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- PDB-4ybg: Crystal structure of the MAEL domain of Drosophila melanogaster M... -

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Basic information

Entry
Database: PDB / ID: 4ybg
TitleCrystal structure of the MAEL domain of Drosophila melanogaster Maelstrom
ComponentsProtein maelstrom
KeywordsHYDROLASE / Transposons / Endoribonucleases / Gene Silencing / Ribonuclease H-like Fold / Zinc
Function / homology
Function and homology information


oocyte fate commitment / oocyte nucleus localization involved in oocyte dorsal/ventral axis specification / : / pole plasm mRNA localization / oocyte anterior/posterior axis specification / oocyte microtubule cytoskeleton organization / regulation of pole plasm oskar mRNA localization / regulation of miRNA-mediated gene silencing / dorsal appendage formation / piRNA processing ...oocyte fate commitment / oocyte nucleus localization involved in oocyte dorsal/ventral axis specification / : / pole plasm mRNA localization / oocyte anterior/posterior axis specification / oocyte microtubule cytoskeleton organization / regulation of pole plasm oskar mRNA localization / regulation of miRNA-mediated gene silencing / dorsal appendage formation / piRNA processing / microtubule organizing center organization / germ-line stem cell population maintenance / dorsal/ventral axis specification / male meiotic nuclear division / intracellular mRNA localization / miRNA metabolic process / regulatory ncRNA-mediated gene silencing / P granule / oogenesis / cytoskeleton organization / protein localization / spermatogenesis / sequence-specific DNA binding / transcription cis-regulatory region binding / negative regulation of DNA-templated transcription / perinuclear region of cytoplasm / nucleus / cytoplasm
Similarity search - Function
Maelstrom domain / Protein maelstrom / piRNA pathway germ-plasm component / High mobility group box domain superfamily
Similarity search - Domain/homology
ACETATE ION / Protein maelstrom
Similarity search - Component
Biological speciesDrosophila melanogaster (fruit fly)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.602 Å
AuthorsMatsumoto, N. / Ishitani, R. / Nishimasu, H. / Nureki, O.
CitationJournal: Cell Rep / Year: 2015
Title: Crystal Structure and Activity of the Endoribonuclease Domain of the piRNA Pathway Factor Maelstrom
Authors: Matsumoto, N. / Sato, K. / Nishimasu, H. / Namba, Y. / Miyakubi, K. / Dohmae, N. / Ishitani, R. / Siomi, H. / Siomi, M.C. / Nureki, O.
History
DepositionFeb 18, 2015Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Apr 29, 2015Provider: repository / Type: Initial release
Revision 1.1May 6, 2015Group: Database references
Revision 1.2Feb 5, 2020Group: Data collection / Derived calculations / Source and taxonomy
Category: diffrn_source / entity_src_gen / pdbx_struct_oper_list
Item: _diffrn_source.pdbx_synchrotron_site / _entity_src_gen.pdbx_alt_source_flag / _pdbx_struct_oper_list.symmetry_operation
Revision 1.3Mar 20, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Apr 3, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Protein maelstrom
hetero molecules


Theoretical massNumber of molelcules
Total (without water)29,2944
Polymers29,1071
Non-polymers1873
Water1,47782
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area230 Å2
ΔGint-1 kcal/mol
Surface area12010 Å2
MethodPISA
Unit cell
Length a, b, c (Å)71.892, 71.892, 88.389
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Components on special symmetry positions
IDModelComponents
11A-503-

HOH

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Components

#1: Protein Protein maelstrom


Mass: 29107.365 Da / Num. of mol.: 1 / Fragment: UNP residues 84-333 / Mutation: C228S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Drosophila melanogaster (fruit fly) / Gene: mael, CG11254 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / References: UniProt: Q9VNS0
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 82 / 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: 1.96 Å3/Da / Density % sol: 37.27 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / Details: PEG 3350, ammonium acetate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL32XU / Wavelength: 1 Å
DetectorType: RAYONIX MX225HE / Detector: CCD / Date: Nov 27, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.6→50 Å / Num. obs: 31077 / % possible obs: 99.8 % / Redundancy: 14.3 % / Rsym value: 0.09 / Net I/σ(I): 18.7
Reflection shellResolution: 1.6→1.7 Å

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Processing

Software
NameVersionClassification
PHENIX(phenix.refine: 1.9_1692)refinement
XDSdata reduction
SHARPphasing
Cootmodel building
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: The MAEL domain solved by Zn-SAD

Resolution: 1.602→33.353 Å / SU ML: 0.17 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 21.36 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2155 1556 5.01 %
Rwork0.1944 --
obs0.1955 31075 99.84 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.602→33.353 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1893 0 9 82 1984
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0111949
X-RAY DIFFRACTIONf_angle_d1.2892629
X-RAY DIFFRACTIONf_dihedral_angle_d13.508712
X-RAY DIFFRACTIONf_chiral_restr0.056297
X-RAY DIFFRACTIONf_plane_restr0.006331
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.6017-1.65340.29281370.25192605X-RAY DIFFRACTION99
1.6534-1.71250.25571390.22862640X-RAY DIFFRACTION100
1.7125-1.78110.2561400.22072653X-RAY DIFFRACTION100
1.7811-1.86210.23471380.20672622X-RAY DIFFRACTION100
1.8621-1.96030.25151410.19832681X-RAY DIFFRACTION100
1.9603-2.08310.21991390.19872650X-RAY DIFFRACTION100
2.0831-2.24390.21391410.18672673X-RAY DIFFRACTION100
2.2439-2.46960.22131410.20262684X-RAY DIFFRACTION100
2.4696-2.82690.21371430.19812698X-RAY DIFFRACTION100
2.8269-3.56090.20321440.19372751X-RAY DIFFRACTION100
3.5609-33.35990.20011530.17912862X-RAY DIFFRACTION99
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
13.3122-1.03422.80863.5468-1.86175.243-0.15550.29790.2562-0.35060.04560.2469-0.3755-0.13480.09090.2067-0.01540.00110.25030.01690.150316.423429.792115.7455
24.8215-0.48411.66961.4474-0.79172.91-0.14350.17680.09010.0308-0.0467-0.0144-0.18110.32180.09240.1539-0.01520.00530.166-0.00050.138325.122919.606926.0878
34.1849-0.0735-1.16252.2945-0.99032.1812-0.0095-1.02-0.12410.46560.0627-0.37370.1060.9818-0.07940.24330.0151-0.04810.41180.03110.21133.210915.175738.0035
42.9958-1.82560.01723.20320.214.12940.15610.6186-0.1032-0.3646-0.2329-0.13080.20540.3360.08120.19-0.010.06110.27360.00650.158329.372220.18716.5408
54.67170.4344-1.6345.2329-1.03294.6235-0.15020.04170.0827-0.22130.1051-0.3134-0.45660.88670.03140.2372-0.1213-0.02120.32340.00260.147133.033827.663825.0379
64.9628-2.5812.4513.567-1.11493.7506-0.1746-0.01380.12150.00910.21110.4297-0.2914-0.4538-0.03570.18560.01130.01320.1810.0460.178911.861931.078519.5365
75.59731.79763.87434.34712.05257.0901-0.28990.08470.6983-0.30820.01780.6699-0.4531-0.43470.34460.2695-0.00990.06270.2612-0.01290.44013.587132.431925.818
85.9044-2.13671.39592.9242-0.00522.7237-0.0553-0.6023-0.71470.41840.15110.39810.2704-0.1721-0.10250.2619-0.03250.06780.21920.05230.276316.91812.099935.6089
95.2183-0.60420.5694.7076-0.04292.09950.11650.4608-0.633-0.5029-0.00950.97260.1689-0.299-0.11320.2186-0.0382-0.04130.2588-0.02510.34568.86817.12623.0638
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 84 through 117 )
2X-RAY DIFFRACTION2chain 'A' and (resid 118 through 150 )
3X-RAY DIFFRACTION3chain 'A' and (resid 151 through 185 )
4X-RAY DIFFRACTION4chain 'A' and (resid 186 through 212 )
5X-RAY DIFFRACTION5chain 'A' and (resid 213 through 238 )
6X-RAY DIFFRACTION6chain 'A' and (resid 239 through 258 )
7X-RAY DIFFRACTION7chain 'A' and (resid 259 through 277 )
8X-RAY DIFFRACTION8chain 'A' and (resid 278 through 300 )
9X-RAY DIFFRACTION9chain 'A' and (resid 301 through 332 )

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