComp-SPM / SPERMINE


Mass: 202.340 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H26N4
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 97 / 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: 2.16 Å3/Da / Density % sol: 43.12 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 7
Details: pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 295.00K
Components of the solutions
IDNameCrystal-IDSol-ID
1WATER11
2NA CACODYLATE11
3LA NITRATE11
4SPERMINE_HCL11
5WATER12
6MPD12
Crystal grow
*PLUS
Temperature: 22 ℃ / pH: 7
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
11 mMDNA1dropsingle stranded
230 mMsodium cacodylate1drop
325 mM1dropLa(NO3)3
41 mMspermine tetrachloride1drop
540 %MPD1reservoir
61

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Data collection

DiffractionMean temperature: 295 K
Diffraction sourceSource: ROTATING ANODE
DetectorType: RIGAKU RAXIS / Detector: IMAGE PLATE / Date: Apr 1, 1995
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionHighest resolution: 2.15 Å / Num. obs: 2184 / % possible obs: 88 % / Observed criterion σ(I): 2 / Rmerge(I) obs: 0.0683 / Net I/σ(I): 13.8
Reflection
*PLUS
Num. all: 2256 / % possible obs: 88 %

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Processing

Software
NameClassification
X-PLORrefinement
MSCdata reduction
RefinementResolution: 2.15→8 Å / σ(F): 1
RfactorNum. reflection
Rfree0.183 -
Rwork0.14 -
obs0.14 2184
Refine Biso
ClassRefine-IDDetailsTreatment
ALL ATOMSX-RAY DIFFRACTIONTRisotropic
ALL WATERSX-RAY DIFFRACTIONTRisotropic
Refinement stepCycle: LAST / Resolution: 2.15→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms0 404 18 97 519
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.02
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_deg1.84
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
Highest resolution: 2.15 Å / Lowest resolution: 8 Å / σ(F): 1 / Rfactor obs: 0.14 / Rfactor Rwork: 0.14
Solvent computation
*PLUS
Displacement parameters
*PLUS

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